Lifebreath Thermostat 40DHWDFT User Manual

OPERATION, SIZING AND

INSTALLATION MANUAL

NOW WITH

For Models:

FIVE YEAR WARRANTY

ON PARTS AND ACCESSORIES &

LIFETIME WARRANTY

ON HRV CORE

40DHW(T)

Up Flow Model

60DHW(T)

Up Flow Model

40DHWDF(T)

Down Flow Model

60DHWDF(T)

Down Flow Model

40DHWH(T)

Horizont al Model

60DHWH(T)

Horizont al Model

4TONDHW(T)

High CFM Lower BTUH Out put

40VENTAC

No Heat ing Coil

60VENTAC

No Heat ing Coil

4TONVENTAC

No Heat ing Coil

TO BE COMPLETED BY CONTRACTOR AFTER INSTALLATION

Installing Contractor

Telephone / Contact

Serial Number

Installation Date

Model

* LEAVE FOR HOMEOWNER

NOTE: Due to ongoing research and product development, specifications,

ratings and dimensions are subject to change without notice.

CAF-02

0203

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Int roduct ion

Congratulations on your selection of the LIFEBREATH Clean Air Furnace (CAF). This is a very advanced unit

that combines the outstanding efficiency and economy of the water heater/airhandler concept, plus the

tremendous health benefits of year-round fresh air ventilation in every room of your house.

With the addition of LIFEBREATH Turbulent Flow Precipitator (TFP) Air Cleaner (optional) you will

have the ultimate in comfort and healthy indoor air quality.

You will notice that the heated air in your home feels more comfortable than air heated by a conventional

furnace. One reason for this is that LIFEBREATH's hydronically heated air is uniform and temperate... no short

blasts of hot air or hot and cold temperature spikes. In this regard, the air flowing from your hot air vents will

not feel as hot to the touch as air from a conventional furnace.

With a high efficiency, adequately sized hot water heater/boiler, you will always have plenty of hot water for

showers and baths, washing dishes and clothes, and all other normal domestic hot water needs. If there is

an unusually high demand for hot water, such as filling a large hot tub, than all you need to do is allow more

time for the task so the water heater/boiler can keep up to its job of providing hot water for the heating

system as well as other household uses.

Once it is correctly installed, safety will never be an issue with your LIFEBREATH furnace. No flames, fumes

or flue gases to be concerned about. Your domestic hot water heater/boiler now provides the heat source for

your furnace.

This Operating and Installation Guide will help you learn about your LIFEBREATH Clean Air Furnace quickly

and easily. The table of contents will show you where to find information on every feature of this unit along with

easy to understand operating instructions. If, however, you do encounter a question that is not covered in this

Guide you should call the LIFEBREATH dealer who installed your furnace. Chances are that he will be able

to give you a satisfactory answer but if he is unable to do so then we invite you to contact us directly.

Nutech Energy Systems Inc.

HRV - Aluminum Core

A Heat Recovery Ventilator (HRV) is designed to provide fresh air into a building while exhausting an equal

amount of stale air. During the winter months, the incoming cold fresh air is warmed by utilizing the heat

recovered from the stale air before it is exhausted to the outdoors. During summer months when the indoor

space is air conditioned, the Heat Recovery Ventilator will help in cooling the incoming fresh air with the stale

air that is being exhausted.

ERV - Enthalpic Paper Core

An Energy Recovery Ventilator (ERV) is designed to provide fresh air into a building while exhausting an

equal amount of stale air. An ERV is designed for use in warm humid areas with heavy air conditioning use.

The ERV will transfer both sensible and latent heat from the incoming fresh air to the outgoing stale air thereby

reducing the load (due to ventilation) on the air conditioning system.

ERVs are not suitable for climates where the temperature drops below -4˚C (25˚F).

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Descript ion and Purpose

IMPORTANT NOTE

The purpose of this manual is to act as an installation guide only for the LIFEBREATH

Clean Air Furnace. Manufacturers' instructions for other components, such as the water

heater/boiler, must be followed.

All national and local code requirements must be met when installing a LIFEBREATH

Clean Air Furnace. Be sure to consult the proper authorities.

Note: Temperatures greater than 130 °F (54°C) pose a serious risk of scalding individuals

running domestic hot water for potable use.

This appliance complies with IAS Canada Inc. Requirement CR95-003, Additional

Requirements for Fan Coil Units for use with Potable Water Heaters.

All piping and components connected to this appliance shall be suitable for use with

potable water.

Toxic chemicals, such as used for boiler treatment, shall not be introduced into the

potable water heater system.

When using this system, and water for space heating, is required to be at a higher

temperature than for other uses, an anti-scald valve shall be used to ensure water for

other uses is reduced in temperature to minimize a scald hazard potential.

Combining two or more end uses such as space heating and the heating of domestic hot

water in a single system has the potential to increase efficiency and reduce overall

capital costs. However, the proper design, installation, and commissioning of these

systems is critical if these advantages are to be realized.

This manual provides a guideline of good engineering practice in the design, installation

and commissioning of Integrated Combo Systems. The guidelines in the manual are

designed for residential forced warm air Integrated Combo Systems which utilize

domestic water heaters or boilers and the LIFEBREATH furnace. Heating and cooling

loads shall be calculated in accordance with recognized Residential Heat Loss and Heat

Gain Calculation methods. Duct design shall comply with recognized Residential Air

System Design methods. This manual provides worksheets to be used for the purpose of

sizing residential water heaters and the combo furnace.

The LIFEBREATH Clean Air Furnace is a volume ventilator system and is not intended to

replace a fully ducted Heat Recovery Ventilation (HRV) system. Independent exhaust fans

should be used for bathrooms and kitchen range hoods.

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Combo Syst em Basic Principles

Closed/ Open Combo Syst em

From the aspect of delivery of domestic hot

water and space heating, the Open and Closed

systems operate the same. A system becomes

closed when a backflow prevention valve or

check valve is installed in the cold water piping

upstream of the water heater. A backflow

prevention valve will prevent the pressure created

when water is heated in the water heater, from

being relieved into the cold water system.

Therefore, an expansion tank (or equivalent

device) may be installed as part of any closed

system. The operations of the valve and

expansion tank are discussed later in this

section of this manual.

Note: Water systems that incorporate a pressure

tank (well systems) are normally open systems.

DOMESTIC HOT WATER

COLD WATER INLET

CHECK

VALVE

(shut off)

SUPPLY AIR

COOLING COIL

(OPTIONAL)

ANTI-SCALD VALVE

(WHEN REQUIRED)

SCHEMATIC SYSTEM

DIAGRAM

(Closed Loop System)

EXPANSION TANK

OR OTHER MEANS

(WHEN REQUIRED)

VALVE

(shut off)

RETURN AIR

VALVE

(balancing)

VALVE

(shut off)

CHECK

VALVE

WATER HEATER

HEATING COIL

HRV/ERV CORE

DRAIN

VALVE

BLOWER

DOMESTIC HOT WATER

COLD WATER INLET

VALVE

(shut off)

SCHEMATIC SYSTEM

DIAGRAM

SUPPLY AIR

COOLING COIL

(OPTIONAL)

ANTI-SCALD VALVE

(WHEN REQUIRED)

VALVE

(shut off)

(Open System)

RETURN AIR

VALVE

(balancing)

VALVE

(shut off)

CHECK

VALVE

WATER HEATER

Note:

HEATING COIL

HRV/ERV CORE

Plumbing components and system

configuration may vary from diagram

portrayed. Refer to local codes, local

bylaws and installation manuals

supplied with water heater before

starting any installation work.

DRAIN

VALVE

BLOWER

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Call for Space Heat ing Only

Operat ion

Air Syst em

When the thermostat calls for heat, the

circulation pump is activated and hot water is

drawn from the top of the water heater through

the air handler, and then returned to the water

heater. There should be at least a 20˚F (11˚C)

temperature drop between the hot water

supplied to the air handler and the returning

water temperature. If the temperature drop is

less then 20˚F (11˚C) two things may happen:

A circulation fan draws cool house air at approx.

70˚F (21˚C) from the return ductwork, forces

it through the water coil where it is heated, and

then distributes it to the various rooms of the

house through the supply ductwork.

Wat er Piping

The Piping and fittings used to connect the water

heater and air handler must be sized to handle

the volume of hot water required by the air

handler within the pressure limitations of the

circulation pump. All piping, fittings solders, and

fluxes must be acceptable for use with domestic

hot water.

1. Mixing of warm return water with the hot

water within the water heater (no tank

stratification), which will result in a lower hot

water supply temperature.

2. A water heater thermostat temperature

differential (between on and off) is approximately

18˚F (10˚C). Therefore, if the return water is not

cool enough, it may not activate the water heater

thermostat, which causes the burner to operate.

All of the water in the water heater will be cooled

before the burner begins to operate. This may

cause large swings in the delivered hot water

temperature, causing poor space heating

performance, fluctuating domestic water

temperatures and effectively reducing the supply

of domestic hot water.

Note: Chemicals (such as boiler system additives)

cannot be added to the system because water passing

through the heating loop re-enters the domestic

water systems.

Circulat ion Pump

The circulation pump is factory installed within

the air handler. The water flow rate will vary

depending on the pumps performance and

the head pressure (resistance) of the complete

heating loop system.

Call for Domest ic Hot Wat er and

Space Heat ing Operat ion

When both return water from the space heating

loop and new cold water (replacing domestic

water being used) enters the water heater, the

mixed entering water is cool enough to activate

the thermostat quickly. In this situation, the water

heater must be capable of satisfying the

combined need for hot water (domestic hot water

and space heating) at the same time.

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Manual Valves

There are a number of manual valves required for

the system to operate properly and safely. These

valves are used as shut off valves, drain valves

and throttling valves. They can be globe, gate,

ball or balancing type valves.

malfunction with age. Gate valves tend to be less

expensive than the other type of valves.

The ball valve can be used as a shut off or drain

valve but not a throttling (balancing) valve. When

in the open position, a full bore ball valve has

very little resistance to flow, and these valves

tend to be both the least expensive and the

least susceptible to seizing over time. Do not

use reduced bore ball valves as they are very

restrictive to water flow.

The globe valve can be used as a shut off, drain

or throttling valve. Even in the open position, the

valve is fairly restrictive to flow. It has a much

greater equivalent length (resistance) than the

other types of valves.

The gate valve can be used as a shut off or drain

valve. When in the open position, there is very

little resistance to flow. Gate valves have a

greater susceptibility to chatter (noise) and

The balancing valve can be used as a throttling

valve. It can make small flow changes easily and

has lower resistance than a globe valve. This

valve will be considerable more expensive.

Globe Valve

Balance Valve

Ball Valve

Gate Valve

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Shut Off Valves

There are 3 shut off valves required for an

integrated combo system as follows:

system. The drain valve should be near the low

point of the return piping system upstream of the

shut off valve and is preferred to be near the

water heater.

• One valve (a) on the cold water side of the

water heater upstream of the heating loop

connection. This valve has the ability to

isolate the hot water (domestic and space

heating) from the household cold water

supply. This valve is required on every water

heater whether or not the water heater is

used for space heating.

Thrott ling Valve

The throttling (balancing) valve is used to reduce

the water flow rate and thereby increase the

water temperature drop. This is done to ensure

proper activation of the water heater thermostat.

This valve should be a globe or balancing valve.

• One valve (b) on the hot water supply side

of the heating loop, downstream of its

connection to the domestic water.

Check Valves

• One valve (c) on the return side of the

heating loop upstream of its connection to the

domestic cold water.

A spring loaded check valve is required in the

heating loop to help minimize thermo-siphoning

of hot water throughout the heating loop when

heating is not called for and cold water back

flowing through the heating loop when domestic

hot water is used. The valve will have a water

flow direction arrow marked on it’s exterior

surface and must be installed with that arrow

pointing downstream.

The two valves in the heating loop allow the

heating loop to be isolated for service or repair.

(a)

Supply

(b)

(c)

Return

SHUT OFF VALVES

CHECK VALVE

Drain Valve

A drain valve is required to allow the heating loop

to be drained for service or repair and to remove

air from the heating loop when commissioning a

* Check valves should always be installed in a

vertical rise with the flow of water shown.

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Expansion Tanks

Note: There are a number of pressure balancing

valves and mixing valves on the market which are

not certified as a anti-scalding device.

Expansion tanks are only required for “Closed

Systems”. The expansion tank has an air

bladder, which will contract to relieve pressure in

the system. Pressure is created in the closed

system when water is heated in the water heater.

Expansion tanks should always be connected to

the cold water piping between the water heater

shut off valve and the cold water inlet to the

water heater. Follow manufacturers instructions

for sizing and installation.

Time to Scald

(1st degree burns)

Temperature

120˚F

Time

8 min.

20 sec.

3 sec.

<1 sec.

cold

hot

130˚F

water

140˚F

160˚F

Off Season Circulat ion Cont rols

(Models wit h a ‘T’ in t he model number)

air cushion

EXPANSION TANKS

Ant i-Scald Valve

Although the UCG (Unified Canadian Guideline)

does not require these controls, a few building

codes and municipal by-laws do. They are used

to provide periodic circulation of water through

the space heating loop during the summer and

other periods of infrequent use. The concern is

that water which remains stationary in the

heating loop during the summer may be less

than desirable as domestic hot water when it is

returned to the water heater at system startup

in the fall.

An anti-scald valve is required when the water

heater thermostat is set above 140˚F (60˚C).

Also, an anti-scald valve may be required for all

installations by the “authority

having jurisdiction”.

The valve is placed in the hot water supply

piping from the water heater downstream of the

heating loop connection and upstream of any

domestic hot water connection.

Thermost at s

The purpose of the valve is to limit the maximum

temperature available for domestic hot water by

mixing hot water from the water heater with cold

water from the municipal supply.

There are two thermostats controlling every

combo system, the water heater thermostat

controlling the hot water temperature and the room

thermostat controlling the room air temperature.

The Anti-Scald valve must be thermostatically

controlled and approved to the ASSE standard No.

1016 and 1017 for use as an anti-scald device.

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Wat er Heat er Thermost at

The hot water inlet temperature is typically 140˚F

(60˚C). If this temperature must be increased

to achieve higher outputs from the furnace

an anti-scald valve must be used to prevent

domestic hot water temperatures above

140˚F (60˚C). The manufacturer of the

Hot Water Tank should be consulted for

temperatures higher than 140˚F.

The water heater thermostat is set by the

installing contractor to provide the required

temperature at the hot water outlet of the water

heater. It is important that a warning label be

place near the water heater thermostat telling

the homeowner not to change the thermostat

setting. The label is included with the furnace.

Hot Wat er Flow Rat e

Room Thermost at

The hot water entering the water coil is the

source of heat to the air handler. The effect of

changing the amount of water entering the coil is

the same as changing the water temperature.

As water flow is reduced, the output of the

air handler and the air temperature rise will

both be lowered.

The room thermostat controls both the water

circulation pump and the air circulation fan. It

should be on a centrally located, inside wall

away from any source of heat such as diffusers,

appliances and direct sunlight.

Energy Saving Room Thermost at

Air Handler Ret urn Air Temperat ure

A set back thermostat or “smart stat” can be

used with a combo system, but care must be

taken in the timing of the temperature changes.

The timing of morning warm up should be early

enough that the desired air temperature has

been reached before the people begin to use

domestic hot water. The highest demand for

space heating is during the morning warm up

and the highest demand for domestic hot water

is during morning showers. Even if the water

heater is properly sized, it may not be able to

meet this combined load. Therefore, large set

backs should be avoided.

The return air temperature entering the air

handler is approx. 60˚F (33˚C) below the

hot water inlet temperature. If the return air

temperature entering the air handler is reduced,

more heat transfer will occur and the output of

the air handler will increase.

Air Handler Air Flow Rat e

The air entering the air handler can only be

warmed by the temperature difference between

the hot water and the cool air. As the volume

(CFM (L/s)) of air is reduced, the amount of heat

which can be transferred is also reduced.

Air Handler Out put Capacit y

There are four factors that will significantly affect

the heating output of the air handler.

They are:

Air Handler Temperat ure Rise

• Hot water supply temperature (EWT)

• Hot water flow rate (GPM)

• Air Handler return air temperature

• Air Handler air flow rate (CFM)

In a fuel fired furnace, the combustion gases

can be 1000˚F (538˚C) above the return air

temperature. These units typically have a

temperature rise from 50˚F (10˚C) to 90˚F (32˚C)

and therefore delivers air at the diffuser at 120˚F

(49˚C) to 160˚F (71˚C).

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With an Integrated Combo System, the hot water

temperature is approx. 130˚F (54˚C) which is

60˚F (15.5˚C) above the return air temperature.

These units typically have a temperature rise of

35˚F (2˚C) to 40˚F (4˚C) and therefore would

deliver air at the diffuser at approximately 105˚F

(40.5˚C) to 110˚F (43˚C).

Note: The vertical height of the heating loop does

not impact on the head pressure as the pressure

required to push the water up the vertical height is

offset by the weight of the water in the vertical drop

on the other side of the heating loop.

Flow Rat e

Design vs. Field Condit ions

Flow rate is the amount of water flowing in

the system. It is directly related to the head

pressure and the resistance to flow. Flow rate

is measured in gallons per minute (liters

per minute).

The factors discussed above become very

important to consumer comfort. Even small

differences between design parameters and

actual field conditions can impact greatly on

output capacity. Therefore, it is important to do a

thorough and complete commissioning of the

integrated combo system to ensure the design

parameters are met.

Pressure Drop (PD)

Pressure drop (PD) is the reduction in total

pressure caused by components added to a

piping system such as coils, valves, and fittings.

The measurement of pressure drop is the

difference in pressure on the inlet side of the

component and the outlet side. Pressure drop is

measured in feet of water (millimeters of water).

Wat er Syst em Pressures

Within the water system of an Integrated Combo

system, there are three terms that the

designer/installer must understand. These are

head pressure, water flow rate, and pressure drop.

When connecting the water lines for heating loop

(air handler) to the domestic water system, the

pipes should be connected with a “tee” to the

side of a vertical domestic water pipe or the

bottom of a horizontal domestic water pipe. This

is to help prevent air from entering the heating

loop. The connections should be as near as

practical to the water heater.

Head Pressure

Head pressure is the pressure created by the

circulation pump to push water through the

piping system. It is this pressure which is used

to overcome the resistance to water flow

(friction) caused by the water pipe and fittings. It

is similar in concept to the external static

pressure in an air duct system. Head pressure

is measured in feet or water (millimeters

of water).

Note: Although the water in the combo system is

pressurized by the domestic water system the pump

is required to create water flow in the heating loop.

The domestic water system applies the same

pressure to the supply and return sides of

heating loop.

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Specificat ions

Model 40DHW (Up Flow)

Core

Ventilation system has patented aluminum heat recovery core (standard) or an enthalpic energy

recovery core (optional) for energy-efficient ventilation. Enthalpic cores are recommended for

regions where the temperature does not drop below 25˚F (-4˚C).

Filters Washable air filters in exhaust and supply air streams of ventilation section, 1" pleated in

return plenum side.

Case

Prepainted galvanized steel for superior corrosion resistance.

40DHW Output (MBH)

890

790

740

660

1030

61.9

57.6

55.3

51.3

67.0

62.3

59.2

55.3

66.5

61.3

58.6

53.9

72.8

66.9

63.2

58.6

69.3

63.6

60.5

55.4

76.5

69.8

65.8

60.5

40.7

38.0

36.5

33.8

44.0

47.7

44.5

42.7

39.6

51.7

48.0

46.7

42.7

54.8

51.0

49.0

45.5

59.3

55.1

52.4

49.0

69.0 76.2

64.3 70.9

61.7 68.0

57.2 63.0

74.8 82.5

69.4 76.6

66.0 72.8

61.7 68.0

43.8

40.5

38.7

35.6

48.0

44.1

41.7

38.7

51.3

47.4

45.3

41.7

56.2

51.7

48.8

45.5

58.9

54.4

51.9

47.8

64.5

59.3

56.0

51.9

74.1

68.3

65.3

60.0

81.2

74.6

70.4

65.3

81.7

75.4

72.0

66.2

89.6

82.3

77.6

72.0

45.7

42.0

40.0

36.7

50.5

46.1

43.5

40.0

53.6

49.2

46.8

42.9

59.1

54.0

50.9

46.9

61.4

56.4

53.7

49.2

67.8

61.9

58.3

53.7

77.2

70.8

67.4

61.7

85.3

77.8

73.3

67.4

85.1

78.0

74.3

68.0

94.1

85.8

80.8

74.3

900 41.0

38.9

36.5

825

740

Water

Temp.

130 140

150

160

170

180

130 140

150

160

170

180

130 140

150

160

170

180

3 GPM

4 GPM

5 GPM

Dimensions & Clearances

(SERVICE CLEARANCE 1')

(SERVICE CLEARANCE 3')

Front

Model

Voltage

40DHW

Side

120 VAC 60 Hz

1/ 3

12"

16"

Amps (total)

Top

Latches

Ventilation

Supply Air

Inlet

Water

Connections

1/ 2" Copper Soldered

Connection

Duct (coil)

Opening

Airflow (High)

.25 in wg

.5 in. wg

17.25"

19"

1030 CFM

890 CFM

Ventilation

Exhaust Air

Outlet

47.5"

Ventilation

Airflow

100 - 140 CFM

29.5"

22"

Effectiveness

70%

(Aluminum Core)

Return

Plenum

Blower Section

14"

Total Efficiency

(Enthalpic Core)

50%

Note: Ventilation ports and return

plenum opening available

off either side of cabinet.

All units conform to CSA

and UL Standards.

Net Weight

150 lbs.

165 lbs.

19"

29.5"

Shipping Weight

Warranty

Options

99-186

Weatherhoods, Two - 6" c/w

1/4" mesh screen

Units carry a lifetime warranty on the heat

recovery (aluminum) core, a five year warranty

on the energy recovery (enthalpic) core and a

five year replacement parts warranty on all

99-130W

99-RSK6

Remote Wall Mount Dehumidistat

Control 24 VAC only

6” back draft damper

other components.

0105

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Specificat ions

Model 60DHW (Up Flow)

Core

Ventilation system has patented aluminum heat recovery core (standard) or an enthalpic energy

recovery core (optional) for energy-efficient ventilation. Enthalpic cores are recommended for

regions where the temperature does not drop below 25˚F (-4˚C).

Filters ^{Washable air filters in exhaust and supply air streams of ventilation section, 1" pleated in}

return plenum side.

Case

Prepainted galvanized steel for superior corrosion resistance.

60DHW Output (MBH)

1180

1120

890

675

1350

77.9

75.9

66.5

55.3

83.1

80.9

68.8

58.4

85.3

82.6

70.9

57.7

92.2

89.3

73.7

61.3

89.9

86.8

73.5

56.4

98.0

94.5

76.6

63.0

51.4

50.0

43.9

36.6

54.7

60.2

58.7

51.4

42.8

64.2

62.5

53.2

45.2

69.0

67.2

60.0

49.0

73.6

71.7

60.9

51.8

86.8 95.8

84.5 93.2

74.1 81.7

61.5 67.8

92.6 102.1

90.2 99.5

76.6 84.5

65.0 71.7

56.3

54.5

46.9

38.2

60.8

58.9

48.7

40.6

65.9

63.9

54.9

44.7

71.2

69.0

57.0

47.5

75.6

73.2

62.9

51.2

81.7

79.1

65.3

54.4

95.0 104.8

92.0 101.5

59.4

57.4

48.7

37.3

64.7

62.4

50.7

41.8

69.5

67.1

56.9

43.7

75.8

73.1

59.3

48.8

79.7

76.9

65.3

50.0

86.8

83.8

67.9

55.9

100.1 110.3

96.6 106.5

79.0

64.2

87.1

70.7

81.8

62.8

90.2

69.2

102.7 113.3

99.5 109.7

109.2 120.4

105.3 116.5

1275 53.3

45.4

38.6

82.1

68.3

90.4

75.2

85.3

70.1

94.0

77.2

940

730

Water

Temp.

130 140

150

160

170

180

130 140

150

160

170

180

130 140

150

160

170

180

3 GPM

4 GPM

5 GPM

Dimensions & Clearances

(SERVICE CLEARANCE 1')

(SERVICE CLEARANCE 3')

Front

Model

Voltage

60DHW

120 VAC 60 Hz

1/ 2

Side

12"

22.25"

Top

Amps (total)

8.7

Latches

Ventilation

Supply Air

Inlet

Water

Connections

3/ 4" Copper Soldered

Connection

Duct (coil)

Opening

Airflow (High)

.25 in wg

.5 in. wg

17.25"

19"

1350 CFM

1180 CFM

Ventilation

Exhaust Air

Outlet

47.5"

Ventilation

Airflow

100 - 140 CFM

29.5"

22"

Effectiveness

(Aluminum Core)

70%

Return

Plenum

Blower Section

14"

Total Efficiency

(Enthalpic Core)

50%

Note: Ventilation ports and return

plenum opening available

off either side of cabinet.

All units conform to CSA

and UL Standards.

Net Weight

150 lbs.

165 lbs.

19"

29.5"

Shipping Weight

Warranty

Options

99-186

Weatherhoods, Two - 6" c/w

1/4" mesh screen

Units carry a lifetime warranty on the heat

recovery (aluminum) core, a five year warranty

on the energy recovery (enthalpic) core and a

five year replacement parts warranty on all

99-130W

99-RSK6

Remote Wall Mount Dehumidistat

Control 24 VAC only

6” back draft damper

other components.

0105

Download from Www.Somanuals.com. All Manuals Search And Download.

Specificat ions

Model 40DHWDF (Down Flow)

Core

Ventilation system has patented aluminum heat recovery core (standard) or an enthalpic energy

recovery core (optional) for energy-efficient ventilation. Enthalpic cores are recommended for

regions where the temperature does not drop below 25˚F (-4˚C).

Filters Washable air filters in exhaust and supply air streams of ventilation section, 1" pleated in

return plenum side.

Case

Prepainted galvanized steel for superior corrosion resistance.

40DHWDF Out put (MBH)

W Output (MBH)

890

790

740

660

1030

61.9

57.6

55.3

51.3

67.0

62.3

59.2

55.3

66.5

61.3

58.6

53.9

72.8

66.9

63.2

58.6

69.3

63.6

60.5

55.4

76.5

69.8

65.8

60.5

40.7

38.0

36.5

33.8

44.0

47.7

44.5

42.7

39.6

51.7

48.0

46.7

42.7

54.8

51.0

49.0

45.5

59.3

55.1

52.4

49.0

69.0 76.2

64.3 70.9

61.7 68.0

57.2 63.0

74.8 82.5

69.4 76.6

66.0 72.8

61.7 68.0

43.8

40.5

38.7

35.6

48.0

44.1

41.7

38.7

51.3

47.4

45.3

41.7

56.2

51.7

48.8

45.5

58.9

54.4

51.9

47.8

64.5

59.3

56.0

51.9

74.1

68.3

65.3

60.0

81.2

74.6

70.4

65.3

81.7

75.4

72.0

66.2

89.6

82.3

77.6

72.0

45.7

42.0

40.0

36.7

50.5

46.1

43.5

40.0

53.6

49.2

46.8

42.9

59.1

54.0

50.9

46.9

61.4

56.4

53.7

49.2

67.8

61.9

58.3

53.7

77.2

70.8

67.4

61.7

85.3

77.8

73.3

67.4

85.1

78.0

74.3

68.0

94.1

85.8

80.8

74.3

900 41.0

38.9

36.5

825

740

Water

Temp.

130 140

150

160

170

180

130 140

150

160

170

180

130 140

150

160

170

180

3 GPM

4 GPM

5 GPM

Dimensions & Clearances

Model

Voltage

40DHWDF

Top

19"

29.5"

120 VAC 60 Hz

22"

1/ 3

Optional R/A

Opening

14"

Amps (total)

19"

14"

Blower Section

Return Plenum

22"

Water

Connections

1/ 2" Copper Soldered

Connection

Airflow (High)

.25 in wg

.5 in. wg

29.5"

1030 CFM

890 CFM

Ventilation Exhaust

Air Outlet

47.5"

16"

Bottom

Ventilation

Airflow

100 - 140 CFM

Ventilation Supply

Air Inlet

Effectiveness

(Aluminum Core)

70%

Latches

Duct (coil)

Opening

17.25"

19"

Total Efficiency

(Enthalpic Core)

50%

12"

Net Weight

150 lbs.

165 lbs.

Side

29.5"

Front

(SERVICE CLEARANCE 3')

Shipping Weight

(SERVICE CLEARANCE 1')

Note: Ventilation ports and return plenum opening available

off either side of cabinet. All units conform to CSA and UL Standards.

Warranty

Options

99-186

Weatherhoods, Two - 6" c/w

1/4" mesh screen

Units carry a lifetime warranty on the heat

recovery (aluminum) core, a five year warranty

on the energy recovery (enthalpic) core and a

five year replacement parts warranty on all

99-130W

99-RSK6

Remote Wall Mount Dehumidistat

Control 24 VAC only

6” back draft damper

other components.

0105

Download from Www.Somanuals.com. All Manuals Search And Download.

Specificat ions

Model 60DHWDF (Down Flow)

Core

Ventilation system has patented aluminum heat recovery core (standard) or an enthalpic energy

recovery core (optional) for energy-efficient ventilation. Enthalpic cores are recommended for

regions where the temperature does not drop below 25˚F (-4˚C).

Filters Washable air filters in exhaust and supply air streams of ventilation section, 1" pleated in

return plenum side.

Case

Prepainted galvanized steel for superior corrosion resistance.

60DHWDF Out put (MBH)

60DHW Output (MBH)

1180

1120

890

675

1350

77.9

75.9

66.5

55.3

83.1

80.9

68.8

58.4

85.3

82.6

70.9

57.7

92.2

89.3

73.7

61.3

89.9

86.8

73.5

56.4

98.0

94.5

76.6

63.0

51.4

50.0

43.9

36.6

54.7

60.2

58.7

51.4

42.8

64.2

62.5

53.2

45.2

69.0

67.2

60.0

49.0

73.6

71.7

60.9

51.8

86.8 95.8

84.5 93.2

74.1 81.7

61.5 67.8

92.6 102.1

90.2 99.5

76.6 84.5

65.0 71.7

56.3

54.5

46.9

38.2

60.8

58.9

48.7

40.6

65.9

63.9

54.9

44.7

71.2

69.0

57.0

47.5

75.6

73.2

62.9

51.2

81.7

79.1

65.3

54.4

95.0 104.8

92.0 101.5

59.4

57.4

48.7

37.3

64.7

62.4

50.7

41.8

69.5

67.1

56.9

43.7

75.8

73.1

59.3

48.8

79.7

76.9

65.3

50.0

86.8

83.8

67.9

55.9

100.1 110.3

96.6 106.5

79.0

64.2

87.1

70.7

81.8

62.8

90.2

69.2

102.7 113.3

99.5 109.7

109.2 120.4

105.3 116.5

1275 53.3

45.4

38.6

82.1

68.3

90.4

75.2

85.3

70.1

94.0

77.2

940

730

Water

Temp.

130 140

150

160

170

180

130 140

150

160

170

180

130 140

150

160

170

180

3 GPM

4 GPM

5 GPM

Dimensions & Clearances

Top

Model

Voltage

60DHWDF

120 VAC 60 Hz

1/ 2

19"

29.5"

22"

14"

19"

Optional R/A

Opening

Amps (total)

8.7

14"

Blower Section

*Return Plenum

22"

Water

Connections

3/ 4" Copper Soldered

Connection

Airflow (High)

.25 in wg

.5 in. wg

29.5"

1350 CFM

1180 CFM

Ventilation Exhaust

Air Outlet

47.5"

22.25"

Bottom

Ventilation

Airflow

100 - 140 CFM

Ventilation Supply

Air Inlet

Effectiveness

(Aluminum Core)

70%

Latches

Duct (coil)

Opening

17.25"

19"

Total Efficiency

(Enthalpic Core)

50%

12"

Net Weight

150 lbs.

165 lbs.

29.5"

Side

Shipping Weight

Front

(SERVICE CLEARANCE 3') (SERVICE CLEARANCE 1')

Note: Ventilation ports and return plenum opening available

off either side of cabinet. All units conform to CSA and UL Standards.

Warranty

Options

99-186

Weatherhoods, Two - 6" c/w

1/4" mesh screen

Units carry a lifetime warranty on the heat

recovery (aluminum) core, a five year warranty

on the energy recovery (enthalpic) core and a

five year replacement parts warranty on all

99-130W

99-RSK6

Remote Wall Mount Dehumidistat

Control 24 VAC only

6” back draft damper

other components.

0105

Download from Www.Somanuals.com. All Manuals Search And Download.

Specificat ions

Model 40DHWH (Horizontal)

Core

Ventilation system has patented aluminum heat recovery core (standard) or an enthalpic energy

recovery core (optional) for energy-efficient ventilation. Enthalpic cores are recommended

for regions where the temperature does not drop below 25˚F (-4˚C).

Filters Washable air filters in exhaust and supply air streams of ventilation section, 1" pleated in

return plenum side.

Case

Prepainted galvanized steel for superior corrosion resistance. Service drain 1/2” or 3/4” NPT.

40DHWH Out put (MBH)

40DHW Output (MBH)

890

790

740

660

1030

61.9

57.6

55.3

51.3

67.0

62.3

59.2

55.3

66.5

61.3

58.6

53.9

72.8

66.9

63.2

58.6

69.3

63.6

60.5

55.4

76.5

69.8

65.8

60.5

40.7

38.0

36.5

33.8

44.0

47.7

44.5

42.7

39.6

51.7

48.0

46.7

42.7

54.8

51.0

49.0

45.5

59.3

55.1

52.4

49.0

69.0 76.2

64.3 70.9

61.7 68.0

57.2 63.0

74.8 82.5

69.4 76.6

66.0 72.8

61.7 68.0

43.8

40.5

38.7

35.6

48.0

44.1

41.7

38.7

51.3

47.4

45.3

41.7

56.2

51.7

48.8

45.5

58.9

54.4

51.9

47.8

64.5

59.3

56.0

51.9

74.1

68.3

65.3

60.0

81.2

74.6

70.4

65.3

81.7

75.4

72.0

66.2

89.6

82.3

77.6

72.0

45.7

42.0

40.0

36.7

50.5

46.1

43.5

40.0

53.6

49.2

46.8

42.9

59.1

54.0

50.9

46.9

61.4

56.4

53.7

49.2

67.8

61.9

58.3

53.7

77.2

70.8

67.4

61.7

85.3

77.8

73.3

67.4

85.1

78.0

74.3

68.0

94.1

85.8

80.8

74.3

900 41.0

38.9

36.5

825

740

Water

Temp.

130 140

150

160

170

180

130 140

150

160

170

180

130 140

150

160

170

180

3 GPM

4 GPM

5 GPM

Dimensions & Clearances

SIDE

14”

SUPPLY AIR END

Model

Voltage

40DHWH

16”

120 VAC 60 Hz

Return

Plenum

1/ 3

19”

17.25”

29.5”

Duct Coil

Opening

22”

Amps (total)

Water

1/ 2" Copper Soldered

Connection

6”

4”

6”

12”

Connections

29.5”

Airflow (High)

.25 in wg

.5 in. wg

1030 CFM

890 CFM

RETURN AIR END

FRONT

Ventilation

Airflow

100 - 140 CFM

22”

Effectiveness

(Aluminum Core)

70%

19”

14”

Return

Plenum

Total Efficiency

(Enthalpic Core)

50%

49.5”

Net Weight

150 lbs.

165 lbs.

29.5”

Service

Drain

10” Service

Clearance

Shipping Weight

Note: All units conform to CSA and UL Standards.

Warranty

Options

99-186

Weatherhoods, Two - 6" c/w

1/4" mesh screen

Units carry a lifetime warranty on the heat

recovery (aluminum) core, a five year warranty

on the energy recovery (enthalpic) core and a

five year replacement parts warranty on all

99-130W

99-RSK6

Remote Wall Mount Dehumidistat

Control 24 VAC only

6” back draft damper

other components.

0105

Download from Www.Somanuals.com. All Manuals Search And Download.

Specificat ions

Model 60DHWH (Horizontal)

Core

Ventilation system has patented aluminum heat recovery core (standard) or an enthalpic

energy recovery core (optional) for energy-efficient ventilation. Enthalpic cores are

recommended for regions where the temperature does not drop below 25˚F (-4˚C).

Filters Washable air filters in exhaust and supply air streams of ventilation section, 1" pleated in

return plenum side.

Case

Prepainted galvanized steel for superior corrosion resistance. Service drain 1/2” or 3/4” NPT.

60DHWH Out put (MBH)

60DHW Output (MBH)

1180

1120

890

675

1350

77.9

75.9

66.5

55.3

83.1

80.9

68.8

58.4

85.3

82.6

70.9

57.7

92.2

89.3

73.7

61.3

89.9

86.8

73.5

56.4

98.0

94.5

76.6

63.0

51.4

50.0

43.9

36.6

54.7

60.2

58.7

51.4

42.8

64.2

62.5

53.2

45.2

69.0

67.2

60.0

49.0

73.6

71.7

60.9

51.8

86.8 95.8

84.5 93.2

74.1 81.7

61.5 67.8

92.6 102.1

90.2 99.5

76.6 84.5

65.0 71.7

56.3

54.5

46.9

38.2

60.8

58.9

48.7

40.6

65.9

63.9

54.9

44.7

71.2

69.0

57.0

47.5

75.6

73.2

62.9

51.2

81.7

79.1

65.3

54.4

95.0 104.8

92.0 101.5

59.4

57.4

48.7

37.3

64.7

62.4

50.7

41.8

69.5

67.1

56.9

43.7

75.8

73.1

59.3

48.8

79.7

76.9

65.3

50.0

86.8

83.8

67.9

55.9

100.1 110.3

96.6 106.5

79.0

64.2

87.1

70.7

81.8

62.8

90.2

69.2

102.7 113.3

99.5 109.7

109.2 120.4

105.3 116.5

1275 53.3

45.4

38.6

82.1

68.3

90.4

75.2

85.3

70.1

94.0

77.2

940

730

Water

Temp.

130 140

150

160

170

180

130 140

150

160

170

180

130 140

150

160

170

180

3 GPM

4 GPM

5 GPM

Dimensions & Clearances

SIDE

14”

Model

Voltage

60DHWH

120 VAC 60 Hz

1/ 2

SUPPLY AIR END

22.25”

TOP

Return

Plenum

29.5”

Amps (total)

8.7

22”

19”

17.25”

Duct Coil

Opening

Water

3/ 4" Copper Soldered

Connection

Connections

6”

4”

6”

12”

Airflow (High)

.25 in wg

.5 in. wg

29.5”

1350 CFM

1180 CFM

RETURN AIR END

FRONT

Ventilation

Airflow

100 - 140 CFM

22”

Effectiveness

(Aluminum Core)

70%

19”

14”

Return

Plenum

Total Efficiency

(Enthalpic Core)

50%

Net Weight

150 lbs.

165 lbs.

49.5”

29.5”

Service

Drain

10” Service

Clearance

Shipping Weight

Note: All units conform to CSA and UL Standards.

Warranty

Options

99-186

Weatherhoods, Two - 6" c/w

1/4" mesh screen

Units carry a lifetime warranty on the heat

recovery (aluminum) core, a five year warranty

on the energy recovery (enthalpic) core and a

five year replacement parts warranty on all

99-130W

99-RSK6

Remote Wall Mount Dehumidistat

Control 24 VAC only

6” back draft damper

other components.

0105

Download from Www.Somanuals.com. All Manuals Search And Download.

Specificat ions

Model 4TONDHW

(High CFM Lower BTUH Output)

Core

Ventilation system has patented aluminum heat recovery core (standard) or an enthalpic energy

recovery core (optional) for energy-efficient ventilation. Enthalpic cores are recommended for

regions where the temperature does not drop below 25˚F (-4˚C).

Filters Washable air filters in exhaust and supply air streams of ventilation section, 1" pleated in

return plenum side.

Case

Prepainted galvanized steel for superior corrosion resistance.

4TONDHW Output (MBH)

1589

1469

1033

690

49.8

48.9

45.6

37.3

53.1

52.3

47.1

38.1

53.2

52.1

48.4

39.0

57.0

56.1

50.1

39.9

55.4

54.3

50.2

40.1

59.7

58.7

52.0

41.0

32.9

32.8

30.2

24.7

35.1

38.5

37.8

35.3

28.9

41.0

40.4

36.5

29.5

44.2

43.3

40.4

33.1

47.0

46.4

41.8

33.8

55.4 61.1

54.4 60.0

50.8 55.9

41.5 45.7

59.1 65.1

58.2 64.2

52.4 57.8

42.4 46.7

35.2

34.5

32.0

25.9

37.7

37.1

33.2

26.4

41.2

40.4

37.5

30.2

44.1

43.4

38.8

30.9

47.2

46.2

42.9

34.6

50.6

49.8

44.4

35.4

59.2

58.0

53.8

43.4

63.5

62.5

55.8

44.4

65.3

63.9

59.3

47.8

70.0

68.9

61.4

48.9

36.7

36.0

33.3

26.6

39.5

38.8

34.5

27.2

43.0

42.0

38.9

31.1

46.2

45.4

40.3

31.8

49.2

48.1

44.5

35.6

52.9

52.0

46.2

36.4

61.7

60.4

55.8

44.6

66.4

65.3

57.9

45.6

68.0

66.5

61.5

49.1

73.2

71.9

63.8

50.2

1888

1650 34.6

31.2

25.2

1134

806

Water

Temp.

130 140

150

160

170

180

130 140

150

160

170

180

130 140

150

160

170

180

3 GPM

4 GPM

5 GPM

Dimensions & Clearances

Model

Voltage

4TONDHW

120 VAC 60 Hz

1/ 3

(SERVICE CLEARANCE 1')

Side

(SERVICE CLEARANCE 3')

Front

12"

Amps (total)

8.7

Water

Connections

1/ 2" Copper Soldered

Connection

Latches

22.25"

Top

Ventilation Supply

Air Inlet

Airflow (High)

.25 in wg

.5 in. wg

1888 CFM

1589 CFM

Ventilation Exhaust

Air Outlet

47.5"

Duct (coil)

Opening

Ventilation

Airflow

100 - 140 CFM

17.25"

19"

Effectiveness

(Aluminum Core)

70%

22"

Return Plenum

29.5"

Total Efficiency

(Enthalpic Core)

50%

Blower Section

14"

Net Weight

150 lbs.

165 lbs.

Note: Ventilation ports and

return plenum opening

Shipping Weight

29.5"

19"

available off either side of

cabinet. All units conform

to CSA and UL Standards.

Warranty

Options

99-186

Weatherhoods, Two - 6" c/w

1/4" mesh screen

Units carry a lifetime warranty on the heat

recovery (aluminum) core, a five year warranty

on the energy recovery (enthalpic) core and a

five year replacement parts warranty on all

99-130W

99-RSK6

Remote Wall Mount Dehumidistat

Control 24 VAC only

other components.

6” back draft damper

0105

Download from Www.Somanuals.com. All Manuals Search And Download.

Specificat ions

Model 40VENTAC

(No Heating Coil)

Core

Ventilation system has patented aluminum heat recovery core (standard) or an enthalpic energy

recovery core (optional) for energy-efficient ventilation. Enthalpic cores are recommended for

regions where the temperature does not drop below 25˚F (-4˚C).

Filters Washable air filters in exhaust and supply air streams of ventilation section, 1" pleated in

return plenum side.

Case

Prepainted galvanized steel for superior corrosion resistance.

Dimensions & Clearances

(SERVICE CLEARANCE 1')

(SERVICE CLEARANCE 3')

Front

Model

Voltage

40VENTAC

Side

120 VAC 60 Hz

12"

1/ 3

16"

Top

Amps (total)

Latches

Ventilation

Supply Air

Inlet

Airflow (High)

.25 in wg

.5 in. wg

1030 CFM

890 CFM

Duct (coil)

Opening

17.25"

19"

Ventilation

Exhaust Air

Outlet

Ventilation

Airflow

100 - 140 CFM

47.5"

Effectiveness

(Aluminum Core)

70%

29.5"

22"

Total Efficiency

(Enthalpic Core)

50%

Return

Plenum

Blower Section

14"

Net Weight

122 lbs.

137 lbs.

Note: Ventilation ports and return

plenum opening available

off either side of cabinet.

All units conform to CSA

and UL Standards.

Shipping Weight

19"

29.5"

* Airflow performance assumes an evaporator

coil static pressure loss of .25” WC.

Warranty

Options

99-186

Weatherhoods, Two - 6" c/w

1/4" mesh screen

Units carry a lifetime warranty on the heat

recovery (aluminum) core, a five year warranty

on the energy recovery (enthalpic) core and a

five year replacement parts warranty on all

99-130W

99-RSK6

Remote Wall Mount Dehumidistat

Control 24 VAC only

6” back draft damper

other components.

0105

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Specificat ions

Model 60VENTAC

(No Heating Coil)

Core

Ventilation system has patented aluminum heat recovery core (standard) or an enthalpic energy

recovery core (optional) for energy-efficient ventilation. Enthalpic cores are recommended for

regions where the temperature does not drop below 25˚F (-4˚C).

Filters Washable air filters in exhaust and supply air streams of ventilation section, 1" pleated in

return plenum side.

Case

Prepainted galvanized steel for superior corrosion resistance.

Dimensions & Clearances

(SERVICE CLEARANCE 1')

(SERVICE CLEARANCE 3')

Front

Model

Voltage

60VENTAC

120 VAC 60 Hz

1/ 2

Side

12"

22.25"

Top

Amps (total)

7.7

Latches

Ventilation

Supply Air

Inlet

Airflow (High)

.25 in wg

.5 in. wg

1350 CFM

1180 CFM

Duct (coil)

Opening

17.25"

19"

Ventilation

Airflow

100 - 140 CFM

Ventilation

Exhaust Air

Outlet

47.5"

Effectiveness

(Aluminum Core)

70%

29.5"

22"

Total Efficiency

(Enthalpic Core)

50%

Return

Plenum

Blower Section

14"

Net Weight

115 lbs.

130 lbs.

Note: Ventilation ports and

return plenum opening

Shipping Weight

available off either side of

cabinet. All units conform

to CSA and UL Standards.

19"

29.5"

* Airflow performance assumes an evaporator

coil static pressure loss of .25” WC

Warranty

Options

99-186

Weatherhoods, Two - 6" c/w

1/4" mesh screen

Units carry a lifetime warranty on the heat

recovery (aluminum) core, a five year warranty

on the energy recovery (enthalpic) core and a

five year replacement parts warranty on all

99-130W

99-RSK6

Remote Wall Mount Dehumidistat

Control 24 VAC only

6” back draft damper

other components.

0105

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Specificat ions

Model 4TONVENTAC

(No Heating Coil)

Core

Ventilation system has patented aluminum heat recovery core (standard) or an enthalpic energy

recovery core (optional) for energy-efficient ventilation. Enthalpic cores are recommended for

regions where the temperature does not drop below 25˚F (-4˚C).

Filters Washable air filters in exhaust and supply air streams of ventilation section, 1" pleated in

return plenum side.

Case

Prepainted galvanized steel for superior corrosion resistance.

Dimensions & Clearances

(SERVICE CLEARANCE 1')

(SERVICE CLEARANCE 3')

Front

Model

Voltage

4TONVENTAC

Side

120 VAC 60 Hz

1/ 3

7.7

12"

22.25"

Amps (total)

Top

Latches

Ventilation

Supply Air

Inlet

Airflow (High)

.25 in wg

.5 in. wg

1888 CFM

1589 CFM

Duct (coil)

Opening

17.25"

19"

Ventilation

Airflow

100 - 140 CFM

Ventilation

Exhaust Air

Outlet

47.5"

Effectiveness

(Aluminum Core)

70%

29.5"

22"

Total Efficiency

(Enthalpic Core)

50%

Return

Plenum

Blower Section

14"

Net Weight

132 lbs.

147 lbs.

Note: Ventilation ports and return

plenum opening available

off either side of cabinet.

All units conform to CSA

and UL Standards.

Shipping Weight

* Airflow performance assumes an evaporator

coil static pressure loss of .25” WC.

19"

29.5"

Warranty

Options

99-186

Weatherhoods, Two - 6" c/w

1/4" mesh screen

Units carry a lifetime warranty on the heat

recovery (aluminum) core, a five year warranty

on the energy recovery (enthalpic) core and a

five year replacement parts warranty on all

99-130W

99-RSK6

Remote Wall Mount Dehumidistat

Control 24 VAC only

other components.

6” back draft damper

0105

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INSTALLATION

The purpose of this manual is to give the contractor

required for service of the filter, heat recovery

core and components. As a rule this unit should

be installed adjacent to the hot water heater. If

this is not possible, or if the piping layout is

complex, the total head pressure on the pump

should be calculated.

guidelines for installing the LIFEBREATH Clean Air

Furnace. All national and local codes relating to this

type of equipment must be followed.

Locat ing The Unit

The Clean Air Furnace is designed to be installed

vertically, (unless it is designated as a Horizontal

unit ”H”), in a conditioned space, where the

surrounding temperature does not fall below

50°F (10°C). Attic installations are not recommended.

Typically the unit is installed in a mechanical area of

the basement, or other partitioned mechanical

room, elsewhere in the home.

Duct Connect ions

To accommodate various installations, the Clean

Air Furnace has knockouts for the return air

plenum and ventilation ducts, on both sides of the

cabinet. Special care and attention should be

given to determining which knockouts are to be

removed.

A location close to an outside wall is

recommended, as the ventilation supply and

exhaust portion will need to be ducted to the

outside air. Sufficient clearance around the unit is

Slide Heat Recovery Core out to remove

ventilation knockouts. Never install ductwork

directly to the cabinet that is smaller than the

opening provided.

Option 1 - Ventilation Ports Off Left Side

Models 40DHW, 60DHW & 4TONDHW

Models 40DHWDF & 60DHWDF

Remove circular

metal knockout

Remove

styrofoam

knockout

Remove

styrofoam

knockout

Remove

styrofoam

knockout

NOTE: Return plenum opening can be on either side of cabinet and is not dependent on which side the ventilation ports are on.

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Option 2 - Ventilation Ports Off Right Side

Models 40DHWDF & 60DHWDF

Models 40DHW, 60DHW & 4TONDHW

Remove circular

metal knockout

Remove

styrofoam

knockout

Remove

styrofoam

knockout

Remove

styrofoam

knockout

Horizontal Version

Models 40DHW, 60DHW & 4TONDHW

Remove circular

metal knockout

Penetrations from sheet metal screws used to

fasten the ductwork to the cabinet of the unit

should only be placed into the duct flange provided.

This is to avoid contact and damage of the

heating/air conditioning coils and internal wiring.

Any ductwork running through unconditioned

space must be sealed properly and insulated to

prevent heat loss. All local codes must be

followed in determining the amount of insulation

needed.

Duct ing

The ventilation section consists of two 6"

(15.2cm) round ports located on the side of the

cabinet, which vent to the outside. Insulated

ducting with a vapour barrier such as flex-ducting,

or ridged pipe wrapped in pipe sleeve, is required

to prevent condensation from occurring on the

pipe. Also the airflow in these lines is designed to

be balanced. (See "Balancing Airflows" in this

manual, for damper location and procedure).

The duct sizing for the furnace section can be

determined using HRAI Residential Air System

Design Manual, SMACNA, or any other industry-

recognized manuals.

Note: "Combo units" normally deliver air at approx.

110°F (43°C), and therefore may require larger than

normal ductwork. When installing the Clean Air

Furnace as a replacement unit on a retrofit applica-

tion, always calculate the size of duct that is there.

Warning: A backdraft damper is required in the

exhaust air duct to prevent cold air from entering the

unit when the Clean Air Furnace is not running.

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Locat ing Int ake Weat herhood

Out side Duct ing t he Weat herhoods

The intake weatherhood should be located

as follows:

The ventilation portion of the Clean Air Furnace

can be vented off either side of the unit by

removing knockouts provided. Once the knock

outs in are removed, a bead of silicone can be

placed on the plastic thermo-collars

(provided), to form a seal between the collars

and the cabinet. The collars can then be

fastened into place with screws. Note the

exhaust outlet is always the port on the bottom,

and the supply inlet is always the port on the top,

both ports should be labeled from the factory

as such.

• 4 - 6' from ventilation exhaust hood, and

upstream of prevailing winds, if possible.

• At least 6' from a dryer vent, oil fill pipes,

combustion outlets, gas meters, garbage

containers or anything else, which may

contaminate the air.

• Do not locate fresh air intake in garages,

crawl spaces or attics.

The ductwork from the outside weatherhoods to

the unit, is usually flexible ducting, although rigid

pipe may be needed if the runs are greater than

20 feet. In either case the pipes (both exhaust

and supply and the added fittings) must be

insulated, with a complete vapor barrier.

To minimize restriction in airflows the ducting

should be short, with as few bends as possible.

See diagram below for recommended connection

of insulated ducting to outside weatherhoods.

• Install 18" above grade, or above

expected snow accumulation.

Locat ing t he Exhaust Weat herhoods

The Exhaust Weatherhood should be located

as follows:

• At least 4-6' from the supply inlet

• At least 18" above grade or expected

snow accumulation

Locating Weatherhood

• At least 3' from gas meters, combustion

vents, or dryer vents

WEATHERHOOD INSTALLATION

BELT OF OUTSIDE WALL

• Do not install in garages, crawl spaces

or attics

INSULATED FLEXIBLE

DUCTING

THERMAL COLLAR

HOOD

1/ Thermal Collar slides over galvanized

sleeve of Weatherhood.

2/ Fasten Thermal Collar to Belt.

BIRD

SCREEN

3/ Slide the Insulated Flexible Ducting over

the Weatherhood’s galvanized sleeve and

fasten it to the Thermal Collar.

4/ Hood is hinged to allow for easy access

for cleaning of bird screen.

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Pit ot Tube Air Flow Balancing

It is necessary to have balanced air flows in an

HRV. The volume of air brought in from the outside

must equal the volume of air exhausted by the

unit. If the air flows are not properly balanced then:

the ductwork. Procedure should be performed

with the HRV on high speed.

Choose the straightest section of duct between

the HRV and the weatherhoods. This will be

used for both the supply and return ducts.

Drill a small hole in the duct (about 3/16"), three

feet downstream of any elbows or bends, and

one foot upstream of any elbows or bends.

These are recommended distances but the

actual installation may limit the amount

of straight duct.

• The HRV may not operate at its

maximum efficiency

• A negative or positive air pressure

may occur in the house

• The unit may not defrost properly

• Failure to balance the HRV may

void warranty

The Pitot tube should be connected to a

magnehelic gauge or other manometer capable

of reading from 0 to 0.25 in. (0 - 62 Pa) of water,

preferably to 3 digits of resolution. The tube

coming out of the top of the Pitot is connected to

the high pressure side of the gauge. The tube

coming out of the side of the Pitot is connected

to the low pressure or reference side of

the gauge.

Prior t o balancing, ensure t hat :

1. All sealing of the ductwork system has been

completed.

2. All of the HRV's components are in place

and functioning properly.

Insert the Pitot tube into the duct, pointing the tip

into the airflow.

3. Balancing dampers are fully open.

4. Unit is on high speed.

For general balancing it is sufficient to move the

Pitot tube around in the duct and take an

average or typical reading. Repeat this

procedure in the other (supply or return) duct.

Determine which duct has the highest airflow

(highest reading on the gauge). Then damper

that airflow back to match the lower reading from

the duct. The flows should now be balanced.

5. After taking readings of both the stale air to

the HRV duct and fresh air to the house duct,

the duct with the lower CFM ([L/s] velocity)

reading should be left alone, while the duct

with the higher reading should be dampered

back to match the lower reading.

Actual airflow can be determined from the gauge

reading. The value read on the gauge is called

velocity pressure. The Pitot tube comes with a

chart that will give the air flow velocity based on

the velocity pressure indicated by the gauge.

This velocity will be either feet per minute or

metres per second. To determine the actual

airflow, the velocity is multiplied by the cross

sectional area of the duct being measured.

6. Return unit to appropriate fan speed for

normal operation.

Balancing Procedure

The following is a method of field balancing an

HRV using a Pitot tube, advantageous in

situations when flow stations are not installed in

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Pit ot Tube and Gauge

Placement of t he Pit ot Tube

DUCT

AIR

FLOW

Pitot tube

Pitot Tube

Magnehelic gauge

Note: For best results keep Pitot tube

well away from dampers.

Figure A

Figure B

This is an example for determining the airflow in

a 6" duct. The Pitot tube reading was 0.025

inches of water. From the chart, this is 640 feet

per minute.

The accuracy of the airflow reading will be

affected by how close to any elbows or bends

the readings are taken. Accuracy can be

increased by taking an average of multiple

readings as outlined in the literature supplied

with the Pitot tube.

The 6" duct has a cross sectional area of:

= 3.14

[

(6"÷12)²÷4

]

= 0.2 square feet

Balancing Collar Inst ruct ions

The airflow is then:

640 ft./min. 0.2 square feet = 128 cfm

Push and turn with slotted

screwdriver. Damper

automatically locks when

pressure is released.

For your convenience, the cross sectional area

of some common round duct is listed below:

DUCT DIAM. (inches) CROSS SECTION AREA (sq. ft.)

5.0

6.0

7.0

.14

.20

.27

Insulated flexible

ducting

INSULATED PIPE

WITH VAPOUR

BARRIER

BUILT-IN

BALANCING

DAMPERS

OUTSIDE

HOOD

When connecting ductwork

to the collar, take note where

screws are located. Screws

should be located no further

than 1/2” from outside edge

of collar, so as not to impede

operation of the damper.

BACK DRAFT

DAMPER

1/2”

Figure D

Figure C

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Drain Line

Stickers indicating direction of flow, (Supply to

furnace, and Return to water heater) are

labeled on the outside of the cabinet. Do not

reverse these lines, as this will cause the unit to

malfunction.

The ventilation portion of the Clean Air Furnace

has two drain pans for removing condensation,

which may occur on the heat recovery core

during cold weather.

For piping conventional water heaters,

connections to and from the Clean Air Furnace

to the water tank should be made at the point

where the pipes leave the tank vertically. A "T"

fitting used in each vertical line, with the Clean

Air Furnace piping connected to the horizontal

side of this fitting, will work best in avoiding air

locks in the circulation pump of the furnace.

Piping

The hot water piping between the hot water tank

and the Clean Air Furnace should be new

copper type, and should not be treated with

chemicals, sealant or anything else, that will

interfere with the purity of the potable water.

Only non-lead, low temperature solder is

permitted for sealing copper joints. The copper

soldered pipe size for each model is:

*Note: Remove shipping block from underneath

pump and discard.

Model 40/4TONDHW 1/2" nominal

Model 60

3/4" nominal

Where possible the length of pipe should not

exceed 200' total equivalent length. Any piping

running through unconditioned space must be

insulated to prevent heat loss, and possible

freezing of the line.

HRV Drain Line Diagram

DRAIN

SPOUT

DRAIN

SPOUT

KNOCKOUT

TAPE

TEE

CONNECTOR

THROUGH KNOCKOUT

TO DRAIN

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Plumbing

In order to improve serviceability of our products,

This will allow for ease of service to remove any

installation debris or service required due to

extended hard water conditions.

the check valve is included with our manual kit

for field installation between the air-handler and

hot water source.

The check valve should be installed in a vertical

run of pipe with the flow of water in an upward

direction.

Note: Take care during soldering to avoid debris or

solder from lodging in the check valve.

Note: It is critical to follow the piping configuration

shown. Maintain a minimum distance of 12”

above the CAF/AH. This will minimize thermal

siphoning in the combo system.

An arrow on the check valve indicates its correct

orientation and must match the direction of water

flow.

Figure 1

House

Min. 12" above

top of CAF / AH

12"

Check

Valve

CAF

Water

Heater

Figure 2

House

Min. 12" above

top of CAF / AH

12"

Check

Valve

CAF

Water

Heater

* It should be noted that problems have been observed when using the side

tappings on certain water heaters; therefore, it is strongly recommended to use

the top water tappings as indicated in Figure 1 to minimize thermal siphoning

and related issues.

For further information, please contact Technical Support (519) 457-1904.

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Elect rical

The Clean Air Furnace operates at 120V, singles

phase and draws anywhere from 2-8.7 amps,

depending on fan speed.

Caution should be used if installing a setback

thermostat to control the system. If the

thermostat is set back too far, and, for example,

is set to call for a lot of heat when you get out of

bed, at which time showering and general water

use is at its peak, then the hot water heater may

not keep up.

The low voltage thermostat (not provided)

connects to the R & W terminals for heating and

the R & Y & C terminals when calling for cooling.

Clean Air Furnace - Wiring Diagram

R - W

R - G

= Heat

= Fan Only (optional dehumidistat)

G - R - Y - C = A/C

OPTIONAL PUMP TIMER

1 LOAD

2 LINE

JUMPER

3 NEUT.

24VAC THERMOSTAT CONNECTIONS

GND

* OPTIONAL

TEMPERATURE

SENSOR

WARNING

1 AMP

MAX

TRANSFORMER

FUSE

* NOTE: Units with

an (Optional) Pump

Timer do not get an

(Optional) Temperature

Sensor

Door Interlock

Continuous/Automatic

Ventilation Switch

Switch

To change fan speed, move

bottom wires on the speed

select terminal block to the high,

med-hi or med location.

FAN

CAPACITOR

PUMP

Note:

CAF-01

0101

Unit is shipped on high speed.

FAN MOTOR

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Opt ional Dehumidist at

An optional dehumidistat can be connected to the furnace to help eliminate

excessive moisture during the heating season. When the dehumidistat

senses moisture in excess of the control setpoint, the blower will be

overridden into high speed. This will increase the ventilation airflow and

create a dehumidification affect. Typical settings are between 30-40 during

Dehumidistat

Setting Relative to

Outside Conditions

WINTER:

Set dehumidistat

between 30% to 40%.

If home is too dry,

adjust to higher setting.

If home is too humid,

adjust to lower setting.

the winter and OFF for all other seasons

SUMMER:

Set dehumidistat

to OFF.

The dehumidistat will connect to R&G terminals on the furnace.

Note: Do not use dehumidistat for hot southern climates.

Part # 99-130W

When using a Dehumidistat or Interface Relay to initiate high speed blower operation on a

furnace, certain thermostats will initiate the outdoor cooling condenser when R and G are closed.

Use this wiring configuration to stop the Dehumidistat from initializing the condenser unit. This

problem can occur at the thermostat because the Y terminal is connected to the G terminal

internal to the stat. When R and G are closed at the furnace (by dehumidistat or relay) 24 Volts

is sent to G at thermostat. 24 Volts is then sent through Y which will initiate outdoor condenser.

The relay will isolate this problem.

NOTE: This problem does not occur with all thermostats, therefore it is important to fully

commission the installation to determine if this relay configuration is required.

Interface Relay

or Dehumidistat

COM

24 Volt

Relay

G W Y

T-stat

G W Y C

Furnace

TB-102

1099

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St art-Up Procedure

In order for any appliance to work properly it must be set up and tested by a knowledgeable

technician.

The following conditions must be met prior to start-up

Ensure that connecting water lines are purged and free of debris.

Caution: solder or other debris may cause the furnace pump or check valve to malfunction.

Blower wheel rotates freely inside its housing.

Wiring connections are tight.

Water is sitting in the "P" trap below the HRV core.

All duct and pipe connections are sealed.

Check that styrene block is removed from under pump.

Front access door is on tight.

Fan speed selection:

a) Heating/Cooling - factory setting is at high speed and can be changed in the

electrical box to medium-high or medium if required.

b) Ventilation - factory setting is continuous low speed and can be disconnected

in the electrical box if desired.

Once all of the necessary connections have been made, the Clean Air Furnace

Start-Up Procedure is as follows:

Close shut-off valves separating the Clean Air Furnace from the water heater.

Set up water heater according to manufacturer's instructions.

Purge air from unit. To do so, open the supply shut-off valve to the furnace. Attach a garden

hose to drain valve, and drain water until you get a continuous flow. Close the drain valve and

purge the pump. To purge the air from the pump, turn the large screw on the face of the pump

counterclockwise until water leaks out, then tighten. Open the supply shut-off valve.

Turn on power supply to Clean Air Furnace. Caution: blower will start to operate at

low speed.

Switch the room thermostat to heat. The thermostat should be set higher than the current room

temperature in order to energize the pump and commence the heating cycle. (If the pump does

not start, or the Clean Air Furnace is not producing heat, refer to the Troubleshooting Section in

this manual.

Set room thermostat at desired temperature setting.

Switch fan to manual at the thermostat so the unit will run at high speed in order to perform the

balancing procedure on the ventilation section. (Refer to Balancing Procedure in this manual.)

After balancing the ventilation according to instructions, set the thermostats fan switch to "auto".

On "auto" the fan will run continuously at a low speed until heating or cooling is called for and

then will switch to a higher speed. On "manual" the fan will run at high speed

continuously.

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Operat ion

Heat ing/ Cooling

When the room thermostat calls for heat, it activates a circulation pump located inside the Clean Air

Furnace. This pump delivers hot water from the water heater, through the furnace coil and back to the

water tank. Simultaneously, the furnace blower switches on to high speed and will start circulating air

across the coil, which picks up heat and delivers it to the rest of your home.

Once the thermostat's temperature is reached the pump will shut off, and the blower will return to its

pre-set speed or off.

Note: When the furnace blower is left running on low speed the air in the home circulates continuously. When

the heat is called for the blower will automatically switch to a higher speed. After the required hot air has

been delivered the blower will switch back to low speed.

When the thermostat calls for cooling (optional coil and condensing unit required) the furnace blower

activates to high speed and the outdoor condenser unit is energized. After the thermostat temperature

is reached the condensing unit will shut off, and the blower will return to its preset speed or off.

Continuous low speed can be selected on the ventilation switch at the electrical box.

Vent ilat ion

The heat recovery ventilation (HRV) portion of the Clean Air Furnace, is automatic. Once set, a desired

amount of fresh air will be drawn into the home while the furnace blower is activated.

To reduce humidity increased ventilation may be required during heating season. An optional remote

dehumidistat can be installed. The dehumidistat will increase the speed of the furnace blower to high

and will return to its original setting when humidity levels decrease. Your dehumidistat must be

switched off during warmer months as it is not required for air conditioning operation. To increase

humidity a quality humidifier should be added to the system.

Typically the air flow for ventilation will be set to 50 - 70cfm, for low speed furnace operation, and

100 - 150cfm at high speed. The pleated furnace filter should be checked regularly and replaced as

needed. The HRV filter should be washed twice a year or more often if needed.

Opt ional Circulat ion Timer Models

Some models are equipped with a circulation timer. It is normal operation for these models to

automatically run the circulation pump for a short period of time intermittently.

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Troubleshoot ing

Lack of heat

Check that the room thermostat is set to the desired temperature.

Confirm the units have power and the shut-off valves are open.

Ensure there is power to the unit and that the pump is working. If the pump is not working

properly it may be stuck. Disconnect power and remove screw in center face of the pump.

Using a screwdriver, turn the pump shaft several times to free it from sticking. Replace

center-screw and re-connect power. If pump still fails to start, it may require replacement.

Confirm that the hot water heater is working and that hot water is entering the Clean Air

Furnace.

Verify that the airflow in and out of the system matches designed specs. If airflow is low, check

for blockage in the filter or some other obstruction.

Make sure your water heater is sized large enough for heat load of house and for domestic hot

water use.

Air may still be in the water lines. If so, re-purge the system according to the start up

procedure.

Confirm that the inlet and outlet pipe connections are not reversed.

Ensure that there are no other restrictions in the water lines, such as faulty valves, or debris.

Pump is noisy

Pumps can become noisy when air remaining in the lines interfere with their operation. If this occurs

re-purge the system as indicated in the Start-Up Procedure.

HRV core freezes up

Make sure that the supply and exhaust lines are balanced according to the "Balancing

Procedure" in this manual.

If out of balance, ensure that the balancing dampers have not been moved and that there are

no obstructions in the outside hoods.

If necessary, install optional defrost kit, according to instructions.

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During cooling cycle, hot wat er circulat es t hrough t he coil

If the check valve inside the cabinet is stuck in the open position, hot water may infiltrate the heating

coil. This occurs when the hot pipes are not capped-off during installation or service and foreign

debris enters the piping. This debris can settle under the check valve seat and permit hot water to

flow into the coil. The problem can be corrected by repeatedly flushing the heating loop until it is

clean.

Wat er sit s in drain pipes

Check drain pans or lines for plugs.

Confirm that the HRV core is installed according to manufactures recommendations.

Check the drain line for kinks.

Make sure that the O-ring in the drain nozzles sit flat.

Ensure the drain line has enough "fall" to it.

Condensat ion/ ice forming inside vent ilat ion duct s

A rip in the vapor barrier or poorly sealed joints may cause condensation or ice to form on the

ducting. If this occurs, replace the entire line.

Humidit y levels are t oo low

If you have installed a dehumidistat ensure that its setting is correct. (Summer - OFF)

(Winter - 30% RH to 45% RH).

Check humidifier settings. (Summer - OFF) (Winter - 30% RH to 45% RH).

NOTE: Humidifier should always be 10% lower than dehumidistat.

Change thermostat fan switch from manual to automatic.

Humidit y levels are t oo high

If you have installed a dehumidistat ensure its setting is correct. (Summer - OFF)

(Winter - 30% RH to 45% RH).

Install a dehumidistat if necessary. (Winter use only. Not for hot southern climates).

Change thermostat fan switch from automatic to manual.

NOTE: The CAF has the ability to dehumidify during the heating season. (When outside air is less humid

than indoor air). If you are in a region where outdoor humidity levels are typically higher than indoor

humidity levels, a dehumidistat should not be used in this system.

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System Commissioning

This section of the manual is designed to be used with the “Commissioning of Integrated Combo

System” worksheet. The worksheet is designed to guide you through the start-up process in a logical,

step by step method which should minimize the work and time involved in having the system meet the

designed parameters.

The following conditions are assumed:

•

The air filter is in place

All supply diffusers and return grilles are fully open and unrestricted

Hot water is available to the furnace

The drain valve for the heating loop is closed

The shut off valves for the heating loop are fully open

The throttling valve for the heating loop (if applicable), is fully opened

Electrical power is available at the furnace

The return air temperature from the house is approximately 70˚F (21˚C)

Wat er Pump Performance Specificat ions

Mo d e l 4 0

Mo d e l 6 0

1 6

1 4

1 2

1 0

1 6

1 4

1 2

1 0

Capacity on U.S. gpm

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WORKSHEET FOR INTEGRATED COMBO SYSTEM DESIGN

Training Courses and Forms

are available from

HRAI Skill Tech Academy

1-800-267-2231

Designer/Signature: _____________________________________________________________________________

Phone ( ) _______________ Fax ( ) _______________

Date: D ______ M _______ Y _______

Submitted For: (Owner)

By: (Contractor)

Name _______________________________________

Address _____________________________________

City ______________________ Prov. _____________

Postal Code ________________

Name _______________________________________

Address _____________________________________

City ______________________ Prov. _____________

Postal Code ________________

Phone ( ) ____________ Fax ( ) ___________

DESIGNED EQUIPMENT

Back Flow Prevention Valve

Expansion Tank

DESIGNED EQUIPMENT (Cooling)

Central Air Conditioner

Heat Pump

Anti-scald Valve

VENTILATION SYSTEM (Integrated)

Throttle Valve

HRV

ERV

Other

Off Season Circulation Controls

Other

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Part A - DESIGN LOAD SPECIFICATIONS

A.1 Total Heat Loss _______________Btu/h

A.2 Total Heat Gain _______________Btu/h

Part B - EQUIPMENT SELECTION (Air Handler and Cooling)

AIR HANDLER:

Make: LIFEBREATH

Model: ____________

B.9 Water Supply Temperature

________ ^oF

B.1 Heating Output ________________________ Btu/h

(110% - 140% of A.1)

________ ^oF (min. 20 F)

B.10 Water Temperature Drop

[B.1 ÷ (500.4 x B.8)]

B.2 Equipment External Static Pressure ________ ins. W.C.

(from specs)

B.11 Water Return Temperature

________ ^oF

(B.9 - B.10)

B.3 Heating Air Flow Rate

________ cfm

B.4 Circulation Fan Speed (Heating) ________ speed

COOLING EQUIPMENT:

B.5 Return Air Temperature

________ ^oF

B.12 Cooling Output ________ (Btu/h) ________ tons

(80% - 125% of A.2)

B.6 Air Handler Temperature Rise

^[B.1÷ (1.08 x B.3)]

B.13 Manufacturers Flow Rate/Ton

B.14 Cooling Air Flow Rate

________ (cfm/ton)

________ cfm

B.7 Supply Air Temperature

________ ^oF

(B.5

B.6)

B.15 Circulation Fan Speed (Cooling) _______ speed

B.8 Water Supply Rate

________ US GPM

(from specs)

Part C - EQUIPMENT SELECTION (Water Heater)

DOMESTIC HOT WATER REQUIREMENTS:

SELECTED WATER HEATER:

Make: ________

Model: ________

C.1 Minimum Storage Capacity

________ USG

(from page 38, Method A)

C.4 Storage Capacity

________ USG

Note: Complete C.5 and C.6 only if C.2 was completed.

C.5 Recovery

________ USG

C.2 Minimum First Hour Rating

________ USG

C.6 First Hour Rating

________ USG

(from page 38, Method B)

(.85 x (C.4 + C.5))

(min. C.2)

C.7 Energy Factor (ef)

C.8 Burner Input

________

SPACE HEATING REQUIREMENTS:

________ Btu/h

________ %

________ Btu/h

C.3 Minimum Effective Water

C.9 Recovery Efficiency

Heater Output

________ Btu/h

(B.1 x 1.2)

C.10 Effective Water Heater Output

^{(C.8 x C.9}÷ 100)

(min. C.3)

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METHOD A - (domestic hot water usage for C.1)

TABLE A 1 (NATURAL GAS AND PROPANE)*

No. of Bathrooms

1 to 1.5

2 to 2.5

3 to 3.5

No. of Bedrooms

1**

Nominal Tank Size (USG)

TABLE A 2 (OIL)*

No. of Bathrooms

1 to 1.5

2 to 2.5

3 to 3.5

No. of Bedrooms

1**

Nominal Tank Size (USG)

Not suitable for luxury or high volume applications

If laundry is ensuite for a one bedroom dwelling, increase tank size to 40 USG

METHOD B - (domestic hot water usage for C.2)

Activity

Average Volume per usage - USG

Times used in Peak Hour

Peak hr Usage - USG

Shower

Hi-Flow (old)

Low-Flow (new)

5 min.

10 min.

15 min.

Bath Tub 1/2 full

Whirl Pool (60% tub cap.)

Personal Use

from manufacturer

Shampooing Hair

Clothes Washer hot/warm

warm/warm

warm/cold

Hand Dish Washing

Automatic Dish Washer

Food Preparation

Other

TOTAL (min. first hr. rating)

(transfer to C.2)

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PART D - PROVING REQUIRED WATER FLOW

D.1 Effective Length Calculation

Fitting

PUMP:

Total EL

D.2 Water Flow Rate

________ US GPM

________ ft of head

________________ _________ x ________ = ___________

D.3 Max. Head Press. at Water Flow

(from specs)

D.4 Pressure Drop of Water Coil

________ ft of head

D.5 Available Head Press.

________ ft of head

________ eff. ft

________ per 100 ft

________ in.

(D.3 - D.4)

D.6 Total Effective Length

(from D.1)

D.7 Head Loss /100 ft

^{(D.5 x 100}÷ D.6)

Measured (Actual) Length

Total Effective Length

___________

D.8 Pipe Diameter

(Table D 2)

TABLE D 1

EQUIVALENT LENGTHS FOR COPPER PIPE FITTINGS (straight pipe in feet)

FITTING

EQUIVALENT

LENGTH

FITTING

EQUIVALENT

LENGTH

Gate / Ball Valve (open)

Globe Valve (open)

Angle Valve (open)

Check Valve (open)

Balance Valve

long sweep 90^oelbow

45^oelbow

180^oclose return

standard tee (straight through)

standard tee (90^oturn)

contraction or enlargement

Standard Elbow

TABLE D 2

HEAD LOSS PER 100 FEET OF EQUIVALENT LENGTH

1/2" inside diameter

5/8" inside diameter

3/4" inside diameter

1" inside diameter

FLOW

HEAD LOSS

(US GPM)

(FT./100FT)

(FT./100FT.)

1.5

2.5

3.5

4.5

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COMMISSIONING OF INTEGRATED COMBO SYSTEM

Training Courses and Forms

are available from

HRAI Skill Tech Academy

1-800-267-2231

Designer/Signature: _____________________________________________________________________________

Phone ( ) _______________ Fax ( ) _______________

Date: D ______ M _______ Y _______

Submitted For: (Owner)

By: (Contractor)

Name _______________________________________

Address _____________________________________

City ______________________ Prov. _____________

Postal Code ________________

Name _______________________________________

Address _____________________________________

City ______________________ Prov. _____________

Postal Code ________________

Phone ( ) ____________ Fax ( ) ___________

INSTALLED EQUIPMENT

Water Heater make & model as designed

Air Handler make & model as designed

Cooling Unit make & model as designed

Filter type and size as designed

2 shut off valves for heating loop

Check Valve

Throttling Valve

Anti-scalding Valve

Back Flow Prevention Valve

Expansion Tank

Off Season Circulation Controls

Other

Drain Valve

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Part E - SYSTEM START UP

E.1 Fill Water Heater with water

E.2 Set Water Heater at designed temperature

E.3 Fill Heating Loop with water

E.4 Purge Circulation Pump

ꢀ

❑ꢀ

E.5 Start Air Handler

❑ꢀ

E.6 Check Circulation Pump Operation

E.7 Check Circulation Fan Operation

E.8 Label Water Heater

ꢀ

HRV BALANCING

Exhaust Air Flow

_______________________________

Fresh Air Intake Air Flow _______________________________

Back Draft Damper installed in Stale Air to Outside Duct

❑

Part F - SYSTEM COMMISSIONING

Design Information: (Information for this section can be found on the " Worksheet for Integrated Combo System Design" part B)

Total Heat Loss __________ Btu/h

Air Handler: output __________ Btu/h

Air Flow rate: __________ CFM

Eff. Water Heater output __________ Btu/h

Air Handler ESP: _________ ins. W.C.

Fan speed __________

Supply Air temp.: _______ ^oReturn Air temp.: ______ ^oF

Supply Water temp.: ______ ^oF

Return Water temp.: ______ ^oF

F.1 Supply Water Temp.

________ ^oF

F.6 Required Supply Air Temperature ________ ^oF

(measured)

(F.4 + F.5)

F.2 Air Handler Output

at F.1 Condition

F.7 Returned Water Temperature

________ ^oF

________ Btu/h

________ CFM

(measured)

________ ^oF (min. 20 F)

F.3 Air Handler Operating CFM

F.8 Water Temperature Difference

(from specs)

(F.1 - F.7)

F.4 Return Air Temperature

________ ^oF

F.9 Actual Supply Air Temperature

________ ^oF

(measured)

F.5 Required Air

Temperature Difference

(F.2 ÷ (F.3 x 1.08))

F.10 Anti-Scald Valve (if present)

Outlet Temperature

(measured)

________ ^oF

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511 McCormick Blvd.

London, Ontario N5W 4C8

Ph: (519) 457-1904

Fx: (519) 457-1676

Email: [email protected]

Website: www.lifebreath.com

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