Drying Tumblers
110 Pound Capacity
Keep These Instructions for Future Reference.
(If this machine changes ownership, this manual must accompany machine.)
Part No. D0582
September 2007
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Addendum A
Information in this manual is applicable to these models:
HD110
D0582
i
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IMPORTANT NOTES - PLEASE READ
For optimum efficiency and safety, we recommend that you read the manual before operating the equipment. Store this manual in a file
or binder and keep for future reference.
WARNING: Purchaser must post the following notice in a prominent location:
WARNING: For your safety, the information in this manual must be followed to minimize
the risk of fire or explosion or to prevent property damage, personal injury, or death.
- Do not store or use gasoline or other flammable liquids or vapors in the vicinity of this or
any other appliance.
- WHAT TO DO IF YOU SMELL GAS
•
•
•
•
Do not try to light any appliances.
Do not touch any electrical switch; do not use any phone in your building.
Clear the room, building, or area of all occupants.
Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's
instructions.
•
If you cannot reach your gas supplier, call the fire department.
Installation and service must be performed by a qualified installer, service agency or the gas
supplier.
WARNING: In the event the user smells gas odor, instructions on what to do must be posted in a
prominent location. This information can be obtained from the local gas supplier.
WARNING: Wear safety shoes to prevent injuries.
WARNING: Purchaser must post the following notice in a prominent location:
FOR YOUR SAFETY
Do not store or use gasoline or other flammable vapors
and liquids in the vicinity of this or any other appliance.
WARNING: A clothes dryer produces combustible lint and should be exhausted outside the
building. The dryer and the area around the dryer should be kept free of lint.
WARNING: Be safe, before servicing machine, the main power should be shut off.
Page 1
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IMPORTANT NOTES - PLEASE READ
WARNING: To avoid fire hazard, do not dry articles containing foam rubber or similar texture materials.
Do not put into this dryer flammable items such as baby bed mattresses, throw rugs, undergarments
(brassieres, etc.) and other items which use rubber as padding or backing. Rubber easily oxidizes causing
excessive heat and possible fire. These items should be air dried.
WARNING: Synthetic solvent fumes from drycleaning machines create acids when drawn through the
dryer. These fumes cause rusting of painted parts, pitting of bright or plated parts, and completely
removes the zinc from galvanized parts, such as the tumbler basket. If drycleaning machines are in the
same area as the tumbler, the tumbler's make-up air must come from a source free of solvent fumes.
WARNING: Do not operate without guards in place.
WARNING: Check the lint trap often and clean as needed but at least a minimum of once per day.
WARNING: Alterations to equipment may not be carried out without consulting with the factory and
only by a qualified engineer or technician. Only Manufacturer’s parts may be used.
WARNING: Remove clothes from dryer as soon as it stops. This keeps wrinkles from setting in and
reduces the possibility of spontaneous combustion.
WARNING: Be safe - shut main electrical power and gas supply off externally before attempting
service.
WARNING: Never use drycleaning solvents, gasoline, kerosene, or other flammable liquids in the dryer.
FIRE AND EXPLOSION WILL OCCUR. NEVER PUT FABRICS TREATED WITH THESE LIQUIDS
INTOTHEDRYER. NEVERUSETHESELIQUIDSNEARTHEDRYER.
WARNING: Do not place items exposed to cooking oils in your dryer. Items contaminated
with cooking oils may contribute to a chemical reaction that could cause a load to catch fire.
WARNING: Never let children play near or operate the dryer. Serious injury could occur if a child
should crawl inside and the dryer is turned on.
WARNING: Never tumble fiberglass materials in the dryer unless the labels say they are machine
dryable. Glass fibers break and can remain in the dryer. These fibers cause skin irritation if they
become mixed with other fabrics.
WARNING: Before operating gas ignition system - purge air from natural gas or propane gas lines
per manufacturer’s instructions.
WARNING: To reduce the risk of electric shock, disconnect this appliance from the power supply
before attempting any user maintenance other than cleaning the lint trap. Turning the controls to the
OFF position does not disconnect this appliance from the power supply.
Page 2
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IMPORTANT NOTES - PLEASE READ
ATTENTION: L’ACHETEUR DOIT PLACER L’AVERTISSEMENT
SUIVANT DANS UN ENDROIT CLAIR ET VISIBLE:
AVERTISSEMENT. Assurez-vous de bien
suivre les instructions donnees dans cette
notice pour reduire au minimum le risque
d’incendie ou d’explosion ou pour eviter tuot
dommage materiel, toute blessure ou la mort.
__ Ne pas entreposer ni utiliser d’essence ni
d’autres vapeurs ou liquides inflammables dans
le voisinage de cet appareil ou de tout autre
apparell.
__ QUE FAIRE SI VOUS SENTEZ UNE
ODEUR DE GAZ:
• Ne pas tenter d’allumer d’apparell.
• Ne touchez a aucun interrupteur. Ne pas
vous servir des telephones se trouvant dans
le batiment ou vous vous trouvez.
• Evacuez la piece, le batiment ou la zone.
• Appelez immediatement votre fournisseur de
gaz depuis un voisin. Suivez les instructions
du fournisseur.
• Si vous ne pouvez rejoindre le fournisseur
de gaz, appelez le service des incendies.
__ l’installation et l’entretien doivent etre assures
par un installateur ou un service d’entretien
qualifie ou par le fournisseur de gaz.
ATTENTION: L’ACHETEUR DOIT PLACER L’AVERTISSEMENT
SUIVANT DANS UN ENDROIT CLAIR ET VISIBLE:
POUR VOTRE SECURITE
Ne pas entreposer ni utiliser d’ essence
ni d’autres vapeurs ou liquides
inflammables dans le voisinage de cet
appareil ou de tout autre appareil.
Page 3
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TABLE OF CONTENTS
PAGE
ImportantNotices..............................................................................................................1-3
TableofContents ................................................................................................................. 4
CustomerService ................................................................................................................. 5
Warnings, Symbols ...........................................................................................................6-7
Unpacking/GeneralInstallation .............................................................................................. 8
GeneralDimensions .........................................................................................................9-11
DryerSpecifications .......................................................................................................12-13
ElectricalConnections......................................................................................................... 14
GasPiping .....................................................................................................................15-16
GasPipeSizeChart............................................................................................................ 17
GasPipingInstallation ......................................................................................................... 18
SteamPipingInstallation ................................................................................................19-20
ExhaustInstallation-MultipleExhaust ............................................................................21-23
DryerMake-upAirRequirements ....................................................................................... 24
ExhaustInstallation-SeparateExhaust ................................................................................ 25
DryerAirFlowInstallation .................................................................................................. 26
(C)CopyrightAllianceLaundrySystemsLLC
Allrightsreserved.Nopartofthecontentsofthisbookmaybereproducedortransmittedinanyformorbyanymeans
withouttheexpressedwrittenconsentofthepublisher.
Page 4
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CUSTOMERSERVICE
Ifliteratureorreplacementpartsarerequired,contactthesourcefromwhich
themachinewaspurchasedorcontactAllianceLaundrySystemsat(920)748-
3950forthenameandaddressofthenearestauthorizedpartsdistributor.
Fortechnicalassistance,call(920)748-3121.
Page 5
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SYMBOLS
Thefollowingsymbolsareusedinthismanualand/oronthemachine.
Symbol
Description
NOTE!
Hot! Do Not Touch
Heiß! NichtBeruhren
Haute temperature! Ne pas
toucher
Caliente! no tocar
dangerousvoltage
tensiondangereuse
Gefährliche elektrische
Spannung
tension peligrosa
on
marche
Ein
conectado
off
arrêt
Aus
desconectado
start
demarrage
Start
arranquedeunmovimiento
emission of heat in general
êmission de chaleur en
general
Warmeabgabeallgemein
emisióndecalor
cooling
refroidissement
Kühlen
enfriamiento
Page 6
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SYMBOLS
Description
Symbol
rotationintwodirections
rotation dans les deux sens
DrehbewigunginzweiRichtungen
movimientorotativoenlosdos
sentidos
directionofrotation
sens de mouvement continu de rotation
DrehbewegunginPfeilrichtung
movimientogiratorioorotatorio
en el sentido de la flecha
End of Cycle
caution
attention
Achtung
atencion;precaucion
Page 7
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UNPACKING/GENERAL INSTALLATION (ALL DRYERS)
UNPACKING
This dryer is packed in a large wooden crate.
Upon arrival of the equipment, any damage in shipment should be reported to
the carrier immediately.
Upon locating permanent location of a unit, care should be taken in movement
and placement of equipment.
See outline clearance diagrams for correct dimensions.
Remove all packing material such as: tape, manuals, skid, etc.
Leveling: Use spirit level on top of dryer. The use of shims are acceptable for
this procedure.
Check voltage and amperes on rating plate before installing the dryer.
On gear reducer models, remove screw and insert red vent attached to reducer.
The construction of the dryers permits installation side-by-side to save space
or to provide a wall arrangement. Position dryer for the least amount of exhaust
piping and elbows, and allow free access to the rear of dryer for future
servicing of belts, pulleys and motors. Installation clearance from all
combustable material is 12” (305 mm) ceiling clearance, 24” (610 mm) rear
clearance, and 0” side clearance.
GENERAL
INSTALLATION
(ALLDRYERS)
Before operating dryer, open basket door and remove blocking between front
panel and basket. Read the instruction tags, owner's manual, warnings, etc.
IMPORTANT
Opening the clothes loading door deactivates the door switch to shut off
the motors, fan, gas, steam, or electric element. To restart the dryer,
close the door and press in the push to start button for approximately 2
seconds.
IMPORTANT
This dryer is designed for a capacity maximum load. Overloading it will
result in long drying times and damp spots on some clothes.
IMPORTANT
Maximum operating efficiency is dependent upon proper air circulation.
The lint screen must be kept clean daily to insure proper air circulation
throughout the dryer.
IMPORTANT
Provide adequate clearance for air opening into the combustion chamber.
Page 8
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GENERAL DIMENSIONS - GAS DRYERS
ALLDIMENSIONSARE
+/- 1/4” (6.4 MM)AND
ARE SUBJECT TO
CHANGE WITHOUT
NOTICE
Page 9
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DRYER DIMENSIONS - STEAM MODEL
ALLDIMENSIONSARE
+/- 1/4” (6.4 MM)AND
ARE SUBJECT TO
CHANGE WITHOUT
NOTICE
Page 10
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DRYER DIMENSIONS - ELECTRIC MODEL
ALLDIMENSIONSARE
+/- 1/4” (6.4 MM)AND
ARE SUBJECT TO
CHANGE WITHOUT
NOTICE
Page 11
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SPECIFICATIONS
GENERAL
SPECIFICATIONSFOR
110 lb. DRYERS
Floor Space
Gas .........................................................67” Deep x 47” W x 89-1/8” H
(1702 mm x 1194 mm x 2264 mm)
Steam ......................................................67” Deep x 47” W x 93-3/4” H
(1702 mm x 1194 mm x 2382 mm)
Door Opening............................................31-1/4” diameter (794 mm)
Basket Size ................................................44” diameter x 42” Deep
(1118 mm x 1067 mm)
Basket Load Capacity ...............................110 lbs. (50 kg) dryweight
Basket Motor ............................................1 hp (.75 kW)
Fan Motor..................................................1-1/2 hp (1.12 kW)
Basket RPM
Reversing ................................................28 (3.2 reversals per minute)
Non-Reversing .......................................34
Exhaust Duct .............................................12” diameter (305 mm)
Maximum Air Displacement
Steam ......................................................2000 cfm (3400 m3/h)
Gas .........................................................2000 cfm (3400 m3/h))
Recommended Operating Range ..............1800-2000 cfm
(3060-3400 m3/h)
Net Weight (approximate)
Steam .....................................................1,614 lb. (733 kg)
Gas.........................................................1,515 lb. (688 kg)
Shipping Weight
Steam - 1 crate (approx.) .....................1,764 lb. (801 kg)
Gas - 1 crate (approx.) ........................1,665 lb. (756 kg)
ExportShippingDimensions .....................93”Lx53”Wx78”H-232.7cu. ft.
(2363 mm x 1347 mm x 1982 mm - 6.59 m³
BTU Input Rating.......................................250,000 Btu/h (63,000 kcal/h) (nat.,
mixed and mfg. gases) 250,000 Btu/h
(63,000 kcal/h) (propane and butane
gases)
Gas Supply.................................................3/4” (DN20) pipe connection
Electric Ignition ........................................Direct Spark Ignition System
Manifold Gas Pressure .............................3.5” w.c. (8.8 mbar) Max. (Nat. Gas);
11” w.c. (27.4 mbar) (LP Gas)
Drying Time (dry weight) .........................110 lb. (49.9 kg) (Indian Head)
(Approximate - testing
in laboratory) ........................................70% water retention - 25 min.
50% water retention - 22 min.
Page 12
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SPECIFICATIONS
STEAMHEATEDDRYERS
ONLY
Operating Steam Pressure ........................100 PSIG (6.9 bar) Max.
Boiler HP (w/normal ld.) (14FPI) ...........10.4 (7.76 kW)
(4-Coil) .....................................................7.87 (5.88 kW)
(6-Coil) .....................................................9.5 (5.88 kW)
Steam Coils ...............................................(2) 40-1/2”L x 15-3/4”H x 6”W
(2) (1029 mm x 401 mm x 153 mm)
Traps for Steam Heating Coils .................3/4” (20 mm) (DN20) (2)
Steam Supply Line ....................................3/4” (20 mm) (DN20)
Steam Return Line ....................................3/4” (20 mm) (DN20)
ELECTRICLAUNDRY
DRYER (see Electric Bonnet
Sheet)
Drying Time
(Dry Weight)
80 kW .....................................................110 lb. (49.9 kg) Indian Head cloth
(Approx. - teasting in lab.)
80 kW .....................................................70% water retention - 31 min.
50% water retention - 23 min.
Minimum Size
Heater Amps,
Motor Amps,
Control Amps,
Total Amperes
at Rated Voltage
Supply Wire
Based on 75° C
(167 F)
Branch
Circuit
Maximum
Fuse Size.
Rated Heater Input
HZ.
Insulated
Copper
Conductor
60kW @ 208V/3Ph.
60kW @ 240V/3Ph.
60kW @ 380-415V/3Ph.
60kW @ 480V/3Ph.
60kW @ 575V/3Ph.
174 Amps
152 Amps
89 Amps
77 Amps
63 Amps
60
60
50
60
60
000 MCM
00 MCM
2 AWG
200
175
110
90
3 AWG
4 AWG
80
Page 13
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ELECTRICAL CONNECTIONS (WITH GROUNDING INSTRUCTIONS
Dryers must be electrically grounded by a separate #14 or larger
ELECTRICAL
CONNECTIONS
FORALLDRYERS
green wire from the grounding terminal within the service connection
box, to a cold water pipe. In all cases, the grounding method must
comply with local electrical code requirements; or in the absence of
local codes, with the National Electrical Code, ANSI/NFPA 70 or
the Canadian Electrical Code, CA C22.1—Latest Edition.
See wiring diagram furnished with dryer. Your dryer is completely
wired at the factory and it is only necessary for the electrician to
connect the power leads to the wire connectors within the service
connection box on the rear of the dryer. Do not change wiring
without consulting the factory, as you may void the factory
warranty. DO NOT CONNECT THE DRYER TO ANY
VOLTAGEORCURRENTOTHERTHANTHATSPECIFIED
ON THE DRYER RATING PLATE. (Wiring diagram is located on
rear wall of dryer.)
All panels must be in position before operation of dryer.
«Attention. Lors des opérations d’entretien
des commandes, ètiqueter tous les fils avant
de les dèconnecter. Toute erreur de câblage
peut être une source de danger et de panne»
Page 14
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GAS PIPING
The size of the gas service pipe is dependant upon many variables,
such as tees, lengths, etc. Specific pipe size should be obtained from
the gas supplier. Refer to the Gas Pipe Size Chart in this manual for
general gas pipe size information.
GASSERVICE
INSTALLATION
INFORMATION
CAUTION
Gas loop piping must be installed as shown in Illustration, to
maintainequalgaspressureforalldryersconnectedtoasingle
gas service.
Other gas using appliances should be connected upstream
from the loop.
WARNING
(LIQUIFIEDPETROLEUMGASESONLY)
A Gas Pressure Regulator for Liquified Petroleum Gases is
not furnished on Gas Heated Clothes Dryers. This regulator
is normally furnished by the installer. In accordance with
American Gas Association (AGA) standards, a gas pressure
regulator, when installed indoors, must be equipped with a
vent limiter, or a vent line must be installed from the gas
pressure regulator vent to the outdoors.
Page 15
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GAS PIPING
Page 16
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GAS PIPE SIZE CHART
TOTAL BTU/HR
(for LP Gas correct
total BTU/HR below by
multiplying by .6)
GAS PIPE SIZE FOR 1000 BTU (250 KCAL) NATURAL GAS
AT 7” W.C. (17.5 MBAR) PRESSURE
TOTAL
KCAL
In figuring total length of pipe, make allowance for tees and elbows.
(25 ft.)
7,62 m
(50 ft.)
15,24 m
(75 ft.)
22,86 m
(100 ft.)
30,48 m
(125 ft.)
38,1 m
(150 ft.)
45,72 m
HOUR
15000
20000
3/4
3/4
3/4
3/4
3/4
3/4
1
3/4
3/4
3/4
1
3/4
3/4
1
3/4
1
3/4
1
3/4
1
60,000
80,000
25200
1
1
1
100,000
30200
1
1
1
1
120,000
35200
1
1
1
1
1 1/4
1 1/4
1 1/4
1 1/2
1 1/2
2
140,000
40300
1
1
1 1/4
1 1/4
1 1/4
1 1/2
1 1/2
2
1 1/4
1 1/4
1 1/4
1 1/2
1 1/2
2
160,000
45300
1
1
180,000
50400
1
1
1 1/4
1 1/4
1 1/2
1 1/2
2
200,000
75600
1
1 1/4
1 1/4
1 1/2
1 1/2
2
300,000
100800
126000
151200
176400
202000
230000
250000
270000
300000
330000
350000
380000
400000
430000
450000
480000
504000
550000
605000
650000
705000
750000
806000
850000
907000
960000
1000000
1 1/4
1 1/4
1 1/2
1 1/2
1 1/2
2
400,000
2
500,000
2
2
2
600,000
2
2
2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
3
700,000
2
2
2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
3
800,000
2
2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
3
900,000
2
2
2
1,000,000
1,100,000
1,200,000
1,300,000
1,400,000
1,500,000
1,600,000
1,700,000
1,800,000
1,900,000
2,000,000
2,200,000
2,400,000
2,600,000
2,800,000
3,000,000
3,200,000
3,400,000
3,600,000
3,800,000
4,000,000
2
2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
3
2
2
2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
3
2
3
2
3
3
2
3
3
2
3
3
3
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
3
3
3
3
3
3
3
3
3
3
3
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
4
3
3
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
4
3
3
3
3
3
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
4
3
3
3
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
3
4
3
3 1/2
3 1/2
3 1/2
3 1/2
4
3
4
4
3
4
4
3
4
4
4
Page 17
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GAS PIPING INSTALLATION
GASPIPING
INSTALLATION
1. The installation must conform to local codes or in absence of
local codes, with the National Fuel Gas Code, ANSI Z223.1
or the CAN/CGA-B149, Installation Codes.
2. Check with utilities for proper gas pressure and gas supply
line.
3. Check the altitude elevation of dryer.
4. The dryer and its individual shut-off valve must be
disconnected from the gas supply piping system at test
pressures in excess of 1/2 psig (.04 bar).
5. The dryer must be isolated from the gas supply piping system
by closing its individual manual shut-off valve during any
pressure testing of the gas supply piping system, at test
pressures equal to or less than 1/2 psig (.04 bar).
NATURALGASONLY
Check the gas pressure inlet supply to the dryer, 11”w.c.
(27.4bar)pressuremaximum.Checkthemanifoldpressure,
3.5”w.c. (8.8 bar) pressure inside the dryer.
CAUTION
Lowgaspressureandintermittentgaswillcausegasignition
problems and inadequate drying of the clothes load.
Page 18
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STEAM PIPING INSTALLATION
INSTALLATION
INSTRUCTIONS
1. Set and anchor dryer in position. Machine should be level to
assure proper steam circulation.
2. To prevent condensate draining from headers to dryer, piping
should have a minimum 12” (305 mm) above respective
header. Do not make steam connection to header with a
horizontal or downwardly facing tee or elbow.
3. Whenever possible, horizontal runs of steam lines must drain,
by gravity, to respective steam header. Water pockets, or an
improperly drained steam header will provide wet steam,
causing improper operation of dryer. If pockets or improper
drainage cannot be eliminated, install a bypass trap to drain
condensate from the low point in the steam supply header to
thereturn.
4. In both steam supply and steam return line, it is recommended
that each have a 3/4” (20 mm) union and 3/4” (20 mm) globe
valve. This will enable you to disconnect the steam
connections and service the dryer while your plant is in
operation.
5. Before connecting trap and check valve to dryer, open globe
valve in steam supply line and allow steam to flow through
dryer to flush out any dirt and scale from dryer. This will
assure proper operation of trap when connected.
6. After flushing system, install bucket trap (with built-in
strainer) and check valve. For successful operation of dryer,
install trap 18" (458 mm) below coil and as near to the dryer
as possible. Inspect trap carefully for inlet and outlet
markings and install according to trap manufacturer’s
instructions. If steam is gravity returned to boiler, omit trap
but install check valve in return line near dryer.
7. Install union and globe valve in return line and make final
pipe connections to return header.
PIPING
RECOMMENDATIONS
1. Trap each dryer individually. Always keep the trap clean and
in good working condition.
2. When dryer is on the end of a line of equipment, extend
header at least 4 feet (2 m) beyond dryer. Install globe valve,
union, check valve and bypass trap at end of line. If gravity
returned to boiler, omit trap.
3. Insulate steam supply and return line for safety of operator
and safety while servicing dryer.
4. Keep dryer in good working condition. Repair or replace any
worn or defective parts.
Page 19
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STEAM PIPING INSTALLATION (ILLUSTRATION)
Page 20
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EXHAUST INSTALLATION—MULTIPLE EXHAUST
For Exhaust Duct less than 14 feet and 2 elbows
equivalent and less than 0.6 inches static pressure.
DRYER EXHAUSTS
Areaofsection"A-A"mustbeequaltothesumofdryerexhaustpipesenteringmulipleexhaustpipe.
(See chart below.)
MODELS: HD110
No. of Dryers
1
2 3
4
5
6
7
8
9
10 11 12
DuctDiameter
(in inches)
(incm)
12 17 21 24 27 30 32 34 36 38 40 42
30 43 53 61 68 76 81 86 91 97 100 106
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DRYER INSTALLATION WITH MULTIPLE EXHAUST (ILLUSTRATION)
Page 22
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DRYER INSTALLATION WITH MULTIPLE EXHAUST
For Exhaust Duct more than 14 feet (5 m) and 2 elbows equivalent
and more than 0.3 inches (8 mm) static pressure.
EXHAUST
INSTALLATION—
MULTIPLEMANIFOLD
DUCT
1. Make-up air from outside building may enter enclosure from
top or side walls. (See Dryer Make-Up Air Requirements
Chart)
2. Use constant diameter duct with area equal to the sum of dryer
duct areas.
EXAMPLE: 6-8 in. (153-204 mm) diameter duct = 1-19.6 in.
(26-498 mm) diameter duct in area. Use 20 in. (508 mm)
diameter duct or diameter to match tube-axial fan.
3. Enclosure (plenum) with service door. This separates the
dryer air from room comfort air. If dryers use room air instead
of outside air, the heat loss can be another 25 Btu/h
(6.3 kcal/h) for each cubic foot per minute (cfm) used.
EXAMPLE: 110 lb. dryer, 2000 cfm (3400 m3/h) =
50,000 Btu/h (12,600 kcal/h) loss.
4. Zero inches clearance to combustible material allowed on
sides and at points within 4 inches (102 mm) of front on top.
5. Heat loss into laundry room from dryer fronts only is about
60 Btu/h (16 kcal/h) per square foot.
6. Flange mounted, belt driven tube-axial fan. Fan must run when
one or more dryers are running. See suggested Automatic
Electrical Control Wiring Diagram on page 23. Must meet
local electrical codes. Fan air flow (cfm) is equal to sum of
dryer air flows, but static pressure (SP) is dependent on length
of pipe and number of elbows.
7. Barometric bypass damper—Adjust to closed flutter position
with all dryers and exhaust fan running. Must be located within
enclosure.
CAUTION
Never install hot water heaters or other gas appliances in the
sameroomasdryers.Neverinstallcoolingexhaustfansinthe
same room as dryers.
CAUTION
Never exhaust dryers with other types of equipment.
Page 23
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RECOMENDED MINIMUM DRYER MAKE-UP AIR REQUIREMENTS
Dryer
Model
Dryer Pocket
Capacity
lb
MaximumAir Flow Duct Size For
Rate per Pocket Service Connection AirArea per Pocket
Required Make-up
kg
50
50
cfm
2200
850
m3/h
3740
1445
inch
12
8
mm
305
203
sq. inch cm2
HD110
HD110 E/S
110
110
422
163
2723
1052
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DRYER INSTALLATION WITH SEPARATE EXHAUST (PREFERRED)
DRYERINSTALLATIONWITHSEPARATEEXHAUST
(PREFERRED)
DRYERINSTALLATION
WITHSEPARATE
EXHAUST(PREFERRED)
For Exhaust Duct less than 14 feet (5 m) and 2 elbows equivalent
and less than 0.3 (8 mm) inches static pressure.
NEVER exhaust the dryer into a chimney.
NEVER install wire mesh screen over the exhaust or make-
up air area.
NEVER exhaust into a wall, ceiling, or concealed space.
1. Make-up air opening from outside the building may enter the
enclosure from the top or side walls. (See Dryer Make-Up
Air Requirements Chart)
2. Enclosure (plenum) with service door. This separates the
dryer air from the room comfort air. If dryers use room air
instead of outside air, the heat loss can be another 25 Btu/h
(6.3 kcal/h) for each cubic foot per minute (cfm) used.
EXAMPLE: A 125 lb. dryer with 2000 cfm (3400 m3/h) =
heat loss of 50,000 Btu/h (12,600 kcal/h).
3. Zero inches clearance to combustible material allowed on
sides and at points within 4 inches (102 mm) of front on top.
4. Heat loss into laundry room from dryer fronts only is about
60 Btu/h (15.2 kcal/h) per square foot.
Page 25
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DRYER AIR FLOW INSTALLATION
Nothing is more important than air flow for the proper operation of a clothes dryer. A dryer is
a pump which draws make-up air from the out-of-doors, through the heater, through the
clothes and then forces the air through the exhaust duct back to the out-of-doors. Just as in a
fluid water pump, there must be a fluid air flow to the inlet of the dryer, if there is to be the
proper fluid air flow out of the exhaust duct.
DRYER AIR FLOW
INSTALLATION
In summary, there must be the proper size out-of-doors inlet air opening (4-6 times the
combined areas of the air outlet) and an exhaust duct, size and length of which allows flow
through the dryer with no more than 0.3 inches water column (.8 mbar) static pressure in the
exhaust duct.
In some instances, special fans are required to supply make-up air, and/or boost exhaust fans
are required for both regular and energy saving models.
FOR BEST DRYING:
EXHAUST
DUCT
1. Exhaust duct maximum length 14 feet (5 m) of straight duct and maximum of two
90° bends.
2. Use 45° and 30° elbows wherever possible.
3. Exhaust each dryer separately.
4. Do not install wire mesh or other restrictions in the exhaust duct.
5. Use clean-outs in the exhaust duct and clean periodically when needed.
6. Never exceed 0.3 inches water column (.8 mbar) static pressure in the exhaust
duct without a booster fan.
7. Inside surface of the duct must be smooth.
8. Recommend pop rivets for duct assembly.
MAKE-UPAIR
FOR BEST DRYING:
1. Provideopeningtotheout-of-doorsinaccordancewiththefollowing:
For each dryer—
8 inches (204 mm) diameter exhaust requires 2 square feet (.1858 m²) make-up air.
12 inches (305 mm)diameter exhaust requires 4 square feet (.3716 m²) make-up
air.
2. Use barometric shutters in the inlet air opening to control air when dryers are not
running.
Other Recommendations
OTHERRECOMMENDATIONS
TROUBLESHOOTING
Toassurecompliance,consultlocalbuildingcoderequirements.
Troubleshooting
Hot dryer surfaces, scorched clothes, slow drying, lint accumulations, or air switch
malfunction are indicators of exhaust duct and/or make-up air problems.
Page 26
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