Job:
MVB™ - Type H
Heating/Hot Water Supply Boilers
Models H7 504-2004
Engineer:
Contractor:
Prepared By:
Model:
Date:
Indoor/Outdoor:
84% Thermal Efficiency at Full Rate
100% Factory Fire Tested
Maximum Outlet Water Temperature: 220°F
Minimum Acceptable Inlet Water Temperature: 120°F
Full Safety Diagnostics with History
Footprint: Less Than 5-1/2 ft2
Limited Twenty-Year Thermal Shock Warranty
Limited Ten-Year Heat Exchanger Warranty
Electronic Modulation, Constant Ratio 1.4:1 Turndown
TempTracker Mod Controller with LCD Display
Status Display Lights
Heat Exchanger
Burner
Temperature Controllers
ƒ Bronze Headers
ƒ ASME H Stamped
160 PSIG Working Pressure
ƒ National Board Approved
ƒ Fin Tubing
ƒ Ultra-Low NOx: Less than 20 PPM
B-36 Temp-Tracker Mod+ Digital
Controller, Up to 4 Boilers,
OA Reset
B-37 Temp-Tracker Mod+ Digital
Controller, Up to 10 Boilers,
OA Reset
B-38 Temp-Tracker Mod+ Digital
Controller, Up to 16 Boilers,
OA Reset
Y-241 Electronic Sequencer,
Up to 4 Boilers
Gas Train
ƒ Fuel
Natural Gas
Propane
ƒ Zero Governor Regulator
ƒ Dual-Seat Combination Valve
ƒ Electronic Modulating Firing Mode
Copper – Standard
Cupro Nickel – Option A-3
ƒ ASME Powder-Coated Tube Sheet
ƒ Silicone High Temp O-Rings
ƒ ASME Pressure Relief Valve
60 PSIG – Standard
PSIG – Optional
ƒ Temperature and Pressure Gauge,
Shipped Loose
Construction
ƒ Indoor/Outdoor Construction
ƒ Front Controls Enclosed
ƒ PolyTuf Powder Coat Finish
ƒ Rear Connections (Water, Electrical,
Gas, Vent, Combustion Air)
ƒ Design Certified ANSI Z21.13/
CSA 4.9
Y-281 Electronic Sequencer,
Up to 8 Boilers
Options
ƒ Stainless Steel Evaporator Plate
A-13 Air Vent, Auto, 150 PSI
F-10 Low Water Cut-Off, Remote Probe
Control
ƒ 120V, 60Hz, 1Ø, Power Supply
ƒ 120/24V 60Hz Transformer
ƒ Ignition Module
I-1
I-2
P-
High Limit, Auto Reset, Adj.,
100-240°F
High Limit, Manual Reset, Adj.,
100-240°F
Venting
ƒ Vent Termination Cap
Outdoor - Option D-11
Indoor, Horizontal – Option D-15
Indoor, Vertical (by others)
ƒ Combustion Air
In-Line Filter Kit – Option D-17
Air Intake Elbow – Option D-16
ƒ Extractor – Optional
By others
3-Try – Standard
Single-Try – Option C-6
ƒ Hot Surface Ignition (HSI)
ƒ Remote Flame Sensor
ƒ High Limit, Manual Reset, Fixed,
240ºF
ƒ On/Off Power Switch
ƒ Flow Switch
ƒ Blocked Vent Pressure Switch
ƒ Combustion Air Proving Switch
ƒ Pump Switch
Pump:
HP, 120V, 1∅, 60Hz
Water Hardness:
Cast Iron
GPG
Bronze
Mounted
Loose
P-
P-
Cold Water Start
Cold Water Run
S-1
Low Gas Pressure Switch,
Manual Reset
Not required
S-2
High Gas Pressure Switch,
Manual Reset
ƒ Pump Time Delay
ƒ Diagnostics Panel
Regulatory Agency Requirements
ƒ Modulating Temperature Control
ƒ Water Temperature Sensors (3)
Catalog No.: 2000.364A
Effective: 8-15-07
Replaces: 6-15-07
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