Job:

Engineer:

Contractor:

Prepared By:

 

 

Date:

Model:

 

 

Indoor/Outdoor:

MVB™ - Type H

Heating/Hot Water Supply Boilers Models H7 504-2004

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

ƒBronze Headers

ƒASME H Stamped

160 PSIG Working Pressure

ƒNational Board Approved

ƒFin Tubing

Copper – Standard

Cupro Nickel – Option A-3

ƒASME Powder-Coated Tube Sheet

ƒSilicone High Temp O-Rings

ƒASME Pressure Relief Valve

60 PSIG – Standard

PSIG – Optional

ƒTemperature and Pressure Gauge, Shipped Loose

ƒStainless Steel Evaporator Plate

Control

ƒ120V, 60Hz, 1Ø, Power Supply

ƒ120/24V 60Hz Transformer

ƒIgnition Module

3-Try – Standard

Single-Try – Option C-6

ƒHot Surface Ignition (HSI)

ƒRemote Flame Sensor

ƒHigh Limit, Manual Reset, Fixed, 240ºF

ƒOn/Off Power Switch

ƒFlow Switch

ƒBlocked Vent Pressure Switch

ƒCombustion Air Proving Switch

ƒPump Switch

ƒPump Time Delay

ƒDiagnostics Panel

ƒModulating Temperature Control

ƒWater Temperature Sensors (3)

Burner

ƒUltra-Low NOx: Less than 20 PPM

Gas Train

ƒFuel

Natural Gas

Propane

ƒZero Governor Regulator

ƒDual-Seat Combination Valve

ƒElectronic Modulating Firing Mode

Construction

ƒIndoor/Outdoor Construction

ƒFront Controls Enclosed

ƒPolyTuf Powder Coat Finish

ƒRear Connections (Water, Electrical, Gas, Vent, Combustion Air)

ƒDesign Certified ANSI Z21.13/ CSA 4.9

Venting

ƒVent Termination Cap

Outdoor - Option D-11

Indoor, Horizontal – Option D-15

Indoor, Vertical (by others)

ƒCombustion Air

In-Line Filter Kit – Option D-17

Air Intake Elbow – Option D-16

ƒExtractor – Optional

By others

Not required

Temperature Controllers

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

Y-281 Electronic Sequencer,

Up to 8 Boilers

Options

 

 

 

A-13

Air Vent, Auto, 150 PSI

F-10

Low Water Cut-Off, Remote Probe

I-1

High Limit, Auto Reset, Adj.,

 

 

 

100-240°F

 

I-2

High Limit, Manual Reset, Adj.,

 

 

 

100-240°F

 

P-

 

 

Pump:

 

HP, 120V, 1, 60Hz

 

 

Water Hardness:

 

GPG

 

 

Cast Iron

Bronze

 

 

Loose

Mounted

P-

Cold Water Start

 

 

 

 

Cold Water Run

 

 

P-

 

 

 

 

Low Gas Pressure Switch,

S-1

 

 

Manual Reset

 

 

S-2

High Gas Pressure Switch,

 

 

Manual Reset

 

 

Regulatory Agency Requirements

Catalog No.: 2000.364A

Effective: 8-15-07

Replaces: 6-15-07

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Raypak H7 504-2004 warranty Heat Exchanger, Burner, Gas Train, Construction, Venting, Temperature Controllers, Options