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Installation Instructions and Owner’s Manual

Unvented Natural Gas Fired Room Heater

Mr. Heater, Inc., 4560 W. 160

TH

 ST., CLEVELAND, OHIO 44135 · 800-251-0001

INSTALLER: Leave this manual with the appliance. 
CONSUMER: Retain this manual for future reference. 

UNVENTED NATURAL GAS FIRED ROOM HEATER

Blue Flame Heaters

MHVFBF10NG

Plaque Heaters 

MHVFRD10NG

OPERATING INSTRUCTIONS 

AND OWNER’S MANUAL

Model #

MHVFRD10NG
MHVFBF10NG

READ INSTRUCTIONS CAREFULLY:

 YOUR SAFETY IS IMPORTANT TO YOU AND TO OTHERS Read and 

follow all instructions. Place instructions in a safe place for future reference. Do not allow anyone who has 
not read these instructions to assemble, light, adjust or operate the heater.

 WARNING: If the information in this manual is not followed exactly, a fire or explosion 

may result causing  property damage, personal injury, or loss of life. 

 

-

Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any 
other appliance.

 

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WHAT TO DO IF YOU SMELL GAS

• 

Do not try to light any appliance.

• 

Do not touch any electrical switch; do not use any phone in your building.

•  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.

 

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Installation and service must be performed by a qualified installer, service agency or the gas supplier.

This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed. 
Provisions for adequate combustion and ventilation air must be provided. Refer to Fresh Air for 
Combustion and Ventilation section on page 4 of this manual. 

This appliance may be installed in an aftermarket permanently manufactured (mobile) home, 
where not prohibited by local codes. 
This appliance is only for use with the type of gas indicated on the rating plate. This appliance is 
not convertible for use with any other gas.

Содержание MHVFBF10NG

Страница 1: ...Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electr...

Страница 2: ...d of high surface temperature and should stay away to avoid burns or clothing ignition Young children should be carefully supervised when they are in the same room with heater A barrier designed to re...

Страница 3: ...ou provide fresh outside air If heater keeps shutting off it requires servicing 5 Turn off and let cool before servicing Only a qualified service person should service and repair heater 6 Do not run h...

Страница 4: ...y the method described in the National Fuel Gas Code ANSI Z223 1 NFPA 54 the International Fuel Gas Code or applicable local codes SAFETY DEVICE This heater has a pilot with an Oxygen Depletion Sensor...

Страница 5: ...Follow the National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts WARNING Rework worksheet adding the space of the a...

Страница 6: ...e 4 For convenience and efficiency install the heater Where there is easy access for operation inspection and service In the coldest part of the room CAUTION If you install the heater in a home garage...

Страница 7: ...ocations using 9 64 drill bit 2 Place mounting bracket onto wall Line up holes on each end of bracket with hole drilled in wall 3 Insert mounting screws through bracket and into wall studs 4 Tighten s...

Страница 8: ...res a 3 8 NPT National Pipe Thread inlet connection to the pressure regulator Use of floor mounting feet will require you to use a 3 8 NPT street elbow to make gas connection CAUTION Never connect hea...

Страница 9: ...gas meter 4 Check all connections and joints in gas supply piping system Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 5 Correct all leaks at once 6 Depressurize an...

Страница 10: ...go to the next step 5 Push in gas control know slightly and turn counterclockwise to PILOT IGN and depress for five 5 seconds Note The first time that the heater is operated after connecting the gas s...

Страница 11: ...rvicing it must be replaced prior to operating the heater WARNING Failure to keep the primary air opening s of the burner s clean may result in sooting and property damage CLEANING ODS PILOT AND BURNE...

Страница 12: ...hutoff valve not fully open Fully open equipment shutoff valve Thermocouple connection loose at control valve Hand tighten thermocouple nut until snug and then tighten 1 4 turn more Pilot flame not to...

Страница 13: ...sing odor causing products while heater is running Gas leak See WARNING statement at top of page 12 Locate and correct all leaks see Checking Gas Connections page 9 Heater shuts off in use ODS operate...

Страница 14: ...Y A QUALIFIED SERVICE AGENCY REPLACEMENT PARTS ORDERING INFORMATION PURCHASING Accessories may be purchased at any Mr Heater local dealer or direct from the factory FOR INFORMATION REGARDING SERVICE P...

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