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Installation Instructions and Owner’s Manual
Unvented Natural Gas Fired Room Heater
UNVENTED NATURAL GAS FIRED ROOM HEATER
Blue Flame Heaters
Plaque Heaters
Model #
Burn Rate
Model #
Burn Rate
MHBF6NG
6,000 Btu/hr
MHIR10NG/HSIR10NG/TSIR10NG
10,000 Btu/hr
MHBF10NG/HSBF10NG/TSBF10NG
10,000 Btu/hr
MHIR20NGT/HSIR20NGT/TSIR20NGT
20,000 Btu/hr
MHBF20NGT/HSBF20NGT/TSBF20NGT
20,000 Btu/hr
MHIR30NGT/HSIR30NGT/TSIR30NGT
30,000 Btu/hr
MHBF30NGT/HSBF30NGT/TSBF30NGT
30,000 Btu/hr
ENERCO GROUP, INC., 4560 W. 160
TH
ST., CLEVELAND, OHIO 44135 · 216-916-3000
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.
- WHAT TO DO IF YOU SMELL GAS
• Shut off gas supply
• Do not try to light any appliance
• Do not touch an 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.
- Installation and service must be performed by a qualified installer, service agency, or the gas supplier.
WARNING
: This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed. Pro
-
visions for adequate combustion and ventilation air must be provided. Refer to Fresh Air for Combustion and
Ventilation section on page 3 of this manual.
WARNING
: Improper installation, adjustment, alteration, service or maintenance can cause injury or property
damage. Refer to this manual for correct installation and operational procedures. For assistance or additional
information consult a qualified installer, service agency, or gas supplier.
70574 Rev.
G
03/09
MHIR10NG/
HSIR10NG/
TSIR10NG
MHIR20NGT/
HSIR20NGT/
TSIR20NGT
MHBF30NGT/
HSBF30NGT/
TSBF30NGT
MHBF6NG/
MHBF10NG/
HSBF10NG/
TSBF10NG
MHIR30NGT/
HSIR30NGT/
TSIR30NGT
MHBF20NGT/
HSBF20NGT/
TSBF20NGT
INSTALLATION INSTrucTIONS
ANd OwNer’S MANuAL
reAd INSTrucTIONS cAreFuLLY:
Read and follow all instructions. Place instruc-
tions 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.
Installer: Leave this manual with the appliance. Consumer: Retain this manual for future reference.
Serial numbers on back cover.
