Mr. Heater MHVFRD30NGT - User Manual
Mr. Heater MHVFRD30NGT Heater – User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!; ARNINGS
- Page 3 – PRECA
- Page 4 – INST
- Page 5 – Ventilation Air
- Page 6 – INSTALLATION
- Page 9 – OPERATION; Electrical Wiring Diagram
- Page 10 – To Turn Off Gas To Appliance; PILOT FLAME PATTERN
- Page 11 – CLEANING AND MAINTENANCE; MAINTEN
- Page 12 – OUBLESHOO; • When igniter button is pressed in, there is no spark at pilot.; SYMPTOM; • Burner does not light after ODS/pilot is lit.; SYMPTOM; • Delayed ignition of burner.
- Page 13 – ODS/pilot lights but flame goes out when control knob is released.; Slight smoke or odor during initial operation.
- Page 14 – Heater produces unwanted odors.; Gas odor even when control knob is in OFF position .; Heater produces a whistling noise when burner is lit.
- Page 15 – REMEDY; Moisture/condensation noticed on windows.; CAUSE; Gas odor during combustion .; CAUSE
- Page 16 – PAR
- Page 20 – WARRANTY AND PARTS ORDERING; PARTS ORDERING INFORMATION; LIMITED WARRANTY; Model # MHVFRD20NGBT MHVFBF20NGBT; UNVENTED NATURAL GAS
MHVFRD20NGBT
(Blower Included)
Blue Flame Heaters
Plaque Heaters
MHVFBF20NGBT
(Blower Included)
MHVFRD30NGBT
(Blower Included)
MHVFBF30NGBT
(Blower Included)
MHVFRD20NGT
(Blower Sold Separate)
MHVFBF20NGT
(Blower Sold Separate)
MHVFRD30NGT
(Blower Sold Separate)
MHVFBF30NGT
(Blower Sold Separate)
OPERATING INSTRUCTIONS AND OWNER’S MANUAL
READ INSTRUCTIONS CAREFULLY:
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.
www.mrheater.com
800-251-0001
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
Model # MHVFRD20NGBT MHVFBF20NGBT
MHVFRD20NGT MHVFBF20NGT
MHVFRD30NGBT MHVFBF30NGBT
MHVFRD30NGT MHVFBF30NGT
UNVENTED NATURAL GAS
FIRED ROOM 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.
-
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.
-
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 in-
stalled. 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 appli-
ance is not convertible for use with any other gas.
"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.
Summary
2 Mr. Heater | Unvented Natural Gas Fired Room Heater Operating Instructions and Owner’s Manual NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! WARNING: Do not use a blower insert, heat exchanger inser...
3 Operating Instructions and Owner’s Manual Mr. Heater | Unvented Natural Gas Fired Room Heater Specifications MODEL MHVFRD20NGBT, MHVFRD20NGT MHVFRD30NGBT, MHVFRD30NGT MHVFBF20NGBT, MHVFBF20NGT MHVFBF30NGBT, MHVFBF3NGT BTU (Available) 18,000 30,000 20,000 30,000 Type of Gas Natural Gas Only Natural...
4 Mr. Heater | Unvented Natural Gas Fired Room Heater Operating Instructions and Owner’s Manual NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! Control Knob Igniter Button Fan Blower Switch* (located o...
