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MrHeater MHVFDF20BFT Operating Instructions And Owner's Manual

MrHeater MHVFDF20BFT Operating Instructions And Owner's Manual

Universal unvented room heater
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NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING!
OPERATING INSTRUCTIONS AND OWNER'S MANUAL
UNIVERSAL
UNVENTED
ROOM HEATER
Model # MHVFDF20RTT MHVFDF20BFT
MHVFDF30RTT
Plaque Heaters
MHVFDF20RTT
MHVFDF30RTT
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 propane or natural gas.
This appliance is equipped with a simple means to switch between propane and natural gas.
Field conversion by any other means including the use of a kit is not permitted.
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.
MHVFDF30BFT
Blue Flame Heaters
MHVFDF20BFT
MHVFDF30BFT
www.mrheater.com
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
WARNING: Do not attempt to access
or change the setting of the fuel selection
means.
Access to and adjustment of the fuel
selection means must only be performed by
a qualified service person when connecting
this appliance to a specified fuel supply at
the time of installation.
Change of the selector setting to other
than the fuel type specified at the time of
installation could damage this appliance and
render it inoperable.
The installer shall replace the access cover
before completing the installation and
operating this appliance.
800-251-0001

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Summary of Contents for MrHeater MHVFDF20BFT

  • Page 1 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! OPERATING INSTRUCTIONS AND OWNER’S MANUAL UNIVERSAL UNVENTED ROOM HEATER INSTALLER: Leave this manual with the appliance. Model # MHVFDF20RTT MHVFDF20BFT CONSUMER: Retain this manual for future reference. MHVFDF30RTT MHVFDF30BFT Plaque Heaters Blue Flame Heaters...
  • Page 2 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! WARNING: Due to high temperatures, WARNING: FIRE, heater should be kept out of EXPLOSION, AND Do not use a blower insert, traffic and away from furniture ASPHYXIATION HAZARD heat exchanger insert or other...
  • Page 3 In order to provide the best service possible Mr. Heater is now giving you more ways to get in touch with us: Warnings WEBSITE: Mr. Heater’s full line of product are now at: www.mrheater.com Specifications FACEBOOK: Find us on Facebook TWITTER: Find us on twitter YouTube: There are now informational videos on Youtube.
  • Page 4 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! Carbon Monoxide Poisoning: Local Codes Product Features Early signs of carbon monoxide poisoning Install and use heater with care. Igniter Control resemble the flu, with headaches,...
  • Page 5 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! Confined Space and Unconfined Example: Space Gas water heater 40,000 Btu/ The National Fuel Gas Code, NFPA (30.5 cm) 12” 54/ ANSI Z223.1 defines a confined Vent Free Heater + 20,000 Btu/...
  • Page 6 In a bedroom or bathroom connection. Purchase a CSA/AGA CAUTION: If you install the heater (MHVFDF20RTT, MHVFDF30RTT, certified equipment shutoff valve from in a home garage: MHVFDF20BFT, MHVFDF30BFT) your dealer. • Heater pilot and burner must be • In a recreational vehicle .
  • Page 7 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! Installing Bottom Mounting Screws Attaching to Wall Stud See clearance 1. Locate two bottom mounting holes. This way is the best providing the specs on Pg.
  • Page 8 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! Connecting to Gas Supply DUAL FUEL CAPABILITY HEATER CABINET This appliance can be used with propane or natural gas. The factory 3/8”...
  • Page 9 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! PRESSURE TESTING GAS SUPPLY Pressure Testing Heater Gas PIPING SYSTEM Connections Open 1. Make sure that the heater supply High Pressure piping system is connected and has Test pressure in Excess of ½...
  • Page 10 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! Lighting Instructions To Turn Off Gas To Appliance 1. STOP! Read the all safety information SHUTTING OFF HEATER: included with and on the side of 1.
  • Page 11 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! CLEANING AND MAINTENANCE CLEANING HEATER CABINET Pilot Air Inlet Hole For maintenance of the inside cabinet Air passageways or to access the burner and pilot •...
  • Page 12 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NOTE: All troubleshooting items are WARNING: If you smell gas: WARNING: Only a qualified service listed in order of operation and likely person should service and repair heater.
  • Page 13 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! SYMPTOM • Burner backfiring during operation. REMEDY CAUSE 1. Burner orifice is clogged or damaged. 1. Clean burner orifice (see Cleaning and Maintenance on page 11), or replace burner orifice.
  • Page 14 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! SYMPTOM • Heater produces unwanted odors. CAUSE REMEDY 1. Heater burning vapors from paint, hair spray, glues, etc. 1. Ventilate room. Stop using odor-causing products while See IMPORTANT statement on Page 12.
  • Page 15 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! THIS PAGE INTENTIONALLY LEFT BLANK Installation Instructions and Owner’s Manual Mr. Heater | Universal Unvented Room Heater...
  • Page 16 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! Mr. Heater • Universal Unvented Room Heater • Model # MHVFDF20BFT Item Part No. Description Item Part No. Description...
  • Page 17 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! Mr. Heater • Universal Unvented Room Heater • Model # MHVFDF20RTT Item Part No. Description Item Part No. Description 80094 Wire Guard (Barrier) T-Connection...
  • Page 18 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! Mr. Heater • Universal Unvented Room Heater • Model # MHVFDF30BFT Item Part No. Description Item Part No. Description 80123 Wire Guard (Barrier) 80213...
  • Page 19 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! Mr. Heater • Universal Unvented Room Heater • Model # MHVFDF30RTT Item Part No. Description Item Part No. Description 80041 Wire Guard (Barrier) Bushing 2...
  • Page 20 NEVER LEAVE THE HEATER UNATTENDED WHILE BURNING! WARRANTY AND PARTS ORDERING UNIVERSAL UNVENTED ROOM HEATER Model # MHVFDF20RTT MHVFDF20BFT MHVFDF30RTT MHVFDF30BFT WARNING: USE ONLY MANUFACTURER’S REPLACEMENT PARTS. USE OF ANY OTHER PARTS COULD CAUSE INJURY OR DEATH. REPLACEMENT PARTS ARE ONLY AVAILABLE DIRECT FROM THE FACTORY AND MUST BE INSTALLED BY A QUALIFIED SERVICE AGENCY.

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