Table of Contents
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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.
INSTALLER: Leave this manual with the appliance. CONSUMER: Retain this manual for future reference.
UNVENTED LP-GAS FIRED ROOM HEATER
Plaque Heaters
MHVFRD20 LPBT
(BLOWER INCLUDED)
MHVFRD20T LPT
(BLOWER SOLD SEPARATE)
MHVFRD30 LPBT
(BLOWER INCLUDED)
MHVFRD30T LPT
(BLOWER SOLD SEPARATE)
WARNING: If the information in this manual is not followed exactly, a fi re or explosion may result causing
property damage, personal injury, or loss of life.
- Do not store or use gasoline or other fl ammable 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 fi re department.
- Installation and service must be performed by a qualifi ed installer, service agency, or the gas supplier.
WARNING: This is an unvented gas-fi red 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.
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 qualifi ed installer, service agency, or gas supplier.
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.
OPERATING INSTRUCTIONS
AND OWNER'S MANUAL
MR. HEATER, INC., 4560 W. 160
TH
ST., CLEVELAND, OHIO 44135 · 800-251-0001
Blue Flame Heaters
MHVFBF20 LPBT
(BLOWER INCLUDED)
MHVFBF20 LPT
(BLOWER SOLD SEPARATE)
MHVFBF30TB LPBT
(BLOWER INCLUDED)
MHVFBF30T LPT
(BLOWER SOLD SEPARATE)
2016 - CB
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Table of Contents
Related Manuals for Mr. Heater MHVFBF20 LPT
Summarization of Contents
Fresh Air for Combustion and Ventilation
Establishing Adequate Ventilation
Guidelines for ensuring sufficient air for proper combustion and ventilation.
Ventilation Air
Ventilation from Inside Building
Methods for providing ventilation air from adjoining unconfined spaces.
Ventilation from Outdoors
Ways to provide fresh air directly from outdoors to the space.
Installation
Locating Heater
Guidance on selecting the optimal placement for the heater.
Check Gas Type
Verify that the gas supply is compatible LP-gas.
This Installation Requires
List of necessary items and preparations before installation.
Fastening Heater to Wall
Instructions for securely mounting the heater to a wall.
Floor Mounting Away From Wall
Procedures for installing the heater on the floor.
Connecting to Gas Supply
Steps for safely connecting the heater to the gas source.
Checking Gas Connections
Procedures for verifying gas line integrity and leak detection.
Pressure Testing Gas Supply Piping System
Methods for testing the gas supply system for leaks.
Operating Your Heater
For Your Safety Read Before Lighting
Crucial safety precautions and steps before igniting the heater.
What to Do If You Smell Gas
Emergency procedures to follow in case of a gas leak.
Lighting Instructions
Step-by-step guide for safely lighting the pilot and main burner.
Thermostat Control Operation
Explanation of how the thermostat controls heating levels.
To Turn Off Gas to Appliance
Steps for safely shutting down the heater and gas supply.
Inspecting Burner
Guidance on checking pilot and burner flame patterns.
Pilot Flame Pattern
Visual guide to correct and incorrect pilot flame configurations.
Cleaning and Maintenance
Cleaning ODS/Pilot and Burner
Procedures for cleaning the Oxygen Depletion Sensor, pilot, and burner.
Cleaning Burner Pilot Air Hole Inlet
Instructions for cleaning the pilot air inlet for proper function.
Cleaning Heater Cabinet
Methods for cleaning the exterior and interior air passageways.
Troubleshooting
What to Do If You Smell Gas
Emergency steps for gas leaks encountered during troubleshooting.
Parts List and Diagram
Parts List and Diagram for MHVFBF20TB LP / MHVFBF20T LP
Detailed list and illustration of components for specific models.
Parts List and Diagram
Parts List and Diagram for MHVFBF30TB LP / MHVFBF30T LP
Detailed list and illustration of components for specific models.
Parts List and Diagram
Parts List and Diagram for MHVFRD20TB LP / MHVFRD20T LP
Detailed list and illustration of components for specific models.
Parts List and Diagram
Parts List and Diagram for MHVFRD30TB LP / MHVFRD30T LP
Detailed list and illustration of components for specific models.
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