Table of Contents
Advertisement
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
Advertisement
Table of Contents
Related Manuals for Mr. Heater MHVFBF20 LPBT
Summarization of Contents
Mr. Heater Unvented LP-Gas Heater Manual
Introduction and Safety Warnings
Overview of the manual and critical safety warnings for heater operation.
Product Model Identification
Lists available Plaque and Blue Flame heater models.
Critical Safety and Operational Guidelines
General Safety Precautions
Essential safety rules for operating the heater to prevent injury or fire.
External Regulator Requirement
Mandatory requirement for an external propane regulator.
Heater Specifications and Precautions
Technical Specifications Table
Detailed technical data including BTU, gas type, pressure, and clearances.
Operating Precautions and Hazards
Guidelines on safe operation, carbon monoxide, and gas handling.
Installation Fundamentals and Ventilation
Product Features and Safety Devices
Overview of heater features like ODS, ignition, thermostat, and blower.
Ventilation and Space Requirements
Ensuring adequate fresh air for combustion and ventilation.
Determining Location Space and Ventilation Air
Classifying Heater Location Space
Method to determine if space is confined or unconfined.
Ventilation Air Options and Calculations
Providing necessary fresh air for combustion and ventilation.
Heater Installation and Placement
Installation Requirements and Gas Type
Checks and items needed before installation, confirming LP gas.
Heater Location and Placement
Guidance on where to safely install the heater and prohibited locations.
Wall Mounting Procedures
Mounting Bracket Installation
Steps for attaching the mounting bracket to the wall.
Clearances and Front Panel Removal
Maintaining proper clearances and removing the front panel.
Mounting Options and Gas Supply Connection
Floor Mounting Instructions
Steps for installing support feet for floor mounting.
Connecting to Gas Supply
Initial steps and warnings for connecting the gas supply.
Gas Piping and Pressure Testing
Gas Supply Piping Requirements
Details on pipe types, shutoff valves, and sediment traps.
Pressure Testing Procedures
Methods for testing gas connections for leaks.
Operation Preparation and Safety Checks
Electrical Wiring and Gas Leak Checks
Wiring diagram overview and final gas leak verification.
Pre-Lighting Safety Procedures
Safety steps before lighting and actions if gas is detected.
Heater Lighting and Operation Control
Pilot and Burner Lighting Instructions
Step-by-step guide for lighting the pilot and main burner.
Thermostat Control and Shutdown
Operating the thermostat and procedures for turning off the heater.
Cleaning and Routine Maintenance
Cabinet and Airway Cleaning
Instructions for cleaning the heater cabinet and air passages.
Pilot and Burner Assembly Cleaning
Cleaning the ODS/pilot and burner air inlet for optimal performance.
Troubleshooting: Ignition and Pilot Issues
No Spark or Pilot Ignition Failure
Resolving issues where the ignitor produces no spark or pilot fails.
Pilot Outage After Ignition
Diagnosing and fixing problems where the pilot light goes out.
Troubleshooting: Burner and Operational Problems
Burner Not Lighting or Backfiring
Addressing issues like delayed ignition, backfiring, or burner failure.
Odor, Shutdown, and Air Supply Issues
Resolving odors, ODS shutdowns, gas leaks, and air supply problems.
Parts List and Diagram: MHVFBF20T Models
MHVFBF20T Component Identification
List of part numbers for MHVFBF20T models.
MHVFBF20T Exploded View Diagram
Visual representation of MHVFBF20T model parts.
Parts List and Diagram: MHVFBF30T Models
MHVFBF30T Component Identification
List of part numbers for MHVFBF30T models.
MHVFBF30T Exploded View Diagram
Visual representation of MHVFBF30T model parts.
Parts List and Diagram: MHVFRD20T Models
MHVFRD20T Component Identification
List of part numbers for MHVFRD20T models.
MHVFRD20T Exploded View Diagram
Visual representation of MHVFRD20T model parts.
Parts List and Diagram: MHVFRD30T Models
MHVFRD30T Component Identification
List of part numbers for MHVFRD30T models.
MHVFRD30T Exploded View Diagram
Visual representation of MHVFRD30T model parts.
Service, Replacement Parts, and Warranty
Ordering Replacement Parts and Service
Information on how to order parts and obtain service.
Limited Warranty Details
Terms and conditions of the product's limited warranty.
Need help?
Do you have a question about the MHVFBF20 LPBT and is the answer not in the manual?
Questions and answers