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Dyna-Glo BF20DTL-4 - User Manual

Dyna-Glo BF20DTL-4
60 pages
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1
VENT-FREE
BLUE FLAME
GAS WALL HEATER
MODEL #BF10DTL-4
BF20DTL-4
BF30DTL-4
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
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.
WARNING: This appliance is equipped for
Natural and Propane gas. Field conversion is
not permitted.
- Do not store or use gasoline or other ammable vapors and Iiquids in 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 suppliers
instructions.
If you cannot reach your gas supplier, call the re department.
- Installation and service must be performed by a qualied installer, service agency or the
gas supplier.
This is an unvented gas-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 Air For Combustion and Ventilation section on page 7 through 9 of this manual.
This appliance may be installed in an aftermarket, permanently located, 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.
C US
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 qualied service person
when connecting this appliance to a specied fuel
supply at the time of installation.
Change of the selector setting to other than the fuel type
specied 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.
C US
ANS Z21.11.2-2016
Gas Fired Room Heaters
Volume II - Unvented Room Heaters
Questions, problems, missing parts? Before returning to your retailer, call our customer
service department at 1-877-447-4768, 8:30 a.m. – 4:30 p.m., CST, Monday – Friday or
email us at customerservice@ghpgroupinc.com.
IMDFBFL4 - 2018-07-20
Patent Pending Dual
Fuel System

Questions and Answers

  • E
    Evelyn BrownSep 12, 2025
    Why do I smell gas from my Dyna-Glo BF20DTL-4 Gas Heater when it's off?
    • J
      Jennifer CooperSep 12, 2025
      If you smell gas even when the control knob of your Dyna-Glo Gas Heater is in the OFF position: * There could be a gas leak. Locate and correct all leaks. * The control valve may be defective. Contact customer service.
  • R
    Rose DiazSep 12, 2025
    Why is the fan on my Dyna-Glo Gas Heater so loud?
    • K
      Kim WilliamsSep 12, 2025
      If the fan in your Dyna-Glo Gas Heater (select models) is making a loud noise: * The fan housing or blades may be dirty. See "Cleaning Fan". * The fan rotation might be blocked. Verify wiring is not in the fan path. * The fan might be defective. Replace the fan.
  • S
    Sandy AdamsSep 14, 2025
    Why isn't the fan spinning on my Dyna-Glo Gas Heater?
    • S
      sweeneysabrinaSep 14, 2025
      If the fan is not spinning on your Dyna-Glo Gas Heater (select models), consider the following: * There is no power to the fan. Verify the fan is plugged in and set to "MAN" or "AUTO". * The fan is set to "AUTO". Allow 5-10 minutes for the fan to engage. * The fan motor is bad. Replace the fan.
  • T
    Todd HodgesSep 16, 2025
    Why is my Dyna-Glo BF20DTL-4 Gas Heater smoking during first use?
    • C
      clarkmicheleSep 17, 2025
      If you notice slight smoke or odor during the initial operation of your Dyna-Glo Gas Heater, it's likely due to residues from the manufacturing process. This problem should stop after a few hours of operation.
  • D
    daniellebutlerNov 18, 2025
    Why does my Dyna-Glo Gas Heater shut off after a few minutes?
    • T
      Thomas RosalesNov 18, 2025
      If your Dyna-Glo Gas Heater shuts off after running for a few minutes, here's what might be happening: 1. The gas supply may be turned off or the equipment shutoff valve is closed. In this case, turn on the gas supply or open the equipment shutoff valve. 2. The control knob may not be fully pressed in while pressing the ignitor module. Make sure to fully press in the control knob while pressing the Piezo Ignitor. 3. There might be air in the gas lines from when it was installed. To fix this, continue holding down the control knob and repeat the igniting operation until the air is removed. 4. The ODS / pilot could be clogged. You can try to clean the ODS/pilot or replace the ODS/ pilot assembly. 5. The gas regulator setting may not be correct. Consider replacing the gas regulator. 6. ...

Summary

Important Safety Information

General Safety Warnings

Critical safety precautions for operation, installation, and handling, including fire, explosion, and hot surfaces.

Carbon Monoxide Poisoning Awareness

Information on recognizing and preventing carbon monoxide poisoning symptoms and risks.

Fuel Gas Properties and Handling

Guidance on safe handling of fuel gases like propane and natural gas, and leak detection.

Product Features

Safety Pilot System

Details the Oxygen Depletion Sensing (ODS) safety shutoff system for preventing dangerous conditions.

Dual Fuel Capability

Information on the heater's ability to operate on propane or natural gas, including conversion.

Ignition and Control Systems

Explains the electronic push button ignition system and thermostat heat control features.

Optional Accessories

Describes optional accessories like leg kits and fan kits for enhanced functionality.

Preparing for Installation

Unpacking and Parts Verification

Steps for unpacking the heater and verifying all parts are present and undamaged.

Air for Combustion and Ventilation

Guidelines for providing adequate air for combustion and ventilation as per codes.

Determining Fresh-Air Flow Requirements

Worksheet to determine if the installation space is confined or unconfined and its ventilation needs.

Ventilation Air Supply Methods

Explains methods for supplying ventilation air from inside or outside the building.

Installation

Clearances to Combustibles

Minimum required clearances from the heater to combustible materials for safe operation.

Gas Selection and Conversion

Instructions for selecting and converting the gas type (propane/natural gas) using the selector valve.

Ignitor Battery and Fan Installation

Steps for installing the ignitor battery and the optional fan accessory.

Heater Mounting Procedures

Instructions for mounting the heater on the floor or securely to the wall.

Mounting Bracket Attachment Methods

Procedures for securely attaching the mounting bracket to the wall via studs or expansion brackets.

Connecting to Gas Supply

Guidelines and precautions for connecting the heater to the gas supply line, including pipe size.

Checking Gas Connections

Procedures for testing gas connections for leaks using a soap solution.

Operation

Lighting Instructions

Step-by-step guide for safely lighting the pilot and main burner.

Thermostatic and Manual Control

Operation of thermostatic and manual gas control modes for heat adjustment.

Pilot and Burner Flame Patterns

Visual guides and checks for correct pilot and burner flame patterns.

Care and Maintenance

Cleaning ODS;Pilot and Burners

Instructions for cleaning the ODS/pilot assembly and burner ports for optimal performance.

Cleaning Air Passageways and Fan

Procedures for cleaning cabinet air passageways and the optional fan.

Cleaning Exterior Surfaces

Instructions for cleaning the heater's exterior cabinet to maintain appearance.

Troubleshooting

Ignition and Shutoff Issues

Solutions for problems like no ignitor spark or unit shutting off shortly after ignition.

Flame and Odor Problems

Diagnosing and resolving issues related to flame appearance, gas odors, and delayed ignition.

Fan Operation Problems

Troubleshooting steps for fan issues, including not spinning or making noise.

Qualified Installing Agency

Definition and responsibilities of a qualified agency for installation and service.

Replacement Parts List

Warranty

Warranty Service Information

Contact information and procedures for obtaining warranty service for the product.

Warranty Registration Process

Instructions for registering the product warranty online or via mail within 14 days.

Dyna-Glo BF20DTL-4 Specifications

General IconGeneral
ModelBF20DTL-4
BTU Output20, 000 BTU
Fuel TypePropane
Heating Area450 sq. ft.
Oxygen Depletion Sensor (ODS)Yes
Tip-Over Shut-Off SwitchYes
Ventilation RequiredYes
Ignition TypePiezo Ignition

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