Comfort Glow KWD155 User manual

1
VENT-FREE
AMBIENT FLAME
GAS WALL HEATER
MODEL #KWD155
KWD259
KWD379
KWG363
KWDB252
KWDB372
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.
Questions, problems, missing parts? Before returning to your retailer, call our
Technical Service Department at 800-776-9425.
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 supplier’s
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 8 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 liance.
C US
ANS Z21.11.2-2013
IMDFBFG2W - 2018-03-06
Gas Fired Room Heaters
Volume II - Unvented Room Heaters
®
Patent Pending Dual
Fuel System

2
WARNING: Read the Installation & Operating Instructions before using this appliance.
IMPORTANT: Read all instructions and warnings carefully before starting installation.
Failure to follow these instructions may result in possible injury to persons or a re
hazard and will void the warranty.
TABLE OF CONTENTS
Important Safety Information ............................................................................................................3
Product Features..............................................................................................................................5
Air For Combustion and Ventilation ..................................................................................................7
Installation ......................................................................................................................................10
Gas Conversion.............................................................................................................................. 11
Operation........................................................................................................................................18
Care and Maintenance...................................................................................................................22
Troubleshooting..............................................................................................................................23
Replacement Parts.........................................................................................................................28
Warranty.........................................................................................................................................29
PRODUCT SPECIFICATIONS
SERIES
MAX BTU 30,000 30,000
MIN BTU 15,000 24,000
Fuel Type Natural Gas Propane
Ignition
Manifold Pressure 5 in. W.C. 10 in. W.C.
Inlet Gas Pressure
Maximum 14 in. W.C. 14 in. W.C.
*Minimum (*For purposes of input adjustment) 6 in. W.C. 11 in. W.C.
Dimensions (in.)
( H x W x D)
Fan Ratings (Select Models)
Piezo Ignitor
KWD379
KWG363
KWDB372
120V/60Hz, 18W, 0.15A
24.41 in. x 28.15 in. x 10.24 in.
SERIES
MAX BTU 10,000 10,000 20,000 20,000
MIN BTU 5,000 8,000 10,000 16,000
Fuel Type Natural Gas Propane Natural Gas Propane
Ignition
Manifold Pressure 5 in. W.C. 10 in. W.C. 5 in. W.C. 10 in. W.C.
Inlet Gas Pressure
Maximum 14 in. W.C. 14 in. W.C. 14 in. W.C. 14 in. W.C.
*Minimum (*For purposes of input adjustment) 6 in. W.C. 11 in. W.C. 6 in. W.C. 11 in. W.C.
Dimensions (in.)
( H x W x D)
Fan Ratings (Select Models) 120V/60Hz, 18W, 0.15A 120V/60Hz, 18W, 0.15A
KWD155KWD259
KWDB252
20.08 in. x 17.32 in. x 9.06 in. 24.21 in. x 20.87 in. x 10.24 in.
Piezo Ignitor Piezo Ignitor

3
IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, operate,
or service this heater. Improper use of this heater can cause serious injury or death from burns, re,
explosion, electrical shock, and carbon monoxide poisoning.
IMPORTANT SAFETY INFORMATION
Installation and repair should be done by a qualied service person. The appliance should be
inspected before use and at least annually by a professional service person. More frequent
cleaning may be required due to excessive lint from carpeting, bedding material, etc. It
is imperative that control compartments, burners and circulating air passageways of the
appliance be kept clean.
WARNING: Any change to this heater or its controls can be dangerous.
WARNING: Carefully supervise young children when they are in the room with the heater.
WARNING: Heater becomes very hot when operating. Children and adults should be alerted
to the hazard of high surface temperatures and should stay away to avoid burns or clothing
ignition Heater will remain hot for a time after shutoff. Allow surfaces to cool before touching.
WARNING: Make sure any panel, safety screen or guard removed for servicing an appliance
is replaced prior to operating the heater
WARNING: Keep the appliance area clear and free from combustible materials, gasoline, and
other ammable vapors and liquids.
WARNING: Do not place clothing or other ammable material on or near the appliance. Never
place any objects on the heater.
WARNING: Due to high temperatures, locate this appliance out of trafc and away from
furniture and draperies.
This appliance is intended for supplemental heating.
This appliance can be used with propane or natural gas. It is shipped from the factory adjusted for
use with propane.
CARBON MONOXIDE POISONING: Early signs of carbon monoxide poisoning resemble the u with
headaches, dizziness, or nausea. If you have these signs, the heater may not be working properly. Get
fresh air immediately! Have heater serviced. Some people are more affected by carbon monoxide than
others. These include pregnant women, people with heart or lung disease, people who are
anemic, those under the inuence of alcohol, and those living in high altitudes.
NATURAL AND PROPANE/LP GAS: Natural and Propane/LP gases are odorless. An odor-making
agent is added to the gas. The odor helps you detect a gas leak. However, the odor added to the gas
can fade. Gas may be present even though no odor exists. Make certain you read and understand all
warnings. Keep this manual for reference. It is your guide to operating this heater safely.
If the heater is being installed in a residential garage, it must be secured rmly to the
wall, a minimum of 18 in. (457mm) above the oor. The heater must be located so that it
is protected against any possibility of damage by a moving vehicle, etc.
Raising the heater will reduce BUT NOT eliminate the possibility of lighting the vapor of any
ammable liquids which may be improperly stored or accidentally spilled. If the smell of
gasoline is present, do not operate this heater until the area has been properly ventilated.
WARNING:

4
SAFETY INFORMATION
1. Do not place Propane/LP supply tank(s) inside any structure. Place Propane/LP supply tank(s)
outdoors.
2. Only the KWN155 Series can be installed in a bedroom. When installing in a bedroom the heater
MUST be mounted to the wall (See Wall Mounting, Page 13). All other models cannot be installed
in a bedroom. These units are not approved for bathroom use.
3. This heater needs fresh air ventilation to run properly. This heater has an Oxygen Depletion Sensing
(ODS) safety shutoff system. The ODS shuts down the heater if not enough fresh air is available.
See Air for Combustion and Ventilation, pages 7 through 9. If heater keeps shutting off, see
Troubleshooting, pages 23 through 26.
4. Keep all air openings in front, top and bottom of heater free of objects and debris to ensure
adequate air for proper combustion.
5. If heater shuts off, do not relight until you have provided fresh, outside air. If heater keeps shutting
off, have it serviced.
6. Do not run heater:
• Where ammable liquids or vapors are used or stored.
• Under dusty conditions.
7. Before using furniture polish, wax, carpet cleaner, or similar products, turn heater and pilot off. If
heated, the vapors from these products may create a white powder residue within burner box or
on adjacent walls or furniture.
8. Do not use heater if any part has been under water. Immediately call a qualied service technician
to inspect the room heater and to replace any part of the control system and any gas control
which has been under water.
9. Turn off and unplug heater and let cool before servicing. Only a qualied service person should
service and repair heater.
10. To prevent performance problems, do not use propane/LP fuel tank of less than 100 lbs. capacity.
11. WARNING: Do not allow fans to blow directly into the heater. Avoid any drafts that alter
burner ame patterns.
12. WARNING: Do not operate heater if the tempered glass panel is not secured, broken, or
missing. Only replace the tempered glass panel with parts and/or components provided by
World Marketing of America, Inc.
13. SAVE THESE INSTRUCTIONS.
WARNING: Do not use any accessories not approved for use with this heater.
WARNING
This product and the fuels used to operate this product (liquid propane or natural gas), and the
products of combustion of such fuels, can expose you to chemicals including benzene, which is
known to the State of California to cause cancer and reproductive harm.
For more information go to www.p65Warnings.ca.gov