Comfort Glow KWD155 Manual Download Page 1

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 flammable 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 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 

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 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 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

Summary of Contents for KWD155

Page 1: ...his is an unvented gas fired 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 Ve...

Page 2: ......

Page 3: ...tion 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 P...

Page 4: ...bjects on the heater WARNING Due to high temperatures locate this appliance out of traffic and away from furniture and draperies This appliance is intended for supplemental heating This appliance can...

Page 5: ...ter 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 Im...

Page 6: ...warmed air into the space more rapidly NOTE This is an optional accessory and is not required for operation of the heater State of Massachusetts The installation must be made by a licensed plumber or...

Page 7: ...duces approximately one 1 ounce 30 mL of water for every 1 000 BTUs 3 Kw of gas input per hour An unvented room heater is intended as a supplemental heater rather than a primary heat source In most su...

Page 8: ...unconfined space This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air Adjoining rooms are...

Page 9: ...TU hr Example Gas heater logs __________BTU hr Gas water heater 30 000 BTU hr Other gas appliances ____BTU hr Vent free heater 26 000 BTU hr Total ____BTU hr Total 56 000 BTU hr Do not include direct...

Page 10: ...tional Fuel Gas Code NFPA 54 ANS Z223 1 Air for Combustion and Ventilation for required size of ventilation grills or ducts Ventilation Air From Outdoors Provide extra fresh air by using ventilation g...

Page 11: ...to discolor CLEARANCES TO COMBUSTIBLES Carefully follow the instructions below This heater can be mounted on the wall or on the floor using the support legs Select models WARNING Maintain the minimum...

Page 12: ...eater between the locked positions 3 Remove plug from the inlet of the NG regulator 4 If the LP plug was removed previously apply thread sealant to ensure that there are no leaks and install the NG pl...

Page 13: ...corner See Fig 10 3 This fan is equipped with manual MAN and automatic AUTO settings See Fig 11 on page 13 Set the rocker switch to MAN for manual mode allowing the fan to continuously run until the r...

Page 14: ...have the following items 2 Support Legs 4 Support Leg Screws M4 15 1 Set down a blanket onto the table where the heater will be placed for leg installation to prevent scratch ing of the table and or...

Page 15: ...Tape mounting bracket to wall where heater will be located Make sure mounting bracket is level 2 Mark screw locations on wall See Fig 16 Note Mark only last hole on each end of mounting bracket Inser...

Page 16: ...5 Place mounting bracket onto wall Line up last hole on each end of bracket with expansion bracket 6 Insert expansion bracket screws ST4 8 15 16 through wall mounting bracket and into expansion bracke...

Page 17: ...ust be a minimum 6 WC for NG 11 WC for LP with a max pressure of 14 WC for NG 14 WC for LP If gas line pressure is higher regulator damage could occur CAUTION Never connect heater directly to an LP su...

Page 18: ...3 5kPa The appliance and its appliance main gas valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of psi 3 5 kPa Pres...

Page 19: ...qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS MANUAL GAS CONTROL 1 STOP Read...

Page 20: ...gh 7 Wait 1 minute before attempting to light pilot again If after several tries the pilot still goes out turn the gas control knob clockwise to the OFF position and call your service technician or ga...

Page 21: ...PERATION Manual valves remain burning at the desired setting until manu ally turned to OFF See Fig 25 Fig 25 Control Knob Position Manual Thermostatic OPERATION INSPECTING BURNERS Check pilot flame pa...

Page 22: ...ern with tall flames with Control Knob Set to High Flame 5 1 2 Glass Height 1 2 Glass Height NOTE Ambient flame burners produce both a blue and yellow flame An excessively high yel low colored flame m...

Page 23: ...don t follow directions on the can you could damage the pilot assembly 1 Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes 2 Remove 4 screws 2 screws on each sid...

Page 24: ...ctrode is not connected to ignitor cable 4 Ignitor cable is pinched or wet 5 Damaged ignitor cable 6 Bad piezo ignitor or ignition module 1 Replace ODS 2 Replace ODS 3 Replace ignitor cable 4 Free ign...

Page 25: ...ition of burner s 1 Manifold pressure is too low 2 Burner orifice is clogged 1 Contact your gas supplier 2 Clean burner see Care and Maintenance page 22 or contact customer service Burner backfiring d...

Page 26: ...r 3 Clean ODS pilot see Care and Maintenance page 22 Gas odor exists even when control knob is in OFF position 1 Gas leak See Warning Statement at top of page 22 2 Control valve is defective 1 Locate...

Page 27: ...E CAUSE PROBLEM QUALIFIED INSTALLING AGENCY Only a qualified agency should perform installation and replacement of gas piping gas utilization equipment or accessories and repair and servicing of equip...

Page 28: ...30560 N A 6 Manual Gas Valve 1 GS7A 10K N A N A GS7A 30K 7 Gas Selector Valve 1 GH01A GH01A GH01A GH01A 8 Regulator Bracket 1 AQ000015 AQ000015 AQ000015 AQ000015 9 1 Regulator LP Propane 10 WC 1 GR 13...

Page 29: ...NTY IS GIVEN TO THE PURCHASER IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY OF FITNESS FOR A PARTICULAR PURPOSE THE REMEDY PROVIDE...

Page 30: ...bly due for a good cleaning Replacement of the thermocouple or pilot assembly is generally not needed Review Heater Maintenance in the owners manual While we want everyone to be completely satisfied w...

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