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5

099403

FRESH AIR

FOR

COMBUSTION

AND

VENTILATION

WARNING ICON

G 001

 WARNING

This heater must have fresh air for proper operation. If not, poor
fuel combustion could result. Read the following instructions to
insure proper fresh air for this and other fuel-burning appliances
in your home.

Today’s homes are built more energy efficient than ever. New materials, increased
insulation, and new construction methods help reduce heat loss in homes. Home
owners weather strip and caulk around windows and doors to keep the cold air out
and the warm air in. During heating months, home owners want their homes as
airtight as possible.

While it is good to make your home energy efficient, your home needs to breathe.
Fresh air must enter your home. All fuel-burning appliances need fresh air for
proper combustion and ventilation.

Exhaust fans, fireplaces, clothes dryers, and fuel burning appliances draw air from
the house to operate. You must provide adequate fresh air for these appliances.
This will insure proper venting of vented fuel-burning appliances.

PRODUCING ADEQUATE VENTILATION

All spaces in homes fall into one of the three following ventilation classifications:
1. Unusually Tight Contruction; 2. Unconfined Space; 3. Confined Space.
The information on pages 5 through 8 will help you classify your space and provide
adequate ventilation.

Unusually Tight Construction

The air that leaks around doors and windows may provide enough fresh air for
combustion and ventilation. However, in buildings of unusually tight construction,
you must provide additional fresh air.

Unusually tight construction is defined as construction where:
a. walls and ceilings exposed to the outside atmosphere have a continu-

ous water vapor retarder with a rating of one perm or less with open-
ings gasketed or sealed 

and

b. weather stripping has been added on openable windows and doors 

and

c. caulking or sealants are applied to areas such as joints around window

and door frames, between sole plates and floors, between wall-ceiling
joints, between wall panels, at penetrations for plumbing, electrical, and
gas lines, and at other openings.

If your home meets all of the three criteria above, you must provide addi-
tional fresh air. See 

Ventilation Air From Outdoors, page 8.

If your home does not meet all of the three criteria above, continue reading.

Unconfined Space

An unconfined space has a minimum air volume of 50 cubic feet for each 1000
BTU/Hr input rating of all appliances in the space (cubic feet equals length x
width x height of space). Include adjoining rooms only if there are doorless
passageways or ventilation grills between the rooms.

Confined Space

A confined space has an air volume of less than 50 cubic feet for each 1000
BTU/Hr input rating of all appliances in the space (cubic feet equals length x
width x height of space). Include adjoining rooms only if there are doorless
passageways or ventilation grills between the rooms.

Continued

Summary of Contents for Comfort Glow CGP10

Page 1: ...gasoline or other flammable vapors and liquids in the 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 u...

Page 2: ...heater serviced Some people are more affected by carbon monoxide than others These include pregnant women people with heart or lung disease or anemia those under the influence of alcohol and those at...

Page 3: ...ot enough fresh air is available See Fresh Air for Combustion and Ventilation pages 5 through 8 7 Neverrunheaterinsmall closedroom Opendoorintonextroomtohelpventilate 8 Keepallairopeningsinthefrontand...

Page 4: ...anel Figure 1 Vent Free Propane Gas Heater UNPACKING 1 Remove heater from carton 2 Remove all protective packaging applied to heater for shipment 3 Check heater for any shipping damage If heater is da...

Page 5: ...The air that leaks around doors and windows may provide enough fresh air for combustion and ventilation However in buildings of unusually tight construction you must provide additional fresh air Unus...

Page 6: ...r Gas furnace ___________________ BTU Hr Vented gas heater ___________________ BTU Hr Gas fireplace logs ___________________ BTU Hr Other gas appliances ___________________ BTU Hr Total ______________...

Page 7: ...or on the wall connecting the two spaces see options 1 and 2 Figure 2 You can also remove door into adjoining room see option 3 Figure 2 WARNING ICON G 001 WARNING Rework worksheet adding the space of...

Page 8: ...en to the outdoors These spaces include attics and crawl spaces Follow the National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventilation gr...

Page 9: ...clearances shown in Figure 4 page 10 If you can provide greater clearances from floor ceiling and joining wall Continued WARNING ICON G 001 WARNING Never install the heater in a bathroom in a recreati...

Page 10: ...Mark two mounting screw locations on wall see Figure 5 Figure 5 Mounting Screw Locations Mounting Screw Locations 8 7 8 Minimum To Maintain 6 Clearance From Wall 7 3 4 20 1 4 Minimum To Maintain 3 Cle...

Page 11: ...y 1 Drill holes at marked locations using 5 16 drill bit For solid walls concrete or masonry drill at least 1 1 4 deep 2 Fold wall anchor see Figure 6 INSTALLING TO WALL Continued Figure 6 Folding Anc...

Page 12: ...ure 11 2 Mark screw location on wall 3 Remove heater from wall 4 If installing bottom mounting screw into hollow or solid wall install wall anchor Follow steps 1 through 5 under Attaching To Wall Anch...

Page 13: ...not run properly Installation must include a manual shutoff valve ground joint union and plugged 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be upstream from heater see...

Page 14: ...eaks after installation or servicing Correct all leaks at once WARNING ICON G 001 WARNING Never use an open flame to check for a leak Apply a mixture of liquid soap and water to all joints Bubbles for...

Page 15: ...forming show a leak 4 Correct all leaks at once PRESSURE TESTING HEATER GAS CONNECTIONS 1 Open manual shutoff valve see Figure 14 2 Open propane supply tank valve 3 Make sure control knob of heater is...

Page 16: ...n the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician or gas supplier Force or attempted repair may result in a...

Page 17: ...ass panel If needed keep pressing ignitor button until pilot lights Note If pilot does not stay lit refer to Troubleshooting pages 20 through 23 Also contact a qualified service person or gas supplier...

Page 18: ...or 30 seconds after pilot is lit After 30 seconds release control knob 5 Replace front panel INSPECTING BURNER Check pilot flame pattern and burner flame pattern often PILOT FLAME PATTERN Figure 18 sh...

Page 19: ...ame It also shows the flame higher than 1 2 the glass panel height NOTICE Do not mistake orange flames with yellow tipping Dust or other fine particles enter the heater and burn causing brief patches...

Page 20: ...ng items are listed in order of operation TROUBLE SHOOTING WARNING ICON G 001 WARNING Turn off heater and let cool before servicing Only a qualified service person should service and repair heater POS...

Page 21: ...ontrol valve OBSERVED PROBLEM Whenignitorbuttonis pressed there is spark at ODS pilot but no ignition ODS pilot lights but flame goes out when control knob is re leased POSSIBLE CAUSE 1 Gas supply tur...

Page 22: ...aning and Maintenance page 20 2 Replace gas regulator 1 Problem will stop after a few hours of operation 1 Turn control knob to LOW position and let warm up for a minute 2 Operate burner until air is...

Page 23: ...cting while cooling 1 Heater burning vapors from paint hair spray glues etc SeeIMPOR TANT statement above 2 Low fuel supply 3 Gas leak See Warn ing statement at top of page 1 Not enough fresh air is a...

Page 24: ...nal replacement part s call DESA International s Technical Service Department at 1 800 323 5190 for referral information When contacting your dealer or DESA International have ready your name your add...

Page 25: ...80 9340 1 800 922 0724 Dayton Hardware P O Box 275 North Dayton Station Dayton OH 45404 All States 513 258 3721 OH 1 800 762 3426 Halco Enterprises 208 Carter Drive Unit 21 West Chester PA 19382 215 6...

Page 26: ...26 099403 10 12 11 1 2 3 4 5 6 7 9 8 GRHpv014C CGP10 10 13 14 15 16 17 18 21 23 24 27 22 26 25 19 20 28 29 HEATER EXPLODED VIEW...

Page 27: ...1 10 098271 03 Ignitor Cable 1 11 098249 01 Nut M5 2 12 099440 04 ODS Pilot Assembly 1 12 1 098514 01 Thermocouple 1 12 2 098594 01 Ignitor Electrode 1 13 099386 02 Burner 1 14 099387 05 Pilot Tubing...

Page 28: ...it This warranty does not apply to parts that are not in original condition because of normal wear and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintena...

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