Desa Tech CGP10T Gas Heater User Manual
Contents
1. VENT FREE PROPANE LP GAS HEATER OWNER S OPERATION AND INSTALLATION MANUAL n Model CGP10T 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 Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e Do not touch any electrical switch do not use any phone in your building e 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 appliance may be installed in an aftermarket manufactured mobile home where not prohibited by state or local codes Aftermarket Completion of sale not for purpose of resale from the manufacturer This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other gases Save this manual for future reference CONTENTS SAFETY INFORMATION SECTION PAGE Safety InformatiOns serimi a E RE 2 Product Identification oonccnnncnnnonicnonnnnnoncnonononnncnnnna cnn nccnnococnnncnnnos 4 AAA ocgusesoteces aie etvec2. 2 Pressurize supply piping system by either using compressed air or opening propane LP supply tank valve 3 Check all joints from propane LP supply tank to manual shutoff valve see Figure 15 Apply mixture of liquid soap and water to gas joints Bubbles 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 LP supply tank valve 3 Make sure control knob of heater is in the OFF position 4 Check all joints from manual shutoff valve to control valve see Figure 15 Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak Correct all leaks at once Light heater see Operating Heater pages 16 through 18 Check the rest of the internal joints for leaks Turn off heater see To Turn Off Gas to Appliance page 18 Replace front panel Din p x Manual Shutoff Valve BaS Closed Figure 14 Manual Shutoff Valve e Control a Valve Location AA Propane LP Supply Tank Manual Shutoff Valve Figure 15 Checking Gas Joints 102922 OPERATING HEATER BI FOR YOUR SAFETY READ BEFORE LIGHTING J A WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance has a pilot whic
3. If noise is excessive contact qualified service person Heater produces 1 Heater burning vapors 1 Ventilate room Stop unwanted odors from paint hair spray using odor causing glues etc See IMPOR products while heater is TANT statement above running 2 Low fuel supply 2 Refill supply tank 3 Gas leak See Warn 3 Locate and correct all ing statement at leaks see Checking Gas top of page Connections page 14 Heater shuts off in 1 Not enough fresh air is 1 Open window and or use ODS operates available door for ventilation 2 Low line pressure 2 Contact local propane LP gas company 3 ODS pilot is partially 3 Clean ODS pilot see clogged Cleaning and Mainte nance page 21 Gas odor even when 1 Gas leak See Warn 1 Locate and correct all control knob is in ing statement at leaks see Checking Gas OFF position top of page Connections page 14 2 Control valve defective 2 Replace control valve Gas odor during 1 Foreign matter be 1 Take apart gas tubing combustion tween control valve and remove foreign and burner matter 2 Gas leak See Warn 2 Locate and correct all ing statement at leaks see Checking Gas top of page Connections page 14 Moisture condensation 1 Not enough combus 1 Refer to Air for Com noticed on windows tion ventilation air bustion and Ventilation requirements page 5 102922 SPECIFICATIONS TECHNICAL SERVICE SERVICE HINTS You may have further que
4. Usually we will ask you to return the defective part to the factory Parts Not Under Warranty Contact authorized dealers of this product If they cannot supply original replace ment part s call DESA International s Parts Department at 1 800 972 7879 for information When calling DESA International have ready e model number of your heater e the replacement part number You can purchase a service manual from the address listed on the back page of this manual Send a check for 5 00 payable to DESA International Purchase this heater accessory from your local dealer If they cannot supply this accessory call DESA International s Parts Department at 1 800 972 7879 You can also write to the address listed on the back page of this manual MANUAL SHUTOFF VALVE GA5010 Manual shutoff valve with 1 8 NPT tap 102922 PARTS CENTRAL These Parts Centrals are privately owned businesses They have agreed to support our customer s needs by providing original replacement parts and accessories Baltimore Electric 1348 Dixwell Avenue Hamden CT 06514 1 800 397 7553 203 248 7553 Parts Department Portable Heater Parts 342 N County Rd 400 E Valparaiso IN 46383 All States 219 462 7441 1 800 362 6951 Parts Department FBD P O Box 1096 1720 Kummer Road Franklin KY 42134 502 586 1922 1 800 654 8534 Four Flags Power Products 1115 Stateline Road Niles MI 49120 616 684 2697 Parts Only
5. appliances in both spaces Se Vo Sl Ventilation Grills Into Adjoining Room Ventilation Option 2 Grills Or into Adjoining Remove Room Door into Option 1 Adjoining Room Options Un J y 12 Figure 2 Ventilation Air from Inside Building Continued 102922 AIR FOR Ventilation Air From Outdoors C OM BU STI ON Provide extra fresh air by using ventilation grills or ducts You must provide two permanent openings one within 12 of the ceiling and one within 12 of the floor AN D Connect these items directly to the outdoors or spaces open to the outdoors These spaces include attics and crawl spaces Follow the National Fuel Gas Code NFPA VENTILATION 54 ANSIZ223 1 Section 5 3 Air for Combustion and Ventilation for required size Continued of ventilation grills or ducts IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermostat controlled power vent Heated air entering the attic will activate the power vent lt Ventilated Attic Outlet Air To Attic Inlet Air Ventilated Inlet Air Crawl Space Figure 3 Ventilation Air from Outdoors 102922 INSTALLING TO WALL NOTICE A qualified service person must install heater Follow all local codes CHECK GAS TYP
6. including near the floor If you smell gas STOP Follow B in the safety information at the top of page 16 If you don t smell gas go to the next step 5 Turn control knob counterclockwise KS to the PILOT position Press in control knob for five 5 seconds see Figure 16 page 16 Note You may be running this heater for the first time after hooking up to gas supply If so the control knob may need to be pressed in for 30 seconds This will allow air to bleed from the gas system 6 With control knob pressed in push down and release ignitor button This will light pilot The pilot is attached to the front of burner The pilot can be seen through the glass panel If needed keep pressing ignitor button until pilot lights Note If pilot does not stay lit refer to Troubleshooting pages 21 through 24 Also contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Manual Lighting Procedure page 18 Ignitor Electrode Thermocouple Pilot Burner Figure 17 Pilot 7 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob If control knob does not pop up when released contact a qualified service person or gas supplier for repairs Note If pilot goes out repeat steps 3 through 7 This heater has a safety interlock system Wait one 1 minute before lighting pilot again 8 Turn control kn
7. Master Parts Distributor 1184 Wilson Ave NW Grand Rapids MI 49504 616 791 0505 1 800 446 1446 Fax 1 616 791 8270 Parts Department Washer Equipment Co 1715 Main Street Kansas City MO 64108 KS MO AR 816 842 3911 Parts Department East Coast Energy Products 707 Broadway W Long Branch NJ 07764 908 870 8809 1 800 755 8809 Parts Department Tarantin Tank Co P O Box 6129 Freehold NJ 07728 908 780 9340 1 800 922 0724 Parts Department Albany Ladder 1586 90 Central Avenue Albany NY 07728 NY MA VT 518 869 5335 1 800 354 7368 NY MA VT Parts Department Dayton Hardware P O Box 275 North Dayton Station Dayton OH 45404 All States 513 258 3721 OH 1 800 762 3426 Parts Department Halco Enterprises 208 Carter Drive Unit 21 West Chester PA 19382 610 430 7717 1 800 368 0803 Parts Department LaPorte s Parts and Service 2444 North 5th Street Hartsville SC 29550 803 332 0191 Parts Department Cans Unlimited Inc P O Box 645 Taylor SC 29687 All States 803 879 3009 1 800 845 5301 Parts Department 102922 NOTES 102922 NOTES 102922 WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial N
8. National Fuel Gas Code ANSIZ223 1 1992 Section 5 3 defines uncon fined space as having a minimum air volume of 50 cubic feet 127 cubic cm 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 The National Fuel Gas Code ANSIZ223 1 1992 Section 5 3 defines confined space as having an air volume of less than 50 cubic feet 127 cubic cm 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 TR 102922 AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space Space Includes the room in which you will install heater plus any adjoining rooms with doorless passageways or ventilation grills between the rooms 1 Determine the volume of the space length x width x height Length x Width x Height cu ft volume of space Example Space size 18 ft length x 16 ft width x 8 ft ceiling height 2304 cu ft volume of space If additional ventilation to adjoining room is supplied with grills o
9. where impurities in the air such as tobacco smoke exist may discolor walls IMPORTANT Vent free heaters add moisture to the air Although this is beneficial in stalling heater in rooms without enough ventilation air may cause mildew to form from too much moisture See Air for Combustion and Ventilation pages 5 through 8 A CAUTION If you install the heater in a home garage heater pilot and burner must be at least 18 inches above floor e locate heater where moving vehicle will not hit it Continued 9 102922 INSTALLING TO WALL Continued For convenience and efficiency install heater e where there is easy access for operation inspection and service e in coldest part of room CEILING 36 Minimum N 6 Minimum From Sides Of Heater A Right Side LN E Minimum To Top Surface Of Carpeting Tile Or Other Combustible Material FLOOR Figure 4 Mounting Clearances As Viewed From Front of Heater THERMOSTAT SENSING BULB The thermostat sensing bulb is located inside the heater Do not move this bulb during installation or operation of the heater INSTALLING HEATER TO WALL Marking Screw Locations 1 Determine where you will locate heater A WARNING Maintain minimum clearances shown in Figure 5 If you can provide greater clearances from floor and joining wall 2 Mark two mounting screw locations on wall s
10. you determine your own comfort levels MU MANUAL LIGHTING PROCEDURE MMM 1 Remove front panel see Figure 10 page 12 2 Follow steps 1 through 5 under Lighting Instructions pages 16 and 17 3 With control knob pressed in strike match Hold match to pilot until pilot lights 4 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob 5 Replace front panel 102922 INSPECTING BURNER Check pilot flame pattern and burner flame pattern often PILOT FLAME PATTERN Figure 18 shows a correct pilot flame pattern Figure 19 shows an incorrect pilot flame pattern The incorrect pilot flame is not touching the thermocouple This will cause the thermocouple to cool When the thermocouple cools the heater will shut down Pilot Burner Thermocouple Figure 18 Correct Pilot Flame Pattern Pilot Burner Thermocouple ES Figure 19 Incorrect Pilot Flame Pattern If pilot flame pattern is incorrect as shown in Figure 19 e turn heater off see To Turn Off Gas to Appliance above e see Troubleshooting pages 21 through 24 Continued 102922 INSPECTING BURNER Continued BURNER FLAME PATTERN Figure 20 shows a correct burner flame pattern Figure 21 shows an incorrect burner flame pattern The incorrect burner flame pattern shows yellow tipping of the flame It also shows the flame higher than 1 2 the glass panel height WAR
11. 94 01 099386 02 Burner 099387 11 098251 07 Injector 099463 01 099415 02 102863 01 102864 01 102492 01 102493 01 098522 08 102571 01 102445 01 098275 01 099553 01 098303 02 102471 01 100642 02 DESCRIPTION Screw 10 x 3 8 Front Panel Assembly Grill Guard Grill Guard Clip Glass Panel Screw 8 x 3 8 Ignitor Cable ODS Pilot Assembly Thermocouple Ignitor Electrode Pilot Tubing Injector Holder Pressure Regulator Burner Tubing Regulator Tubing 5 16 Male Connector 1 4 Male Connector Thermostat Gas Valve Cabinet Assembly Piezo lgnitor 3 8 NPT Male Plug Pilot Shield Screw 6 x 5 16 PARTS AVAILABLE NOT SHOWN Control Position Label Assembly Hardware 2 1 1 2 1 1 1 8 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 102922 REPLACEMENT PARTS SERVICE PUBLICATIONS ACCESSORY Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty Parts Under Warranty Contact authorized dealer from whom you purchased this product If they cannot supply original 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 e your name e your address e model number of your heater e how heater was malfunctioning e type of gas used propane LP or natural gas e purchase date
12. Anchor Wings For Thin Walls 5 Tighten two screws until 1 16 space thickness of penny is between screwheads and wall see Figure 8 Thin or Thick Wall thick wall shown 1 16 Space Solid Wall Figure 8 Tightening Anchors Continued 102922 INSTALLING TO WALL Continued Placing Heater On Mounting Screws 1 Locate two keyhole slots on back panel of heater see Figure 9 2 Place large openings of slots over screwheads Slide heater down until screws are in small portion of slots Keyhole Slots Figure 9 Location Of Keyhole Slots On Back Panel Of Heater Removing Front Panel Of Heater 1 Remove two screws near bottom corners of front panel 2 Lift straight up on grill guard until it stops Grill guard will slide up about 1 4 3 Pull bottom of front panel forward then down Figure 10 Removing Front Panel Of Heater Installing Bottom Mounting Screw 1 Locate bottom mounting hole This hole is near bottom on back panel of heater see Figure 11 2 Mark screw location on wall Remove heater from wall 4 Ifinstalling bottom mounting screw into hollow or solid wall install wall anchor Follow steps 1 through 5 under Attaching To Wall Anchor Method page 11 If installing bottom mounting screw into wall stud drill hole at marked location using 9 64 drill bit 5 Replace heater on wall 6 Insert bottom anchor screw through back panel into botto
13. E Use only propane LP gas If your gas supply is not propane LP do not install heater Call dealer where you bought heater for proper type heater INSTALLATION ITEMS Before installing heater make sure you have the items listed below e external regulator supplied by e ground joint union installer see page 13 e test gauge connection see e piping check local codes Figure 13 page 14 e sealant resistant to propane LP gas e sediment trap e manual shutoff valve e tee joint e pipe wrench AnA G A design certified manual shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection The optional A G A design certified manual shutoff valve can be purchased from your dealer See Accessory page 28 LOCATING HEATER This heater is designed to be mounted on a wall A WARNING Maintain the minimum clearances shown in Figure 4 page 10 If you can provide greater clearances from floor ceiling and joining wall A WARNING Never install the heater ina bathroom in a recreational vehicle where curtains furniture clothing or other flammable objects are less than 36 inches from the front top or sides of the heater as a fireplace insert in high traffic areas e in windy or drafty areas CAUTION This heater creates warm air currents These currents move heat to wall surfaces next to heater Installing heater next to vinyl or cloth wall coverings or operating heater
14. NING If yellow tipping occurs your heater could produce increased levels of carbon monoxide If burner flame pattern shows yellow tipping follow instructions at bottom of this page NOTICE Do not mistake orange flames with yellow tipping Dust or other fine particles enter the heater and burn causing brief patches of orange flame 1 2 GLASS HEIGHT CORRECT FLAME PATTERN AT HIGH POSITION Figure 20 Correct Burner Flame Pattern Yellow A Tipping 1 2 GLASS HEIGHT INCORRECT FLAME PATTERN AT HIGH POSITION Figure 21 Incorrect Burner Flame Pattern If burner flame pattern is incorrect as shown in Figure 21 e turn heater off see To Turn Off Gas to Appliance page 18 e see Troubleshooting pages 21 through 24 102922 CLEANING AND MAINTENANCE TROUBLE SHOOTING Note All troubleshooting items are listed in order of operation A WARNING Turn off heater and let cool before cleaning Ah CAUTION You must keep control areas burner and circulating air passageways of heater clean Inspect these areas of heater before each use Have heater inspected yearly by a qualified service person Heater may need more frequent cleaning due to excessive lint from carpeting bedding material etc ODS PILOT AND BURNER ORIFICE e Use a vacuum cleaner pressurized air or small soft bristled brush to clean CABINET Air Passageways e Use a vacuum c
15. d ventilation grills between rooms See Ventilation Air From Inside Building page 7 B Vent room directly to the outdoors See Ventilation Air From Outdoors page 8 C Install a lower Btu Hr heater if lower Btu Hr size makes room unconfined If the actual Btu Hr used is less than the maximum Btu Hr the space can support the space is an unconfined space You will need no additional fresh air ventilation 102922 AIR FOR Ah WARNING COMBUSTION If the area in which the heater may be operated is smaller than AND that defined as an unconfined space provide adequate combus tion and ventilation air by one of the methods described in the VENTIL ATION National Fuel Gas Code ANSI Z223 1 1992 Section 5 3 Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space When ventilating to an adjoining unconfined space you must provide two permanent openings one within 12 of the ceiling and one within 12 of the floor 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 Follow the National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts A WARNING Rework worksheet adding the space of the adjoining unconfined space The combined spaces must have enough fresh air to supply all
16. eater If pipe is too small undue loss of pressure will occur 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 Figure 13 page 14 Apply pipe joint sealant lightly to male threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves CAUTION Use pipe joint sealant that is resistant to liquid petroleum LP gas Install sediment trap in supply line as shown in Figure 13 page 14 Locate sediment trap where it is within reach for cleaning Locate sediment trap where trapped matter is not likely to freeze A sediment trap traps moisture and contaminants This keeps them from going into heater controls If sediment trap is not installed or is installed wrong heater may not run properly Continued 102922 CONNECTING TO GAS SUPPLY Continued CHECKING GAS CONNECTIONS IMPORTANT Hold pressure regulator with wrench when connecting it to gas piping and or fittings SaR Pressure Regulator 3 8 NPT Pipe Nipple oe Heater Cabinet Ground Joint Union Tee Joint Manual Shutoff Valve as Test Bushing to Gauge 18 NPT Connection 1 8 NPT Plug Tap From External Regulator 11 W C to 14 W C y Pressure 4 Pipe Sediment Trap Figure 13 Gas Co
17. ee Figure 5 lt 8 7 8 7 3 4 Minimum ro Maintain 6 Clearance Y A From Wall lt Mounting 20 1 4 A Screw Minimum To Z Locations Maintain 3 zZ Clearance Q From Floor FLOOR Figure 5 Mounting Screw Locations 102922 INSTALLING TO WALL Continued Installing Two Mounting Screws Note Wall anchors and mounting screws are in hardware package The hardware package is provided with heater Attaching to wall stud method For attaching mounting screw to wall stud 1 Drill hole at marked location using 9 64 drill bit 2 Insert mounting screw into wall stud 3 Tighten screw until 1 16 space thickness of penny is between screwhead and wall Attaching to wall anchor method Follow instructions below to attach mounting screws to hollow walls wall areas between studs or solid walls concrete or masonry 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 X Figure 6 Folding Anchor 3 Insert wall anchor wings first into hole Tap anchor flush to wall 4 For thin walls 1 2 or less insert red key into wall anchor Push red key to pop open anchor wings see Figure 7 IMPORTANT Do not hammer key For thick walls over 1 2 thick or solid walls do not pop open wings Thin Walls 1 4 to 1 2 thick lt a N OS Figure 7 Popping Open
18. eighbor s phone Follow the gas supplier s instructions e if you cannot reach your gas supplier call the fire department 4 Heater shall not be installed in a bathroom 5 Never install the heater e in a recreational vehicle e where curtains furniture clothing or other flammable objects are less than 36 inches from the front top or sides of the heater e as a fireplace insert e in high traffic areas e in windy or drafty areas 6 This heater needs fresh outside air ventilation to run properly This heater has an oxygen depletion sensor ODS pilot light safety system The ODS shuts down the heater if not enough fresh air is available See Air for Combustion and Ventilation pages 5 through 8 7 Keep all air openings in the front and bottom of heater clear and free of debris This will insure enough air for proper combustion 8 Ifheater shuts off do notrelight until you provide fresh outside air Ifheater keeps shutting off have it serviced 9 Do not run heater e where flammable liquids or vapors are used or stored e under dusty conditions 10 Never place any objects on the heater 11 Surface of heater becomes very hot when running heater Keep children and adults away from hot surface to avoid burns and clothing ignition Heater will remain hot for a time after shutdown Allow surface to cool before touching 12 Make sure grill guard is in place before running heater 13 Carefully supervise young children when they are in
19. h must be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building e 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 C Use only your hand to push in or turn 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 fire or explosion D Do not use this appliance if any part has been under water Immediately call a 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 MO LIGHTING INSTRUCTIONS MO 1 STOP Read the safety information above 2 Make sure manual shutoff valve is fully open 3 Turn control knob clockwise to the OFF position Ignitor Button Control Knob IGNITOR Figure 16 Control Knob In The OFF Position 102922 OPERATING HEATER Continued 4 Wait five 5 minutes to clear out any gas Then smell for gas
20. he eae Ae iae 4 Unpacking oriy nna catia ii iii 4 Product Features sidad E E E E ai 4 Air For Combustion and Ventilation oconnnncnnnnnnnnncanonccnoncnonnnnnnnos 5 Installing To Wall cies cess inienn e e 9 Connecting To Gas Supply s sesesssseesesseessesersrsressecsreseeseesssrersessosee 13 Checking Gas Connections ocoooccnocnnocononcnononnnonnncnnono nono nono cconcconacnno 14 Operating Heater c sez coat ie eae eae 16 Inspecting BUT tater cathe cos ao uae tee 19 Cleaning And Maintenance 0 0 0 ee eeesseeseceseceeeceseeeaeeeeeeaeesseeees 21 Troubleshooting eeens teenete r ee e N ELE i 21 Technical Service notorio a aida 25 Specifications siii iia 25 Seryice AMAS it AA A Ii 25 Ilustrated Parts Breakdown ooooonocccnocococcconncononnncnnnnononcccnncccnnncnnos 26 Parts Lis tetacoitplliccisirdosidoledsdia E EE sancaroten beatle ds 27 Replacement Parts coincidan R i 28 Service Publications ciclo NE isos A 28 O 28 Parts Central introducida lore aia 29 Warranty Information ooonocnnocnoncconcconnnonnnonnnnnncnnncnnccnnnnnn cono corn ncnne ns Back Cover A WARNINGS IMPORTANT Read this owner s manual carefully and completely be fore trying to assemble operate or service this heater Improper use of this heater can cause serious injury or death from burns fire explo sion and carbon monoxide poisoning A DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Ea
21. ilot shuts off the heater if there is not enough fresh air Piezo Ignition System This heater has a piezo ignitor This system requires no matches batteries or other sources to light heater Thermostatic Heat Control This heater has a thermostat sensing bulb and thermostat control This resuts in the greatest heater comfort This can also result in lower gas bills 102922 AIR FOR COMBUSTION AND VENTILATION A WARNING This heater shall not be installed in a confined space unless provisions are provided for adequate combustion and ventilation air 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 1t 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 bu
22. leaner or pressurized air to clean Exterior e Use a soft cloth dampened with a mild soap and water mixture Wipe the cabinet to remove dust A WARNING Turn off heater and let cool before servicing Only a qualified service person should service and repair heater CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit OBSERVED POSSIBLE PROBLEM CAUSE REMEDY Whenignitorbuttonis 1 Ignitor cable pinched or 1 Free ignitor cable if pressed there is no wet pinched by any metal or spark at ODS pilot tubing Keep ignitor A Du Ignitor electrode not connected to ignitor cable Piezo ignitor nut is loose Broken ignitor cable Ignitor electrode broken Bad piezo ignitor Ignitor electrode posi tioned wrong cable dry 2 Reconnect ignitor cable 3 Tighten nut holding piezo ignitor to heater cabinet Nut is located inside heater cabinet at top Replace ignitor cable Replace ignitor Replace piezo ignitor Replace ignitor NANA Continued FRx 102922 TROUBLE SHOOTING Continued OBSERVED POSSIBLE PROBLEM CAUSE REMEDY When ignitor button is 1 Gas supply turned off Turn on gas supply or pressed there is spark at ODS pilot but no ignition or manual shutoff valve closed Control knob not in PILOT position Control knob not pressed in while in PILOT position Ai
23. m anchor or drilled hole see Figure 11 7 Tighten screw until heater is firmly secured to wall Do not over tighten Note Do not replace front panel at this time Replace front panel after making gas connections and checking for leaks see pages 13 15 W Figure 11 Installing Bottom Mounting Screw 102922 CONNECTING TO GAS SUPPLY NOTICE A qualified service person must connect heater to gas supply Follow all local codes A CAUTION Never connect heater directly to the propane LP supply This heater requires an external regulator not supplied Install the external regulator between the heater and propane LP supply The installer must supply an external regulator The external regulator will reduce incoming gas pressure You must reduce incoming gas pressure between 11 and 14 inches of water If you do not reduce incoming gas pressure heater regulator damage could occur Install external regulator with the vent pointing down as shown in Figure 12 Pointing the vent down protects it from freezing rain or sleet Propane LP Supply Tank External E Y Regulator Vent Pointing Down Figure 12 External Regulator With Vent Pointing Down A CAUTION Use only new black iron or steel pipe Internally tinned copper tubing may be used in certain areas Check your local codes Use pipe 3 8 diameter or greater to allow proper gas volume to h
24. maged as aresult of misuse accidents lack of proper maintenance or defects caused by improper installation Travel diagnostic cost labor transportation and any and all such other costs related to repairing a defective heater will be the responsibility of the owner TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE OF THE PRODUCT THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO ONE 1 YEAR ON ALL COMPO NENTS FROM THE DATE OF FIRST PURCHASE AND DESA INTERNATIONAL S LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA INTERNATIONAL SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCIDENTAL OR CONSE QUENTIAL DAMAGES Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of incidental or consequential damages so the above limitation on implied warranties or exclusion or limitation on damages may not apply to you This warranty gives you specific legal rights and you may also have other rights that vary from state to state DESA INTERNATIONAL 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 For information about this warranty write 102922 01 REV A 4 96
25. nnection An A G A design certified manual shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional A G A design certified manual shutoff valve from your dealer See Accessory page 28 A WARNING Test all gas piping and connections for leaks after installation or servicing Correct all leaks at once A WARNING Never use an open flame to check for a leak Apply a mixture of liquid soap and water to all joints Bubbles forming show a leak Correct all leaks at once CAUTION Make sure external regulator has been installed between propane LP supply and heater See guidelines under Connecting to Gas Sup ply page 13 PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Test Pressures In Excess Of 1 2 PSIG 1 Disconnect heater and its individual manual shutoff valve from gas supply piping system Pressures in excess of 1 2 Psig will damage heater regulator 2 Cap off open end of gas pipe where manual shutoff valve was connected 102922 CHECKING GAS CONNECTIONS Continued 3 Pressurize supply piping system by either using compressed air or opening propane LP supply tank valve 4 Check all joints of gas supply piping system Apply mixture of liquid soap and water to gas joints Bubbles forming show a leak 5 Correct all leaks at once Test Pressures Equal To or Less Than 1 2 PSIG 1 Close manual shutoff valve see Figure 14
26. o Date Purchased Always specify model and serial numbers when communicating with the factory We reserve the right to amend these specifications at any time without notice The only warranty applicable is our standard written warranty We make no other warranty expressed or implied LIMITED WARRANTY COMFORT GLOW VENT FREE RESIDENTIAL GAS HEATERS DESA International warrants this product to be free from defects in materials and components for one 1 year from the date of first purchase provided that the product has been properly installed operated and maintained in accordance with all applicable instructions To make a claim under this warranty the Bill of Sale or cancelled check must be presented This warranty is extended only to the original retail purchaser This warranty covers the cost of part s required to restore this heater to proper operating condition and an allowance for labor when provided by a DESA Authorized Service Center Warranty part s MUST be obtained through authorized dealers of this product and or DESA International who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty The heater MUST be installed by a qualified installer in accordance with all local codes and instructions furnished with the unit 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 da
27. ob counterclockwise nos to desired heating level The main burner should light Set control knob to any heat level between HI and LO A CAUTION Do not try to adjust heating levels by using the manual shutoff valve Continued 17 102922 OPERATING HEATER Continued MI To TURNOFFGAS TO APPLIANCE MN Shutting Off Heater 1 Turn control knob clockwise to the OFF position 2 Turn off all electric power to the appliance if service is to be performed Shutting Off Burner Only pilot stays lit 1 Turn control knob clockwise 7 N to the PILOT position MI THERMOSTAT CONTROL OPERATION MM The thermostatic control used on these models differs from standard thermo stats Standard thermostats simply turn on and off the burner The thermostat used on this heater senses the room temperature The thermostat adjusts the amount of gas flow to the burner This increases or decreases the burner flame height At times the room may exceed the set temperature If so the burner will shut off The burner will cycle back on when room temperature drops below the set temperature The control knob can be set to any heat level between HI and LO Note The thermostat sensing bulb measures the temperature of air near the heater cabinet This may not always agree with room temperature depending on housing construction installation location room size open air tempera tures etc Frequent use of your heater will let
28. ot see Cleaning and Maintenance page 21 or replace ODS pilot assembly 102922 TROUBLE SHOOTING Continued OBSERVED POSSIBLE PROBLEM CAUSE REMEDY Burner does not light 1 Burner orifice is 1 Clean burner orifice see after ODS pilot is lit clogged Cleaning and Mainte nance page 21 or replace burner orifice 2 Burner orifice diameter 2 Replace burner orifice is too small 3 Inlet gas pressure is 3 Contact local propane LP too low gas company Delayed ignition of 1 Manifold pressure is 1 Contact local propane LP burner too low gas company 2 Burner orifice is 2 Clean burner orifice see clogged Cleaning and Mainte nance page 21 or replace burner orifice Burner backfiring 1 Burner orifice is 1 Clean burner orifice see during combustion clogged or damaged Cleaning and Mainte nance page 21 or replace burner orifice 2 Inlet gas pressure is 2 Contact local propane LP too low gas company 3 Burner damaged 3 Replace burner 4 Gas regulator defective 4 Replace gas regulator Yellow flame during burner combustion 1 Not enough air 1 Check burner for dirt and debris If found clean burner see Cleaning and Mainte nance page 21 2 Inlet gas pressure is 2 Contact local propane LP too low gas company 3 Gas regulator defective 3 Replace gas regulator Slight smoke or odor 1 Residues from manu 1 Problem will stop after a during initial operation facturing processes fe
29. r in gas lines when installed ODS pilot is clogged Gas regulator setting is not correct Turn control knob to Press in control knob Continue holding down Clean ODS pilot see Replace gas regulator open manual shutoff valve PILOT position while in PILOT position control knob Repeat igniting operation until air is removed Cleaning and Mainte nance page 21 or replace ODS pilot assembly ODS pilot lights but flame goes out when control knob is released Control knob not fully pressed in Control knob not pressed in long enough Safety interlock system has been triggered Manual shutoff valve not fully open Thermocouple connec tion loose at control valve Pilot flame not touch ing thermocouple which allows thermo couple to cool causing pilot flame to go out This problem could be caused by one or both of the following A Low gas pressure B Dirty or partially clogged ODS pilot Thermocouple dam aged Control valve damaged Press in control knob After ODS pilot lights Wait one minute for Fully open manual Hand tighten until A Contact local Replace thermocouple Replace control valve fully keep control knob pressed in 30 seconds safety interlock system to reset Repeat ignition operation shut off valve snug then tighten 1 4 turn more propane LP gas company B Clean ODS pil
30. r openings add the volume of these rooms to the total volume of the space 2 Divide the space volume by 50 cubic feet to determine the maximum Btu Hr the space can support volume of space 50 cu ft Maximum Btu Hr the space can support Example 2304 cu ft volume of space 50 cu ft 46 1 or 46 100 maximum Btu Hr the space can support 3 Add the Btu Hr of all fuel burning appliances in the space Vent free heater Btu Hr Gas water heater Btu Hr Gas furnace Btu Hr Vented gas heater Btu Hr Gas fireplace logs Btu Hr Other gas appliances Btu Hr Total Btu Hr Example Gas water heater 40 000 Btu Hr Vent free heater 10 000 Btu Hr Total 50 000 Btu Hr Do not include direct vent gas appliances Direct vent draws combustion air from the outdoors and vents to the outdoors 4 Compare the maximum Btu Hr the space can support with the actual amount of Btu Hr used Btu Hr maximum the space can support Btu Hr actual amount of Btu Hr used Example 46 100 Btu Hr maximum the space can support 50 000 Btu Hr actual amount of Btu Hr used The space in the above example is a confined space because the actual Btu Hr used is more than the maximum Btu Hr the space can support You must provide additional fresh air Your options are as follows A Rework worksheet adding the space of an adjoining room If the extra space provides an unconfined space remove door to adjoining room or ad
31. rly signs of carbon monoxide poisoning resemble the flu with headaches dizziness and or nausea If you have these signs the heater may not be working properly Get fresh air at once Have 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 high altitudes Propane LP Gas Propane LP gas is odorless An odor making agent is added to propane LP gas The odor helps you detect a propane gas leak However the odor added to propane LP gas can fade Propane LP 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 safe and proper operation of this heater Safety Information continued on page 3 102922 SAFETY INFORMATION Continued A WARNINGS continued WARNING Any change to this heater or its controls can be dangerous 1 This appliance is only for use with the type of gas indicated on the rating plate This appliance is not convertible for use with other gases 2 Do not place propane LP supply tank s inside any structure Locate propane LP supply tank s outdoors 3 If you smell gas e shut off gas supply e do not try to light any appliance e do not touch any electrical switch do not use any phone in your building e immediately call your gas supplier from a n
32. rning appliances PROVIDING ADEQUATE VENTILATION The following is excerpts from National Fuel Gas Code NFPA 54 ANSI Z223 1 Section 5 3 Air for Combustion and Ventilation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Construction 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 proceed to page 6 Unconfined Space The
33. same room with heater 14 Do not use heater if any part has been under water Immediately call a qualified 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 15 Turn off heater and let cool before servicing Only a qualified service person should service and repair heater 16 Operating heater above elevations of 4 500 feet could cause pilot outage 102922 PRODUCT IDENTIFICATION LOCAL CODES UNPACKING PRODUCT FEATURES Ignitor Button ___ Control Knob Grill Guard Glass Panel q Heater ont LTT A Figure 1 Vent Free Propane LP Gas Heater Install and use heater with care Follow all local codes In the absence of local codes use the latest edition of The National Fuel Gas Code ANSI Z223 1 also known as NFPA 54 Available from American National Standards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 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 damaged promptly inform dealer where you bought heater Safety Device This heater has a pilot with an Oxygen Depletion Sensor Shutoff System ODS The ODS pilot is a required feature for vent free room heaters The ODS p
34. stions about installation operation or troubleshooting If so contact DESA International s Technical Service Department at 1 800 323 5190 Btu Variable Type Gas Ignition Pressure Regulator Setting Inlet Gas Pressure inches of water Maximum Minimum Dimensions Inches H x W x D Heater Including knobs and grill Carton Weight pounds Shipping When gas pressure is too low e pilot will not stay lit e burner will have delayed ignition e heater will not produce specified heat e propane LP gas supply may be low When gas quality is bad e pilot will not stay lit e burner will produce flames and soot e heater will backfire when lit CGP10T 5 000 10 000 Propane LP Only Piezo 8 W C 14 11 21 1 2 x 13 1 2x7 25 1 4 x 16 3 4 x 7 1 2 19 You may feel your gas pressure is too low or gas quality is bad If so contact your local propane LP gas supplier 102922 ILLUSTRATED PARTS BREAKDOWN CGP10T 102922 PARTS LIST CGP10T This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 25 of this manual PART ODS PILOT NUMBER 098304 01 099467 02 099318 04 101108 01 102018 01AA Bottom Glass Retainer 098260 03 098532 03AA Top Glass Retainer M11084 38 098352 03BR Deflector Unit 098271 03 098249 01 Nut M5 099059 03 098514 01 0985
35. w hours of operation Heater produces a 1 Turn control knob to 1 Turn control knob to LO whistling noise when HI position when position and let warm up burner is lit burner is cold for a minute 2 Air in gas line 2 Operate burner until air is removed from line Have gas checked by local propane LP gas company 3 Air passageways on 3 Observe minimum heater blocked installation clearances see Figure 4 page 10 4 Dirty or partially 4 Clean burner see clogged burner orifice Cleaning and Mainte nance page 21 or replace burner orifice Continued TROUBLE SHOOTING Continued A WARNING If you smell gas e Shut off gas supply e Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building e 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 IMPORTANT Operating heater where impurities in air exist may create odors Cleaning supplies paint paint remover cigarette smoke cements and glues new carpet or textiles etc create fumes These fumes may mix with combustion air and create odors OBSERVED POSSIBLE PROBLEM CAUSE REMEDY Heater produces a 1 Metal expanding while 1 This is common with clicking ticking noise just after burner is lit or shut off heating or contracting while cooling most heaters
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