Desa GWP10 GWN10T User's Manual
Contents
1. Outlet nn To Attic To Cus Crawl Space Inlet Air A Ventilated Inlet Air Crawl Space Figure 3 Ventilation Air from Outdoors INSTALLATION NOTICE This heater is intended for use as supplemental heat Use this heater along with your primary heating system Do not install this heater as your pri mary heat source If you have a central heating system you may run system s circulating blower while using heater This will help circulate the heatthroughoutthe house In the event of a power outage you can use this heater as your primary heat source WARNING A qualified ser vice person must install heater Follow all local codes CHECK GAS TYPE Use only the correct type of gas natural or pro pane LP If your gas supply is not the correct gas type do not install heater Call dealer where you bought heater for proper type heater AX WARNING This appliance is equipped for natural or pro pane LP gas Field conversion is not permitted INSTALLATION ITEMS Before installing heater make sure you have the items listed below e for propane LP gas external regulator supplied by installer e piping check local codes e sealant resistant to propane LP gas e equipment shutoff valve e ground joint union e sediment trap e tee joint e pipe wrench e for natural gas test gauge connection ACSA design certified equipmen2. Heater produces aclicking tick ing noise just after burner is lit or shut off Metal expanding while heating or contracting while cooling This is common with most heat ers If noise is excessive contact qualified service person White powder residue forming within burner box or on adjacent walls or furniture When heated vapors from furniture polish wax carpet cleaner etc may turn into white powder residue Turn heater off when using furniture polish wax carpet cleaners or similar products www desatech com 117001 01A TROUBLESHOOTING Continued Ad WARNING 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 neighbor s phone Fol low the gas supplier s instructions e 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 POSSIBLE CAUSE OBSERVED PROBLEM REMEDY Heater produces unwanted odors 1 Heater burning vapors from paint hair spray glues etc See IMPORTANT statement above Low fuel supply propane LP gas only Gas leak See
3. or replace burner orifice Burner backfiring during com bustion Burner orifice is clogged or damaged Burner damaged Gas regulator defective 1 Clean burner orifice see Clean ing and Maintenance page 15 or replace burner orifice Replace burner Replace gas regulator 117001 01A www desatech com TROUBLESHOOTING Continued OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Yellow flame during burner 1 Not enough air 1 Check burner for dirt and de combustion Inlet gas pressure is too low Gas regulator defective 2 bris If found clean burner see Cleaning and Maintenance page 15 Contact local natural or pro pane LP gas company Replace gas regulator Slight smoke or odor during initial operation Residues from manufacturing processes Problem will stop after a few hours of operation Heater produces a whistling noise when burner is lit Turning control knob to high est position when burner is cold Air in gas line Air passageways on heater blocked Dirty or partially clogged burner orifice Turn control knob to lowest position and let warm up for a minute Operate burner until air is removed from line Have gas checked by local natural or propane LP gas company Observe minimum installation clearances see Figure 4 page 8 Clean burner see Cleaning and Maintenance page 15 or replace burner orifice
4. 099059 03 for propane LP models The thermocouple part number will be 098514 01 for both gases The electrode part number will be 098594 01 for both gases 8888 cs he AAA i Ss AS As AS AS R By BR Bes ior 2 x lt 1 117001 01A www desatech com 23 SPECIFICATIONS GWP6 e 4 400 6 000 Btu hr Variable e Propane LP Gas e Piezo Ignition e Pressure Regulator Setting 8 W C e Inlet Gas Pressure inches of water Maximum 14 Minimum 11 e Heater Dimensions H x W x D 21 5 x 13 5 x 7 54 6 x 34 3 x 17 8 cm e Carton Dimensions H x W x D 25 x 16 75 x 7 75 63 5 x 42 5 x 19 7 cm e Heater Weight 12 5 lb 5 7 kg e Heater Shipping Weight 14 lb 6 4 kg GWN6 e 4 400 6 000 Btu hr Variable e Natural Gas e Piezo Ignition Pressure Regulator Setting 3 W C Inlet Gas Pressure inches of water Maximum 10 5 Minimum 4 Heater Dimensions H x W x D 21 5 x 13 5 x 7 54 6 x 34 3 x 17 8 cm e Carton Dimensions H x W x D 25 x 16 75 x 7 75 63 5 x 42 5 x 19 7 cm Heater Weight 12 5 lb 5 7 kg e Heater Shipping Weight 14 lb 6 4 kg GWP10 e 5 000 10 000 Btu hr Variable e Propane LP Gas e Piezo Ignition e Pressure Regulator Setting 8 W C e Inlet Gas Pressure inches of water Maximum 14 Minimum 11 e Heater Dimensions H x W x D 21 5 x 13 5 x 7 54 6 x 34 3 x 17 8 cm e Carton Dimensions H x W x D 25 x 16 75 x 7 75
5. 63 5 x 42 5 x 19 7 cm e Heater Weight 12 5 lb 5 7 kg e Heater Shipping Weight 14 lb 6 4 kg GWN10 5 000 10 000 Btu hr Variable Natural Gas Piezo Ignition Pressure Regulator Setting 3 W C Inlet Gas Pressure inches of water Maximum 10 5 Minimum 5 Heater Dimensions H x W x D 21 5 x 13 5 x 7 54 6 x 34 3 x 17 8 cm Carton Dimensions H x W x D 25 x 16 75 x 7 75 63 5 x 42 5 x 19 7 cm Heater Weight 12 5 lb 5 7 kg Heater Shipping Weight 14 lb 6 4 kg GWP10T 5 000 10 000 Btu hr Variable Propane LP Gas Piezo Ignition Pressure Regulator Setting 8 W C Inlet Gas Pressure inches of water Maximum 14 Minimum 11 Heater Dimensions H x W x D 22 x 13 5 x 7 55 9 x 34 3 x 17 8 cm Carton Dimensions H x W x D 25 x 16 75 x 7 75 63 5 x 42 5 x 19 7 cm Heater Weight 13 5 6 1 kg Heater Shipping Weight 15 lb 6 8 kg GWN10T 5 000 10 000 Btu hr Variable Natural Gas Piezo Ignition Pressure Regulator Setting 3 W C Inlet Gas Pressure inches of water Maximum 10 5 Minimum 5 Heater Dimensions H x W x D 22 x 13 5 x 7 55 9 x 34 3 x 17 8 cm Carton Dimensions H x W x D 25 x 16 75 x 7 75 63 5 x 42 5 x 19 7 cm Heater Weight 13 5 6 1 kg Heater Shipping Weight 15 lb 6 8 kg 24 www desatech com 117001 01A ACCESSORIES Purchase this heater accessory from your local dealer If they can not supply this accessory
6. Operation between these positions may create a possible health hazard if used in a poorly ventilated room Read owner s manual for complete instructions A CAUTION Do not try to ad 5 Wait five minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the safety information page 12 If you don t smell gas go to the next step 6 Thermostat Models Turn control knob counterclockwise gt to the PILOT position Press in control knob for five 5 seconds Manual Models Press in and turn control knob counterclockwise to the PILOT position Keep control knob pressed in for five 5 seconds 7 With control knob pressed in push down and release ignitor button This will light pilot The pilot is attached to the front of burner Note You may be running this heater for the first time after hooking up to gas supply If so you may need to press in control knob for 30 seconds or more This will allow air to bleed from the gas system If needed keep pressing ignitor button until pilot lights If ignitor does not light pilot refer to Troubleshooting page 16 or contact a qualified service person or gas supplier for repairs Until repairs are made light pilot with match To light pilot with match see Y Manual Lighting Procedure page 14 Figure 19 Pilot 8 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release TO
7. maximum the space can support 60 000 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 maxi mum 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 add ventilation grills between rooms See Ventilation Air From Inside Building B Vent room directly to the outdoors See Ventila tion Air From Outdoors page 7 C Install a lower Btu Hr heater if lower Btu Hr size makes room unconfined Tf the actual Btu Hr used is less than the maximum Btu Hr the space can support the space is an un confined space You will need no additional fresh air ventilation AX WARNING If the area in which the heater may be oper ated is smaller than that defined as an unconfined space or if the building is of unusually tight construction provide adequate combustion and ventilation air by one of the methods described in the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 or applicable local codes VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space When ventilating to an adjoin ing unconfined space you must provide two permanent openings one within 12 30 5 cm of the ceiling and one wi
8. page 16 Note The pilot flame on natural gas units will have a slight curve but flame should be blue and have no yellow or orange color Blue Flame Pilot Burner Thermocouple Figure 20 Correct Pilot Flame Pattern Yellow Flame Thermocouple Pilot Burner Figure 21 Incorrect Pilot Flame Pattern BURNER FLAME PATTERN Figure 22 page 15 shows a correct burner flame pattern Figure 23 page 15 shows an incorrect burner flame pattern The incorrect burner flame pat tern shows yellow tipping of the flame It also shows the flame higher than 1 2 the glass panel height A WARNING If yellow tipping occurs your heater could pro duce increased levels of car bon monoxide If burner flame pattern shows yellow tipping proceed with the following in structions 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 If burner flame pattern is incorrect as shown in Figure 23 page 15 turn heater off see To Turn Off Gas to Appli ance page 13 e see Troubleshooting page 16 14 www desatech com 117001 01A INSPECTING HEATER Continued MADADA ANAA AMA h Models GWN6 and GWP6 will be lower due to lower input rating Figure 22 Correct Burner Flame Pattern Yellow Nah pang Ae W Tipping my A ANAN m IIA f 1 2 GLASS HEIGHT
9. 616 791 0505 1 800 446 1446 www nbmc com Washer Equipment Co 1715 Main Street Kansas City MO 64108 2195 KS MO AR 816 842 3911 www washerparts com East Coast Energy 707 Broadway W Long Branch NJ 07764 1501 732 870 8809 1 800 755 8809 www njplaza com ecep 21st Century 2950 Fretz Valley Perkasie PA 18944 4034 215 795 0400 800 325 4828 Laporte s Parts amp Service 2444 N Sth Street Hartsville SC 29550 7704 843 332 0191 Parts Department Cans Unlimited P O Box 645 Taylor SC 29687 0013 803 879 3009 1 800 845 5301 cuisales aol com 26 www desatech com 117001 01A NOTES 117001 01A www desatech com 27 WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No 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 WARRANTIES FOR NEW AND FACTORY RECONDITIONED PRODUCTS New Products DESA Heating Products warrants this heater and any parts thereof to be free of defects in materials and workmanship for two 2 years from the date of first purchase when operated and maintained in accordance with the manufacturer s ins
10. Figure 23 Incorrect Burner Flame Pattern CLEANING AND MAINTENANCE WARNING Turn off heater and let cool before cleaning AX CAUTION You must keep control areas burner and circu lating 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 clean ing due to excessive lint from carpeting bedding material pet hair etc AX WARNING Failure to keep the primary air opening s of the burner s clean may resultin sooting and property damage ODS PILOT AND BURNER Use a vacuum cleaner pressurized air or small soft bristled brush to clean BURNER PILOT AIR INLET The primary air inlet holes allow the proper amount of air to mix with the gas This provides a clean burning flame Keep these holes clear of dust dirt and lint Clean these air inlet holes prior to each heating season Blocked air holes will create soot We recommend that you clean the unit every three months during operation and have heater inspected yearly by a qualified service person We also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt To clean these parts we recommend using compressed air no greater than 30 PSI Your local computer store hardware store or home center may carry compressed air in a can You can use a vacuum cleaner in the blow position If using com press
11. TURN OFF GAS TO APPLIANCE Shutting Off Heater control knob e If control knob does not pop up when Turn control knob clockwise to the OFF position released contact a qualified service person 1 or gas supplier for repairs 2 Turn off all electric power to the appliance if service is to be performed just heating levels by using the equipment shutoff valve Control_ orr Knob LD IGNITOR Ignitor Button Figure 17 Control Knob In The OFF Position for Manual Control Models Ignitor Button Position for Thermostat Models Ignitor Electrode Pilot Thermocouple Note If pilot goes out repeat steps 4 thru 7 Thermostat models have a safety interlock system Wait one 1 minute before lighting pilot again 9 Turn control knob counterclockwise gt Shutting Off Burner Only pilot stays lit Turn control knob clockwise to the i A PILOT position to desired heating level The main burner should light Manual control heaters should be used in locked positions 117001 01A www desatech com 13 OPERATING HEATER Continued THERMOSTAT CONTROL OPERATION The thermostatic control used on these models differs from standard thermostats Standard thermostats simply turn on and off the burner The thermostat used on this heater senses the room temperature At times the room may exceed the set temperature If so the burner will shut off The burner will cycle back on when ro
12. Warning statement at top of page 1 Ventilate room Stop using odor causing products while heater is running Refill supply tank Locate and correct all leaks see Checking Gas Connec tions page 11 Heater shuts off in use ODS operates Not enough fresh air is avail able Low line pressure ODS pilot is partially clogged Open window and or door for ventilation Contact local natural or pro pane LP gas company Clean ODS pilot see Cleaning and Maintenance page 15 Gas odor even when control knob is in OFF position Gas leak See Warning statement at top of page Control valve defective Locate and correct all leaks see Checking Gas Connec tions page 11 Replace control valve Gas odor during combustion Foreign matter between con trol valve and burner Gas leak See Warning statement at top of page Take apart gas tubing and remove foreign matter Locate and correct all leaks see Checking Gas Connec tions page 11 Moisture condensation noticed on windows Not enough combustion ven tilation air Refer to Air for Combustion and Ventilation requirements page 5 117001 01A www desatech com ILLUSTRATED PARTS BREAKDOWN MODELS GWP6 GWN6 GWP10 AND GWN10 ODS Pilot 117001 01A www desatech com 20 PARTS LIST This list contains replaceable parts us
13. either contact your nearest Parts Central page 26 or call DESA Heating Products at 1 866 672 6040 for referral information You can also write to the address listed on the back page of this manual GA5010 For all models Equipment shutoff valve with 1 8 NPT tap ELECTRONIC IGNITOR KIT GA435 Not Shown For all piezo ignitor models Provides easier lighting of the pilot SERVICE HINTS When Gas Pressure Is Too Low e pilot will not stay lit burner will have delayed ignition e heater will not produce specified heat e propane LP gas supply may be low You may feel your gas pressure is too low If so con tact your local natural or propane LP gas supplier TECHNICAL SERVICE You may have further questions about installation operation or troubleshooting If so contact DESA Heating Products Technical Service Department at 1 866 672 6040 When calling please have your model and serial numbers of your heater ready You can also visit DESA Heating Products techni cal service web site at www desatech com SERVICE PUBLICATIONS 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 Heating Products REPLACEMENT PARTS Note Use only original replacement parts This will protect your warranty coverage for parts replaced under warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original
14. gases 117001 01A www desatech com 21 ILLUSTRATED PARTS BREAKDOWN MODELS GWP10T AND GWN10T ODS Pilot 22 www desatech com 117001 01A PARTS LIST 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 KEY z o PART NO 098304 01 099467 07 099318 04 101108 01 102017 02 098260 11 099319 02 099317 02 098271 09 0 098249 01 4 E 0O0NO Af WND 110803 02 11 1 110186 01 12 104263 03 13 099387 11 14 104259 05 104259 06 15 NJF8C 16 099415 17 099415 18 17 104261 01 18 104264 01 19 098522 11 098522 18 20 kk 21 097159 04 PARTS AVAILABLE NOT SHOWN 100642 02 110803 01 DESCRIPTION Screw 10 x 3 8 Front Panel Assembly Grill Guard Grill Guard Clip Bottom Glass Retainer E Glass Panel Top Glass Retainer Deflector Unit Ignitor Cable Nut M5 ODS Pilot Assembly ODS Pilot Assembly Thermocouple Kit Burner Pilot Tubing Injector 1 Piece Injector 1 Piece Hex Nut Pressure Regulator Pressure Regulator Burner Tubing Regulator Tubing Thermostat Gas Valve Thermostat Gas Valve Cabinet Assembly Piezo Ignitor Assembly Hardware Not a field replaceable part If replacing ODS pilot and your model is pre 2002 your part number will be 100701 03 for natural gas models
15. 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 PROVIDING ADEQUATE VENTILATION The following are excerpts from National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation All spaces in homes fall into one of the three fol lowing ventilation classifications 1 Unusually Tight Construction 2 Unconfined Space 3 Confined Space The information on pages 5 through 7 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 out side atmosphere have a continuous water vapor retarder with a rating of one perm 6 x 10 kg per pa sec m or less with openings 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 p
16. to wall sur faces next to heater Installing heater next to vinyl or cloth wall coverings or operating heater where impurities such as but not limited to tobacco smoke aromatic candles cleaning flu ids oil or kerosene lamps etc in the air exist may discolor walls or cause odors IMPORTANT Vent free heaters add moisture to the air Although this is beneficial installing heater in rooms without enough ventilation air may cause mildew to form from too much moisture See Air for Combustion and Ventilation page 5 If high hu midity is experienced a dehumidifier may be used to help lower the water vapor content in the air For convenience and efficiency install heater e where there is easy access for operation inspec tion and service e in coldest part of room THERMOSTAT SENSING BULB Thermostat Models Only 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 AX WARNING Maintain mini mum clearances shown in Figure 5 page 9 If you can provide greater clearances from floor and joining wall 2 Mark two mounting screw locations on wall see Figure 5 page 9 8 www desatech com 117001 01A INSTALLATION Continued L 8 7 0 7 3 4 a 22 5 cm 14 7 cm aia To y Maintain 6 15 3 cm 4 Clearance 20 1 4 From Wa
17. 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 INCLUD ING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO TWO 2 YEARS FROM THE DATE OF FIRST PURCHASE AND DESA HEATING PRODUCTS LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA HEATING PRODUCTS SHALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCI DENTAL OR CONSEQUENTIAL 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 For information about this warranty write O E ss A INDOOR OUTDOOR PRODUCTS 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com Patent Pending Rev A 117001 01 NOT A UPC ones
18. INDOOR OUTDOOR PRODUCTS UNVENTED VENT FREE BLUE FLAME GAS HEATER SAFETY INFORMATION AND INSTALLATION MANUAL MO We recommend that our products be installed and serviced by professionals who e _ Dom National Fireplace Institute cmima www nficertified org St TTT Le AA MODELS GWN6 GWP6 GWN10 GWP10 GWN10T AND GWP10T WARNING If the information in this manual is not fol lowed 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 Donottouch 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 quali fied installer service agency or the gas supplier Save this manual for future reference For more information visit www desatech com WARNING Improper installation adjustment altera tion service or maintenance can cause injury or prop erty damage Refer to this manual for correct installation and operational procedures For assistance or addi tional information consult a qualified installer servi
19. and other flam mable vapors and liquids 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 Do not place propane LP supply tank s in side any structure Locate propane LP supply tank s outdoors Do not install 10 000 Btu hr units in a bath room 6 000 Btu hr heaters are allowed in a bathroom 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 neighbor s phone Follow the gas supplier s instructions e If you cannot reach your gas supplier call the fire department 117001 01A www desatech com 3 SAFETY INFORMATION Continued 5 This heater needs fresh outside 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 page 5 6 Keep all air openings in the front and bottom of heater clear and free of debris This will insure enough air for proper combustion 7 If heater shuts off do not relight until you provide fresh outside air If heater keeps shutting off have it serviced 8 Do not run heater e where flammable liquids or vapors are used or stored e under dusty conditions 9 Do not use heater if an
20. as line pressure must be no greater than 10 5 inches of water If gas line pressure is higher heater regula tor damage could occur marked location using 9 64 drill bit Replace heater on wall Figure 11 wall Do not over tighten Note Do not replace front panel at this time Replace front panel after making gas connec tions and checking for leaks see pages 10 through 12 Figure 11 Installing Bottom Mounting Screw CONNECTING TO GAS SUPPLY Insert bottom anchor screw through back panel into bottom anchor or drilled hole see Tighten screw until heater is firmly secured to AX WARNING This appliance requires a 3 8 NPT National Pipe Thread inlet connection to the pressure regulator A WARNING A qualified ser vice person must connect heater to gas supply Follow all local codes AX CAUTION For propane LP gas never connect heater di rectly to the propane LP supply This heater requires an external regulator not supplied Install the external regulator between the heater and propane LP supply For propane LP gas the installer must supply an external regulator The external regulator will reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and 14 inches of water If you do not reduce incoming gas pres sure heater regulator damage could occur Install the external regulator with the vent pointing down as shown in Figure 12 Pointing the ven
21. as meter for natural gas see Figure 15 or propane LP supply tank for propane LP gas to equipment shutoff valve see Figure 16 Apply a noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once PRESSURE TESTING HEATER GAS CONNECTIONS de 2 Open equipment shutoff valve see Figure 14 For natural gas open main gas valve located on or near gas meter For propane LP gas open propane LP supply tank valve all joints Bubbles forming show a leak Correct all leaks at once Light heater see Operating Heater Check all other internal joints for leaks Turn off heater see To Turn Off Gas to Appli ance page 13 Replace front panel OPERATING HEATER i FOR YOUR SAFETY READ BEFORE LIGHTING A WARNING If you do not fol low these instructions exactly a fire or explosion may result causing property damage per sonal injury or loss of life Open Equipment Shutoff Valve i i Closed Figure 14 Equipment Shutoff Valve f A M s Control A Valve Gas Location Meter TTT TTT e Natural Gas Propane LP ME Supply Tank Y K Eia Location TT Shutoff Valve Figure 16 Checking Gas Joints for Propane LP Gas Equipment A This appliance has a pilot which m
22. ce agency or the gas supplier WARNING This is an unvented gas fired heater It uses air oxygen from the room in which it is installed Provi sions for adequate combustion and ventilation air must be provided Refer to Air for Combustion and Ventilation section on page 5 of this manual This appliance may be installed in an aftermarket per manently located manufactured mobile home where not prohibited by local codes This appliance is only for use with the type of gas indi cated on the rating plate This appliance is not convert ible for use with other gases Aftermarket Completion of sale not for purpose of resale from the manufacturer State of Massachusetts The installation must be made by a licensed plumber or gas fitter in the Commonwealth of Massachusetts Sellers of unvented propane or natural gas fired supplemental room heaters shall provide to each purchaser a copy of 527 CMR 30 upon sale of the unit Vent free gas products are prohibited for bedroom and bathroom installation in the Common wealth of Massachusetts TABLE OF CONTENTS Safety Information ooononinncnnnncicccnnncnconccnnnccnncnns 3 Troubleshooting cccsssccsecevsccceceesverneeeeeneeeescens 16 Product Identification ooooonnonninnnnccnnnnnnnccnnccno 4 Illustrated Parts Breakdown and Parts List 20 Local COGES cta eee A SPeCifications ia 0 iii 24 Un PACKING sisien Stewcteseeeseeesstiegldeascreayieesc
23. ctasecenes 4 ACCOSSOMOS ie cares torear tiara 25 Product Feat re Sirisiri 4 Service HIN S cooiocoiccrinaoi rs 25 Air For Combustion and Ventilation 5 Technical Service aseene d 25 e A A TO Service Publications ssie 25 Operating Heater ooooccconccnccinccioncconccconcccnncnnnnos 12 Replacement Parts ccccesseesseeeeeeeteeeeeeee 25 Inspecting Heater 0 0 0 2 ceeeeeeeeeeeeteeeeeeeeeeeeee 14 Parts Central its 26 Cleaning and MaintenanCe ooocccinccnicconoccconccones 15 Warranty Information cceeee Back cover www desatech com 117001 01A SAFETY INFORMATION A WARNING This product contains and or generates chemicals known to the State of California to cause cancer or birth defects or other reproduc tive harm IMPORTANT Read this owners 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 fire explosion electrical shock and carbon monoxide poisoning AX DANGER Carbon monoxide poisoning may lead to death Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with headaches dizziness 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
24. ed air in a can please follow the directions on the can If you 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 Inspect burner pilot for dust and dirt 3 Blow air through the ports slots and holes in the burner 4 Never insert objects into the pilot tube Clean the pilot assembly also A yellow tip on the pilot flame indicates dust and dirt in the pilot as sembly There is a small pilot air inlet about two inches from where the pilot flame comes out of the pilot assembly see Figure 24 With the unit off lightly blow air through the air inlet You may blow through a drinking straw if compressed air is not available Figure 24 Pilot Air Inlet Hole CABINET Air Passageways Use a vacuum cleaner or pressurized air to clean Exterior Use a soft cloth dampened with a mild soap and water mixture Wipe the cabinet to remove dust 117001 01A www desatech com 15 TROUBLESHOOTING WARNING Turn off and unplug heater and let cool before servicing Only a qualified service person should service and repair heater A CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit Note All troubleshooting items are listed in order of operation POSSIBLE CAUSE OBSERVED PROBLEM REMEDY When ignitor button is pressed in there is n
25. ed in your heater When ordering parts follow the instructions listed under Replacement Parts on page 25 of this manual KEY NO PARTNO DESCRIPTION 1 098304 01 Screw 10 x 3 8 099467 07 Front Panel 099318 04 Grill Guard 101108 01 Grill Guard Clip 102017 02 Bottom Glass Retainer 098260 11 Glass Panel E 099319 02 Top Glass Retainer 099317 02 Deflector Unit 098271 09 Ignitor Cable O 098249 01 Nut M5 1 110803 01 ODS Pilot Assembly 110803 02 ODS Pilot Assembly 11 1 E 110186 01 Thermocouple Kit 12 104263 03 Burner 104263 02 Burner 13 099387 17 Pilot Tubing 14 104259 01 Injector 1 piece 104259 02 Injector 1 piece 104259 03 Injector 1 piece 104259 04 Injector 1 piece 15 NJF 8C Hex Nut 16 099415 17 Pressure Regulator 099415 18 Pressure Regulator 17 099462 01 Burner Tubing 18 099391 02 Regulator Tubing 19 099413 01 Control Valve 099413 02 Control Valve 20 ae Cabinet Assembly 21 097159 04 Piezo Ignitor 22 099393 02 Control Knob 23 098508 01 Valve Retainer Nut 24 099818 01 Internal Tooth Washer S 0O0N OOF WND NEN ER PR A P gt SRARERE lt 100642 02 Assembly EEE E oe 050 1 Not a field replaceable part If replacing ODS pilot and your model is pre 2002 your part number will be 100701 03 for natural gas models 099059 03 for propane LP models The thermocouple part number will be 098514 01 for both gases The electrode part number will be 098594 01 for both
26. er is damaged promptly return to where you bought heater PRODUCT FEATURES SAFETY DEVICE This heater has a pilot with an Oxygen Deple tion Sensing ODS safety shutoff system The ODS pilot is a required feature for vent free room heaters The ODS pilot shuts off the heater if there is not enough fresh air PIEZO IGNITION SYSTEM This heater has a piezo ignitor This system re quires no matches batteries or other sources to light heater THERMOSTATIC HEAT CONTROL Thermostat Models Only Thermostat models have a thermostat sensing bulb and a control valve This results in the great est heater comfort This can also result in lower gas bills 4 www desatech com 117001 01A AIR FOR COMBUSTION AND VENTILATION AX WARNING This heater shall not be installed in a confined space or unusually tight con struction unless provisions are provided for adequate combus tion 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 it is good to make your home energy effi cient your home needs
27. in which you will install heater plus any adjoining rooms with doorless pas sageways or ventilation grills between the rooms 1 Determine the volume of the space length x width x height Length x Width x Height volume of space Example Space size 20 ft 6 1 m length x 16 ft 4 88 m width x 8 ft 2 44 m ceiling height 2560 cu ft 72 49 m volume of space If additional ventilation to adjoining room is supplied with grills or openings add the volume of these rooms to the total volume of the space cu ft 2 Multiply the space volume by 20 to determine the maximum Btu Hr the space can support volume of space x 20 Maxi mum Btu Hr the space can support Example 2 560 cu ft 72 49 m volume of space x 20 51 200 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 Do not include direct vent gas appliances Di rect vent draws combustion air from the outdoors and vents to the outdoors Example Gas water heater 50 000 Btu Hr Vent free heater _ 10 000 Btu Hr Total __60 000__ Btu Hr 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 51 200 Btu Hr
28. lates 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 these three cri teria you must provide additional fresh air See Ventilation Air From Outdoors page 7 If your home does not meet all of the three criteria above proceed to Determin ing Fresh Air Flow For Heater Location page 6 Confined and Unconfined Space The National Fuel Gas Code ANSI Z223 1 NFPA 54 defines a confined space as a space whose volume is less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space and an unconfined space as a space whose volume is not less than 50 cubic feet per 1 000 Btu per hour 4 8 m per kw of the aggregate input rating of all appliances installed in that space Rooms com municating directly with the space in which the appliances are installed through openings not furnished with doors are considered a part of the unconfined space Adjoining rooms are communicating only if there are doorless passageways or ventilation grills between them 117001 01A www desatech com 5 AIR FOR COMBUSTION AND VENTILATION Continued DETERMINING FRESH AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this work sheet to determine if you have a confined or unconfined space Space Includes the room
29. ll Mounting 51 4 cm oO Screw Minimum To Zz Locations Maintain 3 z 7 7 cm Q Clearance From Floor FLOOR Figure 5 Mounting Screw Locations 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 Insert mounting screw into wall stud 3 Tighten screw until 1 16 1 6 mm space thick ness 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 4 3 2 cm deep Fold wall anchor see Figure 6 3 Insert wall anchor wings first into hole Tap anchor flush to wall 4 For thin walls 1 2 1 3 cm 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 1 3 cm thick or solid walls do not pop open wings 5 Tighten two screws until 1 16 1 6 mm space thickness of penny is between screwheads and wall see Figure 8 Thin or Thick Wall thick wall shown 1 16 1 6 mm Space Figure 8 Tightening Anchor
30. ly page 10 PRESSURE TESTING GAS SUPPLY PIPING SYSTEM Test Pressures In Excess Of 1 2 PSIG 3 5 kPa 1 Disconnect appliance with its appliance main gas valve control valve and equipment 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 equipment shutoff valve was connected 3 Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air 4 Check all joints of gas supply piping system Apply a noncorrosive leak detection fluid to all joints Bubbles forming show a leak 5 Correct all leaks at once 6 Reconnect heater and equipment shutoff valve to gas supply Check reconnected fit tings for leaks 117001 01A www desatech com INSTALLATION Continued Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa Make sure control knob of heater is in the OFF position Check all joints from equipment shutoff valve to thermostat gas valve see Figure 15 or 16 Apply a noncorrosive leak detection fluid to 1 2 4 Close equipment shutoff valve see Figure 14 Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air Check all joints from g
31. o spark at ODS pilot 1 ANN Ignitor electrode positioned wrong Ignitor electrode broken Ignitor electrode not connected to ignitor cable Ignitor cable pinched or wet Broken ignitor cable Bad piezo ignitor Piezo ignitor nut is loose 1 a Replace pilot assembly Replace pilot assembly Reconnect ignitor cable Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry Replace ignitor cable Replace piezo Tighten nut holding piezo ignitor Nut is located inside heater cabinet at top When ignitor button is pressed in there is a spark at ODS Pilot but no ignition 1 Gas supply turned off or equip ment shutoff valve closed Control knob not in PILOT position Control knob not pressed in while in PILOT position Turn on gas supply or open equipment shutoff valve Turn control knob to PILOT position Press in control knob while in PILOT position 4 Air in gas lines when in 4 Continue holding down con stalled trol knob Repeat igniting operation until air is removed 5 Depleted gas supply propane 5 Contact local propane LP gas LP only company 6 ODS pilot is clogged 6 Clean ODS pilot see Cleaning and Maintenance page 15 or replace ODS pilot assembly 7 Gas regulator setting is not 7 Replace gas regulator correct 16 www desatech com 117001 01A OBSERVED PROBLEM ODS pilot lights but flame goes out when cont
32. om temperature drops below the set temperature The control knob can be set to any heat level between 1 and 5 This adjusts the amount of gas flow to the burner that increases or decreases the burner flame height Note The thermostat sensing bulb measures the temperature of air near the heater cabinet This may not always agree with room tem perature depending on housing construction installation location room size open air tem peratures etc Frequent use of your heater will let you determine your own comfort levels MANUAL LIGHTING PROCEDURE Remove front panel see Figure 10 page 9 Follow steps 1 through 7 under Lighting Instructions page 13 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 Now follow step 9 under Lighting Instructions page 13 5 Replace front panel INSPECTING HEATER Check pilot flame pattern and burner flame pat tern often PILOT FLAME PATTERN Figure 20 shows a correct pilot flame pattern Figure 21 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 If pilot flame pattern is incorrect as shown in Figure 21 e turn heater off see To Turn Off Gas to Appli ance page 13 e see Troubleshooting
33. replacement part s call DESA Heating Products Technical Service Department at 1 866 672 6040 When calling DESA Heating Products have ready e your name e your address e model and serial numbers of your heater e how heater was malfunctioning e type of gas used propane LP or natural gas e purchase date Usually we will ask you to return the part to the factory PARTS NOT UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s either contact your nearest Parts Central see page 26 or call DESA Heating Products at 1 866 672 6040 for referral information When calling DESA Heating Products have ready e model number of your heater the replacement part number 117001 01A www desatech com 25 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 Tool amp Equipment Co 5 Manila Ave Hamden CT 06514 0322 1 800 397 7553 203 248 7553 Portable Heater Parts 342 N County Rd 400 East Valparaiso IN 46383 9704 219 462 7441 1 888 619 7060 www portableheaterparts com sales portableheaterparts com techservice portableheaterparts com FBD 1349 Adams Street Bowling Green KY 42103 3414 270 846 1199 1 800 654 8534 Fax 1 800 846 0090 franktalk aol com Master Parts Dist 1251 Mound Ave NW Grand Rapids MI 49504 2672
34. rol knob is released Continued POSSIBLE CAUSE L 2 Control knob not fully pressed in Control knob not pressed in long enough Equipment shutoff valve not fully open Thermocouple connection loose at control valve Pilot flame not touching ther mocouple which allows ther mocouple 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 6 e ODS pilot Thermocouple damaged Control valve damaged TROUBLESHOOTING REMEDY 1 2 Press in control knob fully After ODS pilot lights keep control knob pressed in 30 seconds Fully open equipment shutoff valve Hand tighten until snug then tighten 1 4 turn more A Contact local natural or propane LP gas company B Clean ODS pilot see Cleaning and Maintenance page 15 or replace ODS pilot assembly Replace pilot assembly Replace control valve Burner does not light after ODS pilot is lit Burner orifice is clogged Inlet gas pressure is too low 1 2 Clean burner orifice see Clean ing and Maintenance page 15 or replace burner orifice Contact local natural or pro pane LP gas company Delayed ignition of burner Manifold pressure is too low Burner orifice is clogged 1 2 Contact local natural or pro pane LP gas company Clean burner orifice see Clean ing and Maintenance page 15
35. s 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 A 4 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 See Figure 10 2 Lift straight up on grill guard until it stops Grill guard will slide up about 1 4 6 4 mm 3 Pull bottom of front panel forward then down Figure 10 Removing Front Panel Of Mu a Heater x SS NT YQ Figure 6 Folding Figure 7 Popping Anchor Open Anchor Wings For Thin Walls 117001 01A www desatech com 9 INSTALLATION Continued Installing Bottom Mounting Screw 1 que 19 gt Locate bottom mounting hole This hole is near bottom on back panel of heater see Figure 11 Mark screw location on wall Remove heater from wall Tf installing bottom mounting screw into hol low or solid wall install wall anchor Follow steps 1 through 5 under Attaching To Wall Anchor Method page 9 If installing bottom mounting screw into wall stud drill hole at WARNING For natural gas never connect heater to private non utility gas wells This gas is commonly known as wellhead gas IMPORTANT For natural gas check gas line pressure before connecting heater to gas line G
36. t down protects it from freezing rain or sleet A CAUTION Use only new black iron or steel pipe Inter nally tinned copper tubing may be used in certain areas Check your local codes Use pipe of large enough diameter to allow proper gas volume to heater If pipe is too small undue loss of volume will occur Propane LP Supply Tank External Regulator Vent Pointing Down v Figure 12 External Regulator With Vent Pointing Down Propane LP only www desatech com 117001 01A INSTALLATION Continued Installation must include equipment shutoff valve 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 IMPORTANT Install an equipment shutoff valve in an accessible location The equipment shutoff valve is for turning on or shutting off the gas to the appliance Apply pipe joint sealant lightly to male NPT threads This will prevent excess sealant from going into pipe Excess sealant in pipe could result in clogged heater valves AX WARNING Use pipe joint sealant that is resistant to liquid petroleum LP gas Install sediment trap in supply line as shown in Figure 13 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 hea
37. t shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection The optional CSA design certified equipment shutoff valve can be purchased from your dealer See Accessories page 25 117001 01A www desatech com T INSTALLATION Continued LOCATING HEATER This heater is designed to be mounted on a wall Ay WARNING Maintain the minimum clearances shown in Figure 4 If you can provide greater clearances from floor ceiling and joining wall AX WARNING Never install the heater e in a bathroom 10 000 Btu hr only 6 000 Btu hr models are allowed in a bathroom Check local codes e in a recreational vehicle e where curtains furniture clothing or other flammable objects are less than 36 91 5 cm 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 CEILING A AA 6 36 91 5 cm 15 3 cm Minimum Minimum From Sides Of moron Heater YUU Right Side 3 7 7 cm Minimum To Top Surface Of Carpeting Tile Or Other Combustible Material Figure 4 Mounting Clearances As Viewed From Front of Heater A CAUTION If you install the heater in a home garage e heater pilot and burner must be at least 18 45 7 cm above floor e locate heater where moving vehicle will not hit it AX CAUTION This heater cre ates warm air currents These currents move heat
38. ter controls If sediment trap is not installed or is installed wrong heater may not run properly 3 8 NPT Pipe Nipple Pressure Regulator Ground Joint ee Heater Cabinet Equipment Shutoff Tee Joint S Valve Reducer 3 Bushing tol Natural Gas 1 8 NPT 8 P 1 8 NPT qe Plug Tap_ 3 to 10 5 W C 3 RO Pressure i E Propane LP E From External Regulator Cap Pipe Tee 11 W C to 14 ar Nipple Joint W C Pressure Sediment Trap Figure 13 Gas Connection ACSA design certified equipment shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the optional CSA design certified equipment shutoff valve from your dealer See Accessories page 25 IMPORTANT Hold the pressure regulator with wrench when connecting it to gas piping and or fittings Do not over tighten pipe connection to regulator The regulator body could be damaged CHECKING GAS CONNECTIONS AR WARNING Testall gas piping and connections internal and external to unit for leaks after installing or servicing Correct all leaks at once AX WARNING Never use an open flame to check for a leak Apply a noncorrosive leak detec tion fluid to all joints Bubbles forming show a leak Correct all leaks at once A CAUTION For propane LP gas make sure external regula tor has been installed between propane LP supply and heater See guidelines under Connect ing to Gas Supp
39. thin 12 30 5 cm of the floor on the wall connecting the two spaces see options and 2 Figure 2 page 7 You can also remove door into adjoining room see option 3 Figure 2 page 7 Follow the National Fuel Gas Code ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts 6 www desatech com 117001 01A AIR FOR COMBUSTION AND VENTILATION Continued Ventilation Grills fs Into Adjoining Room Ventilation hi Option 2 Grills Or into Adjoining Remove oom Door into Option 1 Adjoining Room w Option 3 O oo J Figure 2 Ventilation Air from Inside Building Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two permanent open ings one within 12 30 5 cm of the ceiling and one within 12 30 5 cm of the floor 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 ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation for required size 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 SS Ventilated Attic
40. tructions These warranties are extended only to the original retail purchaser when proof of purchase is provided Factory Reconditioned Heaters DESA Heating Products warrants this factory reconditioned heater and any parts thereof to be free of defects in materials and workmanship for thirty 30 days from the date of first purchase when operated and maintained in accordance with the manufacturer s instructions These warranties are extended only to the original retail purchaser when proof of purchase is provided This warranty is extended only to the original retail purchaser This warranty covers only the cost of part s required to restore this heater to proper operating condition Warranty part s MUST be obtained through authorized dealers of this product and or DESA Heating Products 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 damaged as a result 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
41. ust be lighted by hand When lighting the pilot follow these instructions exactly 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 e Do not try to light any appliance e 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 e 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 Force or attempted repair may result in a fire or explosion 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 12 www desatech com 117001 01A OPERATING HEATER Continued LIGHTING MA ocon MN STOP Read the safety information page 12 Make sure equipment shutoff valve is fully open Turn off any electric power to the appliance if service is to be performed Turn control knob clockwise to the OFF position A WARNING Always operate manual control heaters at the locked positions
42. women people with heart or lung disease or anemia those under the influence of alcohol and those at high altitudes Natural and Propane LP Gas Natural and Pro pane LP gases are odorless An odor making agent is added to these gases 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 warn ings Keep this manual for reference It is your guide to safe and proper operation of this heater AX WARNING Any change to this heater or its controls can be dangerous AX WARNING Do not use a blower insert heat exchanger insert or other accessory not ap proved for use with this heater Due to high temperatures the appliance should be located out of traffic and away from furniture and draperies Do not place clothing or other flammable material on or near the appliance Never place any objects on the heater Surface of heater becomes very hot when running heater Keep children and adults away from hot surface to avoid burns or clothing ignition Heater will remain hot for a time after shut down Allow surface to cool before touching Carefully supervise young chil dren when they are in the same room with heater Make sure grill guard is in place before running heater Keep the appliance area clear and free from combustible ma terials gasoline
43. y 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 10 Turn off heater and let cool before servicing Only a qualified service person should service and repair heater 11 Operating heater above elevations of 4 500 feet 1 371 m could cause pilot outage 12 To prevent performance problems do not use propane LP fuel tank of less than 100 lbs 45 kg capacity 13 Before using furniture polish wax carpet cleaner or similar products turn heater off If heated the vapors from these products may create a white powder residue within burner box or on adjacent walls or furniture 14 Provide adequate clearances around air openings LOCAL CODES Install and use heater with care Follow all local codes In the absence of local codes use the lat est edition of The National Fuel Gas Code ANSI Z223 1 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 PRODUCT IDENTIFICATION Ignitor Button Control Knob Grill Guard Mo Heater Cabinet Figure 1 Vent Free 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 heat
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