Desa BG30N Gas Heater User Manual
Contents
1. Heater Spacer Side View Figure 12 Installing Bottom Mounting Screws INSTALLATION Continued CONNECTING TO GAS SUPPLY 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 WARNING For natural gas neverconnectheaterto private non utility gas wells This gas is com monly known as wellhead gas IMPORTANT For natural gas check gas line pressure before connecting heater to gas line Gas line pressure must be no greater than 10 5 inches of water If gas line pressure is higher heater regula tor damage could occur A CAUTION For propane LP gas never connectheater directly to the propane LP supply This heater requires an external regu lator 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 14 Pointing the vent down protects it from freezing rain or sleet2. eee 25 Air For Combustion And Ventilation 5 Replacement Parts sess 25 lnstollatlOn eene rrr ai 7 Illustrated Parts Breakdown and Parts List 26 Operating Healet reine 15 NCCOSSORES niet ete ote Inspecting Heater 55 cient nnes 18 Parts Centrals Cleaning and Maintenance 19 Warranty Information 2 www desatech com 114683 01B SAFETY INFORMATION IMPORTANT Read this owner s manual carefully and completely before trying to assemble operate or service this heater Improper use of this heater can cause serious injury or death from burns fire explosion electrical shock and carbon monoxide poisoning A DANGER Carbon monoxide poisoning may lead to death 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 Carbon Monoxide Poisoning Early signs of carbon monoxide poisoning resemble the flu with head aches 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
3. M S eg Figure 14 External Regulator With Vent Pointing Down 12 www desatech com 114683 01B INSTALLATION Continued 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 Pressure Regulator Heater Cabinet 3 8 NPT Pipe Nipple 5 Ground Joint E Tee Joint Union Reducer Equipment amp Bushing to Shutoff o 1 8 NPT Valve a 1 8 NPT 9 Plug Tap p 8 3 Min E S Tee Joint Pipe 9 4 Nipple Natural Gas E Ca From Gas Meter E P 4 W C to 10 5 W C o Pressure Propane LP From External Regulator 11 W C to 14 W C Pressure Figure 15 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 30 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 anoncorrosive leak detec tion fluid to all joints Bubbles forming show a leak Correct all leaks at once Ay CAUTION For propane LP gas make sure external regula tor has been install
4. 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 Typical Inlet Pipe Diameter 30 000 Btu Hr Models 1 2 or greater 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 15 page 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 Ay WARNING Use pipe joint sealant that is resistant to liquid petroleum LP gas Install sediment trap in supply line as shown in Figure 15 page 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 heater controls If sediment trap is not installed or is installed wrong heater may not run properly External Regulator Propane LP Supply Tank Vent Pointing Down o ES o
5. propane LP gas company mocouple to cool causing pilot flame to go out This B Clean ODS pilot see problem could be caused by Cleaning and Maintenance one or both of the following page 19 or replace ODS pilot A Low gas pressure assembly B Dirty or partially clogged ODS pilot 7 Thermocouple damaged 7 Replace pilot assembly 8 Control valve damaged 8 Replace control valve Burner does not light after ODS 1 Burner orifice is clogged 1 Clean burner see Cleaning pilot is lit and Maintenance page 19 or replace burner orifice 2 Inlet gas pressure is too low 2 Contact local natural or pro pane LP gas company Delayed ignition of burner 1 Manifold pressure is too low 1 Contact local natural or pro pane LP gas company 2 Burner orifice is clogged 2 Clean burner see Cleaning and Maintenance page 19 or replace burner orifice Burner backfiring during com 1 Burner orifice is clogged or 1 Clean burner see Cleaning bustion damaged and Maintenance page 19 or replace burner orifice 2 Burner damaged 2 Replace burner 3 Gas regulator defective 3 Replace gas regulator 114683 01B www desatech com 21 OBSERVED PROBLEM Continued POSSIBLE CAUSE TROUBLESHOOTING REMEDY Yellow flame during burner 1 Not enough air 1 Check burner for dirt and combustion debris If found clean burner see Cleaning and Mainte nance page 19 2 Gas regulator defective 2 Replace gas regulator 3 Clogged or
6. Fax 616 791 8270 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 Products 707 Broadway W Long Branch NJ 07764 1542 732 870 8809 1 800 755 8809 www njplaza com ecep 21st Century 2950 Fretz Valley Road 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 Inc P O Box 645 Taylor SC 29687 0013 All States 803 879 3009 1 800 845 5301 cuisales aol com 114683 01B www desatech com 31 WARRANTY INFORMATION KEEP THIS WARRANTY Model Serial No Date of Purchase 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 VENT FREE RESIDENTIAL GAS HEATERS DESA Heating Products warrants this product to be free from defects in materials and components for two 2 years 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
7. Injector 099066 02 099066 02 099066 02 099066 02 Mounting Bracket 099415 17 099415 18 099415 17 099415 18 Gas Regulator NJF 8C NJF 8C NJF 8C NJF 8C Hex Nut 103570 04 103570 04 103570 04 103570 04 Outlet Tubing 103572 03 103572 03 103572 03 103572 03 Inlet Tubing 109303 03 109303 03 109303 03 109303 03 Baffle 098354 02 098354 02 098354 02 098354 02 Control Knob PARTS AVAILABLE NOT SHOWN 100642 03 100642 03 100642 03 100642 03 Hardware Assembly 105345 01 105345 01 105345 01 105345 01 Cable Tie 107888 01 107888 01 107888 01 107888 01 Control Position Label 111051 01 111051 01 111051 01 111051 01 Lighting Instruction Label 2 gt 200X002h0NnN rS wn N ek 23 LX 2x cx Odo occ o00 A puo ces Suse fA S lS N Not a field replaceable part 114683 01B www desatech com 27 ILLUSTRATED PARTS BREAKDOWN MODELS BG30NT BG30PT FG30NT FG30PT GG30NT GG30PT RG30NT RG30PT GMG30NT GMG30PT 28 www desatech com 114683 01B 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 PART NUMBER BG30NT BG30PT KEY FG30NT FG30PT RG30NT RG30PT NO GG30NT GG30PT GMG30NT GMG30PT DESCRIPTION 097159 04 097159 04 097159 04 097159 04 Piezo Ignitor 107676 01 107676 01 107676
8. 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 walls and ceilings exposed to the out side atmosphere have a continuous water vapor retarder with a rating of one perm 6x10 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 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 additional fresh air See Ventilation Air From Outdoors page 7 If your home does not meet all of the three criteria above proceed to Determining
9. adjoining room or add ventilation grills between rooms See Ventilation Air From Inside Building page 7 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 If the actual Btu Hr used is less than the maximum Btu Hr the space can support the space is an uncon fined 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 6 www desatech com 114683 01B AIR FOR COMBUSTION AND VENTILATION Continued VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining un confined space When ventilating to an adjoining unconfined space you must provide two perma nent 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 ANSI Z223 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation for required size of ventilation grills or ducts Ven
10. and joining wall You can locate heater on floor away from a wall An optional floor mounting stand is needed Pur chase the floor mounting stand from your dealer See Accessories page 30 AX WARNING Never install the heater in a bedroom or bathroom inarecreational 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 in windy or drafty areas AX CAUTION This heater cre ates warm air currents These currents move heat 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 orkerosene 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 inrooms without enough ventilation air may cause mildew to form from too much moisture See Air for Combustion and Ventilation page 5 1f high hu midity is experienced a dehumidifier may be used to help lower the water vapor content in the air A CAUTION When installing heater in a home garage heater pilotand burner mustbe at least 18 inches above floor locate heater where moving vehicle will not hit it For convenience and efficiency in
11. any part of the control system and any gas control which has been under water 11 Turn off and let cool before servicing Only a qualified service person should service and repair heater 12 Operating heater above elevations of 4 500 feet could cause pilot outage 13 To prevent performance problems do not use propane LP fuel tank of less than 100 Ibs capacity 14 Provide adequate clearances around air openings LOCAL CODES Install and use heater with care Follow all lo cal codes In the absence of local codes use the latest edition of 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 Control Knob Ignitor Button Heater Cabinet 0 Grill Guard Heat Shield Front Panel 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 heater is damaged promptly inform dealer 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 SY
12. dirty burner 3 Clean burner see Cleaning and Maintenance page 19 Slight smoke orodorduringinitial 1 Residues from manufacturing 1 Problem will stop after a few operation processes hours of operation Heater producesa whistlingnoise 1 Turning control knob to 5 1 Turn control knob to 1 posi when burner is lit position when burner is cold tion and let warm up for a minute 2 Air in gas line 2 Operate burner until air is removed from line Have gas line checked by local natural or propane LP gas company 3 Air passageways on heater 3 Observe minimum installation blocked clearances see Figure 4 page 8 4 Dirty or partially clogged 4 Clean burner see Cleaning burner orifice and Maintenance page 19 or replace burner orifice White powder residue forming 1 When heated vapors from 1 Turn heater off when using within burner box or on adjacent furniture polish wax carpet furniture polish wax carpet walls or furniture cleaners etc may turn into cleaners or similar products white powder residue Heater produces a clicking tick 1 Metal expanding while heating 1 This is common with most heat ing noise just after burner is lit or shut off or contracting while cooling ers If noise is excessive contact qualified service person 22 www desatech com 114683 01B TROUBLESHOOTING Continued A WARNING If you smell gas e Shut off gas supply Do not try to light any appliance building low the gas supplier
13. for natural gas see Figure 17 or propane LP supply tank for propane LP gas to equipment shutoff valve see Figure 18 Apply a noncorrosive leak detection fluid to all joints Bubbles forming show a leak Correct all leaks at once PRESSURE TESTING HEATER GAS CONNECTIONS A Open equipment shutoff valve see Figure 16 page 13 Thermostat Gas Valve 0000000 Meter Y Gas Y 4 v Figure 17 Checking Gas Joints for Natural Gas Thermostat Gas Valve CS 2 For natural gas open main gas valve located nta Yy i upply Tank on or near gas meter For propane LP gas open propane LP supply tank valve 3 Make sure control knob of heater is in the OFF position o 4 Check all joints from equipment shutoff valve to thermostat gas valve see Figure 17 or 18 Apply a noncorrosive leak detection fluid to all joints Bubbles forming show a leak 5 Correct all leaks at once E 6 Light heater see Operating Heater starting 1 Ser Equipment Shutoff Valve on page 15 Check all other internal joints for UU leaks Figure 18 Checking Gas Joints for 7 Turn off heater see To Turn Off Gas to Appli Propane LP Gas ance page 16 or 17 depending on your model heater 8 Replace front panel 14 www desatech com 114683 01B OPERATING HEATER MANUAL CONTROL MODELS BH FOR YOUR SAFETY READ BEFORE LIGHTING Ad WARNING If you do no
14. 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 Heat ing Products Authorized Service Center 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 FULLEXTENT 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 ON ALL COMPONENTS 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 SH
15. 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 Ay 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 A WARNING This appliance is equipped for natural or pro pane LP gas Field conversion is not permitted 114683 01B www desatech com 7 INSTALLATION Continued INSTALLATION ITEMS Before installing heater make sure you have the items listed below e for propane LP gas external regulator supplied by installer piping check local codes sealant resistant to propane LP gas equipment shutoff valve ground joint union sediment trap tee joint pipe wrench for natural gas test gauge connection ACSA design certified equipment 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 30 LOCATING HEATER This heater is designed to be mounted on a wall A WARNING Maintain the minimum clearances shown in Figure 4 If you can provide greater clearances from floor ceiling
16. 01 107676 01 Front Panel 103476 02 103476 02 103476 02 103476 02 Grill Guard 098522 12 098522 13 098522 12 098522 13 Thermostat Gas Valve 109303 03 109303 03 109303 03 109303 03 Baffle 104658 01 104658 01 104658 01 104658 01 Heat Shield x a i i Cabinet 107894 11 107894 11 107894 11 107894 11 Deflector Assembly 098271 09 098271 09 098271 09 098271 09 Ignitor Cable 098249 01 098249 01 098249 01 098249 01 Nut 110803 01 110803 02 110803 01 110803 02 ODS Pilot Assembly 110186 01 110186 01 110186 01 110186 01 Thermocouple Kit 103447 01 103447 01 103447 01 103447 01 Burner 099387 03 099387 03 099387 03 099387 03 Pilot Tubing 103845 08 103845 07 103845 08 103845 07 Injector 099066 02 099066 02 099066 02 099066 02 Mounting Bracket 099415 17 099415 18 099415 17 099415 18 Gas Regulator NJF 8C NJF 8C NJF 8C NJF 8C Hex Nut 103255 02 103255 02 103255 02 103255 02 Outlet Tubing 103256 02 103256 02 103256 02 103256 02 Inlet Tubing PARTS AVAILABLE NOT SHOWN 100642 03 100642 03 100642 03 100642 03 Hardware Assembly 107888 01 107888 01 107888 01 107888 01 Control Position Label 111051 01 111051 01 111051 01 111051 01 Lighting Instruction Label 2 3 4 5 6 7 8 9 1 1 A A x ccu Not a field replaceable part 114683 01B www desatech com 29 ACCESSORIES Purchase these heater accessories fro
17. 1 Turn on gas supply or open there is spark at ODS pilot but ment shutoff valve closed equipment shutoff valve no ignition 2 Control knob not in PILOT 2 Turn control knob to PILOT position position 3 Control knob not pressed in 3 Press in control knob while in while in PILOT position PILOT position 4 Air in gas lines when in 4 Continue holding down con stalled trol knob Repeat igniting op eration until air is removed 5 Depleted gas supply propane 5 Contact local propane LP gas LP gas only company 6 ODS pilot is clogged 6 Clean ODS pilot see Cleaning and Maintenance page 19 or replace ODS pilot assembly 7 Gas regulator setting is not 7 Replace gas regulator correct 20 www desatech com 114683 01B Continued TROUBLESHOOTING OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS pilot lights but flame goes 1 Control knob not fully pressed in 1 Press in control knob fully out when control knob is re 2 Control knob not pressed in 2 After ODS pilot lights keep con leased long enough trol knob pressed in 30 seconds 3 Safety interlock system has 3 Wait one minute for safety in been triggered terlock system to reset Repeat ignition operation 4 Equipment shutoff valve not 4 Fully open equipment shutoff fully open valve 5 Thermocouple connection 5 Hand tighten until snug then loose at control valve tighten 1 4 turn more 6 Pilot flame not touching ther 6 A Contact local natural or mocouple which allows ther
18. ALL NOT BE LIABLE FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT INCIDENTAL 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 DE A HEATING PRODUCTS 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com M HIN 114683 01 Rev B 114683 01 NOT A UPC 07 04
19. DESA HEATING PRODUCTS UNVENTED VENT FREE BLUE FLAME GAS GARAGE HEATER SAFETY INFORMATION AND INSTALLATION MANUAL We recommend that our products be installed and 9 serviced by professionals who National Fireplace Institute INSTITUIE gain rum www nficertified org BG30N BG30NT BG30P BG30PT FG30N FG30NT FG30P FG30PT GG30N GG30NT GG30P GG30PT RG30N RG3ONT RG30P RG30PT GMG30N GMG30NT GMG30P GMG30PT 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 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 supplierfromaneighbor s phone Follow the gas supplier s instructions f 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 procedur
20. ESA Heating Products have ready model number of your heater the replacement part number 114683 01B www desatech com 25 ILLUSTRATED PARTS BREAKDOWN MODELS BG30N BG30P FG30N FG30P GG30N GG30P RG30N RG30P GMG30N GMG30P 26 www desatech com 114683 01B 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 PART NUMBER BG30N BG30P KEY FG30N FG30P RG30N RG30P NO GG30N GG30P GMG30N GMG30P DESCRIPTION 097159 04 097159 04 097159 04 097159 04 Piezo Ignitor 107676 01 107676 01 107676 01 107676 01 Front Panel 103476 02 103476 02 103476 02 103476 02 Grill Guard 110038 05 110038 06 110038 05 110038 06 Control Valve 098508 01 098508 01 098508 01 098508 01 Valve Retainer Nut 104658 01 104658 01 104658 01 104658 01 Heat Shield xx we x Cabinet 107894 11 107894 11 107894 11 107894 11 Deflector Assembly 098271 09 098271 09 098271 09 098271 09 Ignitor Cable 098249 01 098249 01 098249 01 098249 01 Nut 110803 01 110803 02 110803 01 110803 02 ODS Pilot Assembly 110186 01 110186 01 110186 01 110186 01 Thermocouple Kit 103447 01 103447 01 103447 01 103447 01 Burner 099387 05 099387 05 099387 05 099387 05 Pilot Tubing 103845 08 103845 07 103845 08 103845 07
21. 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 114683 01B 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 con fined or unconfined space Space Includes the room 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 length x 16 ft width x 8 ft ceiling height 2560 cu ft volume of space Cus dt I
22. ION Do not try to ad just heating levels by using the equipment shutoff valve www desatech com Ignitor Button Control Knob IGNITOR Figure 19 Control Knob In The OFF Position Thermocouple Ignitor Electrode Pilot Burner Figure 20 Pilot actual pilot may vary 15 OPERATING HEATER WHAT TO DO IF YOU SMELL GAS Continued Do not try to light any appliance Do not touch any electric switch do not TO TURN OFF GAS use any phone in your building TO APPLIANCE Shutting Off Heater Inmediately call your gas supplier from a neighbor s phone Follow the gas 1 Press in and turn control knob clockwise supplier s instructions N to the PILOT position If you cannot reach your gas supplier call 2 Turn control knob clockwise to the the fire department OFF position Use only your hand to push in or turn the 3 Turn off all electric power to the appliance gas control knob Never use tools If the if service is to be performed Shutting Off Burner Only pilot stays lit Turn control knob clockwise to the PILOT position MANUAL LIGHTING PROCEDURE Remove front panel see Figure 7 page 9 knob will not push in or turn by hand don t try to repair it call a qualified service tech nician or gas supplier 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 techni
23. STEM This heater has a piezo ignitor This system re quires no matches batteries or other sources to light heater THERMOSTATIC HEAT CONTROL 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 114683 01B 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 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
24. URNER FLAME PATTERN A WARNING If yellow tipping occurs your heater could pro duce increased levels of carbon monoxide NOTICE Do not mistake orange flames with yellow tipping Dirt or other fine particles enter the heater and burn causing brief patches of orange flame Figure 25 shows a correct burner flame pattern Figure 26 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 heat shield height If burner flame pattern is incorrect as shown in Figure 26 turn heater off see To Turn Off Gas To Appli ance page 16 or 17 see Troubleshooting page 20 Blue Flame MIMAMAMMAMA uncus Heat i 1 2 Shield L Height Figure 25 Correct Burner Flame Pattern Yellow gt Tipping A Heat Shield Height Figure 26 Incorrect Burner Flame Pattern 18 www desatech com 114683 01B CLEANING AND MAINTENANCE AX WARNING Turn off heater and let cool before cleaning A 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
25. alve and burner 2 Gas leak See Warning statement above Take apart gas tubing and remove foreign matter Locate and correct all leaks see Checking Gas Connec tions page 13 Moisture condensation noticed 1 Not enough combustion ven on windows tilation air Refer to Air for Combustion and Ventilation requirements page 5 114683 01B www desatech com 23 SPECIFICATIONS BG30N FG30N GG30N RG30N GMG30N BG30NT FG30NT GG30NT RG30NT GMG30NT Btu Variable 15 000 30 000 Type Gas Natural Only Ignition Piezo Pressure Regulator Setting 3 W C Inlet Gas Pressure in of water Maximum 10 5 Minimum 4 Dimensions Inches H x W x D Heater 24 x 253 x 7 Carton 263 s x 28 s x 10 Weight pounds Heater 28 Shipping 33 BG30P FG30P GG30P RG30P GMG30P BG30PT FG30PT GG30PT RG30PT GMG30PT Btu Variable 15 000 30 000 Type Gas Propane LP Only Ignition Piezo Pressure Regulator Setting 8 W C Inlet Gas Pressure in of water Maximum 14 Minimum 11 Dimensions Inches H x W x D Heater Includes knobs amp grill 24 x 25 h x 7 Carton 26 s x 28 s x 10 Weight pounds Heater 28 Shipping 33 24 www desatech com 114683 01B SERVICE HINTS When Gas Pressure Is Too Low pilot will not stay lit burner will have delayed ignition heater will not produce specified heat propane LP gas supply may be low You may feel your gas pressure is too low If so contact yo
26. cian to inspect the appliance and to replace any part of the control system and any gas control which s Follow steps 1 through 5 under Lighting has been under water Instructions page 15 3 With control knob pressed in strike match LIGHTING E Hold match to pilot until pilot lights INSTRUCTIONS 4 Keepcontrol knob pressed in for 30 seconds STOP Read the safety information col after lighting pilot After 30 seconds release umn 1 control knob Now follow step 8 under Make sure equipment shutoff valve is Lighting Instructions page 15 fully open 5 Replace front panel Turn control knob clockwise X to the OFF position THERMOSTAT CONTROLLED MODELS FOR YOUR SAFETY READ BEFORE LIGHTING Wait five 5 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 column 1 If you don t smell gas go to the next step Turn control knob counterclockwise to the PILOT position Press in control knob Ad 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 for five 5 seconds see Figure 21 Note You may be running this heater for the first time after hooking up to gas sup ply If so the control knob may need to be pressed in for 30 seconds or more This will allow air to bleed from the gas system A This appliance ha
27. ed between propane LP supply and heater See guidelines under Connect ing to Gas Supply page 12 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 Capoffopenend 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 Correct all leaks at once Reconnect heater and equipment shutoff valve to gas supply Check reconnected fit tings for leaks Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 Close equipment shutoff valve see Figure 16 nM Open Equipment Shutoff Valve A Closed Figure 16 Equipment Shutoff Valve 114683 01B www desatech com 13 4 INSTALLATION Continued 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 gas meter
28. es For assistance or addi tional information consult a qualified installer service 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 Airfor 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 e 3 Troubleshooting 20 Local COD SS mem 4 Specifications iisipin edie 24 Product Identification 4 Serice FINS ise metres 25 ME A itcm eEE 4 Technical Service sese 25 Product Features oerte 4 Service Publications
29. f additional ventilation to adjoining room is supplied with grills or openings add the volume of these rooms to the total volume of the space 2 Multiply the space volume by 20 to determine the maximum Btu Hr the space can support volume of space x 20 Maximum Btu Hr the space can support Example 2560 cu ft 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 40 000 Btu Hr Vent free heater 30 000 Btu Hr Total 70 000 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 maximum the space can support 70 000 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 adjoin ing room If the extra space provides an unconfined space remove door to
30. heating level The main burner should light Set control knob to any heat level between 1 and 5 Ay CAUTION Do not try to ad just heating levels by using the equipment shutoff valve Thermocouple Ignitor Electrode Pilot Burner Figure 22 Pilot actual pilot may vary NI TO TURN OFF GAS TO APPLIANCE 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 Turn control knob clockwise to the PILOT position E 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 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 1 and 5 Selecting the 5 setting will cause the burner to remain fully on without modulating down in most cases 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 installa
31. ing Mounting Bracket To Wall Only use last hole on each end of mounting bracket to attach bracket to wall These two holes are 14 inches apart from their centers Attach mounting bracket to wall in one of two ways 1 Attaching to wall stud 2 Attaching to wall anchor Attaching to Wall Stud This method provides the strongest hold Insert mounting screws through mounting bracket and into wall studs Attaching to Wall Anchor This method allows you to attach mounting bracket to hollow walls wall areas between studs or to solid walls concrete or masonry Decide which method better suits your needs Either method will provide a secure hold for the mounting bracket Marking Screw Locations 1 Tape mounting bracket to wall where heater will be located Make sure mounting bracket is level AX WARNING Maintain mini mum clearances showninFigure 8 page 10 If you can provide greater clearances from floor and joining wall 114683 01B www desatech com 9 INSTALLATION Continued 2 Mark screw locations on wall see Figure 8 Note Only mark last hole on each end of mounting bracket Insert mounting screws through these holes only 3 Remove tape and mounting bracket from 12 Min 14 9799999959999 OOO Hole On Each End g Only Insert Mounting 32 A Screws Through Last Min A Floor Figure 8 Mounting Bracket Clearances Attaching Mounting Bracket T
32. m your local dealer Ifthey can not supply these accessories either contact your nearest Parts Central see page 31 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 EQUIPMENT SHUTOFF VALVE GA5010 For all models Equipment shutoff valve with 1 8 NPT tap FAN KITS GA3250T For all models Provides better heat distribution Makes heater more efficient Complete installation and operating instructions included Thermostatically controlled blower turns itself on and off as required ELECTRONIC IGNITOR KIT GA435 Not Shown For all piezo ignitor models Provides easier lighting of the pilot 30 www desatech com 114683 01B PARTS CENTRALS 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 Parts Department Portable Heater Parts 342 N County Rd 400 East Valparaiso IN 46383 9704 All States 219 462 7441 1 888 619 7060 salesOportableheaterparts com techserviceOportableheaterparts 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 616 791 0505 1 800 446 1446
33. 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 Natural and Propane LP Gas Natural and propane LP gases are fuel gases Fuel gases are odorless An odor making agent are added to fuel gases The odor helps you detect a fuel gas leak However the odor added to fuel gas can fade Fuel 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 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 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
34. nting Bracket 1 Locate two horizontal slots on back panel of heater 2 Place heater onto mounting bracket Slide horizontal slots onto stand out tabs on mount ing bracket Horizontal Slots Stand Out Tab Mounting Bracket attached to wall Figure 11 Mounting Heater Onto Mounting Bracket 10 www desatech com 114683 01B INSTALLATION Continued Installing Bottom Mounting Screws D Bow 114683 01B Locate two bottom mounting holes These holes are near bottom on back panel of heater see Figure 12 Mark screw locations on wall Remove heater from mounting bracket If installing bottom mounting screws into hollow or solid wall install wall anchors Follow steps 1 through 4 under Attaching To Wall Anchor Method page 10 Tf installing bottom mounting screw into wall stud drill holes at marked locations using 9 64 drill bit Replace heater onto mounting bracket Place spacers between bottom mounting holes and wall anchor or drilled hole Hold spacer in place with one hand With other hand insert mounting screw through bottom mounting hole and spacer Place tip of screw in opening of wall anchor or drilled hole Tighten both screws 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 connec tions and checking for leaks see pages 12 through 14 www desatech com
35. o Wall Note Wall anchors mounting screws and spacers are in hardware package The hardware package is provided with heater Attaching To Wall Stud Method For attaching mounting bracket to wall studs 1 Drill holes at marked locations using 9 64 drill bit 2 Place mounting bracket onto wall Line up last hole on each end of bracket with holes drilled in wall 3 Insert mounting screws through bracket and into wall studs 4 Tighten screws until mounting bracket is firmly fastened to wall studs Attaching To Wall Anchor Method For attaching mounting bracket 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 deep Fold wall anchor as shown in Figure 9 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 IMPORTANT Do not hammer key For thick walls over 1 2 thick or solid walls do not pop open wings 5 Place mounting bracket onto wall Line up last hole on each end of bracket with wall anchors 6 Insert mounting screws through bracket and into wall anchors 7 Tighten screws until mounting bracket is firmly fastened to wall SS Figure 9 Folding Figure 10 Popping Anchor Open Anchor Wings For Thin Walls Placing Heater On Mou
36. 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 hole allows the proper amount of air to mix with the gas This provides a clean burning flame Keep this hole clear of dust dirt and lint Clean this air inlet hole prior to each heating season A blocked air hole 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 pressed 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 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 ab
37. out two inches from where the pilot flame comes out of the pilot assembly see Figure 27 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 27 Pilot Inlet Air Propane LP Pilot Shown 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 114683 01B www desatech com 19 TROUBLESHOOTING WARNING Turn off and unplug heater and let cool before servicing Only a qualified service person should service and repair heater Note All troubleshooting items are listed in order of operation OBSERVED PROBLEM POSSIBLE CAUSE A CAUTION Never use a wire needle or similar object to clean ODS pilot This can damage ODS pilot unit REMEDY When ignitor button is pressed there is no spark at ODS pilot T Ignitor electrode positioned wrong l Replace pilot assembly 2 Ignitor electrode broken 2 Replace pilot assembly 3 Ignitor electrode not con 3 Reconnect ignitor cable nected to ignitor cable 4 Ignitor cable pinched or wet 4 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 5 Broken ignitor cable 5 Replace ignitor cable 6 Bad piezo ignitor 6 Replace piezo ignitor When ignitor button is pressed 1 Gas supply turned off orequip
38. outdoors This heater shall not be installed in a bedroom or bathroom If you smell gas shut off gas supply do not try to light any appliance do not touch any electrical switch do not use any phone in your building immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions if you cannot reach your gas supplier call the fire department 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 114683 01B www desatech com 3 SAFETY INFORMATION Continued 6 Keep all air openings in front and bottom of heater clear and free of debris This will insure enough air for proper combustion 7 Tf 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 where flammable liquids or vapors are used or stored under dusty conditions 9 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 10 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
39. s a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly If control knob does not pop up when released contact a qualified service person or gas supplier for repairs Control Knob B BEFORELIGHTING smell all around the Ignitor Button appliance area for gas Be sure to smell next to the floor because some gas is heavier than E air and will settle on the floor Figure 21 Control Knob In The OFF Position 16 www desatech com 114683 01B OPERATING HEATER Continued 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 is attached to the front of the burner Ifneeded keep pressing ignitor button until pilot lights Note If pilot does not stay lit refer to Troubleshooting page 20 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 7 Keepcontrol 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 inter lock system Wait one 1 minute before lighting pilot again 8 Turn control knob counterclockwise gt to desired
40. s instructions Do not touch any electrical switch do not use any phone in your Immediately call your gas supplier from a neighbor s phone Fol 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 OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Heater produces unwanted 1 Heater burning vapors from odors paint hair spray glues etc see IMPORTANT statement above 2 Low fuel supply propane LP gas only 3 Gas leak See Warning statement above LS 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 13 Heater shuts off in use ODS 1 Not enough fresh air is operates available 2 Low line pressure 3 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 19 Gasodoreven whencontrolknob 1 Gas leak See Warning is in OFF position statement above 2 Control valve defective Locate and correct all leaks see Checking Gas Connec tions page 13 Replace control valve Gas odor during combustion 1 Foreign matter between con trol v
41. stall heater where there is easy access for operation inspec tion and service incoldest part of room An optional fan kit is available from your dealer See Accessories page 30 If planning to use fan locate heater near an electrical outlet G6 36 Minimum Minimum Minimum To Top Surface Of Carpeting Tile Or Other Combustible Material FLOOR Figure 4 Mounting Clearances As Viewed From Front of Heater 8 www desatech com 114683 01B INSTALLATION Continued THERMOSTAT SENSING BULB Thermostat Models Only The thermostat sensing bulb has been placed below the heater 1 Place clamp on thermostat sensing bulb as shown in Figure 5 Clamp is provided in hardware package 2 Snapclampinto upper mounting hole as shown in Figure 5 Mounting hole is located on lower left edge on back of heater Make sure the thermostat sensing bulb is pointing up Thermostat Sensing Bulb Figure 5 Attaching Thermostat Sensing Bulb INSTALLING HEATER TO WALL Mounting Bracket Locate mounting bracket in heater carton Remove mounting bracket from heater carton Figure 6 Mounting Bracket Removing Front Panel Of Heater Remove the four painted screws two on each side of front panel Pull bottom of front panel forward then out 3 Remove any remaining packaging materials Figure 7 Removing Front Panel Of Heater Methods For Attach
42. t five 5 minutes to clear out any gas Then smell for gas around heater and near the floor If you smell gas STOP Follow B in the safety information above If you don t smell gas go to the next step 5 7 8 Press in control knob and turn counter clockwise to the PILOT position Keep control knob pressed in for five 5 seconds see Figure 19 Note You may be running this heater for the first time after hooking up to gas sup ply If so the control knob may need to be pressed in for 30 seconds or more This will allow air to bleed from the gas system If control knob does not pop up when released contact a qualified service person or gas supplier for repairs With control knob pressed in push down and release ignitor button This will light pilot The pilot is attached to the front of burner If needed keep pressing ignitor button until pilot lights Note If pilot does not stay lit refer to Troubleshooting page 20 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 16 Keep control knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Note If pilot goes out repeat steps 3 through 7 Press in and turn control knob counter clockwise to the HI position Set control knob to desired heat setting A CAUT
43. t fol low these instructions exactly a fire or explosion may result causing property damage per sonal injury or loss of life A follow these instructions exactly Ed 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 This appliance has a pilot which must be lighted by hand When lighting the pilot BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than a 114683 01B 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 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 tech nician or gas supplier 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 LIGHTING INSTRUCTIONS STOP Read the safety information above Make sure equipment shutoff valve is fully open Press in and turn control knob clockwise N to the OFF position Wai
44. tilation Air From Outdoors 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 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 NA Ventilation Grills KAN Into Adjoining Room Ventilation Option 2 Grills Or into Adjoining Remove oom Door into Option 1 Adjoining N Room N Option 3 Figure 2 Ventilation Air from Inside Building lt gt Ventilated Attic Outlet Ar To Attic 000008090 To Crawl Space Inlet am am dio Air i Ventilated Inlet Ain 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
45. tion location room size open air tem peratures etc Frequent use of your heater will let you determine your own comfort levels mH MANUAL LIGHTING PROCEDURE 1 Remove front panel see Figure 7 page 9 Follow steps 1 through 5 under Lighting Instructions page 16 3 With control knob pressed in strike match Hold match to pilot until pilot lights 4 Keepcontrol knob pressed in for 30 seconds after lighting pilot After 30 seconds release control knob Now follow step 8 under Lighting Instructions column 1 5 Replace front panel 114683 01B www desatech com 17 INSPECTING HEATER Check pilot flame pattern and burner flame pat tern often PILOT FLAME PATTERN Figure 23 shows a correct pilot flame pattern Figure 24 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 24 turn heater off see To Turn Off Gas to Appli ance page 16 or 17 see Troubleshooting page 20 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 Thermocouple Blue Flame Q Pilot Burner Figure 23 Correct Pilot Flame Pattern Thermocouple Yellow Flame Pilot lt Burner Figure 24 Incorrect Pilot Flame Pattern B
46. ur 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 replacement part s call DESA Heating Products Technical Service Department at 1 866 672 6040 When calling DESA Heating Products have ready your name your address model and serial numbers of your heater how heater was malfunctioning type of gas used propane LP or natural gas 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 31 orcall DESA Heating Products at 1 866 672 6040 for referral information When calling D
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