Desa Air Conditioner User's Manual
Contents
1. PARTS UNDER WARRANTY Contact authorized dealers of this product If they can t supply original replacement part s either contact your nearest Parts Central or 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 purchase date In most cases 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 or call DESA Heating Products for referral information at 1 866 672 6040 When calling DESA Heating Products have ready model number of your heater e the replacement part number TECHNICAL SERVICE You may have further questions about this heater 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 113893 01B www desatech com 11 ILLUSTRATED PARTS BREAKDOWN MODELS 55 F BLP55V REM55PV RLP55V AND SPC 55 18 20 12 www desatech com 113893 01B PARTS LIST This list contains replaceable parts used in your heater When ordering parts follow the instructions2. Termopar G 5 2 E S a a Green Verde Vert Ai fe E Relay al Red or Yellow SC SE 3 SI CH E elek High Limit Wad lEncendedor Relais Rouge ou jaune 4 Switch 60HZ Allumeur L 5 CH Interruptor de E l mite alto S gt Commutateur de E s limite sup rieure R White Blanco 3 SE Sien 1 i ee Se gas S ojo o Amarillo inet Blanc S Rouge ou jaune White Blanco Blanc SE _ Green Verde Vert Line Cord If any original wiring as supplied with the heater must be replaced it must be replaced with Cable de linea type AWG 105 C wire or its equivalent except as indicated Type SF2 200 SGI 250 C Cordon lectrique Si es necesario reemplazar alg n cable suministrado originalmente con el calentador ste se debe reemplazar con cable tipo AWG 105 C o su equivalente excepto cuando se indica lo contrario Tipo SF2 200 SGI 250 C Si le c blage fourni avec l appareil de chauffage doit tre remplac faites le avec du cable de type AWG 105 C ou son quivalent sauf indication contraire Type SF2 200 SGI 250 C 10 www desatech com 113893 01B REPLACEMENT PARTS AX WARNING Use only original replacement parts This heater must use design specific parts Do not substitute or use generic parts Improper replacement parts could cause serious or fa tal injuries This will also protect yourwarranty coverage for parts replaced under warranty
3. Decal English Spanish 113933 03 Operating Instructions Warning Decal French 113933 05 Operating Instructions Warning Decal French 113984 07 Warning Decal English 113984 02 Warning Decal Spanish 113984 05 Warning Decal Spanish 113858 01 Tradename Decal All Pro 113858 02 Tradename Decal Universal 097650 01 Tradename Decal Master 109111 02 Tradename Decal Reddy 110789 01 Tradename Decal Remington 113914 01 Hang Tag English 113914 02 Hang Tag Spanish 113914 03 Hang Tag French 113927 01 Fan Label Nota filed replaceable part AR A ES Be ES Be fr gt es ES ES gt es ES ES IEN SS E 8 4 Sas a A EE gt A OS 8 113893 01B www desatech com ILLUSTRATED PARTS BREAKDOWN MODELS 85 FAC BLP85V REM85PV RLP85V AND SPC 85 14 www desatech com 113893 01B PARTS LIST This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 11 of this manual MODELS 85 FAC BLP85V REM85PV RLP85V AND SPC 85 KEY NO PART NO 1 113918 01 2 113881 01 3 113860 01 4 113919 01 5 113922 01 6 ak 7 113888 01 8 113931 01 9 113884 01 12 113886 01 13 113920 01 14 113935 01 15 113924 01 16 113872 01 17 113867 01 18 113917 01 19 113869 01 20 113936 01 21 113868 01 22 113871 01 23 113928 01 24 113929 01 25 113925 01 26 113865 01 27 113864 01 28 113776 01 29 113862 01 30 113791 01 33
4. Primary Flame Control Thermocouple operated gas valve e Minimum Ambient Temp Rating 0 F 17 8 C e Heated Air Output 350 CFM 9 91 m min 55 000 Btu Hr Models 30 55 000 Btu Hr 8 8 16 1 kW Fuel Consumption 1 4 2 6 pounds hr 0 70 1 28 kg hr Fuel Orifice Port No 18 Fuel Orifice Port Size 0 0196 0 50 mm Average Air Temp Rise 200 F 111 C 85 000 Btu Hr Models 50 85 000 Btu Hr 14 6 25 0 kW Fuel Consumption 2 3 3 9 pounds hr 1 04 1 77 kg hr Fuel Orifice Port No 18 Fuel Orifice Port Size 0 024 0 60 mm Average Air Temp Rise 200 F 111 C 125 000 Btu Hr Models e 75 125 000 Btu Hr 21 9 36 6 kW Fuel Consumption 3 5 5 8 pounds hr 1 59 2 63 kg hr e Fuel Orifice Port No 18 Fuel Orifice Port Size 0 030 0 75 mm Average Air Temp Rise 400 F 232 C WIRING DIAGRAM CONNECTION DIAGRAM DIAGRAMA DE CONEXIONES DIAGRAMME DE CONNEXION Motor Moteur Thermocouple Termopar Orange Orange ji Naranja Ignitor Relay Rel Relais Encendedor p Allumeur Black Negro Noir SCHEMATIC DIAGRAM DIAGRAMA ESQUEM TICO DIAGRAMME DE CIRCUIT High Limit Switch Spark Plug Interruptor de Bujia Bougie Black Negro Noir T limite alto Interrupteur de limite sup rieure Black or Orange Negro o Spark Plug Bujia Bougie Thermocouple
5. damp cloth Use household cleaners on difficult spots Inspect heater before each use Check connec tions for leaks Apply mixture of liquid soap and water to connections Bubbles forming show a leak Correct all leaks at once Inspect hose regulator assembly before each use If hose is highly worn or cut replace with hose specified by manufacturer Have heater inspected yearly by a qualified service agency Keep inside of heater free from combustible and foreign objects Remove motor and other internal parts if needed to clean inside of heater see Service Procedures page 8 Clean fan blades each season or as needed see Fan page 8 6 www desatech com 113893 01B TROUBLESHOOTING shock can occur A WARNING Never service heater while it is plugged in connected to propane supply operating or hot Severe burns and electrical OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Fan does not turn when heater is plugged in Heater will not ignite Heater shuts down while run ning 1 LA un No electrical power to heater Fan hitting inside of heater shell Fan blades bent Defective motor User did not follow installa tion or operation instructions properly No spark at spark plug To test for spark follow step 8 under Spark Plug page 9 If you see spark at spark plug have heater serviced by qualified service person If no spark seen A Loose or disconnected spark plu
6. extension cord Use only the hose and factory preset regulator provided with the heater Use only propane gas set up for vapor with drawal Provide adequate ventilation Before using heater provide at least a three square foot opening of fresh outside air for each 100 000 Btu Hr 105 500 k j of rating For indoor use only Do not use heater out doors Do not use heater in occupied dwellings or in living or sleeping quarters Do not use heater in a basement or below ground level Propane gas is heavier than air If a leak occurs propane gas will sink to the lowest possible level Keep appliance area clear and free from com bustible materials gasoline paint thinner and other flammable vapors and liquids Dust is combustible Do not use heater in areas with high dust content Minimum heater clearances from combustible materials Outlet 8 Ft 2 4 m Sides 2 Ft 0 6 m Top 6 Ft 1 8 m Rear 2 Ft 0 6 m 2 www desatech com 113893 01B 12 13 14 15 16 17 18 19 20 21 22 23 24 29 26 27 SAFETY INFORMATION Continued Keep heater at least six feet from propane tank s Do not point heater at propane tank s within 20 feet 6 1 m Keep propane tank s below 100 F 37 8 C Check heater for damage before each use Do not use a damaged heater Check hose before each use of heater If highly worn or cut replace with hose specified by manuf
7. is plugged in connected to propane supply operating or hot Severe burns and electrical shock can occur MOTOR 1 With heater on its side remove access panel 2 Access ground screw through underside of heater base Remove ground screw Disconnect the green motor wire and the green power cord wire from underside of shell see Figure 5 Guard from Heater Heater may vary 3 Remove two black wires from motor to ter from illustration minal board FAN 4 Carefully push motor wires through hole in bottom of shell 5 Remove screws holding motor mount to shell Use nut driver see Figure 5 1 Remove motor motor mount and fan see Motor steps 1 through 8 2 Clean fan using soft cloth moistened with S kerosene or solvent 6 Carefully pull motor and fan out of shell IMPORTANT Be careful not to damage fan Do not set motor and fan down with the weight resting on fan This could damage fan pitch 3 Dry fan thoroughly Replace fan on motor shaft Make sure set screw is touching back of flat surface on motor shaft see Figure 6 5 Place setscrew on flat of shaft Tighten set screw firmly 40 50 inch pounds 46 08 57 60 kilogram centimeters 7 Use hex wrench to loosen setscrew which holds fan to motor shaft 8 Remove fan Be careful not to damage the fan blade pitch 9 Use nut driver to remove two nuts that attach motor to motor mount 6 Place motor motor mount and fan guard into rear of heater
8. listed under Replacement Parts on page 11 of this manual MODELS 55 F BLP55V REM55PV RLP55V AND SPC 55 KEY NO PART NO DESCRIPTION ARONS 113878 01 Grille Assembly 115772 01 Motor Mounting Bracket 113880 01 Motor Assembly 113881 01 Fan 113882 01 Outer Cylinder Red 113882 02 Outer Cylinder Orange 113882 03 Outer Cylinder Yellow 113882 04 Outer Cylinder Black 097917 01 Handle 097918 01 Clip Handle Mounting 113883 01 Snap Bushing 5 8 114238 01 Universal Bushing 114162 01 Snap Bushing 1 2 113887 01 Male Elbow Fitting 113885 01 Spark Plug 113889 01 High Limit Switch Control Assembly 113886 01 Nut Spark Plug 113892 01 Flame Holder Assembly 113888 01 Nut orifice Mounting 113890 01 Orifice LP Assembly Ke Middle Cylinder Assembly 113884 01 Thermocouple 113877 01 Fuel Tube Assembly 113875 01 Relay Assembly 113867 01 Ignitor 113872 01 Terminal Board 113870 01 Elbow Street Fitting 113869 01 Coupling Fitting 113868 01 Male Connector Fitting 113876 01 Female Connector Fitting 113873 01 Ball Valve 113871 01 Valve 113866 01 Control Box Assembly 113863 01 Bottom Panel 113865 01 Strain Relief Bushing 113864 01 Power Cord 113791 01 POL Excess Flow 1 4 MPT 113862 01 Regulator 28 W C 113776 01 Hose Assembly LP ees PARTS AVAILABLE NOT SHOWN me 113909 01 Wiring Decal 113802 18 Model Data Decal 113933 07 Operating Instructions
9. shell see Motor steps 14 through 18 10 Discard old motor 11 Attach motor to motor mount with two nuts Tighten nuts firmly Setscrew 12 Replace fan on motor shaft Make sure set screw contacts flat surface on motor shaft 13 Tighten set screw firmly 40 50 inch pounds 46 08 57 60 kilogram centimeters 14 Carefully route motor wires through hole in shell Place motor motor mount and fan guard into rear of heater shell as shown in Figure 5 15 Insert screws through heater shell and into Motor Shaft motor mount Tighten screws firmly Figure 6 Fan Motor Shaft and Setscrew 16 Turn heater on its side to access opening in Location bottom of base Connect green wires from motor transformer and power cord to heater Hub Fan shell using ground nut gt D P 17 Attach two black wires from motor to terminal S SA S board see Wiring Diagram page 10 for cor m rect locations A 18 Replace access panel Setscrew m eeN Figure 7 Fan Cross Section 8 www desatech com 113893 01B SERVICE PROCEDURES Continued SPARK TRANSFORMER 1 2 Remove access panel Locate and disconnect white black and orange wires from spark transformer Remove screw holding spark transformer to base Remove sheet metal nut on transformer and install on new transformer Discard spark transformer Install new spark transformer Position new spark transformer in same manner as old
10. supply If adequate fuel is avail able restart heater beginning at step 1 TO STOP HEATER 1 Tightly close propane supply valve on propane tank s 2 Wait a few seconds Heater will burn gas left in supply hoses uy Unplug heater STORAGE AX CAUTION Disconnectheater from propane supply tank s 1 Store propane tank s in safe manner See Chapter 5 of Standard for Storage and Han dling of Liquefied Petroleum Gases ANSI NFPA 58 and the Propane Installation Code CAN CGA B149 2 Follow all local codes Always store propane tanks outdoors 2 Place plastic cover caps over brass fittings on inlet connector and hose regulator assembly uy Store in dry clean and safe place Do not store hose regulator assembly inside heater combustion chamber 4 When taking heater out of storage always check inside of heater Insects and small animals may place foreign objects in heater Keep inside of heater free from combustible and foreign objects MAINTENANCE A WARNINGS Never service heater while it is plugged in connected to propane supply operating or hot Severe burns and electri cal shock can occur Keep heater clear and free from combustible materials gasoline and other flammable vapors and liquids Do not block the flow of com bustion or ventilation air Keep heater clean Clean heater annually or as needed to remove dust and debris If heater is dirty or dusty clean heater with a
11. 113875 01 34 113870 01 35 113923 01 36 113926 01 113909 01 113984 01 113915 01 113908 01 109111 02 097650 01 110789 01 113914 03 113927 01 DESCRIPTION Outer Cylinder Assembly Orange 113918 02 113918 03 113918 04 Fan Motor Assembly Motor Grill Flame Holder Assembly Middle Cylinder Assembly Nut orifice Mounting 3 4 16 Male Elbow Fitting Thermocouple 10 113889 01 11 113885 02 Nut Spark Plug Orifice Assembly Control Box Assembly Ignition Relay Bracket Terminal Board Spark Ignition 115V Fuel Tube Assembly Fitting Coupling Spacer TC Bracket Fitting Male Connector Valve Ball Valve Variable Rate _Female Connector Fitting Control Panel Assembly Strain Relief Bushing Power Cord Hose Assembly Regulator 28 W C 6 97 kPa POL Excess Flow 31 097918 01 32 097917 01 Relay Fitting Elbow Bracket TC i Access Panel PARTS AVAILABLE NOT SHOWN me Wiring Decal 113802 05 113933 02 113933 03 Outer Cylinder Assembly Red Outer Cylinder Assembly Yellow Outer Cylinder Assembly Black High Limit Control Assembly Spark Plug 1 8 Gap Clip Handle Mounting Handle Model Data Decal Operating Instructions Decal English Spanish Operating Instructions Warning Decal French i Warning Decal English 113984 02 Warning Decal Spanish Tradename Decal All Pro Tradename Decal Universal Tra
12. 3 THEORY OF OPERATION The Fuel System The hose regulator assembly attaches to the propane gas supply The propane gas moves through the automatic control valve and out the nozzle The Air System The motor turns the fan The fan pushes air into and around the combustion chamber This air is heated and provides a stream of clean hot air Combustion Chamber Clean The Ignition System The spark transformer and spark plug lights the main burner The Safety Control System This system causes the heater to shut down if the flame goes out Note Some parts are located differently on some models Nozzle Heated Air Out Front Gama Air For Combustion Ga Fuel And Heating Hose Regulator Assembly Figure 2 Cross Section Operational View Heater may vary from illustration PROPANE SUPPLY Propane gas and propane tank s are to be fur nished by the user Use this heater only with a propane vapor withdrawal supply system See Chapter 5 of the Standard for Storage and Handling of Liquefied Petroleum Gas ANSI NFPA 58 Your local library or fire department will have this booklet The amount of propane gas ready for use from propane tanks varies Two factors decide this amount 1 The amount of propane gas in tank s 2 The temperature of tank s The chart below shows the number of 100 pound 45 kg tanks needed to run this heater Number of tanks Temperature Models at tank locatio
13. DESA INDOOR OUTDOOR PRODUCTS PROPANE CONSTRUCTION FORCED AIR HEATER OWNER S MANUAL CERTIFIED VARIABLE 30 55 000 50 85 000 AND 75 125 000 BTU HR IMPORTANT Read and understand this manual before assembling starting or servicing heater Improper use of heater can cause serious injury Keep this manual for future reference AA GENERAL HAZARD WARNING Failure to comply with the precautions and instructions provided with this heater can result in death serious bodily injury and property loss or damage from hazards of fire explosion burn asphyxiation carbon monoxide poisoning and or electrical shock Only persons who can understand and follow the in structions should use or service this heater If you need assistance or heater information such as an in structions manual labels etc Contact the manufacturer TABLE OF CONTENTS Safety Informationen cts TT Product Identification Troubleshooting Unpacking isisisi Service Procedures Theory of Operation Specifications Propane Supply Wiring Diagram Installation Replacement Parts Ventilation Technical Eeroiee eni nnos orar Operation Illustrated Parts Breakdown and Parts List 12 SONA G ire si event Eege DEE Warranty and Repair Service ceceeeeees 18 Save this manual for future reference For more information visit www desatech com SAFETY INFORMAT
14. ION AA 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 AX WARNING Fire burn in halation and explosion hazard Keep solid combustibles such as building materials paper or cardboard asafe distance away from the heater as recommended by the instructions Never use the heater in spaces which do or may contain volatile or airborne combustibles or products such as gasoline solvents paint thin ner dust particles or unknown chemicals AA WARNING Not for home or recreational vehicle use The heater is designed for use as a construction heater in accordance with ANSI Z83 7 CGA2 14 Other standards govern the use of fuel gases and heating products for specific uses Your lo cal authority can advise you about these The primary purpose of construction heaters is to provide temporary heating of buildings under construction alteration or repair Properly used the heater provides safe economical heating Products of combustion are vented into the area being heated We cannot foresee every use which may be made of our heaters Check with your local fire safety au thority if you have questions about heater use Other standards govern the use of fuel gases and heat producing products for specific uses Your local authorities can advise you about these Carbon Monoxide Poisoning Some people are more a
15. REPAIR SERVICE Return your heater to your nearest authorized service center Repairs not covered by the warranty will be billed at standard prices Each Service Center is independently owned and operated We reserve the right to amend these specifications at any time without notice When writing always include model number and serial number For information write INDOOR OUTDOOR PRODUCTS 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 ATTN Customer Service Department
16. acturer before using heater Locate heater on stable and level surface if heater is hot or operating Never block air inlet rear or air outlet front of heater Keep heater away from strong drafts wind water spray rain or dripping water Do not leave heater unattended Keep children and animals away from heater Never move handle or service a hot or operat ing heater Severe burns may result You must wait 15 minutes after turning heater off To prevent injury wear gloves when handling heater Never attach duct work to heater Do not alter heater Keep heater in its original state Do not use heater if altered Turn off propane supply to heater and unplug heater when not in use Use only original replacement parts This heater must use design specific parts Do not substitute or use generic parts Improper replacement parts could cause serious or fatal injuries PRODUCT IDENTIFICATION Hot Air Outlet Front Variable Heat Output Control Knob Fuel Valve Button Hose Regulator Assembly Figure 1 Variable 75 125 000 Btu Hr Heater may vary from illustration UNPACKING Remove all packing items applied to heater for shipment Keep plastic cover caps attached to inlet connector and hose regulator assembly for storage Remove all items from carton Check all items for shipping damage If heater is damaged promptly inform dealer where you bought heater 113893 01B www desatech com
17. dename Decal Reddy Tradename Decal Master i _Tradename Decal Remington 113914 01 113914 02 Hang Tag English Hang Tag Spanish Hang Tag French Fan Label Not a filed replaceable part Bin Il 2 2 2 ANS AS AS E AS Ei ES 3 AS A As ee Ss a a EENEG A EE E 113893 01B www desatech com ILLUSTRATED PARTS BREAKDOWN MODELS 125 F BLP125V REM125PV RLP125V AND SPC 125 16 www desatech com 113893 01B PARTS LIST This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 11 of this manual MODELS 125 F BLP125V REM125PV RLP125V AND SPC 125 KEY NO PART NO 113919 01 113860 01 114160 01 114146 01 114146 02 114146 03 114146 04 5 097917 01 6 097918 01 7 113931 01 8 9 RONS 113885 02 10 113923 01 11 113936 01 12 113890 02 14 113886 01 15 113937 02 16 113888 01 17 114156 01 18 113884 01 19 113924 01 20 113872 01 21 114150 01 22 113875 01 23 113867 01 24 114151 01 25 114153 01 26 114159 01 27 113929 01 28 114152 01 29 114155 01 30 113869 01 31 113868 01 32 113871 01 33 113865 01 34 113864 01 35 113791701 36 113862 01 37 113776 01 38 114179 01 39 114158 01 40 114149 01 ns PARTS AVAILABLE NOT SHOWN me Wiring Decal Model Data Decal Operating Instructions Decal English Spanish Operating Instructions Warning Decal French Ope
18. ervice is available only through authorized dealers and service centers This warranty does not cover defects resulting from misuse abuse negligence accidents lack of proper mainte nance normal wear alteration modification tampering contaminated fuels repair using improper parts or repair by anyone other than an authorized dealer or service center Routine maintenance is the responsibility of the owner THIS EXPRESS WARRANTY IS GIVEN IN LIEU OF ANY OTHER WARRANTY EITHER EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE DESA Heating Products assumes no responsibility for indirect incidental or consequential damages Some states do not allow the exclusion or limitation of incidental or consequential damages or limitations or exclusions may not apply to you This limited warranty gives you specific legal rights and you may also have other rights which vary from state to state 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 WARRANTY SERVICE Should your heater require service return it to your nearest authorized service center Proof of purchase must be presented with the heater The heater will be inspected A defect may be caused by faulty materials or workman ship If so DESA Heating Products will repair or replace the heater without charge
19. ffected by carbon monoxide than others Early signs of carbon monoxide poisoning re semble the flu with headaches dizziness and or nausea If you have these signs the heater may not be working properly Get fresh air at once Check for proper ventilation and have heater serviced Propane Gas Propane gas is odorless An odor making agent is added to propane gas The odor helps you detect a propane gas leak However the odor added to propane gas can fade Propane 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 18 uy Install and use heater with care Follow all local ordinances and codes In the absence of local ordinances and codes refer to the Standard for Storage and Handling of Lique fied Petroleum Gas ANSI NFPA 58 and the Propane Gas Installation Code CANICGA B149 2 This instructs on the safe storage and handling of propane gases Use only the electrical voltage and frequency specified on model plate The electrical con nections and grounding of the heater shall fol low the National Electric Code ANSI NF PA 70 or the Canadian Electrical Code Part 1 Electrical Grounding Instructions This appli ance is equipped with a three prong ground ing plug for your protection against shock hazard and should be plugged directly into a properly grounded three prong receptacle or
20. g grounded extension cord Extension cord must be at least six feet 1 83 m long UL CSA listed and of a proper size Extension Cord Size Requirement Up to 100 feet 30 5 m long use 16 AWG rated cord 101 to 200 feet 30 78 to 61 m long use 14 AWG rated cord 4 Plug extension cord into a 120 volt 60 hertz three hole grounded outlet Motor will start Fan will turn forcing air out front of heater 5 Open propane supply valve on propane tank s slowly Note If not opened slowly excess flow check valve on propane tank will stop gas flow You may hear a click from the excess flow check valve closing If this hap pens reset the excess flow check valve by closing propane supply valve and open again slowly 113893 01B www desatech com 5 OPERATION Continued 6 Press and hold in fuel valve button Heater should ignite within a few seconds Note If heater fails to ignite hose may have air in it If so keep fuel valve button pressed and wait 20 seconds Release automatic control valve button and wait 20 seconds for unburned fuel to exit heater Repeat step 7 7 After heater ignites wait 30 seconds This ac tivates the automatic control system Release the control knob 8 When burner remains lit set heater at the desired heat level by turning the variable Btu control knob counterclockwise If burner goes out turn off gas Turn variable Btu control knob fully clockwise to the lowest position Check fuel
21. g wire B Bad spark plug C Bad spark transformer Propane supply may be inad equate High surrounding air tem perature causing thermal limit device to shut down heater Restricted air flow Damaged fan Excessive dust or debris in surrounding area 1 a LA Check voltage to electrical outlet If voltage is good check heater power cord for breaks Adjust motor fan mount to keep fan from hitting inside of heater shell Bend fan mount if necessary Replace fan See Fan page 8 Replace motor See Motor page 8 Repeat installation and opera tion instructions See Instal lation page 4 and Operation page 5 A Check spark plug wire Tighten or reattach loose spark plug wire See Figure 8 page 9 for spark plug wire location B Replace spark plug See Spark Plug page 9 C Replace spark transformer See Spark Transformer page 9 A Refill tank B Provide additional and or larger tanks See Propane Supply page 4 This can happen when running heater in temperatures above 85 F 29 C Run heater in cooler temperatures Check heater inlet and outlet Remove any obstructions Replace fan See Fan page 8 Clean heater See Mainte nance page 6 Awarnine Use only in areas free of high dust content 113893 01B www desatech com SERVICE PROCEDURES Motor and Fan Guard AX WARNING Never service heater while it
22. hose or piping between hose regulator assembly and propane tank You must use the regulator supplied with heater Open propane supply valve on propane tank s slowly Note If not opened slowly excess flow check valve on propane tank may stop gas flow If this happens close propane supply valve and open again slowly Check all connections for leaks Close propane supply valve Regulator Fuel Gas Connector Vent pointing down Down Hose Inlet Connector Figure 4 Hose and Inlet Connector Heater may vary from illustration VENTILATION A WARNING Follow the mini mum fresh outside air ventila tion requirements If proper fresh outside air ventilation is not provided carbon monoxide poisoning can occur Provide proper fresh outside air ventila tion before running heater Provide a fresh air opening of at least three square feet for each 100 000 Btu Hr 105 500 k j rat ing Provide extra fresh air if more heaters are being used OPERATION AX WARNING Review and un derstand the warnings in the Safety Information section page 2 They are needed to safely op erate this heater Follow all local codes when using this heater TO START HEATER 1 Follow all installation ventilation and safety information 2 Locate heater on stable and level surface Make sure strong drafts do not blow into front or rear of heater 3 Plug power cord of heater into a three pron
23. me Decal Reddy Tradename Decal Remington Hang Tag English Hang Tag Spanish Hang Tag French Fan Label Not a filed replaceable part Mo 86 68 8 8 6 8 8 5 E B 5 B E B E B Es ES A A NN A A ES EN 113893 01B www desatech com WARRANTY AND REPAIR SERVICE KEEP THIS WARRANTY Model Serial No Date of Purchase 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 one 1 year 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 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 These warranties cover only the cost of parts and labor required to restore the product to proper operating condition Transportation and incidental costs associated with warranty repairs are not reimbursable under this warranty Warranty s
24. n 55 85 125 above 20 F 7 C 1 1 2 20 F 7 C to 0 18 C 1 2 3 below 0 F 18 C 2 2 Use larger Less gas is vaporized at lower temperatures You may need two or more 100 pound 45 kg tanks or one larger tank in colder weather Your local propane gas dealer will help you select the proper supply system The minimum surrounding air tem perature rating for each heater is 20 F 29 C INSTALLATION AX WARNING Review and un derstand the warnings in the Safety Information section page 2 They are needed to safely op erate this heater Follow all local codes when using this heater AR WARNING Testall gas piping and connections for leaks after installing orservicing Never use an open flame to check fora leak tank Apply a mixture of liquid soap and water to all joints Bubbles forming show a leak Correct all leaks at once 4 www desatech com 113893 01B Supply Valve Propane Tank INSTALLATION Continued Provide propane supply system see Propane Supply page 4 Connect fuel gas connector fitting on hose regulator assembly to propane tank s Turn counterclockwise into threads on tank valve Tighten firmly using wrench IMPORTANT Tighten regulator with vent pointing down Pointing vent down protects regulator from weather damage Connect hose to inlet connector Tighten firmly using a wrench IMPORTANT Extra hose or piping may be used if needed Install extra
25. rating Instructions Warning Decal French Warning Decal English 113909 01 113802 11 113933 02 113933 03 113933 05 113984 01 113984 02 113984 05 113858 04 113858 05 097650 01 109111 03 110789 01 113914 01 113914 02 113914 03 113927 01 DESCRIPTION Grille Assembly Motor Assembly Fan Outer Shell Cylinder Assembly Orange Outer Shell Cylinder Assembly Red Outer Shell Cylinder Assembly Yellow Outer Shell Cylinder Assembly Black Handle Clip Handle Mounting Male Elbow Fitting E Spark Plug 1 8 3 18 mm Gap 113889 02 Thermocouple Bracket Thermocouple Spacer Orifice LP Assembly Middle Cylinder Assembly Nut Spark Plug High Limit Switch Control Assembly Flame Holder Assembly Nut orifice Mounting Fuel Tube Assembly Thermocouple Bracket Ignition Relay Terminal Board Steel Spacer Relay Assembly Ignitor Spacer PC Standoff Nylon Elbow Street Fitting Ball Valve Variable Rate Female Connector Fitting Snap Bushing 1 1 4 Nylon Snap Bushing 3 4 Nylon Coupling Fitting Male Connector Fitting Valve Strain Relief Bushing Power Cord POL Excess Flow 6 97 kPa Regulator 28 W C Hose Assembly LP Access Panel Flat Washer Control Box Assembly Warning Decal Spanish Warning Decal Spanish Tradename Decal All Pro Tradename Decal Universal Tradename Decal Master Tradena
26. transformer Connect white black and orange wires to new spark transformer Connect wires to correct ter minals as noted in Wiring Diagram page 10 Replace access panel Spark Plug Wire Bushing Figure 8 Removing Spark Plug Wire from Spark Transformer Heater may vary from illustration SPARK PLUG A vi x Remove motor motor mount and fan guard see Motor page 8 steps 1 through 6 Remove orange spark plug wire from spark plug From front of heater loosen 3 4 hex nut hold ing spark plug in place see Figure 9 Remove spark plug from rear head Install new spark plug Attach spark plug to rear head with ignitor hex nut removed in step 3 Attach spark plug wire Test for spark AR WARNING Make sure heater is disconnected from propane supply Heater could ignite caus ing severe burns Plug into extension cord and watch for spark at spark plug Place motor motor mount and fan guard into rear of heater shell see Motor page 8 steps 14 through 18 3 4 Hex y Head Nut ys a Spark Plug Figure 9 Removing Spark Plug Nut and Spark Plug Heater may vary from illustration 113893 01B www desatech com 9 SPECIFICATIONS All Models Propane LP Gas e Gas Supply Pressure to Regulator Max Bottle Pressure Min 5 psig 34 5 kPa e Gas Supply Pressure Regulator Out 28 WC 6 97 kPa Electrical Input 115V 60 Hz 10 3a e Direct Spark Ignition e
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