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Owners Manual - Allparts Equipment & Accessories

1. Rear Plate Thermocouple Burner Assembly Burner Assembly Steel Tube Combustion Chamber Shell Black End Cap Hold Down Bracket Support Bracket i KO OE PARTS AVAILABLE NOT SHOWN M9900 199 Wire Assembly Black Heed Vee Ven DOE M9900 200 Wire Assembly White Wire Assembly Blue Hose and Regulator Assembly Hose and Regulator Assembly Operation Decal Operation Decal Model Data Decal Model Data Decal Wiring Decal Warning Hang Tag Not a field replaceable part 119143 01H www desatech com i 2 2 Ai ie Ri R 3 Fa Ri N o S R OR RR RR SeS NS EN MR CR m FE AS Bee PARTS 170 000 BTU HR MODELS TB 103 TB108 AND TB113 119143 01H www desatech com 16 170 000 BTU HR MODELS PARTS 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 119143 01H KEY NO PARTNO 1 118476 01 2 118770 01 3 M11143 2 4 098219 42 5 121847 04 6 119631 01 7 118474 01 8 118478 02 9 114159 04 10 113810 01 11 118773 02 12 098276 01 13 118768 01 14 098201 01 15 097809 04 16 078978 03 17 118766 01 18 113944 01 19 119401 01 20 099123 01 21 M50104 02 22 118473 01 23 118482 01 24 113941 02 25 113950 01 26 097805 03 27 097806 03 28 101481 05 29 098249 01 30 118497 01 31 118765
2. Model located on product or identification tag Serial No located on product or identification tag Date Purchased Keep receipt for warranty verification DESA HEATING LLC LIMITED WARRANTIES New Products Standard Warranty DESA Heating LLC warrants this new product and any parts thereof to be free from defects in material and workmanship for a period of one 1 year from the date of first purchase from an authorized dealer provided the product has been installed maintained and operated in accordance with DESA Heating LLC s warnings and instruc ions For products purchased for commercial industrial or rental usage his warranty is limited to 90 days from the date of first purchase Factory Reconditioned Products Limited Warranty DESA Heating LLC warrants factory reconditioned products and any parts thereof to be free from defects in material and workmanship for 30 days from the date of first purchase from an authorized dealer provided the product has been installed maintained and operated in accordance with DESA Heating LLC s warnings and instruc ions Terms Common to All Warranties The following terms apply to all of the above warranties Always specify model number and serial number when contac ing the manufacturer To make a claim under this warranty the bill of sale or other proof of purchase must be presented This warranty is extended only to the original retail purchaser when purchased from an authorized dealer and
3. 6 feet 1 8 m from propane LP tank s Do not point heater at propane LP tank s within 20 feet 6 1 m 21 Minimum heater clearances from com bustibles Outlet 8 Ft 2 4 m Sides 2 Ft 0 6 m Top 6 Ft 1 8 m Rear 2 Ft 0 6 m 22 Locate heater on stable and level surface if heater is hot or running 23 Keep children and animals away from heater 24 Turn off propane LP supply and unplug heater when not in use 25 Never block air inlet rear or hot air outlet front of heater 26 Never move handle or service a hot operating or plugged in heater 27 Never attach duct work to front or rear of heater 28 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 29 Do not use this product without leg and foot assembly heater PRODUCT IDENTIFICATION Burn Rate i Hot Air Outlet Adjustment Handle Ean Outlet Thermostat Front Automatic Knob Knob Gas Control Burn Rate Valve Button Adjustment Air Inlet Rear Cord Cleat Adjustable Foot Figure 1 55 85 125 000 Btu Hr Models 119143 01H Adjustable Air Inlet Foot Rear Cord Cleat Figure 2 170 000 Btu Hr Models www desatech com 3 UNPACKING Small post screws on plastic foot will snap 1 Remove all packing items applied to into holes in leg extensions heater for shipment Keep plastic cover C
4. MODELS TS 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 RI E Yi o KEY NO URKON PART NO 118476 01 118472 01 M11143 2 098219 42 121847 02 121847 03 121846 01 119631 01 113810 01 118773 01 118474 01 116981 01 113871 01 118478 01 118475 01 113794 01 078978 03 119401 01 119933 01 113867 01 114150 01 118802 01 113875 02 118473 01 118482 01 113860 02 113881 01 114160 01 097805 03 097805 04 097806 03 101481 04 101481 13 098249 01 118497 01 118497 03 104146 05 118514 01 118765 02 118477 01 119497 02 118471 01 119459 01 119888 03 101480 14 118774 01 118774 02 118687 01 118687 03 119144 02 119144 03 119146 01 119148 01 DESCRIPTION Handle Control Box Strain Relief Bushing Power Supply Cord Assembly Fuel Tube Kit Fuel Tube Kit Elbow Fitting Nut Ball Valve Knob Insert Ball Valve Knob Foot Female Cap Fitting Control Valve Foot Leg Cord Cleat Valve Nut Sleeve Cap Terminal Block Heat Shield Hi Lo Mini Ignitor i Steel Spacer Printed Circuit Board Support Relay Assembly Fan Guard Motor Mount Motor Assembly Fan Fan 8 Ignitor Ignitor Ignitor Cable Thermal Limit Switch Thermal Limit Switch Nut Rear Plate
5. for use in the Commonwealth of Massachusetts 5 For indoor use only Provide adequate ventilation 119143 01H SAFETY Continued 6 Keep heater away from strong drafts wind water spray rain or dripping water 7 Use only in well vented areas 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 8 Donotuse heater outdoors or in occupied dwellings 9 Do not use heater in living or sleeping quarters 10 Keep appliance area clear and free from combustible materials gasoline paint thinner and other flammable vapors and liquids Dust is combustible Do not use heater in areas with high dust content 11 If this heater is equipped with a thermo stat Heater may start at anytime 12 Check heater for damage before each use Do not use a damaged heater 13 Use only propane LP gas set up for vapor withdrawal 14 Keep propane tank s below 100 F 38 C 15 Do not use heater in a basement or below ground level Propane LP gas is heavier than air If a leak occurs propane LP gas will sink to the lowest possible level 16 Use only the hose and factory regulator provided with the heater 17 Check hose before each use of heater If highly worn or cut replace with hose specified by manufacturer before using 18 Do not alter heater Keep heater in its original state 19 Do not use heater if altered 20 Keep heater at least
6. is heated and provides a stream of clean hot air The Ignition System For 55 85 125 models the high voltage ignitor sends voltage to the spark ignitor For 170 models direct spark ignitor sends voltage to the spark ignitor The spark ignitor ignites the fuel and air mixture The Safety Control System This system causes the heater to shut down if the flame goes out The motor will continue to run but no heat is produced High Voltage Ignitor 55 85 125 Automatic Control Valve Models or DSI 170 Models 55 85 125 models only Solenoid Valve Thermal Injector oo Limit Switch q UP 170 models only Hose Regulator Assembly C Spark Ignitor Fan Chamber Air For Air For Combustion Heating Figure 4 Cross Section Operational View Combustion 4 www desatech com 119143 01H PROPANE SUPPLY Propane LP gas and propane LP tank s are to be furnished by the user Use this heater only with a propane LP vapor withdrawal supply system See Chapter 5 of the Standard for Storage and Handling of Liquefied Petroleum Gas ANSI NFPA 58 and the Natural Gas and Propane Installation Code CSA B149 1 Your local library or fire department will have these booklets The amount of propane LP gas ready for use from propane LP 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
7. number of 100 Ib 45 kg tanks needed to run this heater Number of tanks Temperature Models at tank location 55 85 125 170 above 20 F 7 C 1 1 2 20 F 7 C to 0 18 C 1 2 3 Less gas is vaporized at lower temperatures You may need a larger tank in colder weather Your local propane LP gas dealer will help you select the proper supply system 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 AX WARNING Review and un derstand the warnings in the Safety section page 2 They are needed to safely operate this heater Follow all local codes when using this heater WARNING Test all gas piping and connections for leaks after installing or servicing Never use an open flame to check for a leak Apply a mixture of liquid soap and water to all joints Bubbles forming show a leak Correct all leaks at once 1 Provide propane LP supply system see Propane LP Supply 2 Connect POL fitting on hose regulator assembly to propane LP tank s Turn POL fitting counterclockwise into threads on tank Tighten firmly using a wrench 119143 01H Provide a fresh air opening of at least three square feet for each 100 000 Btu Hr 105 500 k j rating Provide extra fresh air if more heaters are bei
8. they are open B Check fuel level in propane LP tank s If fuel level is too low contact local propane LP gas company If heater still does not restart contact your local service center 2 Wait ten seconds Plug heater in STORAGE 2 Place plastic cover caps over brass fit CAUTION Disconnect heater tings on inlet connector of heater and from propane supply tank s hose regulator assembly i 3 Store in dry clean and safe place Do 1 Store propane LP tank s in safe manner not store hose regulator assembly inside See chapter 5 of Standard for Storage and heater combustion chamber Handling of Liquefied Petroleum Gases 4 when taking heater out of storage always ANSI NFPA 58 and the Natural Gas and check inside of heater Insects and small Propane Installation Code CSA B149 1 animals may place foreign objects in Follow all local codes heater Keep inside of heater free from combustible and foreign objects MAINTENANCE 2 Inspect heater before each use Check A WARNING Never service connections for leaks Apply mixture of heater while it is plugged in liquid soap and water to connections connected to propane supply er show a leak Correct all operating or hot Severe burns and electrical shock can occur Inspect hose regulator assembly before each use If hose is highly worn or cut 1 Keep heater clean Clean heater annually replace or as needed to remove dust and debris If 4 Have heater inspected yearly by a qua
9. 02 vm 33 118471 01 34 119459 01 35 119497 03 36 118477 02 37 110287 02 38 097776 01 39 113961 01 40 118919 01 41 118475 01 DESCRIPTION Ba Ba Ba Plug Street Tee enoid Valve Kit Male Fitting Sleeve Cap Solenoid Valve Bracket i Thermostat Assembly Terminal Block i Thermobulb Clip Shorty Bushing Fan Guard Motor Mount Motor Assembly Fan Ignitor Ignitor Cable Thermal Limit Switch Nut i Rear Plate Burner Assembly Shell Black End Cap Hold Down Bracket Combustion Chamber i Steel Tube DSI Control Kit i Universal Bushing Thermostat Knob Heat Shield Cord Cleat PARTS AVAILABLE NOT SHOWN So i Handle Control Box Strain Relief Bushing Power Supply Cord Assembly Fuel Tube Kit Nu Foot Foot Leg Valve Assembly Valve Knob Insert Valve Knob M16841 80 Wire Assembly White M9900 170 Wire Assembly Black 101480 15 118774 03 118687 04 119144 04 119146 02 099504 08 110267 02 119148 02 Wire Assembly Blue Hose and Regulator Assembly Operation Decal Model Data Decal Wiring Decal Warning Decal DSI Control Harness Warning Hang Tag Not a field replaceable part www desatech com Si e J y Ya El m w Ri QTY NN ES fee gt ES a 85 5 gt S S 2 2 2 Bs H 2 S E Bn eS H 6 S Ss AN eS ES WARRANTY KEEP THIS WARRANTY
10. 3257 250 C 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 locontrario Tipo SF2 200 UL Style 3257 250 C Si le c blage original 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 UL Style 3257 250 C 170 000 Btu Hr Models www desatech com 119143 01H 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 LLC at 1 866 672 6040 When calling DESA Heating LLC have ready your name your address model and serial numbers of your heater how heater was malfunctioning 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 call DESA Heating LLC at 1 866 672 6040 for referral information A list of authorized dealers can be found by visiting www desatech com When calling DESA Heating LLC have ready model and serial numbers of your heater e the replacement part number 119143 01H TECHNICAL
11. 514 01 118477 03 119497 01 kk 118471 01 119459 01 119888 03 M9900 199 M9900 200 101480 14 118774 04 118687 01 118687 03 119144 01 119146 01 119148 01 DESCRIPTION Handle Control Box Strain Relief Bushing Power Supply Cord Assembly Fuel Tube Kit _E bow Fitting Nut Ball Valve Knob Insert Ball Valve Knob Foot Female Cap Fitting i Control Valve Foot Leg Cord Cleat Valve Nut Cap Sleeve Terminal Block Heat Shield Hi Lo Mini Ignitor Steel Spacer Printed Circuit Board Support Relay Assembly Motor Grill Assembly Motor Assembly Fan Ignitor i Ignitor Cable i Thermal Limit Switch Nut Rear Plate Thermocouple Burner Assembly Steel Tube Combustion Chamber Shell Black End Cap Hold Down Bracket Support Bracket Operation Decal Model Data Decal Wiring Decal Warning Hang Tag Not a field replaceable part 119143 01H www desatech com PARTS AVAILABLE NOT SHOWN Wire Assembly Black Wire Assembly White Wire Assembly Blue Hose and Regulator Assembly Operation Decal ix Sis Q i Si 2 o 9 EN SS PARTS 85 000 BTU HR MODELS TB 102 TB111 AND TB114 125 000 BTU HR MODELS TB 101 TB105 TB107 AND TB 112 Detail A 125 Model gt lt Y 357 Detail B o 85 Models 14 www desatech com 119143 01H PAR 85 000 AND 125 000 BTU HR
12. DESA HEATING PRODUCTS PROPANE LP CONSTRUCTION FORCED AIR HEATER OWNER S MANUAL 55 000 BTU MODELS TB100 TB104 TB106 TB110 TB122 85 000 BTU MODELS TB102 TB111 TB114 125 000 BTU TB101 TB105 TB107 TB112 170 000 BTU TB103 TB108 TB113 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 A 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 Save this manual for future reference For more information visit www desatech com TABLE OF CONTENTS Safety id Product Identification Unpacking Assembly coco Theory of Operation Propane Supply NON0NaaA A _aAOo0N MESINSN DANCE ioniese enia 7 Service Procedures Specifications Wiring Diagrams Replacement Parts Technical Service Ventilation Service Publications cea M Installation Accessories ai Operation P
13. SERVICE You may have further questions about installa tion operation or troubleshooting If so con tact DESA Heating LLC at 1 866 672 6040 When calling please have your model and serial numbers of your heater ready You can also visit DESA Heating LLC s web site at www desatech com SERVICE PUBLICATIONS Aservice manual is available at www desatech com At any time while viewing construction heaters click on tech tips ACCESSORY Purchase these accessories from your local dealer If they can not supply these accessories call DESA Heating LLC at 1 866 672 6040 for information You can also write to the address listed on the back page of this manual Fuel Gas Connector LPA4020 A POL adapter with excess flow check valve www desatech com 11 PARTS 55 000 BTU HR MODELS TB100 TB104 TB106 TB110 AND TB122 119143 01H www desatech com 12 PARTS 55 000 BTU HR MODELS This list contains replaceable parts used in your heater When ordering parts follow the instructions listed under Replacement Parts on page 11 of this Aa PART NO 118476 01 118472 01 M11143 2 098219 42 121847 01 121846 01 119631 01 113810 01 118773 01 118474 01 116981 01 113871 01 118478 03 118475 01 113794 01 078978 03 119401 01 119933 01 113867 01 114150 01 118802 01 113875 02 118780 01 113880 02 113881 01 097805 04 097806 03 101481 12 098249 01 118497 02 104146 05 118
14. arts 12 A BA int WEAN 2s et he ae sus titi 18 SAFETY A WARNING This product contains and or generates chemicals known to the State of California to cause cancer or birth defects or other reproduc tive harm A WARNING Fire burn inhala tion and explosion hazard Keep solid combustibles suchas build ing materials paper or cardboard a safe distance away from the heater as recommended by the instructions Never use the heater inspaces whichdoormay contain volatile or airborne combustibles or products suchas gasoline sol vents paintthinner dust particles or unknown chemicals WARNING Not for home or recreational vehicle use The heater is designed and approved for use as a construction heater under ANSI Z83 7 CGA 2 14 2000 Construction Heater The purpose of construction heaters is to provide temporary heating of buildings under construction altera tion or repair Properly used the heater provides safe economical heating Products of combus tion 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 authority 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 2 www desatech com Carbon Monoxide Poisoning Some people are more affected by carbon monoxide than others Earl
15. button Heater should ignite within a few seconds Note If heater fails to ignite hose may have air in it If so keep gas valve button pressed and wait 20 seconds Release gas valve button and wait 20 seconds for unburned fuel to exit heater Repeat step 6 After heater ignites wait 30 seconds This activates the automatic control system Release the gas control valve button 170 Models Only 9 All 10 Adjust thermostat to desired setting If heater does not start thermostat setting may be too low Turn thermostat knob to higher position to start heater Note If heater does not start unplug heater Wait ten seconds for safety control to reset plug in heater then try again Models When burner remains lit set heater to the desired heat level by turning the variable Btu control knob counterclockwise If burner goes out turn off gas Turn vari able Btu control knob fully clockwise to the lowest position Check fuel supply If adequate fuel is available restart heater beginning at step 1 119143 01H OPERATION Continued TO STOP HEATER 1 2 3 Tightly close propane LP supply valve on propane tank s Wait a few seconds Heater will burn gas left in supply hoses Unplug heater TO RESTART HEATER If safety control stops gas flow to heater motor will continue to run di Unplug heater If heater does not restart A Check supply valves on propane LP tank Make sure
16. el Distance A 55 0 19 4 8 mm hel 85 10 5 12 7 mm or Fan 0 9 22 9 mm 125 10 5 12 7 mm or 0 9 22 9 mm 170 0 25 6 4 mm Motor Depending A on Motor Shaft Motor Shaft Hub Setscrew Sal Figure 10 Fan Cross Section SPECIFICATIONS Fan Motor Shaft Figure 9 Fan Motor Shaft and Setscrew Identification All Models Propane LP Gas e Gas Supply Pressure to Regulator Max Bottle Pressure Min 25 psig 172 4 kPa e Gas Supply Pressure Regulator Out 20 psig 137 9 kPa e Electrical Input 120V 60 Hz 19 3a Direct Spark Ignition e Minimum Ambient Temp Rating 0 F 17 8 C 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 Primary Flame Control Thermocouple operated gas valve e Heated Air Output 300 CFM 8 49 m min 119143 01H 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 Primary Flame Control Thermocouple operated gas valve Heated Air Output 350 CFM 9 91 m min 125 000 Btu Hr Models 75 125 000 Btu Hr 21 9 36 6 kW Fuel Consumption 3 5 5 8 pounds hr 1 59 2 63 kg hr Primary Flame Control Thermocouple operated gas valve Heated Air Output 350 CFM 9 91 m min 170 000 Btu Hr Models 125 170 000 Btu Hr 36 6 49 8 kW Fuel Consumption 5 8 7 9 pounds hr 2 63 3 6 kg hr Primary Flame Cont
17. li heater is dirty or dusty clean heater with fied service agency a damp cloth 5 Keep inside of heater free from combus 119143 01H tible and foreign objects www desatech com 7 SERVICE PROCEDURES AX WARNING Never service heater while it is plugged in connected to propane supply operating or hot Severe burns and electrical shock can occur CLEANING FAN Clean fan every 500 hours of operation or as needed 1 Remove screws on top cover using 5 16 nut driver or Phillips head screw driver 2 Remove top cover 3 Detach the 2 black motor wires from ter minal block under top cover Be sure to detach only wires coming from motor 4 Remove fan guard from rear of heater Fan guard will snap out of shell 5 Reach into rear of heater shell Carefully pull motor wires through hole in bracket Note Pull wires through hole one at a time 6 Remove screws holding motor mount to shell Use 5 16 nut driver or Phillips head screw driver 7 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 dam age fan pitch 8 Turn motor and fan around Place motor and fan into shell backwards Note Motor will go into shell first see Figure 8 9 Line up rear mounting holes in shell with first hole on each side of motor mount see Figure 8 Note When holes are lined up fan should be outside of shell 10 Holding m
18. ng used INSTALLATION IMPORTANT Tighten regulator with vent pointing down Pointing vent down pro tects regulator from weather damage 3 Connect hose to inlet connector of heater Tighten firmly using a wrench IMPORTANT Extra hose or piping may be used if needed Install extra hose or piping between propane LP tank and regulator You must ensure a minimum of 25 psig at the inlet of the regulator You must use the regulator supplied with the heater Hose Regulator Supply re To Valve POL Fitting Heater Inlet DN Connector Propane Vy Tank 7 Vent pointing Fuel Gas down Connector Figure 5 Regulator With Vent Pointing Down www desatech com 5 4 5 6 INSTALLATION Continued Open propane LP supply valve on propane LP tank s slowly Note If not opened slowly excess flow check valve on propane LP tank will activate and sig nificantly reduce gas flow Ifthis happens you may hear a click inside the regulator assembly and or notice the heater burning at a very low heat output You will not be able to increase heat output when you ad just heat setting knob Do not run heater in this condition To reset the excess flow check valve close propane LP supply valve and open again slowly Check all connections for leaks Close propane LP supply valve Bu tton Figure 6 Hose and Inlet Connector Heater may vary from illustration OPERATION WARNING Review and un der
19. only when installed by a qualified installer in accordance with all local codes and instructions furnished with this product This warranty covers the cost of part s required to restore this product to proper operating condition and an allowance for labor when provided by a DESA Heating LLC Authorized Service Center or a provider approved by DESA Heating LLC Warranty parts must be obtained through authorized dealers of this prod uct and or DESA Heating LLC who will provide original factory replacement parts Failure to use original factory replacement parts voids this warranty Travel handling transportation diagnostic material labor and incidental costs associated with warranty repairs unless expressly covered by this warranty are not reimbursable under this warranty and are the responsibility of the owner Excluded from this warranty are products or parts that fail or become damaged due to misuse accidents improper installation lack of proper maintenance tampering or altera ion s This is DESA Heating LLC s exclusive warranty and to the full extent allowed by law this express warranty excludes any and all other warranties express or implied written or verbal and limits he duration of any and all implied warranties including warranties of merchantability and fitness for a particular purpose to one 1 year on new products and 30 days on factory recondi ioned products from the date of first purchase DESA Heating LLC makes no o
20. ord Cleats cap attached to heater inlet connector and Install cord cleats on side of end caps as shown hose regulator assembly for storage in Figure 3 with screws provided short 2 Remove all items from carton Long screws 3 Check all items for shipping damage If Outlet if al gt 7 heater is damaged promptly inform dealer End Cap ia Cord where you bought heater Cleat ASSEMBLY IMPORTANT Do not use this product without leg and foot assembly Handle Attach handle to control box with 2 screws long as shown in Figure 3 gt Plastic Foot and Leg Extensions Small 1 Insert leg extensions into outlet end cap Leg Extensi n Screw until small hole lines up with larger hole Fastening Screw short visible from inside of outlet end cap see Post Figure 3 Fasten leg extensions with Leg Extension provided screws short Plastic Foot 2 Insert plastic foot ends into each leg ex tension and set heater to desired angle Figure 3 Handle and Foot Assembly THEORY OF OPERATION The Fuel System The hose regulator assembly attaches to the propane gas supply For 55 85 125 models the propane gas moves through the automatic control valve burn rate adjustment valve and out the injector For 170 models the propane gas moves through the solenoid valve burn rate adjustment valve and out the injector The Air System The motor turns the fan The fan pushes air into and around the combustion chamber This air
21. ounting screws carefully reach through fan blades into rear of heater Be careful not to damage fan pitch Insert screw through motor mount and shell With free hand attach screw finger tight Repeat process for other mounting hole Top Cover Terminal Motor Mounting Bracket Figure 7 Removing Fan and Motor 11 Use 1 8 hex wrench to loosen setscrew Fan Motor Mounting which holds fan to motor shaft see Fig Bracket ure 9 page 9 Figure 8 Fan and Motor Reversed for 12 Slip fan off motor shaft Cleaning 13 Clean fan using soft cloth moistened with a cleaning solvent 8 www desatech com 119143 01H SERVICE PROCEDURES Continued 14 Dry fan thoroughly 15 Replace fan on motor shaft Place set screw on flat of shaft See chart in Figure 10 for distance of fan hub from end of motor shaft Tighten setscrew firmly 40 50 inch pounds 16 Remove screws securing motor mount to shell 17 Pull motor and fan from shell Turn motor and fan around Carefully place back in shell Note Fan will go into shell first Setscrew 18 Line up mounting holes in shell with holes on motor mount Replace 4 screws through shell and motor mount 19 Route motor wires through hole in top of shell see Figure 7 page 8 20 Reconnect motor wires to the same posts on terminal block as removed in step 3 page 8 see Figure 7 page 8 21 Replace top cover 22 Replace fan guard Mod
22. remplac faites le avec du cable de type AWG 105 C ou son quivalent sauf indication contraire Type SF2 200 UL Style 3257 250 C 55 000 85 000 and 125 000 Btu Hr Models CONNECTION DIAGRAM DIAGRAMA DE CONEXIONES Blue Azul Bleu Blue Electrode Electrodo lectrode Orange Naranja Thermocouple Termopar Orange Naranja White Blanco Blanc Valvula de gas Robinet de gaz SCHEMA DE CONNEXION Azul High Limit Switch 2 Bleu Gas Valve 5 Interruptor de V lvula de gas Vanne de gaz a limite alto 3 Commutateur de Green Verde Vert limite sup rieure Electrode Electrodo oO Electrode 2 Orange Black Naranja Chassis Ground Orange Conexi n a tierra del chasis Masse Black Negro Noir Green O Verde Vert Line Cord Cable de alimentai n Cordon d alimentation Chassis Ground Conexi n a tierra del chasis Masse 10 Black Negro Noir Black Negro Noir Lal Blue Azul Bleu White Blanco Blanc Valve Valvula Vanne Flame Control Green Verde Vert round Tierra Masse Control de llama O Chassis Ground Conexi n a tierra del chasis Masse Contr le de la flamme If any original wiring as supplied with the heater must be replaced it must be replaced with type AWG 105 C wire or its equivalent except as indicated Type SF2 200 UL Style
23. rol DSI Flame Rectification Heated Air Output 450 CFM 12 74 m min www desatech com 9 WIRING DIAGRAMS SCHEMATIC DIAGRAM DIAGRAMA ESQUEM TICO DIAGRAMME DE CIRCUIT High Limit Switch Interruptor de l mite alto Interrupteur de limite sup rieure CONNECTION DIAGRAM DIAGRAMA DE CONEXIONES DIAGRAMME DE CONNEXION Thermocouple Termopar Electrode Electrodo Electrode Black Negro Noir Motor Moteur Relay Rel Relais Blue Azul Bleu Black Negro Noir Black Negro Noir Wh te Blanco Blanc green White Blanco Blanc T 60HZ White Blanco Interruptor de Blanc limite alto Commutateur de Black Negro Noir Line Cord Green Cable de linea Verde Cordon lectrique Vert Blue Azul Bleu If any original wiring as supplied with the heater must be replaced it must be replaced with type AWG 105 C Ign tor Encendedor Alumeur Black or Orange INegro o Naranja No r ou orange Motor Moteur High Limit Switch LY limite sup rieure wre or ts equivalent except as indicated Type SF2 200 UL Style 3257 250 C 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 UL Style 3257 250 C Si le c blage fourni avec l appareil de chauffage doit tre
24. stand the warnings in the Safety section page 2 They are needed to safely operate this heater Follow all local codes when using this heater TO START HEATER 1 2 Follow all installation ventilation and safety information Locate heater on stable and level surface Make sure strong drafts do not blow into front or rear of heater Plug power cord of heater into a three prong grounded extension cord Exten sion cord must be at least six feet long Extension cord must be UL listed Extension Cord Size Requirement Up to 50 feet 15 m long use 18 AWG rated cord 51 to 100 feet 15 5 to 30 5 m long use 16 AWG rated cord 101 to 200 feet 30 78 to 61 m long use 14 AWG rated cord Plug extension cord into a 120 volt 60 hertz three hole grounded outlet Open propane LP supply valve on propane LP tank s slowly Note If not opened slowly excess flow check valve on propane LP tank will activate and sig nificantly reduce gas flow Ifthis happens you may hear a click inside the regulator assembly and or notice the heater burning at a very low heat output You will not be www desatech com 6 55 r 8 able to increase heat output when you ad just heat setting knob Do not run heater in this condition To reset the excess flow check valve close propane LP supply valve and open again slowly Adjust variable Btu control knob fully clockwise to LO 85 125 Models Only Press and hold in gas valve
25. ther warranties regarding this product DESA Heating LLC s liability is limited to the purchase price of the product and DESA Heating LLC shall not be liable for any other damages whatsoever under any circumstances including indirect incidental or consequential damages Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have o her rights which vary from state to state For information about this warranty contact DESA DESA Heating LLC INDUSTRIES OF CANADA INC 2701 Industrial Drive 82 Akron Road Bowling Green KY 42101 Toronto Ontario M8W 1T2 119143 01 416 255 5333 Rev H www desatech com 1 866 672 6040 08 08
26. y signs of carbon monoxide poi soning resemble the flu with headaches diz ziness and or nausea If you have these signs the heater may not be working properly Get fresh air at once Have heater serviced Propane LP Gas Propane LP gas is odor less An odor making agent is added to propane LP gas The odor helps you detect a propane LP gas leak However the odor added to propane LP gas can fade Pro pane LP gas may be present even though no odor exists Make certain you read and understand all warnings Keep this manual for reference It is your guide to safe and proper operation of this heater 1 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 Liquefied Petroleum Gas ANSI NFPA 58 and the Natural Gas and Propane Installation Code CSA B149 1 This instructs on the safe storage and handling of propane gases 2 Use only the electrical voltage and fre quency specified on model plate The electrical connections and grounding of the heater shall follow the National Electric Code ANSI NFPA 70 or the Canadian Electric Code Part 1 3 Electrical grounding instructions This appliance is equipped with a three prong grounding plug for your protection against shock hazard and should be plugged di rectly into a properly grounded three prong receptacle or extension cord 4 This product has been approved

Owners Manual - Allparts Equipment & Accessories

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Owners Manual - Allparts Equipment &amp; Accessories

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Owners Manual - Allparts Equipment & Accessories