Instruction/ maintenance manual of the product BTU/HR Desa
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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. Save this manual for future reference. For more information, visit www.
www.desatech.com 113282-01C 2 SAFETY INFORMATION WARNING: This product con- tains and/or generates chemicals known to the State of California to cause cancer or birth defects, or other reproductive harm. IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, oper- ate, or service this heater.
www.desatech.com 113282-01C 3 • Never move, handle, refuel, or service a hot, operating, or plugged-in heater . • Never attach duct work to front or rear of heater .
www.desatech.com 113282-01C 4 FUELS WARNING: Use only kero- sene, #1/#2 diesel/fuel oil, JET A or JP-8 fuels to avoid risk of fire or explosion. Never use gaso- line, oil drained from crankcases, naphtha, paint thinners, alcohol or other highly flammable fuels.
www.desatech.com 113282-01C 5 ASSEMBLY (FOR 110/115/155/165/200 MODELS ONLY) These models are furnished with wheels and a handle. Some models are furnished with a second handle also. Wheels, handle(s), and the mounting hardware are found in the shipping carton.
www.desatech.com 113282-01C 6 Figure 9 - Typical Generator Grounding Method (Generator construction may vary from that shown) Ground Lug Ground Wire (#10 AWG - Stranded- Copper) Alternator Copper or Brass Grounding Point TO RESTART HEATER Wthout ON/OFF Switch 1.
www.desatech.com 113282-01C 7 PREVENTATIVE MAINTENANCE SCHEDULE WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur.
www.desatech.com 113282-01C 8 POSSIBLE CAUSE 1. No fuel in tank 2. Pump pressure incorrect 3. Dirty fuel fi lter 4. Obstruction in nozzle 5. W ater in fuel tank 6. Bad electrical connection be- tween ignitor and ignition con- trol assembly 7. Defective ignitor 8.
www.desatech.com 113282-01C 9 SERVICE PROCEDURES WARNING: To avoid risk of burn and electrical shock, never attempt to service heater while it is plugged in, operating, or hot. UPPER SHELL REMOVAL 1. Remove screws along each side of heater using 5/16" nut-driver .
www.desatech.com 113282-01C 10 SERVICE PROCEDURES Continued Figure 15 - Air Output, Air Intake, and Lint Filters, 110/115/155/165/200 Models Only Air Intake Filter Filter End Cover Lint Filter Air Output Filter 6. Replace filter end cover . 7. Replace fan guard and upper shell.
www.desatech.com 113282-01C 11 SERVICE PROCEDURES Continued IGNITOR 1. Remove upper shell and fan guard (See Up- per Shell Removal , page 9). 2. Remove fan (see page 9). 3. Remove 4 side cover screws with a 5/16" nut driver . Remove side cover (see Figures 18 or 19, page 10).
www.desatech.com 113282-01C 12 SERVICE PROCEDURES Continued NOZZLE ASSEMBLY (For 40/50 /55/60/70/110/115/155/165 Models Only) 1. Remove upper shell (see Upper Shell Re- moval , page 9). 2. Remove fan (see Fan , page 9). 3. Remove fuel and air line hoses from nozzle assembly (see Figure 23 or 24).
www.desatech.com 113282-01C 13 SERVICE PROCEDURES Continued Figure 27 - Removing Air and Fuel Line Hoses (200 Model Only) Fuel Line Hose Nozzle/ Adapter Assembly Combustion Chamber Nozzle Adapter Brac.
www.desatech.com 113282-01C 14 SERVICE PROCEDURES Continued PUMP ROTOR (Procedure if Rotor is Binding) 1. Remove upper shell (see Upper Shell Re- moval , page 9). 2. Remove filter end cover screws using 5/16" nut driver (see Figure 30 or 31). 3. Remove fi lter end cover and air fi lters.
www.desatech.com 113282-01C 15 SERVICE PROCEDURES Continued IGNITION CONTROL ASSEMBLY WARNING: High voltage! 1. Unplug heater . 2. Remove side cover screws (4) using 5/16" nut- driver to expose ignition control assembly . 3. Remove fuse cover (see Figure 34).
www.desatech.com 113282-01C 16 WIRING DIAGRAMS Power Plug 120V/60Hz Blue Blue White Photocell Ignition Control Assembly Green Black Black Green Red Black Y ellow Y ellow Motor Ignitor Photocell Photoc.
www.desatech.com 113282-01C 17 Power Plug 120V/60Hz Blue Blue White Photocell Ignition Control Assembly Green Black Black Green Red Black Y ellow Y ellow Motor Ignitor Thermostat Photocell Photocell I.
www.desatech.com 113282-01C 18 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 33 34 35 31 32 38 37 39 36 9-2 9-1 110/115 Burner Head Assembly 9-3 9-4 9- 5 ILLUSTRATED.
www.desatech.com 113282-01C 19 PARTS LIST 40 MODELS This list contains replaceable parts used in your heater . When ordering parts, be sure to provide the correct model and serial numbers (from the model plate), then the part number and description of the desired part.
www.desatech.com 113282-01C 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 33 34 35 40 31 32 38 37 39 36 9-1 9-3 9-4 9-5 ILLUSTRATED PARTS BREAKDOWN STANDARD MODEL.
www.desatech.com 113282-01C 21 PARTS LIST 50/55/60/70 MODELS This list contains replaceable parts used in your heater . When ordering parts, be sure to provide the correct model and serial numbers (from the model plate), then the part number and description of the desired part.
www.desatech.com 113282-01C 22 ILLUSTRATED PARTS BREAKDOWN STANDARD MODELS PK110, R110D, R115D, B115D, PK115, UK110, TK110, TK115, REM115D, RM115D, B155D, REM155D, R165D, RM155D, PK155, UK155, TK155, .
www.desatech.com 113282-01C 23 KEY PART NO. NUMBER DESCRIPTION QTY. 1 098511-292 Upper Shell (Service Part Will Be Black) 1 2 M15823-27 Screw, #10-16 x 1/2" 8 3 098512-71 Combustion Chamber (110/.
www.desatech.com 113282-01C 24 1 2 3 23 19 9 10 11 12 13 15 25 27 24 28 29 30 31 17 14 14 39 33 34 35 36 32 26 5 4 6 7 8 16 18 37 38 20 22 21 42 41 44 40 43 ILLUSTRATED PARTS BREAKDOWN STANDARD MODELS.
www.desatech.com 113282-01C 25 PARTS LIST 200 MODELS This list contains replaceable parts used in your heater . When ordering parts, be sure to provide the correct model and serial numbers (from the model plate), then the part number and description of the desired part.
www.desatech.com 113282-01C 26 KEY PART NO. NUMBER DESCRIPTION QTY. 1 HA3027 Nozzle Assembly (110/115) 1 HA3028 Nozzle Assembly (155/165) 1 2 HA1000 Ignitor Kit 1 3 M10908-75 Screw, #6-32 x 7/8" .
www.desatech.com 113282-01C 27 ILLUSTRATED PARTS BREAKDOWN KEY PART NO. NUMBER DESCRIPTION QTY. 1 102001-28 Motor (40/50/55/60) 1 102001-29 Motor (70) 1 2 079975-03 Pump Body (50/55/60) 1 079975-02 Pu.
www.desatech.com 113282-01C 28 ILLUSTRATED PARTS BREAKDOWN 11 17 16 15 14 13 12 10 1 2 3 4 5 6 7 8 9 13 KEY PART NO. NUMBER DESCRIPTION QTY. 1 102001-30 Motor 1 2 079975-02 Pump Body 1 3 FHPF3-5C Scre.
www.desatech.com 113282-01C 29 1 2 3 4 5 6 7 8 9 10 11 12 18 14 15 16 17 13 19 KEY PART NO. NUMBER DESCRIPTION QTY. 1 102001-27 Motor 1 2 079975-03 Pump Body 1 3 FHPF3-6C Screw, #10-32 x 5/8" 2 4.
www.desatech.com 113282-01C 30 REPLACEMENT PARTS Note: Use only original replacement parts. This will protect your warranty coverage for parts re- placed under warranty . PARTS UNDER WARRANTY Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA Heating Products’ T echnical Service Dept.
www.desatech.com 113282-01C 31 TECHNICAL SERVICE Y ou may have further questions about installation, operation, or troubleshooting. If so, contact DESA Heating Products’ T echnical Service Department at 1-866-672-6040. When calling please have your model and serial numbers of your heater ready .
WARRANTY AND REPAIR SERVICE Printed in U.S.A. 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 workmanship.
An important point after buying a device Desa BTU/HR (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Desa BTU/HR yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Desa BTU/HR - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Desa BTU/HR you will learn all the available features of the product, as well as information on its operation. The information that you get Desa BTU/HR will certainly help you make a decision on the purchase.
If you already are a holder of Desa BTU/HR, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Desa BTU/HR.
However, one of the most important roles played by the user manual is to help in solving problems with Desa BTU/HR. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Desa BTU/HR along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
