Table of Contents
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KEROSENE/DIESEL PORTABLE FORCED AIR HEATERS
HEATER SIZES: 40,000 50,000 55,000 60,000 70,000 110,000
115,000 155,000 165,000 AND 200,000 BTU/HR MODELS
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.
Safety Information ............................................... 2
Unpacking ........................................................... 3
Product Identification .......................................... 3
Fuels ................................................................... 4
Ventilation ........................................................... 4
Theory of Operation ............................................ 4
Assembly ............................................................ 5
Operation ............................................................ 5
Operation With Portable Generator ..................... 6
Storing, Transporting, or Shipping ....................... 6
Fill In For Your Records
Model No. _______________________
(Located on side panel)
Serial No. _______________________
(Located on fuel tank)
Date of Purchase: _________________
OWNER'S MANUAL
H.S.I. SERIES
TABLE OF CONTENTS
Save this manual for future reference.
For more information, visit www.desatech.com
New
Straight
Shell
Design
Preventative Maintenance Schedule ................... 7
Troubleshooting ................................................... 7
Service Procedures ............................................. 9
Specifications .................................................... 15
Wiring Diagrams ............................................... 16
Illustrated Parts Breakdown and Parts List ....... 18
Replacement Parts ........................................... 30
Technical Service .............................................. 31
Accessories ....................................................... 31
Warranty and Repair Service ............. Back Cover
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Summary of Contents for Desa BTU/HR
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Page 1: Table Of Contents
KEROSENE/DIESEL PORTABLE FORCED AIR HEATERS HEATER SIZES: 40,000 50,000 55,000 60,000 70,000 110,000 115,000 155,000 165,000 AND 200,000 BTU/HR MODELS 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. -
Page 2: Safety Information
• Use only in well-vented areas. Before using heater, provide at least a three-square-foot (2800 square cm) opening of fresh, outside air for each 100,000 Btu/Hr (30 kw) of rating. • Keep children and animals away from heater at all times. -
Page 3: Unpacking
SAFETY INFORMATION Continued • Never move, handle, refuel, or service a hot, operating, or plugged-in heater. • Never attach duct work to front or rear of heater. • Never attach heater to external fuel tank. • Heaters used in the vicinity of tarpaulins, can- vas, or similar enclosure materials shall be lo- cated a safe distance from such materials. -
Page 4: Fuels
Make certain these requirements are met prior to operating heater. Example: A 200,000 Btu/Hr (58.6kw) heater re- quires one of the following: • a two-car garage door [16 feet (4.88 meter) opening] raised 5 inches (12.7 cm) •... -
Page 5: Assembly
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. Tools Needed • Medium Phillips Screwdriver •... -
Page 6: Operation With Portable Generator
OPERATION Continued TO RESTART HEATER Wthout ON/OFF Switch 1. Unplug extension cord from outlet and wait 10 seconds. (Wait two minutes if heater has been running.) 2. Repeat steps under To Start Heater. With ON/OFF Switch 1. Push ON/OFF switch to OFF (O) position and wait 10 seconds (2 minutes if heater has been running). -
Page 7: Preventative Maintenance Schedule
PREVENTATIVE MAINTENANCE SCHEDULE WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. Item How Often Fuel tank Flush every 150-200 hours of operation or as needed Air output and lint filters Replace every 500 hours of operation or once a year Air intake filter... -
Page 8: Fault Condition
FAULT CONDITION Motor starts and runs but heater does not ignite Heater ignites but ignition con- trol assembly shuts heater off after a short period of time TROUBLESHOOTING Continued POSSIBLE CAUSE 1. No fuel in tank 2. Pump pressure incorrect 3. -
Page 9: Service Procedures
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. These screws attach upper and lower shells together. - Page 10 SERVICE PROCEDURES Continued 6. Replace filter end cover. 7. Replace fan guard and upper shell. IMPORTANT: Do not oil filters. Air Intake Filter Lint Filter Air Output Filter Figure 15 - Air Output, Air Intake, and Lint Filters, 110/115/155/165/200 Models Only PUMP PRESSURE ADJUSTMENT 1.
- Page 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).
- Page 12 SERVICE PROCEDURES Continued Combustion Chamber Nozzle Adapter Bracket Photocell Bracket Air Line Hose Figure 23 - Removing Air and Fuel Line Hoses (40/50/55/60/70 Models Only) Combustion Chamber Nozzle Adapter Bracket Air Line Hose Fuel Line Hose Figure 24 - Removing Air and Fuel Line Hoses (110/115/155/165 Models Only) NOZZLE ASSEMBLY (For 40/50/55/60/70/110/115/155/165...
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Page 13: Fuel And Air Line Replacement And Proper Routing
SERVICE PROCEDURES Continued (For 200 Model Only) 1. Remove combustion chamber and ignitor by following steps 1 through 7 under Ignitor, pages 11 and 12. 2. Carefully place the ignitor in a safe location. 3. Remove two nozzle adapter bracket screws (see Figure 27). - Page 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 filter end cover and air filters. 4.
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Page 15: Specifications
6. Replace fuse cover (see Figure 34). 7. Replace side cover (see Figures 18 or 19, page 10). Model Size Output Rating (Btu/Hr) Fuel Fuel Tank Capacity (U.S. Gal./Liters) Fuel Consumption (Gal. Per Hr/Liters Per Hr) .3/1.14... -
Page 16: Wiring Diagrams
AC Neutral (L2) Photocell Photocell Motor Return AC Neutral (L2) 120V (L1) (50/55/60/70/110/115/155/165/200 Models) Figure 35 - Wiring Diagram without Thermostat (40/50/55/60/70/110/115/155/165/200 Models with Ignitor HA1000) Photocell Photocell Motor Return AC Neutral (L2) 120V (L1) Figure 36 - Wiring Diagram without Thermostat (50/55/60 Models with Ignitor 102548-08) WIRING DIAGRAMS Blue... - Page 17 WIRING DIAGRAMS Motor Return AC Neutral (L2) Motor Return AC Neutral (L2) 120V (L1) (50/55/60/70/110/115/155/165/200 Models) Figure 37 - Wiring Diagram with Thermostat (40/50/55/60/70/110/115/155/165/200 Models with Ignitor HA1000) Photocell Photocell Motor Return AC Neutral (L2) 120V (L1) Figure 38 - Wiring Diagram with Thermostat (50/55/60 Models with Ignitor 102548-08) 113282-01C Blue...
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Page 18: Illustrated Parts Breakdown And Parts List
ILLUSTRATED PARTS BREAKDOWN STANDARD MODEL R40, REM40, PK40, UK40, TK40, N40 THERMOSTAT MODELS R40T, REM40T, PK40T, UK40T, TK40T, N40T www.desatech.com 110/115 Burner Head Assembly 113282-01C... -
Page 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. PART NUMBER M51104-01 098511-67 M11084-29... - Page 20 ILLUSTRATED PARTS BREAKDOWN STANDARD MODEL R50, REM50, R55C, R60A, PK55, UK55,TK50, TK55,B55C, REM60A, R70E, B70E, RM60A, PK60, UK60, PK70, UK70 THERMOSTAT MODELS R50T, REM50T, R55CT, R60AT, PK55T, UK55T,TK50T, TK55T, B55CT, REM60AT, R70ET, B70ET, RM60T, PK60T, UK60T, PK70T, UK70T www.desatech.com 113282-01C...
- Page 21 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. PART NUMBER M51104-01 098511-67 M11084-29...
- Page 22 ILLUSTRATED PARTS BREAKDOWN STANDARD MODELS PK110, R110D, R115D, B115D, PK115, UK110, TK110, TK115, REM115D, RM115D, B155D, REM155D, R165D, RM155D, PK155, UK155, TK155, B165D, R155D, B110D, RM110D, RM165D, REM110D, REM165D, PK165, UK165 THERMOSTAT MODELS R110DT, R115DT, B115DT, REM115DT, RM115DT, PK115T, UK110T, TK110T, TK115T, B155DT, REM155DT, R165DT, RM155DT, B165DT, PK155T, UK155T, TK155T, R155DT, B110DT, RM110DT, RM165DT, PK165T, UK165T, TK165T, REM110DT, REM165DT, SB115DT, SB165DT...
- Page 23 110/115/155/165 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. KEY PART NUMBER 098511-292 M15823-27...
- Page 24 ILLUSTRATED PARTS BREAKDOWN STANDARD MODELS R200B, PK200, UK200, TK200 THERMOSTAT MODELS RM200BT, B200BT, PK200T, UK200T, TK200T, REM200BT, R200BT www.desatech.com 113282-01C...
- Page 25 200 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. PART NUMBER 107353-10 M15823-27 098512-69...
- Page 26 ILLUSTRATED PARTS BREAKDOWN BURNER HEAD ASSEMBLY FOR 40/50/55/60/70 MODELS WITH HA1000 IGNITOR BURNER HEAD ASSEMBLY FOR 50/55/60 MODELS WITH 102548-08 IGNITOR BURNER HEAD ASSEMBLY FOR 110/115/155/165 MODELS NOZZLE/BURNER HEAD ASSEMBLY FOR 200 MODELS PART NUMBER HA3006 HA3024 HA3026 HA1000 104056-01 102336-01 M10908-75 103347-01...
- Page 27 ILLUSTRATED PARTS BREAKDOWN MOTOR AND PUMP ASSEMBLY FOR 40/50/55/60/70 MODELS PART NUMBER 102001-28 102001-29 079975-03 079975-02 M22009**, *** M22456-2** M22456-1*** M29608 M29632 ⊕ M29633 ⊕ M29609 M12461-31 M27694 ∞ M10993-1 ∞ M22997 ∞ M8940 ∞ M29612-01 ⊕ M12461-32 M12461-31 103676-01 M8643-2** M8643*** FHPF3-6C...
- Page 28 ILLUSTRATED PARTS BREAKDOWN MOTOR AND PUMP ASSEMBLY FOR 110/115/155/165 MODELS Included in Rotor Kit (Part No. HA3004) ∗∗∗ Included in Filter Kit (Part No. HA3017) Included in Pump Adjustment Kit (Part No. HA3020) ∞ PART NUMBER DESCRIPTION 102001-30 Motor 079975-02 Pump Body FHPF3-5C Screw, #10-32 x 5/8"...
- Page 29 ILLUSTRATED PARTS BREAKDOWN MOTOR AND PUMP ASSEMBLY FOR 200 MODELS KEY PART ∗∗∗ ∞ 113282-01C NUMBER DESCRIPTION 102001-27 Motor 079975-03 Pump Body FHPF3-6C Screw, #10-32 x 5/8" M22009** Rotor Insert M22456-2** Pump Rotor M50545 Pump End Cover M12179*** Intake Filter M16545 Filter End Cover M8940∞...
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Page 30: Replacement Parts
Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA Heating Products’ Technical Service Dept. at 1-866-672-6040. When calling DESA Heating Products, have ready: • your name • your address • model and serial numbers of your heater •... -
Page 31: Technical Service
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’ tech- nical services web site at www.desatech.com. ACCESSORIES Purchase accessories and parts from your near- est dealer or service center. -
Page 32: Warranty And Repair Service
WARRANTY AND REPAIR SERVICE DESA Heating Products warrants this product and any parts thereof, to be free from defects in materials and work- manship for one (1) year from the date of first purchase when operated and maintained in accordance with instruc- tions.