Owner's Manual

ManualsBrandsDesa Tech ManualsHeatersDesa Tech B150JT

PORTABLE FORCED

AIR HEATER

(WITH BUILT-IN THERMOSTAT)

OWNER’S MANUAL

IMPORTANT: Read and understand this manual before assembling, start-

ing, or servicing heater. Improper use of heater can cause serious injury.

Keep this manual for future reference.

Fill In For Your Records

Model No. ___________________

(Located on side panel)

Serial No. ___________________

(Located on fuel tank)

Heater Sizes:

110,000, 115,000,

150,000, 155,000,

and 165,000 Btu/Hr

H.S.I. Series

TABLE OF CONTENTS

SAFETY INFORMATION .............................................2

UNPACKING ................................................................2

PRODUCT IDENTIFICATION ......................................3

ASSEMBLY ..................................................................3

FUELS .........................................................................4

VENTILATION..............................................................4

THEORY OF OPERATION ..........................................4

OPERATION ................................................................4

OPERATION WITH PORTABLE GENERATOR ..........5

PREVENTATIVE MAINTENANCE SCHEDULE ..........5

TROUBLESHOOTING .................................................6

SERVICE PROCEDURES ...........................................7

WIRING DIAGRAM .................................................... 11

SPECIFICATIONS ..................................................... 11

STORING, TRANSPORTING, OR SHIPPING........... 11

ILLUSTRATED PARTS BREAKDOWN .....................12

PARTS LIST ...............................................................13

REPLACEMENT PARTS ...........................................15

TECHNICAL SERVICE ..............................................15

ACCESSORIES .........................................................15

WARRANTY AND REPAIR SERVICE .......................16

Summary of content (16 pages)

PAGE 1
PORTABLE FORCED AIR HEATER (WITH BUILT-IN THERMOSTAT) OWNER’S MANUAL Heater Sizes: 110,000, 115,000, 150,000, 155,000, and 165,000 Btu/Hr H.S.I. Series 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. TABLE OF CONTENTS SAFETY INFORMATION ............................................. 2 UNPACKING ................................................................
PAGE 2
• SAFETY INFORMATION • UNPACKING SAFETY INFORMATION WARNINGS 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. DANGER: Carbon monoxide poisoning may lead to death! Carbon Monoxide Poisoning: Early signs of carbon monoxide poisoning resemble the flu, with headaches, dizziness, and/or nausea.
PAGE 3
• PRODUCT IDENTIFICATION • ASSEMBLY PRODUCT IDENTIFICATION Hot Air Outlet Upper Shell Fan Guard Thermostat Knob Lower Shell Fuel Cap Fuel Tank Side Cover Ignition Control Assembly (assembly on inside of side cover) Power Cord Figure 1 - Portable Forced Air Heater ASSEMBLY Front Handle These models are furnished with wheels and a rear handle. Some models are furnished with a front handle also. Wheels, handle(s), and the mounting hardware are found in the shipping carton.
PAGE 4
• • • • FUELS VENTILATION THEORY OF OPERATION OPERATION FUELS WARNING: Use only kerosene or No. 1 fuel oil to avoid risk of fire or explosion. Never use gasoline, naphtha, paint thinners, alcohol, or other highly flammable fuels. Do not use heavy fuels such as No. 2 fuel oil or No. 2 Diesel. Using heavy fuels will result in a clogged fuel filter and/or nozzle. THEORY OF OPERATION The Fuel System: The air pump forces air through the air line. The air is then pushed through the nozzle.
PAGE 5
• OPERATION • OPERATION WITH PORTABLE GENERATOR • PREVENTATIVE MAINTENANCE SCHEDULE TO STOP HEATER Unplug extension cord from outlet. TO RESET HEATER 1. 2. 3. 4. Unplug extension cord from outlet and wait 10 seconds (two minutes if heater has been running). Turn thermostat knob clockwise to the HIGH position. Plug extension cord into standard 120 volt/60 hertz, three-hole, grounded outlet. Note: Ignitor will preheat for five seconds then heater will start. Adjust thermostat knob to the desired setting.
PAGE 6
• TROUBLESHOOTING TROUBLESHOOTING WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. Note: For additional help, visit DESA International’s technical service web site at www.desatech.com. FAULT CONDITION POSSIBLE CAUSE REMEDY Motor does not start five seconds after heater is plugged in 1. No power to heater 2. Thermostat setting too low 1. Check circuit breaker in electrical panel 2.
PAGE 7
• SERVICE PROCEDURES SERVICE PROCEDURES PUMP PRESSURE ADJUSTMENT Fan 1. Motor WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. 2. Flush UPPER SHELL REMOVAL 1. 2. 3. Remove screws along each side of heater using 5/16" nut-driver. These screws attach upper and lower shells together. Lift upper shell off. Remove fan guard. Upper Shell Fan Guard 4.
PAGE 8
• SERVICE PROCEDURES SERVICE PROCEDURES Continued WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. IGNITOR 1. Remove upper shell and fan guard (see page 7). Remove fan (see page 7). Remove 4 side cover screws with a 5/16" nut driver. Remove side cover (see Figure 10). Disconnect ignitor wires (yellow) from ignition control assembly (see Figure 11). Pull the ignitor wires up through the hole in the lower shell.
PAGE 9
• SERVICE PROCEDURES SERVICE PROCEDURES Continued NOZZLE ASSEMBLY 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Remove upper shell (see page 7). Remove fan (see page 7). Remove fuel and air line hoses from nozzle assembly (see Figure 13 or 14). Turn nozzle assembly 1/4 turn to left and pull toward motor to remove (see Figure 15). Place plastic hex-body into vise and lightly tighten. Carefully remove nozzle from the nozzle adapter using 5/8" socket wrench (see Figure 16).
PAGE 10
• SERVICE PROCEDURES Blade Pump Plate Air Intake Filter SERVICE PROCEDURES Continued Filter End Cover PUMP ROTOR Insert Rotor (Procedure if Rotor is Binding) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. Remove upper shell (see page 7). Remove filter end cover screws using 5/16" nut-driver. Remove filter end cover and air filters (see Figure 18). Remove pump plate screws using 5/16" nut-driver. Remove pump plate. Remove rotor, insert, and blades. Check for debris in pump.
PAGE 11
• WIRING DIAGRAM • SPECIFICATIONS • STORING, TRANSPORTING, OR SHIPPING WIRING DIAGRAM Ignitor Yellow STORING, TRANSPORTING, OR SHIPPING Yellow Ignitor Red Note: If shipping, transport companies require fuel tanks to be empty. 1. Drain fuel tank. Note: This model has a drain plug on underside of fuel tank. Remove drain plug to drain all fuel. Be sure all fuel is removed. 2. Replace drain plug. 3. If any debris is noted in old fuel, add 1 or 2 quarts of clean kerosene to tank, stir, and drain again.
PAGE 12
• ILLUSTRATED PARTS BREAKDOWN ILLUSTRATED PARTS BREAKDOWN 2 1 7-1 7-2 7-6 110,000, 115,000 150,000, 155,000, AND 165,000 BTU/HR H.S.I. SERIES 7-3 3 7-4 9 7 10 5 4 7-5 16 6 8 11 19 23 24 12 28 15 25 18 26 20 27 29 22 21 30 37 31 13 38 35 10-1 33 10-2 10-3 17 32 10-4 34 14 36 14 10-5 10-6 10-17 10-7 10-16 10-8 10-15 10-9 10-13 10-10 10-18 10-14 10-13 Motor and Pump Assembly For more information, visit www.desatech.
PAGE 13
• PARTS LIST PARTS LIST 110,000, 115.000 150,000, 155,000, AND 165,000 BTU/ HR H.S.I. SERIES KEY NO. PART NUMBER 1 098511-66 2 3 4 5 6 7 7-1 7-2 7-3 7-4 7-5 7-6 8 9 10 10-1 10-2 10-3 10-4 10-5 10-6 10-7 10-8 10-9 10-10 10-11 10-12 10-13 10-14 10-15 10-16 10-17 10-18 11 DESCRIPTION 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.
PAGE 14
• PARTS LIST PARTS LIST Continued WHEELS AND HANDLE PARTS LIST KEY NO. 1 2 3 4 5 6 7 PART NUMBER HA2203 HA2204 M12345-33 M12342-3 M12831-3 NTC-3C 107426-01 M28526 M51015-01 M16801-2 PART DESCRIPTION Handle (110/115) Handle (150/155/165) Screw, #10-24 x 1 3/4" Wheel Support Frame (110/115) Wheel Support Frame (150/155/165) Hex Nut, #10-24 Wheel Kit (Contains 2 Wheels and Cap Nuts) Cap Nut Axle (110/115) Axle (150/155/165) PART AVAILABLE - NOT SHOWN QTY.
PAGE 15
• REPLACEMENT PARTS • TECHNICAL SERVICE • ACCESSORIES 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 International’s Technical Service Dept. at 1-800-323-5190.
PAGE 16
WARRANTY AND REPAIR SERVICE KEEP THIS WARRANTY Model No. Serial No. Date of Purchase (To be filled in by purchaser) LIMITED WARRANTY DESA International warrants this product and any parts thereof, to be free from defects in materials and workmanship for one (1) year from the date of first purchase when operated and maintained in accordance with instructions. This warranty is extended only to the original retail purchaser, when proof of purchase is provided.