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Desa H.S.I. Series Owner's Manual

Portable forced air heater with built-in thermostat
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Download this manual See also: Owner's Manual
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.

TABLE OF CONTENTS

SAFETY INFORMATION ............................................. 2
UNPACKING ................................................................ 2
PRODUCT IDENTIFICATION ...................................... 3
ASSEMBLY .................................................................. 3
FUELS ......................................................................... 4
VENTILATION .............................................................. 4
THEORY OF OPERATION .......................................... 4
OPERATION ................................................................ 4
TROUBLESHOOTING ................................................. 6
Fill In For Your Records
Model No. ___________________
(Located on side panel)
Serial No. ___________________
(Located on fuel tank)
110,000, 115,000,
150,000, 155,000,
and 165,000 Btu/Hr
SERVICE PROCEDURES ........................................... 7
WIRING DIAGRAM .................................................... 11
SPECIFICATIONS ..................................................... 11
ILLUSTRATED PARTS BREAKDOWN ..................... 12
PARTS LIST ............................................................... 13
REPLACEMENT PARTS ........................................... 15
TECHNICAL SERVICE .............................................. 15
ACCESSORIES ......................................................... 15
WARRANTY AND REPAIR SERVICE ....................... 16
®
Heater Sizes:
H.S.I. Series

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Summary of Contents for Desa H.S.I. Series

  • Page 1: Table Of Contents

    AIR HEATER 150,000, 155,000, and 165,000 Btu/Hr (WITH BUILT-IN THERMOSTAT) H.S.I. Series 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.

  • Page 2: Safety Information

    • SAFETY INFORMATION • UNPACKING SAFETY c) All flame, including the pilot light, if • Use only in places free of flammable any, shall be extinguished and the heater vapors or high dust content. INFORMATION allowed to cool, prior to fueling. •...

  • Page 3: Product Identification

    • PRODUCT IDENTIFICATION • ASSEMBLY PRODUCT IDENTIFICATION Hot Air Outlet Upper Shell Thermostat Knob Fan Guard Lower Shell Fuel Cap Fuel Tank Side Cover Ignition Control Assembly (assembly on inside of Power Cord side cover) Figure 1 - Portable Forced Air Heater ASSEMBLY Front These models are furnished with wheels and...

  • Page 4: Fuels

    • FUELS • VENTILATION • THEORY OF OPERATION • OPERATION FUELS THEORY OF OPERATION The Fuel System: The air pump forces air The Ignition System: The ignition control WARNING: Use only kerosene through the air line. The air is then pushed assembly provides power to the ignitor.

  • Page 5: Operation With Portable Generator

    • OPERATION • OPERATION WITH PORTABLE GENERATOR • PREVENTATIVE MAINTENANCE SCHEDULE Ground Lug OPERATION OPERATION WITH PORTABLE Continued GENERATOR TO STOP HEATER Copper or Brass Unplug extension cord from outlet. Grounding WARNING: Before operating Point heater or any appliance from a TO RESET HEATER portable generator, verify that Unplug extension cord from outlet and...

  • Page 6: Troubleshooting

    • TROUBLESHOOTING TROUBLESHOOTING WARNING: Never service heater while it is plugged in, operating, or Note: For additional help, visit DESA hot. Severe burns and electrical shock can occur. International’s technical service web site at www.desatech.com. FAULT CONDITION POSSIBLE CAUSE REMEDY Motor does not start five seconds after heater 1.

  • Page 7: Service Procedures

    • SERVICE PROCEDURES SERVICE PUMP PRESSURE ADJUSTMENT PROCEDURES Remove pressure gauge plug from filter Motor end cover. WARNING: Never service heater while it is plugged in, op- Install accessory pressure gauge (part erating, or hot. Severe burns and number HA1180). electrical shock can occur.

  • Page 8: Fuel Filter

    • SERVICE PROCEDURES SERVICE IGNITOR Nozzle Adapter Combustion Remove upper shell and fan guard (see PROCEDURES Bracket Chamber page 7). Ignitor Continued Remove fan (see page 7). Line Ignitor Remove 4 side cover screws with a Hose Wires WARNING: Never service 5/16"...
  • Page 9 • SERVICE PROCEDURES SERVICE FUEL AND AIR LINE Combustion REPLACEMENT AND PROCEDURES Chamber PROPER ROUTING Continued Remove upper shell (see page 7). Burner NOZZLE ASSEMBLY Remove side cover screws using 5/16" Strap Remove upper shell (see page 7). nut driver Photocell Remove fan (see page 7).

  • Page 10: Pump Rotor

    • SERVICE PROCEDURES Blade SERVICE IGNITION CONTROL Pump Plate ASSEMBLY PROCEDURES Air Intake Filter (Procedure for Replacing Fuse) Continued Filter End Cover WARNING: High Voltage PUMP ROTOR Insert (Procedure if Rotor is Binding) Unplug heater. Rotor Remove upper shell (see page 7). Remove side cover screws (4) using 5/16"...

  • Page 11: Wiring Diagram

    • WIRING DIAGRAM • SPECIFICATIONS • STORING, TRANSPORTING, OR SHIPPING WIRING DIAGRAM STORING, TRANSPORTING, Ignitor Yellow Yellow OR SHIPPING Ignitor Note: If shipping, transport companies re- Motor Main quire fuel tanks to be empty. Black Drain fuel tank. 120V (L1) Note: This model has a drain plug on Thermostat underside of fuel tank.

  • Page 12: Illustrated Parts Breakdown

    • ILLUSTRATED PARTS BREAKDOWN ILLUSTRATED PARTS BREAKDOWN 110,000, 115,000 150,000, 155,000, AND 165,000 BTU/HR H.S.I. SERIES 10-1 10-2 10-3 10-4 10-5 10-6 10-17 10-7 10-16 10-8 10-15 10-9 10-13 10-10 10-14 10-18 10-13 10-12 Motor and Pump Assembly 10-11 For more information, visit www.desatech.com...

  • Page 13: Parts List

    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. 110,000, 115.000 150,000, 155,000, AND 165,000 BTU/ HR H.S.I. SERIES PART PART NUMBER DESCRIPTION QTY.
  • Page 14 • PARTS LIST PARTS LIST Continued WHEELS AND HANDLE PARTS LIST PART AVAILABLE - NOT SHOWN PART PART NUMBER DESCRIPTION QTY. PART NUMBER DESCRIPTION QTY. HA2203 Handle (110/115) 2 (If Equipped) HA2204 Handle (150/155/165) 2 (If Equipped) 100621-06 Thermostat Decal M12345-33 Screw, #10-24 x 1 "...

  • Page 15: Replacement Parts

    Note: Use only original replacement parts. not supply these accessories or parts, either This will protect your warranty coverage for contact your nearest Parts Central or DESA parts replaced under warranty. International for referral information. Parts Centrals are listed in the Authorized Service PARTS UNDER WARRANTY Center booklet supplied with heater.

  • Page 16: Warranty And Repair Service

    Should your heater require service, return it to your nearest authorized service center. Each Service Center is independently owned and operated. Proof of purchase must be presented with the heater. The heater will be inspected. A defect may be caused by faulty materials or workmanship. If so, DESA International will repair or replace the heater without charge.

This manual is also suitable for:

H.s. i. 110,000H.s. i. 115,000H.s. i. 165,000H.s. i. 150,000H.s. i. 155,000

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