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Desa SPC170-F Owner's Manual

Propane construction forced air heater, owner’s manual
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PROPANE CONSTRUCTION FORCED AIR HEATER
170,000 BTU/HR VARIABLE WITH BUILT-IN THERMOSTAT
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.
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.
Safety Informa ion ............................................... 2
Unpacking ........................................................... 3
Theory of Operation ............................................ 4
Propane Supply ................................................... 4
Installation ........................................................... 4
Ventilation ........................................................... 5
Operation ............................................................. 5
Storage ................................................................ 6
Maintenance ........................................................ 6
OWNER'S MANUAL

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For more information, visit www.desatech.com
Troubleshooting ................................................... 7
Service Procedures ............................................. 8
Wiring Diagram .................................................. 10
Accessories ........................................................11
Technical Service ...............................................11
Replacement Parts .............................................11
Warranty and Repair Service ............................ 14

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  • Page 1: Table Of Contents

    PROPANE CONSTRUCTION FORCED AIR HEATER OWNER’S MANUAL 170,000 BTU/HR VARIABLE WITH BUILT-IN THERMOSTAT 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. 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...

  • Page 2: Safety Informa Ion

    SAFETY INFORMATION Propane gas is odorless. An odor- Propane Gas: making agent is added to propane gas. The odor helps you detect a propane gas leak. However, the WARNING: This product odor added to propane gas can fade. Propane gas contains and/or generates may be present even though no odor exists.

  • Page 3: Product Identification

    SAFETY INFORMATION PRODUCT Continued IDENTIFICATION 13. Keep heater at least six feet from propane Hot Air Outlet (Front) tank(s). Do not point heater at propane tank(s) within 20 feet (6.1 m). 14. Keep propane tank(s) below 100 F (38 C). 15.

  • Page 4: Theory Of Operation

    THEORY OF OPERATION The direct spark ignitor The Ignition System: (DSI) sends voltage to the spark plug/ignitor. The hose/regulator assembly The Fuel System: The spark plug/ignitor ignites the fuel and air attaches to the propane gas supply. The propane mixture. gas moves through the solenoid valve and out This system causes The Safety Control System:...

  • Page 5: Ventilation

    INSTALLATION Continued 1. Provide propane supply system (see Propane Supply, page 4). 2. Connect POL fitting on hose/regulator as- sembly to propane tank(s). Turn POL fitting counterclockwise into threads on tank. Tighten firmly using wrench. Tighten regulator with vent pointing down. 3.

  • Page 6: Storage

    OPERATION TO STOP HEATER 1. Tightly close propane supply valve on propane Continued tank(s). 3. Plug power cord of heater into a three-prong, 2. Wait a few seconds. Heater will burn gas left grounded extension cord. Extension cord must in supply hoses. be at least six feet long.

  • Page 7: Troubleshooting

    TROUBLESHOOTING WARNING: Never service heater while it is plugged in, connected to propane supply, operating or hot. Severe burns and electrical shock can occur. OBSERVED PROBLEM POSSIBLE CAUSE REMEDY Fan does not turn when heater 1. No electrical power to heater 1.

  • Page 8: Service Procedures

    SERVICE PROCEDURES WARNING: Never service heater while it is plugged in, connected to propane supply, operating or hot. Severe burns and electrical shock can occur. MOTOR 1. With heater on its side, remove access panel. 2. Access ground screw through underside of heater base.
  • Page 9 SERVICE PROCEDURES Continued SPARK TRANSFORMER 1. Remove access panel. 2. Locate and disconnect white, black and orange wires from spark transformer. 3. Remove screw holding spark transformer to base. Remove sheet metal nut on transformer and install on new transformer. Discard spark transformer.

  • Page 10: Specifications

    SPECIFICATIONS • 125,000 - 170,000 Btu/Hr (36.6 - 49.8 kW) • Propane/LP Fuel • Gas Supply Pressure to Regulator Max - Bottle Pressure, Min - 5 psig (34.5 kPa) • Gas Supply Pressure Regulator out 28" WC (6.97 kPa) • Electrical Input - 115V, 60 Hz, 1Ø, 3a •...

  • Page 11: Accessories

    Contact authorized dealers of this product. If they of your heater ready. canʼt supply original replacement part(s), either You can also visit DESA Heating Products' Techni- contact your nearest Parts Central or call DESA cal Service web site at www.desatech.com Heating Productsʼ...

  • Page 12: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAKDOWN MODELS BLP170VT, REM170VT, RLP170VT, SBLP170VT, 170-F AND SPC170-F www.desatech.com 113959-01B...
  • Page 13 PARTS LIST MODELS BLP170VT, REM170VT, RLP170VT, SBLP170VT, 170-F AND SPC170-F 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. NO. PART NO. DESCRIPTION QTY.

  • Page 14: Warranty And Repair Service

    LIMITED WARRANTIES FOR NEW AND FACTORY RECONDITIONED PRODUCTS DESA Heating Products warrants this heater and any parts thereof, to be free of defects in materials New Products: and workmanship for one (1) year from the date of first purchase, when operated and maintained in accordance with the manufacturer's instructions.

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