Desa BLP375AT Owner's Manual
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Desa BLP375AT Owner's Manual

Propane/lp construction forced air heater 225,000 - 375,000 btu/hr with built-in thermostat at series
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For more information, visit www.desatech.com
For more information, visit www.desatech.com
MODELS
BLP375AT
SBLP375AT
225,000 - 375,000 Btu/Hr With
Built-In Thermostat AT 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.
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 MONOX-
IDE POISONING, AND/OR ELECTRICAL SHOCK.
ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW THE INSTRUCTIONS SHOULD USE
OR SERVICE THIS HEATER.
IF YOU NEED ASSISTANCE OR HEATER INFORMATION SUCH AS AN INSTRUCTIONS
MANUAL, LABELS, ETC. CONTACT THE MANUFACTURER.

TABLE OF CONTENTS

SAFETY INFORMATION ............................................................ 2
PRODUCT IDENTIFICATION ..................................................... 3
UNPACKING ............................................................................... 3
THEORY OF OPERATION ......................................................... 3
PROPANE/LP SUPPLY .............................................................. 4
VENTILATION ............................................................................. 4
INSTALLATION ........................................................................... 4
OPERATION ............................................................................... 5
STORAGE ................................................................................... 5
MAINTENANCE .......................................................................... 6
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PROPANE/LP CONSTRUCTION
FORCED AIR HEATER
OWNER'S MANUAL
SERVICE PROCEDURE ............................................................ 6
SPECIFICATIONS ...................................................................... 7
ACCESSORIES .......................................................................... 7
TECHNICAL SERVICE ............................................................... 7
SERVICE PUBLICATIONS ......................................................... 7
WIRING DIAGRAMS ................................................................. 10
REPLACEMENT PARTS .......................................................... 10
OWNER'S REGISTRATION ...................................................... 11
WARRANTY INFORMATION ...................................... Back Cover

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  • Page 1: Table Of Contents

    For more information, visit www.desatech.com For more information, visit www.desatech.com MODELS BLP375AT SBLP375AT 225,000 - 375,000 Btu/Hr With Built-In Thermostat AT 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.

  • Page 2: Safety Information

    SAFETY INFORMATION SAFETY INFORMATION WARNINGS WARNING: This product contains and/or generates chemicals known to the State of California to cause cancer or birth defects, or other reproductive harm. WARNING: FIRE, BURN, INHALATION, AND EX- PLOSION HAZARD. KEEP SOLID COMBUSTIBLES, SUCH AS BUILDING MATERIALS, PAPER OR CARD- BOARD, A SAFE DISTANCE AWAY FROM THE HEATER AS RECOMMENDED BY THE INSTRUC- TIONS.

  • Page 3: Product Identification

    SAFETY INFORMATION Continued • Never attach duct work to front or rear of heater. • Use only original replacement parts. This heater must use de- sign-specific parts. Do not substitute or use generic parts. Im- proper replacement parts could cause serious or fatal injuries. •...

  • Page 4: Propane/Lp Supply

    PROPANE/LP SUPPLY VENTILATION INSTALLATION PROPANE/LP SUPPLY Propane/LP gas and propane/LP tank(s) are to be furnished by the user. Use this heater only with a propane/LP vapor withdrawal supply system. See Chapter 5 of the Standard for Storage and Handling of Liquefied Petroleum Gas, ANSI/NFPA 58 and the Propane Instal- lation Code CAN/CGA B149.2.

  • Page 5: Operation

    INSTALLATION Continued 5. Adjust regulator between 7 and 20 psig (see Figure 5). Note: Higher regulator setting will allow heater to produce more heat. 6. Check all connections for leaks. 7. Close propane/LP supply valve. WARNING: Do not adjust regulator below 7 psig or above 20 psig.

  • Page 6: Maintenance

    MAINTENANCE SERVICE PROCEDURE MAINTENANCE WARNING: Never service heater while it is plugged in, connected to propane supply, operating, or hot. Severe burns and electrical shock can occur. 1. Keep heater clean. Clean heater annually or as needed to re- move dust and debris. If heater is dirty or dusty, clean heater with a damp cloth.

  • Page 7: Specifications

    A POL adapter with excess-flow check valve. Thermostat: HA1210 TECHNICAL SERVICE You may have further questions about this heater. If so, contact DESA Heating Products’ Technical Service Department at 1-866-672-6040 or visit our website at www.desatech.com. When contacting DESA Heating Products, please have your model and serial num- bers of your heater ready.

  • Page 8: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAKDOWN Models BLP375AT and SBLP375AT ILLUSTRATED PARTS BREAKDOWN MODELS BLP375AT SBLP375AT Note: Screws are standard hardware items For more information, visit www.desatech.com For more information, visit www.desatech.com 103018-01H...
  • Page 9 This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 10 of this manual. PART NUMBER DESCRIPTION 097844-02 Outer Shell Assembly (BLP375AT) 097844-04 Outer Shell Assembly (SBLP375AT) Combustion Chamber Assembly Burner Assembly 097805-01...

  • Page 10: Wiring Diagrams

    Contact authorized dealers of this product. If they cannot supply original replacement part(s), either contact your nearest Parts Cen- tral or call DESA Heating Products at 1-866-672-6040 for referral information. When calling DESA Heating Products, have ready: • model number of your heater •...

  • Page 11: Owner's Registration

    First Name: Address: City: Phone: ( Please answer the following questions to register your product with DESA Heating Products: 1. Who will heater be used by? Individual 2. Will you use your heater in more than one location? 3. Where will the product be used? (You may select more than one.)
  • Page 12 Postage Required 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 TAPE...
  • Page 13 OTHER OUTDOOR HEATING PRODUCTS PROPANE/LP FORCED AIR HEATERS PROPANE/LP CONVECTION HEATERS PORTABLE KEROSENE/DIESEL FORCED AIR HEATERS PROPANE/LP TANK TOP HEATERS PROPANE/LP AND NATURAL GAS GARAGE HEATERS PROPANE/LP PROPANE/LP AND NATURAL PATIO HEATERS GAS CHIMENEAS...

  • Page 14: Warranty And Repair 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. If so, DESA Heating Products will repair or replace the heater without charge.

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Sblp375at

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