Desa ROPANE CONSTRUCTION HEATER Owner's Manual

Propane construction heater

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For more information, visit www.desatech.com
For more information, visit www.desatech.com
Variable
30,000, 40,000,
50,000 Btu/Hr
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
PROPANE SUPPLY .................................................................... 3
THEORY OF OPERATION ......................................................... 4
ASSEMBLY ................................................................................. 4
INSTALLATION ........................................................................... 4
VENTILATION ............................................................................. 5
OPERATION ............................................................................... 5
STORAGE ................................................................................... 6
Save this manual for future reference.
Save this manual for future reference.
PROPANE CONSTRUCTION
HEATER
TM
OWNER'S MANUAL
MAINTENANCE .......................................................................... 6
TROUBLESHOOTING ................................................................ 7
SERVICE PROCEDURES .......................................................... 8
SPECIFICATIONS .................................................................... 12
ACCESSORIES ........................................................................ 12
REPLACEMENT PARTS .......................................................... 12
OWNER'S REGISTRATION FORM .......................................... 13
WARRANTY AND REPAIR SERVICE ........................ Back Cover

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Summary of Contents for Desa ROPANE CONSTRUCTION HEATER

  • Page 1: Table Of Contents

    For more information, visit www.desatech.com For more information, visit www.desatech.com Variable 30,000, 40,000, 50,000 Btu/Hr 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...
  • 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 • To prevent injury, wear gloves when handling heater. • Never attach duct work to heater. • Do not alter heater. Keep heater in its original state. • Do not use heater if altered. • Turn off propane supply and unplug heater when not in use. •...
  • Page 4: Theory Of Operation

    THEORY OF OPERATION ASSEMBLY INSTALLATION THEORY OF OPERATION The hose/regulator assembly attaches to the The Fuel System: propane gas supply. This provides fuel to the heater. The motor turns the fan. The fan pushes air into and The Air System: around the combustion chamber.
  • Page 5: Ventilation

    INSTALLATION Continued 3. Connect hose to valve inlet. Tighten firmly using a wrench. You must use the regulator supplied with heater. 4. Open propane supply valve on propane tank(s) slowly. Note: If not opened slowly, excess-flow check valve on propane tank may stop gas flow.
  • Page 6: Storage

    OPERATION To Start Heater (Cont.) To Stop Heater To Restart Heater STORAGE MAINTENANCE OPERATION Continued 7. If main burner goes out, repeat step 6, page 5. 8. When main burner remains lit, rotate control knob to the de- sired heat level. START/ HIGH Figure 8 - Control Knob Positions...
  • Page 7: Troubleshooting

    TROUBLESHOOTING Note: For additional help, visit DESA International’s Technical Service web site at www.desatech.com. OBSERVED FAULT Fan does not turn when heater is plugged in. Heater will not ignite. Heater shuts down while running. For more information, visit www.desatech.com For more information, visit www.desatech.com...
  • Page 8: Service Procedures

    SERVICE PROCEDURES Electrical System Motor 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. ELECTRICAL SYSTEM The entire electrical system for this heater is contained within the motor.
  • Page 9 SERVICE PROCEDURES Continued IGNITOR 1. Remove motor and fan guard from heater (see Motor, page 8, steps 1 through 5). 2. Remove black ignitor wire from piezo ignitor. Access ignitor wire through underside of heater base (see Figure 14). Push wire up through bushing in heater shell.
  • Page 10: Illustrated Parts Breakdown And Parts List

    ILLUSTRATED PARTS BREAKDOWN Models BLP50VA, REM50PVA, RLP50VA, RM50PVA ILLUSTRATED PARTS BREAKDOWN MODELS: BLP50VA, REM50PVA RLP50VA, RM50PVA For more information, visit www.desatech.com For more information, visit www.desatech.com 105331-01C...
  • Page 11: Parts List

    PARTS LIST MODELS: BLP50VA, REM50PVA RLP50VA, RM50PVA This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 12 of this manual. PART M11084-26 105333-03AB 105333-02 105333-01 104786-01 M11143-1 101480-12 M11084-27 099393-03 105341-01...
  • Page 12: Specifications

    • model number of your heater • the replacement part number TECHNICAL SERVICE You may have further questions about this heater. If so, contact DESA International’s Technical Service Department at 1-866-672-6040. When calling, please have your model and serial numbers of your heater ready.
  • Page 13: Owner's Registration Form

    First Name: Address: City: Phone: ( Please answer the following questions to register your product with DESA International: 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 14 Postage Required 2701 Industrial Drive P.O. Box 90004 Bowling Green, KY 42102-9004 TAPE...
  • Page 15 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 16: Warranty And Repair Service

    WARRANTY AND REPAIR SERVICE 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.

This manual is also suitable for:

Blp50vaRem50pvaRlp50vaRm50pva

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