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PROPANE
CONSTRUCTION
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 POI-
SONING, 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.
HEATER
OWNER'S MANUAL
Model: RM50PVA
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Related Manuals for Desa RM50PVA
Summary of Contents for Desa RM50PVA
- Page 1 EXPLOSION, BURN, ASPHYXIATION, CARBON MONOXIDE POI- SONING, 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. Model: RM50PVA...
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Page 2: Safety Information
50,000 BTU/HR PROPANE CONSTRUCTION HEATER SAFETY INFORMATION WARNINGS WARNING ICON G 001 WARNING: FIRE, BURN, IN- HALATION, AND EXPLOSION HAZARD. KEEP SOLID COMBUS- TIBLES, SUCH AS BUILDING MA- TERIALS, PAPER OR CARD- BOARD, A SAFE DISTANCE AWAY FROM THE HEATER AS RECOMMENDED BY THE IN- STRUCTIONS. -
Page 3: Product Identification
PRODUCT IDENTIFICATION Hot Air Outlet (Front) Heater Base Piezo Ignitor Button Automatic Control Valve Knob Hose / Regulator Assembly Figure 1 - 50,000 BTU/Hr Model 105338 Shell Handle Motor Fan Guard Valve Power Inlet Cord OWNER’S MANUAL UNPACKING Remove all packing items applied to heater for shipment. -
Page 4: Theory Of Operation
50,000 BTU/HR PROPANE CONSTRUCTION HEATER THEORY OF OPERATION THE FUEL SYSTEM The hose/regulator assembly attaches to the propane gas supply. This provides fuel to the heater. THE AIR SYSTEM The motor turns the fan. The fan pushes air into and around the combustion chamber. This air is heated and provides a stream of clean, hot air. -
Page 5: Installation
INSTALLATION WARNING: Review and un- derstand the warnings in the Safety Information section, page 2. They are needed to safely op- erate this heater. Follow all local codes when using this heater. WARNING: Test all gas pip- ing and connections for leaks after installation or servicing. -
Page 6: Operation
50,000 BTU/HR PROPANE CONSTRUCTION HEATER OPERATION WARNING: Review and un- derstand the warnings in the Safety Information section, page 2. They are needed to safely op- erate this heater. Follow all local codes when using this heater. TO START HEATER 1. -
Page 7: Maintenance
• Do not block the flow of com- bustion or ventilation air. 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. -
Page 8: Service Procedures
50,000 BTU/HR PROPANE CONSTRUCTION HEATER SERVICE PROCEDURES You can also visit DESA International’s Technical Service site www.desatech.com. WARNING: Never service heater while it is plugged in, con- nected to propane supply, oper- ating, or hot. Severe burns and electrical shock can occur. - Page 9 SERVICE PROCEDURES Continued 1. Remove three screws that attach fan guard to heater shell. 2. Remove motor and fan guard from heater shell (see Figure 14). 3. Use hex wrench to loosen set screw that holds fan to motor shaft (see Figure 15). 4.
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Page 10: Illustrated Parts Breakdown
50,000 BTU/HR PROPANE CONSTRUCTION HEATER ILLUSTRATED PARTS BREAKDOWN RM50PVA 105338... -
Page 11: Parts List
PARTS LIST RM50PVA PART 104154-01 M11084-26 105333-02 104786-01 M11143-1 101480-12 M11084-27 099393-03 105341-01 099539-01 M11084-38 101478-03 105332-01 103863-01 097384-02 097968-05 NPC-00C 101481-04 097776-01 099237-01 104146-01 103921-01 102445-01 078978-03 105335-01 099202-02 M12461-14 098219-25 099596-29 103867-05 103869-03 099672-01 LPA3055 LPA4020 105338 OWNER’S MANUAL This list contains replaceable parts used in your heater. -
Page 12: Specifications
If they can not supply an accessory or part, either con- tact your nearest Parts Central (listed in the separate Authorized Service Center book- let) or contact DESA International for infor- mation. Part Number Description... - Page 13 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ 105338...
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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 International will repair or replace the heater without charge.