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Desa RM50PVA manual

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Table of contents for the manual

  • Page 1

    PROP ANE CONSTRUCTION HEA TER OWNER’S MANUAL 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 CA[...]

  • Page 2

    2 105338 PROP ANE CONSTRUCTION HEA TER 50,000 BTU/HR SAFETY INFORMA TION 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. NEVER USE THE HEATER IN SPACES WHICH DO OR MAY CONTAIN VOLATILE OR[...]

  • Page 3

    3 105338 OWNER’S MANUAL PRODUCT IDENTIFICA TION Figure 1 - 50,000 BTU/Hr Model UNP ACKING 1. Remove all packing items applied to heater for shipment. Keep plastic cover caps (attached to inlet connector and hose/regulator assembly) for storage. 2. Remove all items from carton. 3. Check all items for shipping damage. If heater is damaged, promptly[...]

  • Page 4

    4 105338 PROP ANE CONSTRUCTION HEA TER 50,000 BTU/HR THEOR Y OF OPERA TION 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. TH[...]

  • Page 5

    5 105338 OWNER’S MANUAL INST ALLA TION Valve Inlet Hose Figure 7 - Hose and Inlet Connector 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. Propane Tank Propane Supply Valve Regulator Hose Fuel Gas Fitting Figur[...]

  • Page 6

    6 105338 PROP ANE CONSTRUCTION HEA TER 50,000 BTU/HR OFF MED HIGH ST ART/ LOW OPERA TION 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. Follow all installation, ventilation, and safety informat[...]

  • Page 7

    7 105338 OWNER’S MANUAL REMEDY 1. Check voltage to electrical outlet. If volt- age is good, check heater power cord for breaks 2. Adjust motor/fan guard to keep fan from hitting inside of heater shell. Bend fan guard if necessary 3. Replace fan. See Fan, page 9 4. Replace motor . See Motor , page 8 1. Repeat installation and operation in- structi[...]

  • Page 8

    8 105338 PROP ANE CONSTRUCTION HEA TER 50,000 BTU/HR SER VICE PROCEDURES ELECTRICAL SYSTEM The entire electrical system for this heater is contained within the motor. If any part of the electrical system is damaged, you must re- place motor. MOTOR 1. Remove three screws that attach fan guard to heater shell. 2. Remove motor and fan guard from heate[...]

  • Page 9

    9 105338 OWNER’S MANUAL 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 un- derside of heater base (see Figure 17). Push wire up through bushing in heater shell. 3. Remove ignitor mounting screw from rear head using nut-driver [...]

  • Page 10

    10 105338 PROP ANE CONSTRUCTION HEA TER 50,000 BTU/HR ILLUSTRA TED P ARTS BREAKDOWN RM50PVA 28 27 15 17 18 21 1 2 3 2 4 6 7 9 11 21 22 23 24 25 19 2 10 26 16 12 13 14 5 20 20 8[...]

  • Page 11

    11 105338 OWNER’S MANUAL P AR TS LIST 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. KEY PART NO. NO. DESCRIPTION QTY. 1 104154-01 Combustion Chamber 1 2 M11084-26 Hex Tap Screw, #10-16 x 3/8" 7 3 105333-02 Outer Shell 1 [...]

  • Page 12

    12 105338 PROP ANE CONSTRUCTION HEA TER 50,000 BTU/HR SPECIFICA TIONS Output Rating (BTU/Hr) High 49,500 Low 30,000 Fuel Propane Vapor Only Fuel Consumption Gallons/Hour 2.19 / 1.09 Pounds/Hour 9.28 / 4.64 Supply Pressure To Regulator Minimum (for input adjustment) 10 psi Maximum 200 psi Regulator Outlet Pressure High 18" WC Manifold Pressure [...]

  • Page 13

    13 105338 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _____________________________[...]

  • Page 14

    W ARRANTY AND REP AIR SER VICE LIMITED WARRANTY KEEP THIS WARRANTY For information, write: DESA International, P.O. Box 90004 Bowling Green, Kentucky 42102-9004 ATTN: Customer Service Department When writing, always include model number and serial number. 105338-01 REV. B 03/00 Model Serial No. Date of Purchase 2701 Industrial Drive P.O. Box 90004 [...]