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Desa BLP155AT manual

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Table of contents for the manual

  • Page 1

    PR OP ANE CONSTR UCTION HEA TER O WNER’S MANU AL ! GENERAL HAZARD WARNING: FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUC- TIONS 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[...]

  • Page 2

    2 100585 Safety Information ......................................................................... 2 Product Identification .................................................................... 4 Unpacking ...................................................................................... 4 Theory of Operation ................................[...]

  • Page 3

    3 100585 2 SAFETY INFORMA TION Continued ! W ARNINGS Continued Propane Gas: Propane gas is odorless. An odor-making agent is added to propane gas. The odor helps you detect a propane gas leak. However, the odor added to propane gas may fade. Propane gas may be present even though no odor exists. Make certain you read and understand all warnings. Ke[...]

  • Page 4

    4 100585 PR ODUCT IDENTIFICA TION Figure 1 - 50,000 BTU/Hr Model Power Cord Hose /Regulator Assembly Inlet Connector Handle Shell Hot Air Outlet (Front) Fan Guard Piezo Ignitor Button Automatic Control Valve Button UNP A CKING 1. Remove all packing items applied to heater for shipment. Keep plastic cover caps (attached to inlet connector and hose/r[...]

  • Page 5

    5 100585 Air For Combustion Air For Heating THEOR Y OF OPERA TION Combustion Chamber Clean Heated Air Out (Front) Hose/Regulator Assembly Cool Air In (Back) 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 th[...]

  • Page 6

    6 100585 INST ALLA TION Inlet Connector Hose Figure 4 - Hose and Inlet Connector ! W ARNING Review and understand the warnings in the Safety Informa- tion Section, pages 2 and 3. They are needed to safely operate this heater. Follow all local codes when using this heater. 3. Connect hose to inlet connector. Tighten firmly using a wrench. IMPORTANT[...]

  • Page 7

    7 100585 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. If this happens, close propane supply valve and open again slowly. 5. Check all connections for leaks. Apply mixture of liquid soap and water to gas joints. Bubbles forming show a leak that must b[...]

  • Page 8

    8 100585 5. 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. If this happens, close propane supply valve and open again slowly. OPERA TION Continued ! W ARNING Be sure motor and fan are running before pushing in auto- matic control valve button. Flames coul[...]

  • Page 9

    9 100585 ST ORA GE 1. Store propane tank(s) in safe manner. See Chapter 5 of Standard for Storage and Handling of Liquefied Petroleum Gases, ANSI/NFPA 58 and/or CAN/CGA B149.2. Follow all local codes. Always store propane tanks outdoors. 2. Place plastic cover caps over brass fittings on inlet connector and hose/regula- tor assembly. 3. Store in [...]

  • Page 10

    10 100585 TROUBLE- SHOO TING Check voltage to electrical out- let. If voltage is good, check heater power cord for breaks. Adjust motor/fan guard to keep fan from hitting inside of heater shell. Bend fan guard if neces- sary. Replace fan. See Fan, page 12. Replace motor. See Motor, page 11. Repeat installation and opera- tion instructions. See Inst[...]

  • Page 11

    11 100585 SER VICE PR OCEDURES Motor 1. Access ground screw through underside of heater base. Remove ground screw. Disconnect the green motor wire and the green power cord wire from underside of shell (see Figure 6). 2. Remove black and white motor wires from terminal board (see Figure 6). 3. Remove two wire guard screws. Remove wire guard. 4. Set [...]

  • Page 12

    12 100585 10. Attach fan guard to new motor with three nuts. Tighten nuts firmly. 11. Place fan onto motor shaft of new motor. IMPORTANT: When placing fan onto motor shaft, make sure part number stamped on fan is facing motor. Attach fan nut to end of motor shaft. Tighten fan nut firmly. 12. Place motor and fan guard into rear of heater shell. Ca[...]

  • Page 13

    13 100585 Ignitor 1. Remove motor and fan guard from heater (see Motor, page 11, steps 1 through 5). 2. Remove black ignitor wire from piezo ignitor. Access ignitor wire through underside of heater base (see Figure 11). Push wire up through bushing in heater shell. 3. Remove ignitor mounting screw from rear head using nut-driver or stan- dard screw[...]

  • Page 14

    14 100585 Black Black Green White Green Terminal Board White White Blue Blue T Thermal Switch 8 6 4 2 7 5 3 1 Relay Red Red Gas Valve Piezo Ignitor Electrode CONNECTION DIAGRAM Blue Rl White Red Red Thermal Motor (To Thermocouple) Thermo- couple Blue SPECIFICA TIONS Output Rating (BTU/Hr) 49,500 Fuel Propane Vapor Only Fuel Consumption Gallons/Hour[...]

  • Page 15

    15 100585 Parts Under Warranty Contact authorized dealers of this product. If they can’t supply original replace- ment part(s), either contact your nearest authorized service center or call DESA International’s Technical Service Department at 1-800-323-5190. When calling DESA International, have ready • your name • your address • model nu[...]

  • Page 16

    16 100585 ILLUSTRA TED PA R T S BREAKDO WN 1 2 3 2 4 6 7 8 9 38 11 21 22 41 23 24 17 35 36 19 20 21 5 10 27 16 12 13 14 15 FAN NUT FAN RUBBER WASHER MOTOR MOTOR ASSEMBLY 17 26 18 26 25 34 30 37 29 31 32 40 33 28 39 39 11[...]

  • Page 17

    17 100585 P AR TS LIST This list contains replaceable parts used in your heater . When ordering parts, follow the instructions listed under Replacement Parts on page 15 of this manual. KEY PART NO. NO. DESCRIPTION QTY. 1 099568-01 Inner Shell (Combustion Chamber) 1 2 M11084-26 Hex Tap Screw, #10-16 x 3/8" 7 3 099599-02AB Outer Shell (BLP50) 1 [...]

  • Page 18

    18 100585 NO TES _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _____________[...]

  • Page 19

    19 100585 NO TES _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _______________________________________________________________ _____________[...]

  • Page 20

    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. 100585-01 REV. D 04/97 Model Serial No. Date of Purchase 2701 Industrial Drive P.O. Box 90004 [...]