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PROPANE

CONSTRUCTION

HEATER

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 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.

Models: RLP50V, BLP50V, and REM50PV

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.

®

Summary of Contents for BLP50V

Page 1: ...ATION 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 Models RLP50V BLP50V and REM50PV IMPORTANT Readandunderstandthismanualbeforeassembling starting orservicingheater Improper use of heater ...

Page 2: ...hock hazard and should be plugged directly into a properly grounded three prong receptacle Use only a three prong grounded exten sion cord Use only the hose and factory preset regulator provided with the heater Use only propane gas set up for vapor withdrawal Provide adequate ventilation Before us ing heater provide at least a 1 5 square foot opening of fresh outside air This heater produces carbo...

Page 3: ...withdrawal supply system See Chapter 5 of the Standard for Storage and Handling of Liquefied Petroleum Gas ANSI NFPA 58 and or CAN CGA B149 2 Your local li braryorfiredepartmentwillhavethisbook let The amount of propane gas ready for use from propane tanks varies Two factors de cide this amount 1 The amount of propane gas in tank s 2 The temperature of tank s This heater is designed to operate wit...

Page 4: ...quidsoapandwatertoalljoints Bubbles forming show a leak Correct all leaks at once Knob THEORY OF OPERATION Combustion Chamber The Fuel System The hose regulator assembly attaches to the propane gas sup ply 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 The Ig...

Page 5: ...hts keep auto matic control valve knob pushed in Release button after 30 seconds Note If main burner fails to light hose may have air in it If so keep control knob pressed and wait 20 seconds Re lease control knob and wait 20 seconds for unburned fuel to exit heater Repeat step 4 7 If main burner goes out repeat step 4 8 When main burner remains lit rotate control knob to the desired heat level WA...

Page 6: ...nitor electrode 1 High surrounding air temperature caus ing thermal limit device to shut down heater 2 Restricted air flow 3 Damaged fan 4 Excessive dust or debris in surrounding area OBSERVED FAULT Fan does not turn when heater is plugged in Heater will not ignite Heater shuts down while running WARNING Never service heater while it is plugged in connected to propane supply operating or hot Sever...

Page 7: ...hing fan guard to motor you must position power cord as shown in Figure 9 Tighten nuts firmly 8 Place fan onto motor shaft of new mo tor 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 9 Place motor and fan guard into rear of heater shell Make sure power cord is properly located see Figure ...

Page 8: ...aft Figure 11 Removing Motor and Fan Guard from Heater Figure 13 Replacing Motor and Fan Guard into Heater Fan 1 Remove three screws that attach fan guard to heater shell 2 Remove motor and fan guard from heater shell see Figure 11 3 Use pliers to remove the fan nut from front of motor shaft see Figure 12 4a If replacing fan remove old fan and discard Go to step 7 below 4b If cleaning fan remove f...

Page 9: ...ll ask you to return the defective part to the factory Parts Not Under Warranty Contact authorized dealers of this product If they can t supply original replacement part s either contact your nearest Parts Central or call DESA International s Parts Department at 1 800 972 7879 for referral information When calling DESA International have ready model number of your heater the replacement part numbe...

Page 10: ... 103868 PROPANE CONSTRUCTION HEATER 50 000 BTU HR 1 2 3 2 4 6 7 9 11 21 22 23 24 25 19 20 21 5 10 27 16 12 13 14 15 Fan Nut Fan Rubber Washer Motor Motor Assembly 17 26 18 26 8 ILLUSTRATED PARTS BREAKDOWN ...

Page 11: ...n 1 13 103864 01 Motor Assembly Includes Rubber Washer and Fan Nut 1 14 099540 01 Fan Guard 1 15 097384 02 Captive Washer Nut 3 16 097968 05 Hex Screw 4 40 x 1 2 2 17 NPC 00C Hex Nut 4 40 2 18 101481 05 Thermal Switch Kit 1 19 097776 01 Universal Bushing 1 20 099542 01 Wire Clip 1 21 103919 01 Thermocouple Kit 1 22 103921 01 Valve Orifice Assembly 1 23 102445 01 Piezo Ignitor 1 24 078978 03 Sleeve...

Page 12: ...e is the responsibility of the owner THIS EXPRESS WARRANTY IS GIVEN IN LIEU OF ANY OTHER WARRANTY EITHER EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PUR POSE DESA International assumes no responsibility for indirect incidental or consequential damages Some states do not allow the exclusion or limitation of incidental or consequential damages or limitat...

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