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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.

MODELS

BLP155AT

SBLP155AT

150,000 Btu/Hr with

Built-in Thermostat

PROPANE CONSTRUCTION
FORCED AIR HEATER

OWNER’S MANUAL

Save this manual for future reference.

Save this manual for future reference.

For more information, visit www.desatech.com

For more information, visit www.desatech.com

 

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

THEORY OF OPERATION ......................................................... 3

PROPANE SUPPLY .................................................................... 4

INSTALLATION ........................................................................... 4

VENTILATION ............................................................................. 5

OPERATION ............................................................................... 5

STORAGE ................................................................................... 5

MAINTENANCE .......................................................................... 5

SERVICE PROCEDURES .......................................................... 6

SPECIFICATIONS ...................................................................... 7

WIRING DIAGRAMS ................................................................... 7

ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST ......... 8

ACCESSORIES ........................................................................ 10

TECHNICAL SERVICE ............................................................. 10

REPLACEMENT PARTS .......................................................... 10

OWNER'S REGISTRATION ...................................................... 11

WARRANTY INFORMATION ...................................... Back Cover

Summary of Contents for BLP155AT

Page 1: ...N 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 I...

Page 2: ...um Gas ANSI NFPA 58 and the Propane Gas Installation Code CAN CGA B149 2 This instructs on the safe storage and handling of propane gases Use only the electrical voltage and frequency specified on model plate The electrical connections and grounding of the heater shall follow the National Electric Code ANSI NFPA 70 or the Canadian Electrical Code Part 1 Electrical grounding instructions This appli...

Page 3: ...e Fuel System The hose regulator assembly attaches to the propane gas supply The propane gas moves through the solenoid valve and out the nozzle TheAirSystem Themotorturnsthefan Thefanpushesairintoand around the combustion chamber This air is heated and provides a stream of clean hot air The Ignition System The direct spark ignitor DSI sends voltage to the spark plug ignitor The spark plug ignitor...

Page 4: ... needed to safely operate this heater Follow all local codes when using this heater WARNING Test all gas piping and connections for leaks after installing or servicing Never use an open flame to check for a leak Apply a mixture of liquid soap and water to all joints Bubbles forming show a leak Correct all leaks at once 1 Provide propane supply system see Propane Supply above 2 Connect POL fitting ...

Page 5: ...e safety control will lock out and no further automatic restarts will be attempted This could occur if air remains in fuel line If heater fails to start on this attempt turn ON OFF switch to OFF position Wait ten sec onds for safety control to reset then turn ON OFF switch back to ON position and try to start heater again 7 Thermostat Operation Only During normal thermostat op eration heater will ...

Page 6: ... Use 1 8 hex wrench to loosen setscrew which holds fan to motor shaft 3 Slip fan off motor shaft 4 Clean fan using soft cloth moistened with kerosene or solvent 5 Dry fan thoroughly 6 Replace fan on motor shaft Make sure setscrew is touching back of flat surface on motor shaft see Figure 8 7 Place setscrew on flat of shaft Tighten setscrew firmly 40 50 inch pounds 8 Replace fan guard andupper shel...

Page 7: ... Plug Gap Inches N A Ignitor Gap Inches 13 15 Weight Pounds Heater 27 Shipping 35 Size L x W x H Inches Carton 37 5 x 14 25 x 21 Heater 32 x 13 5 x 16 5 WIRING DIAGRAMS Electrical Connection Diagram Orange Green Automatic Ignition System G V VR ACR AC Position of Leads May Vary Blue Blue White White Black Blue Insulated Connector Solenoid Valve Black Motor Power Cord 120 VAC On Off Switch Black Hi...

Page 8: ...m ILLUSTRATED PARTS BREAKDOWN MODELS BLP155AT SBLP155AT 33 2 1 31 12 26 43 32 10 11 38 20 21 6 7 6 5 3 37 34 Note Screws are standard hardware items 28 7 15 46 27 8 14 36 29 39 4 8 13 25 23 16 42 30 20 35 22 24 18 19 41 44 45 9 40 20 17 47 48 ILLUSTRATED PARTS BREAKDOWN Models BLP155AT and SBLP155AT ...

Page 9: ...84 04 Hex Nut 4 40 Captive Washer 2 26 098511 129 Lower Shell Replacement Part Will Be Black 1 27 098447 03 Side Cover 1 28 098226 01 On Off Switch 1 29 097657 03 Built in Thermostat 1 30 104905 01 Thermostat Knob 1 PARTS LIST Models BLP155AT and SBLP155AT 31 M51104 01 Handle 1 32 M11084 29 Screw 10 16 x 3 4 2 33 097964 03AA Fan Guard 1 34 101206 01 Motor Relay Support Brkt Assy 1 35 M11143 1 Stra...

Page 10: ...ed dealers of this product If they can t supply original replacement part s either contact your nearest Parts Cen tral or call DESA Heating Products Technical Service Department at 1 866 672 6040 When calling DESA Heating Products have ready your name your address model and serial numbers of your heater how heater was malfunctioning purchase date In most cases we will ask you to return the part to...

Page 11: ...Dyna Glo Dura Heat Paulin Coleman Vogelzang American Other ___________________________________ 12 Who selected the product Male Female Both 13 Level of Education of Purchaser High School Vocation Technical School Some College Completed College Graduate School 14 Age of Purchaser Under 20 20 29 30 39 40 49 50 59 60 or Over 15 Buyer s total annual household income Under 19 999 20 000 to 34 999 35 00...

Page 12: ...2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 Postage Required TAPE TAPE ...

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Page 14: ...y for indirect incidental or consequential damages Some states do not allow the exclusion or limitation of incidental or consequential damages or limitations or exclusions may not apply to you This Limited Warranty gives you specific legal rights and you may also have other rights which vary from state to state KEEP THIS WARRANTY WARRANTY AND REPAIR SERVICE 103014 01 Rev L 08 03 We reserve the rig...

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