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100416

PROPANE CONSTRUCTION HEATER

375,000 BTU/HR - A SERIES

WIRING DIAGRAMS

Green

Green

Solenoid

Valve

Motor

 On/Off 

Switch

Green

Power 

Cord

T

Blue

Blue

Black

White

DSI

Control

Orange  

Ignitor 

Thermal

  Switch  

Orange  

Terminal

Board

White

White

Black Black 

Blue

Connector  

Blue

Connector  

Blue

Black 

Figure 12 - Electrical Ladder Diagram

Figure 11 - Wiring Diagram

Green

Black

White

Thermal Switch

Motor

Line

Ground

Neutral

White

White

Orange

Orange

Black

Blue

Blue

Ignitor

Solenoid

Valve

Direct Spark

Ignitor

Centrifugal

Switch

Green

Green

Black

Blue

Summary of Contents for BLP375A

Page 1: ...OM HAZARDS OF FIRE EXPLOSION BURN ASPHYXIATION CARBON MONOXIDE POISONING AND OR ELECTRICAL SHOCK ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW THE IN STRUCTIONS SHOULD USE OR SERVICE THIS HEATER IF YOU N...

Page 2: ...heated We cannot foresee every use which may be madeofourheaters Checkwithyourlocal firesafetyauthorityifyouhavequestions about heater use Other standards govern the use of fuel gases and heat produc...

Page 3: ...Shell Hose Regulator Assembly 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 f...

Page 4: ...ir For Heating THEORY OF OPERATION The Fuel System The hose regulator assembly attaches to the propane gas sup ply The propane gas moves through the solenoid valve and out the nozzle The Air System Th...

Page 5: ...into a three prong grounded extension cord Exten sion cord must be at least six feet long Extension cord must be UL listed Extension Cord Size Requirement Upto50feetlong use18AWGratedcord 51 to 100 f...

Page 6: ...all leaks at once 3 Inspect hose regulator assembly before each use If hose is highly worn or cut replace 4 Have heater inspected yearly by a quali fied service agency 5 Keep inside of heater free fro...

Page 7: ...6 white wire to terminal board Note Attach to empty connector on white wire side of terminal board black wire to terminal board Note Attach to empty connector on black wire side of terminal board blue...

Page 8: ...ntrol Orange Ignitor Thermal Switch Orange Terminal Board White White Black Black Blue Connector Blue Connector Blue Black Figure 12 Electrical Ladder Diagram Figure 11 Wiring Diagram Green Black Whit...

Page 9: ...also visit DESA International s Technical Service web site at www desatech com TECHNICAL SERVICE SERVICE PUBLICATIONS YoucanreceiveanIllustratedPartsListfree of charge Send your request and a self add...

Page 10: ...PROPANE CONSTRUCTION HEATER 375 000 BTU HR A SERIES ILLUSTRATED PARTS BREAKDOWN BLP375A RLP375A Note Screws are standard hardware items 2 21 1 4 27 18 3 8 9 10 11 22 17 26 25 23 24 16 15 19 20 7 14 12...

Page 11: ...3 1 Strain Relief Bushing 1 13 099896 05 Cord Assembly 1 14 097809 01 Male Fitting 1 15 097828 01 Solenoid Bracket 1 16 098201 01 Solenoid Valve 1 17 100145 01 Fuel Tube 1 18 099679 01 Nozzle 1 19 M51...

Page 12: ...s Of Merchantability And Fitness For A Particular Purpose DESA International assumes no responsibility for indirect incidental or consequential damages Some states do not allow the exclusion or limita...

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