ProPane ConstruCtion ForCed air Heater
oWner’s ManuaL
VariaBLe 30-55,000, 50-85,000 and 75-125,000 Btu/Hr
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.
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
poisoning and/or electrical shock.
Only persons who can understand and follow the in-
structions should use or service this heater.
If you need assistance or heater information such as an in-
structions manual, labels, etc. Contact the manufacturer.
save this manual for future reference.
For more information, visit www.desatech.com
taBLe oF Contents
Safety .................................................................. 2
Product Identification
........................................... 3
Unpacking............................................................ 3
Theory of Operation............................................. 4
Propane Supply ................................................... 4
Installation ........................................................... 5
Ventilation ............................................................ 5
Operation ............................................................. 6
Storage ................................................................ 6
Maintenance ........................................................ 7
Troubleshooting ................................................... 7
Service Procedures ............................................. 8
Specifications
.................................................... 10
Wiring Diagram .................................................. 10
Replacement Parts .............................................11
Technical Service................................................11
Parts .................................................................. 12
Warranty ............................................................ 18