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Boss DF Construction Heaters
Heater Specifi cations .................................................................................................... 4
General Information ...................................................................................................... 5
Safety Precautions ....................................................................................................... 6
Storage Instructions .................................................................................................... 10
Installation Instructions ............................................................................................... 11
-- General ......................................................................................................... 11
-- Connecting the Electrical Supply................................................................... 14
Start-Up ...................................................................................................................... 14
Shut-Down .................................................................................................................. 15
Ventilation Feature ...................................................................................................... 15
Fuel Selector Valve ..................................................................................................... 15
Cleaning Instructions .................................................................................................. 15
Maintenance Instructions ............................................................................................ 16
Service Instructions .................................................................................................... 17
General ............................................................................................................. 17
A. Ignition Control ................................................................................... 18
C. Relay .................................................................................................. 19
D. Selector Switch .................................................................................. 20
E. Circuit Breaker .................................................................................... 20
F. Voltage Meter ...................................................................................... 20
G. Red Status Light ................................................................................ 20
H. Thermostat ....................................................................................... 20
Motor and Fan .................................................................................................. 21
Igniter ................................................................................................................ 21
Ignition Cable .................................................................................................... 21
Checking Gas Pressures .................................................................................. 22
Troubleshooting Information ....................................................................................... 23
Parts Identifi cation
Parts Schematic................................................................................................ 30
Parts list ............................................................................................................ 31
Warranty Policy........................................................................................................... 32
Replacement Parts and Service ................................................................................. 32
Standard products are manufactured to operate at optimum effi ciency at elevations
between 0 and 2000 ft. (0-610m) above sea level.
If operated at higher elevations the product will not function correctly and may
function in an unsafe nature.
Products providing proper operation for alternate elevations may be available.
If you require a high elevation product, did not specify when ordering, and/or the
box this unit came in does not have an alternate altitude designation sticker please
contact technical support.
Owner's Manual • Boss DF
TABLE OF CONTENTS
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