Theory Of Operation - Desa 80-CC Owner's Manual

SAFEty INFORMAtION
Continued
15. Check hose before each use of heater. If highly
worn or cut, replace with hose specified by
manufacturer before using heater.
16. Do not alter heater. Keep heater in its original
state.
17. Do not use heater if altered.
18. Locate heater on stable and level surface if
heater is hot or operating.
19. Not intended for use on finished floors.
20. Never block air inlet (bottom of shell) or air
outlet (around top of shell) of heater.
21. Do not leave heater unattended.
22. Keep children and animals away from
heater.
23. Always run heater with control knob at LO,
MED or HI settings. Never set control knob
between OFF, LO, MED or HI settings. Flash-
back may occur.
24. Never move, handle or service a hot or operat-
ing heater. Severe burns may result. You must
wait 15 minutes after turning heater off.
25. To prevent injury, wear gloves when handling
heater.
26. Never attach duct work to heater.
27. Turn off propane supply to heater when not
in use.
28. Use only original replacement parts. This
heater must use design-specific parts. Do
not substitute or use generic parts. Improper
replacement parts could cause serious or fatal
injuries.
uNPACkINg
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 from carton.
3. Check all items for shipping damage. If heater
is damaged, promptly inform dealer where you
bought heater.

tHEORy OF OPERAtION

The hose/regulator assembly
The Fuel System:
attaches to the propane gas supply. This provides
fuel to the heater.
The Ignition System:
the pilot.
The Automatic Control System:
the heater to shut down if the flame goes out.
116557-01C
The piezo ignitor lights
This system causes
www.desatech.com
PROduCt
IdENtIFICAtION
Ignitor
Button
Ball Valve
Control Knob
Safety Pilot Valve
Button
Figure 1 - 200,000 Btu Model Shown
VENtILAtION
WARNING: Provide at least
a 2.5 square foot (0.23 m
opening of fresh, outside air
while running heater. If proper
fresh, outside air ventilation is
not provided, carbon monoxide
poisoning can occur. Provide
proper fresh, outside air ventila-
tion before running heater.
Outer
Shell
Valve
Inlet
)
2
3