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112396-01A
5
OPERATION
Continued
Burner
Tube
Primary Air
Openings
Figure 4 - Bottom View of Heater
button. Keep pushing piezo ignitor button until
the burner lights. Hold control knob down for a
maximum of 10 seconds while attempting igni-
tion. If heater does not light, release control knob
and wait 30 seconds. Repeat step 5 to start heater.
Note:
Keep hands and face away from outlet
(around top of shell) of heater while attempting
to start heater. After ignition, hold control knob
down for approximately 30 seconds. This acti-
vates the automatic control system.
6. If burner will not light after repeated tries, do not
attempt to repair heater. Return heater to nearest
authorized service center or call DESA Heating
Products' Technical Service at 1-866-672-6040.
7. When burner remains lit, you can turn the heater
regulator knob clockwise to the desired heat
setting. If burner goes out, turn off gas. Check
fuel supply. If fuel supply is OK, restart heater.
TO STOP HEATER
1. Tightly close propane supply valve on propane
tanks by turning clockwise. Wait 15 minutes
for the heater to cool before handling heater.
2. Always remove the gas supply hose from the
heater and the propane tank after each use.
TO RESTART HEATER
1. Wait five minutes after stopping heater.
2. Repeat steps under To Start Heater, page 4.
STORAGE
CAUTION: Disconnect heater
from propane supply tank(s).
1. Do not store heater while attached to propane
tank. Remove the gas supply hose from the pro-
pane tank by turning the fuel gas connector nut
clockwise.
2. Store propane tank(s) in safe manner. Refer to
Chapter 5 of Standard for Storage and Han-
dling of Liquified Petroleum Gases, ANSI/NFPA
58 and/or CAN/CGA B149.2. Follow all local
codes. Always store propane tanks outdoors.
Never store propane tank in an enclosed area.
3. Place plastic cover caps over brass fittings on
inlet connector and hose/regulator assembly.
4. Store in a dry, clean, and safe place.
MAINTENANCE
WARNING: Never attempt to
service heater while it is con-
nected to propane supply, oper-
ating, or hot. Severe burns can
occur.
1. Keep heater clean.
2. Inspect heater before each use. Check connec-
tions for leaks. Apply mixture of liquid soap
and water to connections. Bubbles forming
show a leak that must be corrected. Correct 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 qualified ser-
vice person.
INSPECTING BURNER
WARNING: Heater shell, top,
and heated air from heater is
very hot during operation.
Gradually move in closer to
heater to observe flame color.
Do not touch heater shell or top.
Do not get too close to heated
air from heater. Severe burns
could occur.
To check for correct burner flame, look through
the ventilation holes in the top of the heater to see
the burner flame. The burner flame should be
mostly blue with slight yellow coloring on the
ends. If the burner flame is mostly yellow, the pri-
mary air openings on the burner tube under the
heater base may be blocked (see Figure 4).
1. Stop heater (see To Stop Heater) and let cool.
2. Turn heater over to locate the primary air open-
ings on the burner tube (see Figure 4). Remove
any debris blocking the primary air openings.