Filter
Top Products
www.desatech.com 113048-01C
16
OPERATING HEATER
Continued
Figure 22 - Pilot (actual pilot may vary)
Ignitor Electrode
Pilot Burner
Thermocouple
O
F
F
P
I
L
O
T
Figure 21 - Control Knob In The OFF
Position
Ignitor Button Control Knob
7. Keep control knob pressed in for 30 sec-
onds after lighting pilot. After 30 seconds,
release control knob.
• If control knob does not pop up when re-
leased, contact a qualified service person
or gas supplier for repairs.
Note:
If pilot goes out, repeat steps 3
through 7. This heater has a safety inter-
lock system. Wait one (1) minute before
lighting pilot again.
8. Turn control knob counterclockwise
to desired heating level. The main burner
should light. Set control knob to any heat
level between 1 and 5.
CAUTION: Do not try to ad-
just heating levels by using the
equipment shutoff valve.
THERMOSTAT CONTROLLED
MODELS
LIGHTING
INSTRUCTIONS
1. STOP! Read the safety information.
2. Make sure equipment shutoff valve is
fully open.
3. Turn control knob clockwise to the
OFF position.
4. Wait five (5) minutes to clear out any gas.
Then smell for gas, including near the floor.
If you smell gas, STOP! Follow “B” in the
safety information. If you don’t smell gas,
go to the next step.
5. Turn control knob counterclockwise
to the PILOT position. Press in control knob
for five (5) seconds (see Figure 21).
Note:
You may be running this heater for
the first time after hooking up to gas sup-
ply. If so, the control knob may need to be
pressed in for 30 seconds or more. This will
allow air to bleed from the gas system.
• If control knob does not pop up when re-
leased, contact a qualified service person
or gas supplier for repairs.
6. Keep thermostat control knob pressed in
while pushing down and releasing the igni-
tor button (see Figure 21). This will light
pilot. If necessary, continue to press igni-
tor button until pilot lights.
If pilot does not light
• turn thermostat control knob clockwise
Clockwise
to the OFF position
• repeat steps 5 and 6
If pilot does not stay lit after several tries
• refer to Troubleshooting, page 20.
• contact a qualified service person or gas
supplier
Until repairs are made, light pilot with
match. To light pilot with match, see
Manual Lighting Procedure, page 17.
TO TURN OFF GAS
TO APPLIANCE
Shutting Off Heater
1. Turn control knob clockwise to the
OFF position.
2. Turn off all electric power to the appliance
if service is to be performed.
Shutting Off Burner Only (pilot stays lit)
Turn control knob clockwise to the PI-
LOT position.