Desa H18N Owner's Operation And Installation Manual page 21

5. Slightly press and turn control knob coun-
terclockwise
Keep control knob pressed in for five (5)
seconds (see Figure 30).
Note: You may be running this heater
for the first time after hooking up to gas
supply. 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.
6. With control knob pressed in, press and
release ignitor button. This will light pilot.
The pilot is attached to the burner. If
needed, keep pressing ignitor button until
pilot lights.
Note: If pilot does not light, contact a
qualified service person or gas supplier
for repairs. Until repairs are made, light
pilot with match. To light pilot with match,
see Manual Lighting Procedure.
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 out when
released, contact a qualified service
person or gas supplier for repairs.
Note: If pilot goes out, repeat steps 3
through 7.
8. Slightly press and turn control knob coun-
terclockwise
burner should light. Set control knob to
any heat level between HI and LO.
9. To leave pilot lit and shut off burners only,
turn control knob clockwise
HI position then press in and turn clock-
wise to PILOT position.
CAUTION: Do not try to ad-
just heating levels by using the
equipment shutoff valve.
Ignitor Button
Figure 30 - Control Knob and Ignitor
Button Location
110399-01J
OPERATION
Continued
MANUALLy-CONTROLLED MODELS
to the PILOT position.
to the HI position. The
to the
Control Knob
www.desatech.com
Ignitor Electrode
Thermocouple
(Note: Appearance of pilot
assembly may vary by model.)
Figure 31 - Pilot
VARIABLE CONTROL
OPERATION
The variable control valve can be set to any
heat setting and flame height desired, by sim-
ply turning the control knob until that setting
is attained. Even the lowest setting provides
realistic, dancing yellow flames. Selecting
higher settings produces greater heat output.
This results in increased heating comfort.
WARNING: Do not operate
heater between pilot and HI
positions.
CAUTION: Do not try to ad-
just heating levels by using the
equipment shutoff valve.
TO TURN GAS OFF
TO APPLIANCE
1. Press in and turn control knob clockwise
to the HI position.
2. Turn the control knob clockwise
the PILOT position.
3. Press in control knob and turn clockwise
to the OFF position.
4. Close equipment shutoff valve (see Figure
18, page 16).
MANUAL LIGHTING
PROCEDURE
1. Follow steps 1 through 5 under Lighting
Instructions, page 20.
2. Press control knob and light pilot with
match.
3. Keep control knob pressed in for 30 sec-
onds after lighting pilot. After 30 seconds,
release control knob. Now follow step 8
under Lighting Instructions, column 1.
Pilot
Burner
to
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