![background image](http://html1.mh-extra.com/html/desa/vul18nr/vul18nr_owners-operation-and-installation-manual_2485676023.webp)
www.desatech.com
119426-01F
23
5. 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, page 22. If you
don’t smell gas, go to the next step.
6. Press in and turn control knob coun-
terclockwise
to the PILOT posi-
tion. Press in control knob for five (5)
seconds (see Figure 32).
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 less. This will allow air to bleed from
the gas system.
7. With control knob pressed in, press
and release ignitor button. This will
light pilot. The pilot is attached to the
front burner. If needed, keep pressing
ignitor button until pilot lights.
Note:
If pilot does not stay lit, contact
a qualified service person or gas sup-
plier for repairs. Until repairs are made,
light pilot with match. To light pilot with
match, see
Manual Lighting Procedure
,
page 24.
8. Keep control knob pressed in for 30
seconds 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 4
through 8, page 22 and above.
9. Slightly push in and turn control knob
counterclockwise
to the ON
position.
10. Wait one minute and switch selec-
tor switch to the ON position to light
burners. Note: AUTO is only functional
when using GWMT1 or GWMS2 optional
accessories.
OPERATING HEATER
Continued
11. Set flame adjustment knob to any level
between HI and LO.
12. You may shut off the burners and
keep the pilot lit by doing one of the
following:
a. Turn control knob clockwise
to the PILOT position.
b. Use remote control manual OFF
button.
CAUTION: Do not try to ad-
just heating levels by using the
equipment shutoff valve.
WARNING: Make sure the
selector switch is in the OFF
position when you are away from
home for long periods of time.
Heater will come on automati-
cally with selector switch in the
ON position.
O
F
F
LO
IH
ON
OFF
REMOTE
PIL
OT
O
N
Figure 32- Control Knob and Ignitor
Button Location
Control Knob
Ignitor
Button
Selector Switch
in OFF Position
Flame
Adjustment
Knob
TO TURN OFF GAS
TO APPLIANCE
Shutting Off Heater
1. Turn control knob clockwise
to the
OFF position.
2a. Set selector switch in the OFF position.
2b.
If Using Optional Hand-Held Remote:
Set selector switch in the OFF position to
prevent draining battery.
3. Close equipment shutoff valve (see Figure
17, page 16).
Figure 33 - Pilot (Propane/LP)
Ignitor
Electrode
Pilot
Burner
Figure 34 - Pilot (Natural)
Ignitor
Electrode
Pilot Burner