Desa VyS18NC - Manual (Page 18)

www.desatech.com 124452-01A 18
PILOT
OFF
LO
HI
1. STOP! Read the safety information in
column 1.
2. Make sure equipment shutoff valve is fully
open.
3. Press in and 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, page 17. If you
don’t smell gas, go to the next step.
5. Press in control knob and turn counterclock-
wise to the PILOT position. The
ignitor will spark once. Keep control knob
pressed in for 5 seconds. If control knob does
not pop up when released, contact a qualified
service person or gas supplier for repairs.
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.
6. Turn control knob clockwise to
OFF position. Press in control knob and
turn counterclockwise
to PILOT
position. This will light pilot. Pilot is at-
tached to rear of burner. If needed, repeat
this process until pilot lights.
Note: If pilot does not stay lit, 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.
Note: If pilot goes out, repeat steps 3
through 7.
• If control knob does not pop out when
released, contact a qualified service
person or gas supplier for repairs.
8. Slightly press and turn control knob coun-
terclockwise to desired heating
level. The burner should light. Set control
knob to HI or LO.
Figure 21 - Control Knob and Ignitor
Button Location
Control Knob
Figure 22 - Pilot
VARIABLE CONTROL
OPERATION
The variable control valve can be set to high
or low, by simply turning the control knob
until that setting is attained. Even the low-
est setting provides realistic, dancing yellow
flames. Selecting higher settings produces
greater heat output. This results in increased
heating comfort.
CAUTION: Do not try to ad-
just heating levels by using the
equipment shutoff valve.
TO TURN OFF GAS
TO APPLIANCE
1. Press in and turn control knob clockwise
to the OFF position.
2. Close equipment shutoff valve (see Figure
14, page 14).
MANUAL LIGHTING
PROCEDURE
1. Follow steps 1 through 5 under Lighting
Instructions, page 17.
2. Depress 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, page 17.
OPERATION
Continued
Ignitor Electrode
Pilot Burner
Thermocouple
WARNING: Do not operate
heater between PILOT and HIGH
positions.
9. To leave pilot lit and shut off burners only,
turn control knob clockwise to the
PILOT position.