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104820
INFRARED NATURAL GAS HEATER
®
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 ap-
pliance if service is to be performed.
Shutting Off Burner Only (pilot
stays lit)
Turn control knob clockwise to
the PILOT position.
CAUTION: Do not try to adjust
heating levels by using the equip-
ment shutoff valve.
OPERATING
HEATER
Continued
Ignitor Electrode
Pilot Burner
Thermocouple
Figure 16 - Pilot
IGNITOR
PILOT
LO
OFF
HI
LIGHTING
INSTRUCTIONS
Figure 15 - Control Knob In The OFF
Position
Control Knob
Ignitor Button
1. STOP! Read the safety information
on page 11, column 3.
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 in-
formation page 11, column 3. 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 15).
Note:
You may be running this
heater for the first time after hook-
ing up to gas supply. If so, the con-
trol knob may need to be pressed in
for 30 seconds. This will allow air to
bleed from the gas system.
• If control knob does not pop up
when released, contact a quali-
fied service person or gas sup-
plier for repairs.
6. With control knob pressed in, push
down and release ignitor button.
This will light pilot. The pilot is at-
tached to the front of burner. If
needed, keep pressing ignitor but-
ton until pilot lights.
Note:
If pilot does not stay lit, refer to
Troubleshooting, pages 14 through 16.
Also contact a qualified service person
or gas supplier for repairs. Until re-
pairs are made, light pilot with match.
To light pilot with match, see Manual
Lighting Procedure on page 13.
7. Keep control knob pressed in for 30
seconds after lighting pilot. After 30
seconds, release control knob.
Note:
If pilot goes out, repeat steps
3 through 7. This heater has a safety
interlock 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 HI
and LOW (see Figure 17).
THERMOSTAT
CONTROL
OPERATION
The thermostatic control used on these
models differs from standard thermostats.
Standard thermostats simply turn on and
off the burner. The thermostat used on
this heater senses the room temperature.
At times the room may exceed the set
temperature. If so, the burner will shut off.
The burner will cycle back on when room
temperature drops below the set tempera-
ture. The control knob can be set to any 2
comfort level between HI and LO.
Note:
The thermostat sensing bulb mea-
sures the temperature of air near the
heater cabinet. This may not always agree
with room temperature (depending on
housing construction, installation loca-
tion, room size, open air temperatures,
etc.) Frequent use of your heater will let
you determine your own comfort levels.
Figure 17 - Burner Patterns
OFF
HI
LO
PILOT
OFF
HI
LO
PILOT
Control Knob
VN1800TB
VN3000TB