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104246
OWNER’S MANUAL
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1. Slightly press in plaque control knob
on right side of heater and turn coun-
terclockwise
C-clockwise
to the desired
position.
IMPORTANT:
Release downward
pressure while turning control knob.
Control knob will lock at the desired
position.
2. Turn thermostat control knob on left
side of heater to any setting between
LO and HI.
Note:
When burners
cycle on, or from LO to HI, a “click”
will be heard. When the burners
light, a “whoosh” noise will be heard.
TO SELECT HEATING
LEVEL
WARNING: When running
heater, set control knob at the 1,
2, 3, or 4 locked positions. Never
set control knob between locked
positions. Poor combustion and
higher levels of carbon monox-
ide may result.
CAUTION: Do not try to adjust
heating levels by using the equip-
ment shutoff valve.
Control
Knob VN1800ITB VN2550ITB
OPERATING
HEATER
Continued
Figure 18 - Burner Patterns
TO TURN OFF GAS
TO APPLIANCE
1. Follow steps 1 through 5 under Light-
ing Instructions, page 12.
2. With thermostat control knob
pressed in, strike match. Hold match
to pilot until pilot lights.
3. Keep thermostat control knob
pressed in for 30 seconds after light-
ing pilot. After 30 seconds, release
control knob. Follow step 8 under
Lighting Instructions, page 12.
Shutting Off Heater
1. Turn thermostat control knob clock-
wise
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 thermostat control knob clockwise
Clockwise
to the PILOT position.
THERMOSTAT
OPERATION
Since the thermostat measures the tem-
perature of air near the heater cabinet,
this may not always agree with room
temperature (depending on housing con-
struction, installation location, room size,
open air temperatures, etc.). Frequent
operation of your heater will enable you
to determine your own comfort levels.
MANUAL LIGHTING
PROCEDURE