OWNER’S MANUAL
OPERATING
HEATER
Continued
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.
1.Slightly press in plaque control knob on right side of heater and turn coun-
terclockwise 
C-clockwise
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.
Plaque
Control Knob VP1600ITB VP2200ITB
1
2
3 
4
1
2
3 
4
1
2
3
4
1
2
3 
4
Figure 19 - Burner Patterns
TO TURN OFF GAS
TO APPLIANCE
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
The thermostat measures the tempera- ture of air near the heater cabinet. This may not always agree with room tem- perature (depending on housing construc- tion, installation location, room size, open air temperatures, etc.). Frequent use of your heater will let you determine your own comfort levels.
MANUAL LIGHTING
PROCEDURE
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.
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