NATURAL GAS HEATER
OPERATING
HEATER
Continued
THERMOSTAT MODEL
FOR YOUR SAFETY
READ BEFORE
LIGHTING
WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result caus- ing property damage, personal injury or loss of life.
A.This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly.
B.BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
•Do not try to light any appliance.
•Do not touch any electric switch; do not use any phone in your building.
•Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
•If you cannot reach your gas sup- plier, call the fire department.
C.Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, don’t try to repair it, call a qualified service technician or gas supplier. Force or attempted repair may result in a fire or explosion.
D.Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas con- trol which has been under water.
LIGHTING
INSTRUCTIONS
1.STOP! Read the safety information, column 1.
2.Make sure equipment shutoff valve is fully open.
3.Push in control knob slightly and turn
clockwise 
to the OFF position (see Figure 18). Be sure that the tem- perature setting knob is set at the line between level 1 and level 7.
4.Wait five 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 in column 1. If you don’t smell gas, go to the next step.
5.Push in and turn control knob coun-
terclockwise 
to PILOT po- sition. Press in control knob for five
(5) seconds.
Note: You may be running this heater for the first time after hook- ing up to gas supply. If so, you may need to press in control knob for 30 seconds. This will allow air to bleed from the gas system.
6.Release downward pressure on con-
trol knob and turn clockwise 
to OFF position.
7.Press in control knob and turn coun-
terclockwise 
past IGN to PILOT (see Figure 18). This will cause the piezo ignitor to spark and light the pilot gas. Keep control knob depressed for 10 seconds before re- leasing. If needed, repeat steps 5 through 7 until pilot lights.
|
| PILOT |
6 |
| IGN |
5 |
| ON |
| 7 |
|
4 | 1 | OFF |
|
| |
3 | 2 |
|
Figure 18 - Dual Control for Thermostat Model FBS-10BB
Thermocouple | Ignitor Electrode | |
Pilot | ||
| ||
| Burner |
Figure 19 - Pilot
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 repairs are made, light pilot with match. To light pilot with match, see Manual Lighting Procedure, page 13.
8 . When pilot is lit, turn the ignition knob to ON position (see Figure 18).
9.To select desired heating level, turn the temperature setting knob coun-
terclockwise 
between 1 and 7 (see Figure 18).
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.
THERMOSTAT
CONTROL
OPERATION
The thermostatic control used on this model differs from standard thermo- stats. Standard thermostats simply turn on and off the burner. The thermostat used on this heater senses the room tem- perature. 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 temperature. The control knob can be set to any comfort level between 1 and 7.
Note: The thermostat sensing bulb mea- sures the temperature of air near the heater cabinet. This may not always agree with room temperature (depend- ing on housing construction, installation location, room size, open air tempera- tures, etc.) Frequent use of your heater will let you determine your own comfort levels.
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