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105568
BLUE FLAME NATURAL GAS HEATER
TO TURN OFF GAS
TO APPLIANCE
1. Remove front panel (see Figure 7,
page 8).
2. Follow steps 1 through 5 under Light-
ing Instructions .
3. With control knob pressed in, strike
match. Hold match to pilot until pi-
lot lights.
4. Keep control knob pressed in for 30
seconds after lighting pilot. After 30
seconds, release control knob. Follow
step 8 under Lighting Instructions,
column 2.
5. Replace front panel.
Shutting Off Heater
1. Turn control knob clockwise
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
Clockwise
to
the PILOT position.
THERMOSTAT
CONTROL
OPERATION
The thermostatic control used on these
models 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. The thermostat adjusts the
amount of gas flow to the burner. This
increases or decreases the burner flame
height. 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 heat level between HI and LO.
Selecting the HI setting will cause the
burner to remain fully on without modu-
lating down in most cases.
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.
MANUAL LIGHTING
PROCEDURE
PILOT
LO
OFF
HI
CAUTION: Do not try to adjust
heating levels by using the equip-
ment shutoff valve.
Figure 17 - Pilot
LIGHTING
INSTRUCTIONS
1. STOP! Read the safety information
column 3, page 11.
2. Make sure equipment shutoff valve
is fully open.
3. Turn control knob clockwise
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! Fol-
low “B” in the safety information in
column 1. If you don’t smell gas, go
to the next step.
5. Turn control knob counterclockwise
C-clockwise
to the PILOT position.
Press in control knob for five (5) sec-
onds (see Figure 16).
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 qualified
service person or gas supplier for
repairs.
6. With control knob pressed in, push
down and release ignitor button. This
will light pilot. The pilot is attached
to the front of burner. The pilot can
be seen through the glass panel. If
needed, keep pressing ignitor button
until pilot lights.
Figure 16 - Control Knob In The OFF
Position
Ignitor Button
Control Knob
Note:
If pilot does not stay lit, refer
to Troubleshooting, pages 15 through
17. 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.
7. Keep control knob pressed in for 30
seconds after lighting pilot. After 30
seconds, release control knob.
• If control knob does not pop up when
released, contact a qualified service
person or gas supplier for repairs.
Note:
If pilot goes out, repeat steps
3 through 7. Wait one (1) minute be-
fore lighting pilot again.
8. Turn control knob counterclockwise
C-clockwise
to desired heating level. The
main burner should light. Set control
knob to any heat level between HI
and LO.
Thermocouple
Ignitor Electrode
Pilot Burner
OPERATING
HEATER
Continued
THERMOSTAT MODELS
FAS-20BB AND FAS-30BB