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103568
VENT-FREE NATURAL GAS HEATERS
BLUE-FLAME CGN20, CGN20L AND RN30D
Thermocouple
Ignitor Electrode
Pilot Burner
OPERATING HEATER
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 ex-
actly.
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 build-
ing.
• 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 control which has been un-
der water.
LIGHTING
INSTRUCTIONS
1. STOP! Read the safety information
above.
2. Make sure manual shutoff valve is
fully open.
Figure 15 - Control Knob In The OFF
Position
OFF
HIGH
PILOT
LOW
IGNITOR
Ignitor Button
Control Knob
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 at left. If you don’t smell
gas, go to the next step.
5. Press in control knob and turn coun-
terclockwise to the PILOT
position. Keep control knob pressed
in 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 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 burner
and pilot are located behind the heat
shield. If needed, keep pressing igni-
tor button until pilot lights.
Note:
If pilot does not stay lit, refer
to Troubleshooting, pages 12-14. 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.
Note:
If pilot goes out, repeat steps
3 through 7.
8. Turn control knob counterclockwise
to the LOW position. The
main burner should light. Set control
knob to any heat level between HIGH
and LOW. To turn control knob from
LOW to a higher setting, press in the
control knob and turn counterclock-
wise .
Note:
Both HIGH and LOW are
locked positions. You must press in
control knob before turning it from
these positions.
CAUTION: Do not try to ad-
just heating levels by using the
manual shutoff valve.
Figure 16 - Pilot
TO TURN OFF GAS
TO APPLIANCE
Shutting Off Heater
1. Turn control knob clockwise
to the PILOT position.
2. Press in control knob and turn clock-
wise to the OFF position.
3. Turn off all electric power to the ap-
pliance if service is to be performed.
Shutting Off Burner Only (pilot
stays lit)
1. Turn control knob clockwise
to the PILOT position.
1. Remove front panel (see Figure 5,
page 7).
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.
5. Replace front panel.
MANUAL LIGHTING
PROCEDURE
3. Turn control knob clockwise
to the OFF position.