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035-16329-002 Rev. B (0304)
WHAT TO DO IF YOU SMELL
GAS:
DOnot tryto lightany appli-
ance.
Do not touch any electric
switch and do not use any
phone in your building.
Immediately call your gas sup-
plier from a neighbor's phone.
Follow the gas supplier's
instructions. If you cannot
reach your gas supplier, call
the fire department.
4. Use only your hand to move
the gas control lever or switch.
Never use tools. If the lever or
switch will not move by hand,
don't try to repair it. Call a qual-
ifiedservice technician. Force
or attempted repair may result
in a fire or explosion.
5. Do not use this furnace if any
part has been under water.
Immediately call a qualified
service technician to inspect
the furnace and to replace any
part of the controlsystem and
any gas controlwhich has
been underwater.
INSTRUCTIONS FOR
STANDING PILOT
MODELS
LIGHTING INSTRUCTIONS
1. STOP! Read the Safety Infor-
mation.
2. Set the thermostat to the low-
est setting.
3. Turn off all electrical powerto
the appliance.
4. Remove the furnace doors.
5. Push in the gas controllever
slightlyand move rightto
"OFF". DO NOT FORCE.
6. Wait ten (10) minutes to clear
out any gas. Then smell for
gas, including near the floor. If
you smell gas, STOP! Follow
Step 3 in the Safety Informa-
tion above. If you don't smell
gas, go to the next step.
7. Open hinged observation door,
the pilot is found at the end of
the pilot shield on the left side
of the burner.
8. Slightly depress the gas control
lever and move itto the left to
the "ON" position and release;
then move it to the "PILOT"
position.
9. Move the control lever to "SET"
and hold. Immediately light the
pilot with a match (use match
holder provided). Continue to
hold the control lever for about
one (1) minute after the pilot is
lit. Release the lever and it will
spring back to the =PILOT"
position. Pilot should remain lit.
If it goes out, repeat steps 5
through 9 above.
If the lever does not spdng
back when released, stop and
immediately call your service
technician or gas supplier.
If the pilot will not stay lit after
several tdes, move the gas
control lever to =OFF"and call
your service technician or gas
supplier.
10. Move the gas control lever to
"ON".
11. Replace the furnace doors.
12. Turn on all electric power to the
furnace. Set the thermostat to
"HEAT" and/or the desired tem-
perature setting. Set the ON-
OFF-FAN switch to =ON".
In the event of any flashback or
explosion, immediately shut off
the furnace and call your service
technician.
To Turn off Gas to Appliance
1. Set thethermostat tothe low-
est setting.
2. Turn offall electdcpowerto the
appliance ifservice isto be
performed.
3. Remove the furnace doors.
4. Move gas control switch to
=OFF"position. DO NOT
FORCE.
5. Replace the furnace doors.
GAS CONTROL LEVER
PRESSURE
REGULATING
DEVICE
FIGURE I:STANDING PILOT
GAS VALVE
SEQUENCE OF
OPERATION
1. On a call for heat, the thermo-
statcontactsclose, supplying
24 VAC to the gas valve.
2. When the gas valve is ener-
gized it initially opens at a
reduced flow and opens fully
after approximately 30 sec-
onds.
3. About 1-2 minutes after the
burner lights, the furnace air
circulation blower will come on.
4. When the cell for heat is satis-
fied the thermostatcontacts
open, the gas valve shutsoff
gas flow.
5. After the burnershutsoff,the
air circulationblowerwillcon-
tinue to run for 2-4 minutes,
until the furnace has cooled.
Unitary Products Group 3
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