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5
STEPS FOR STARTING
YOUR FURNACE
1. Set your room thermostat to the low-
est temperature setting. (See Fig. 6.)
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7
8
2.Close the external manual gas
valve. (See Fig. 7.)
3.Turn off electrical supply to the fur-
nace. (See Fig. 8.)
4.Remove the main furnace door.
(See Fig. 9.)
5.Gas valve will have EITHER a con-
trol switch or control knob to turn
OFF or ON. Turn control switch or
knob on the gas valve to the OFF
position and wait 5 minutes. (See
Fig. 10 or 11.) Then smell for gas,
including near the floor. If you
smell gas,
STOP!
Follow operating
instructions on main furnace door.
6.After waiting 5 minutes, turn con-
trol switch or knob on the gas valve
to the ON position.
(See Fig. 12 or 13.)
®
C
L
O
S
E
7.Replace main furnace door.
(See Fig. 14.)
8.Turn on electrical supply to the fur-
nace and wait 1 minute.
(See Fig. 15.)
9.Open the external manual gas
valve. (See Fig. 16.)
10.Set room thermostat to a tem-
perature slightly above room
temperature. This will auto-
matically signal the furnace to
start.
11.When the furnace receives the start
signal, the inducer is started. When
the pressure switch verifies that
there is sufficient combustion air, the
control energizes the hot surface
ignitor. After the hot surface ignitor
is heated for 17 sec, the gas valve
permits gas to flow to the main burn-
ers. After ignition and a time delay
of 60 sec, the furnace blower starts.
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11
12
13
NOTE:
If the burners fail to ignite after
4 attempts, the furnace control system
will lock out. If lockout occurs, main
burners fail to light, or blower does not
come on, shut down the furnace and
call your dealer for service.
F
F
O
ON
O
F
F
2
3
1
M
P
O
N
O
F
F
C
ON
OFF
OR
10
O
F
F
2
3
1
M
P
ON
O
F
F
C
ON
OFF
OR