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6
12.Set your thermostat to the temper-
ature that satisfies your comfort
requirements.
SUGGESTION: Setting the ther-
mostat back a few degrees and
compensating for the difference
with warmer clothing can make a
big difference in your fuel con-
sumption on extremely cold days.
The few degrees at the top of your
thermostat “comfort level” are the
most costly degrees to obtain.
When room temperature drops
below the temperature selected
on the thermostat, the furnace
will be switched on automatically.
When room temperature reaches
the degree selected on the thermo-
stat, the furnace will be switched
off automatically.
Some thermostats have a FAN
mode with 2 selections, AUTO
and ON. When thermostat is set
to AUTO, the furnace blower
cycles on and off, controlled by
the thermostat. In ON mode, the
furnace blower runs continu-
ously. This keeps the temperature
level in your home more evenly
balanced. It also continuously fil-
ters the indoor air.
14
15
16
SHUTTING DOWN
YOUR FURNACE
Should you need to shut down your
furnace for service or maintenance,
you will need to turn the furnace off.
17
18
The following procedures must be
followed:
1. Set your room thermostat to the
lowest temperature setting.
(See Fig. 17.)
2. Close the external manual gas
valve. (See Fig. 7.)
3. Turn off electrical supply to the
furnace. (See Fig. 18.)
4. Remove main furnace door.
(See Fig. 9.)
5. Turn control switch or knob on the
gas valve to OFF position.
(See Fig. 19 or 20.)
6. Replace main furnace door.
(See Fig. 14.)
7. If the furnace is being shut down
because of a malfunction, call
your dealer as soon as possible.
19
20
PERFORMING
ROUTINE
MAINTENANCE
With proper maintenance and care, your
furnace will operate economically and
dependably. Instructions for basic main-
tenance are found on this and the follow-
ing pages. However, before beginning
maintenance, follow these safety pre-
cautions:
O
P
E
N
®
CAUTION
Furnace is not to be installed,
operated, and then turned off
and left turned off in an unoc-
cupied structure during winter.
(See winterizing procedures in
maintenance section.)
WARNING
Turn off electrical power sup-
ply to your furnace before re-
moving the main furnace door
to service or perform mainte-
nance. Failure to follow this
warning could result in per-
sonal injury or death.
CAUTION
Although special care has
been taken to minimize sharp
edges, be extremely careful
when handling parts or reach-
ing into the furnace.
!
O
F
F
2
3
1
M
P
ON
O
F
F
C
ON
OFF
OR
F
F
O
!
!