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OWNER INFORMATION
OPERATING INSTRUCTIONS
To Turn On Air Conditioner
If you have a heating/cooling thermostat:
1. Set the system switch to "Cool".
2. Set the thermostat at the temperature level
you desire.
3. Turn the power on. Your air conditioner
should start as soon as room temperature
rises above the setting on the thermostat.
If you have one thermostat for heating and
another for cooling, they must be inter-
locked to prevent simultaneous operation:
1. Turn the heating thermostat to its lowest
possible setting.
2. If the cooling thermostat has an "On/Off"
switch, turn it "On."
3. Set the cooling thermostat to the desired
temperature.
4. Turn the power on. Your air conditioner
should start when room temperature ex-
ceeds the thermostat setting.
To Shut Off Air Conditioner
If you have a heating/cooling thermostat:
1. Turn the system switch to "Heat" or "Off".
2. Turn the thermostat to the desired heating
temperature setting.
3. If you are turning your air conditioner off for
the winter or an extended period, shut off the
power to the air conditioner.
If you have one thermostat for heating and
another for cooling, they must be inter-
locked to prevent simultaneous operation:
1. Turn your cooling thermostat "Off" or to its
highest setting.
2. Turn the heating thermostat to the desired
temperature.
3. If you are turning your air conditioner off for
the winter or an extended period, shut off the
power to the air conditioner.
BEFORE YOU CALL A SERVICEMAN
Let your serviceman check your system at the
start of each air conditioning season. He will
2
make sure it's working right, clean or change
filters and make any needed adjustments.
Otherwise, follow these simple rules:
1. Never run your system without filter. If you
do, the cooling coils will get dirty and may
become clogged.
2. Set your thermostat at the comfort level you
wish – and then leave it alone. Let it control
the operation of the air conditioning system.
If you get chilly, turn it up a degree at a time
until comfort is restored.
3. It takes longer for an air conditioner to cool
your dwelling than it does for your furnace to
heat it. So. . . don't turn the unit on and expect
a dramatic drop in temperature, at least not
right away. If your home is hot and humid, the
temperature will drop slowly.
4. Check your filters every ten days in summer
to see if they are dirty. To keep them clean,
use a mild solution of detergent and water on
washable types. Replace non washable fil-
ters.
5. Keep your condenser coil clean. You can
hose it down when it gets dirty.
If your air conditioner isn't working:
1. Make sure the fuses are not blown or that
your circuit breakers are on.
2. See that your thermostat is set at the desired
temperature and that your system's switch is
on "Cool".
3. For free air flow, make sure your return
register is not covered and that the filter is
clean.
Cooling
Thermostat
R
Double Throw
Double Pole Switch
To Air Conditioner
Figure 1. Thermostat Interlock System
Furance
Thermostat
R
To Furance
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