Page 4
506299-01
Issue 0912
Temperature Control
There are many types and styles of thermostats. Yours
may look different from the one shown in Figure 2. How-
ever, almost all thermostats perform the same basic
functions described in the following section.
Thermostat
Figure 2
FAN
ON
A
U
T
O
Fan Switch
Selector Switch
Cooling
&
Heating
Temperature
Setting
Room
Temperature
50
60
80
70
60
50
70
80
Thermostat Operation
There are two switches located on the thermostat (see
Figure 2). One switch controls the heating and cooling
functions. The other switch is for “FAN” operation, either
continuous or automatic. On the thermostat is the
temperature range for the heating temperature and the
cooling temperature desired.
To put the system into operation, push the switch to either
“HEAT” or “COOL” position. After choosing the type of
operation, move the thermostat dial or lever to select the
temperature you would like the system to maintain.
Fan Operation
You may wish to increase your comfort by setting your
system for continuous air circulation of the indoor air. The
fan switch on the thermostat permits you to do this.
With the switch in the “ON” position the fan will operate
continuously. “AUTO” position gives fan operation only
when the unit is in either heating or cooling.
Unit Operation
If your unit is operating but fails to provide complete
comfort, check the following before calling for service:
1.
Be sure the thermostat setting is correct.
2.
Check to see if the filter is clean.
3.
Be sure air can circulate freely throughout your home.
Do not block supply registers or return grilles with
furniture or rugs.
4.
Keep surface of the outdoor coil free from dirt, lint,
paper, or leaves.
If your unit fails to operate, check the following:
1.
Be sure the main switch that supplies power to the
unit is in the “ON” position.
2.
Replace any burned-out fuses or reset circuit breakers.
3.
Be sure the thermostat is properly set.
If the unit still does not start, call a qualified service technician.
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