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43
System Controls and Management (
cont.
)
Mechanical Control
Panel
Use the control panel to power on/off, select mode, select
fan speed, and adjust the set temperature.
Figure 41
Mechanical Control Panel
Fan Mode
Press the FAN button on the selector switch and allow
motor to reach maximum R.P.M. in the warm months. If
unit is in a warm area, this should be approximately 15
to 30 seconds. During cold months or in cold areas, this
could take up to nine seconds or more. This allows time
to warm up on HI speed.
Cooling Mode
Press HI COOL button, rotate thermostat counter-
clockwise until it stops. The indoor fan motor will run.
WARNING: IF OUTSIDE TEMpERATURE IS
bELOW 55 °F, DO NOT START THE COMpRESSOR
AT THIS TIME. WAIT UNTIL WARMER WEATHER
TO OpERATE COOLING.
If the outside temperature is above 55 °F, rotate the knob
clockwise. The compressor and condenser fan motor
will start. Cool air should be felt at the discharge open-
ings in a short period of time (approximately six to nine
seconds).
Firmly press LO COOL button. The indoor motor
should reduce speed without affecting compressor or
condenser motor speed.
Heat Mode
Push the HEAT button on the selection console and
establish the desired temperature setting on the thermo-
stat.
Heater Safety Feature:
When the heater is powered off, the fan
will automatically stay on and run for 60
seconds to ensure the removal of residual
heat.
