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10
Special Features
Auto Fan
When the auto fan mode is selected,
the fan speed will vary depending on
the temperature difference between the
temperature set-point and the room
temperature.
Temperature
Difference
Fan Speed
>3ºF
The fan operates on High
level
>1
ºF
The fan operates on Med
level
<-1
ºF
The fan operates on Low
level
Compressor Time Delay
A time delay of approximately three
minutes occurs any time the compressor
is required to begin the cooling cycle.
NOTE: The time delay occurs
automatically after a mode is selected
or a power event occurs to ensure
pressure in the compressor is equalized
appropriately, to prevent damage.
Power Interruption
In the event the power to the air
conditioner or controller is interrupted,
the system will restart automatically
with the last status and operational
parameter set-points once the power is
restored.
LCD Error Code
The following error code will be
displayed on the LCD when the system
detects one of the following faults has
occurred.
LCD Error Code
E1
Indoor temperature sensor out of
order. System will shut down.
E2
Evaporator temperature sensor out
of order. System will shut down.
E3
Loss of communication between the
thermostat and control box. System
will shut down.
E4
Condenser temperature sensor out
of order. System will shut down.
E5
Outdoor temperature sensor out of
order. System will shut down.
lo
Insufficient low level of +12V power
supply. System will shut down.
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