28
11) Display
1. Operational and Mode Display
All the display patterns will display for a time when the power is on, the operation pattern will display in red under standby
status. When the unit is started by the remote controller, the indication pattern will light and display the current operation.
You can turn o the display by pressing the “Light” button on the remote controller.
2. Indoor Unit Display
Depending on the settings on the remote controller, the Indoor Unit LED display may display the current temperature
setpoint and indoor ambient temperature. “H1” will be displayed during the defrost cycle.
12)Drying Function (XFan)
e indoor fan will run for 10 minutes a er the unit is turned o (cooling or dry modes only) to ensure that additional
moisture is removed from the coil.
13)Power-O Memory Function
Upon a power failure the mode of operation, swing function, light, set temperature and fan speed will retain memory. e
unit will restart when recovering from a power interruption to the memory saved before the interruption occurred. If the
power interruption occurs during a timed mode, the time le will not be remembered and will start to recount from the
beginning. ere will be a 3 minute compressor delay before resuming.
14)Outdoor Compressor and Condenser Heating Band Control
Under normal conditions, the control logic of the Electric Heating Bands will be as follows:
1. Control of Compressor Electric Heating Band
a) Conditions for startup: e compressor is o and outdoor ambient <= 23 F
b) Conditions for turning o : Compressor operating, Compressor o and outdoor ambient >= 28 F
c) Band will turn o if the outdoor ambient temperature sensor has a malfunction.
2. Control of Condenser Electric Heating Band
a) Condenser Band will be on if the Outdoor Ambient <= 34 F
b) During defrost operation, the heater band will operate 3 minutes a er the compressor starts operating. When
the compressor has operated for 3 minutes and the outdoor ambient >= 38 F, the band will be de-energized.
c) Electric band will be de-energized when the outdoor ambient >= 38 F
d) When 34 F < outdoor Ambient < 38 F, the electric heater band will keep it’s previous status.
If the outdoor sensor has a malfunction, the Electric Heating Band will be de-energized. It will have a 2 minute delay be-
fore it can be started again.
System Operation 9,000/12,000 btuh Models, cont.
Other Controls
Product Introduction