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22
OPERATION
Operation Modes
The Climate Pro 12 operates in three modes, COOL, HEAT, and FAN ONLY.
The unit is in standby mode if it is not operating in these modes.
• Standby Mode
When the unit is connected to power, the LED illuminates in orange color, and
the LCD displays date, time and the previous mode setting condition with blue
backlight that stays on for 60 seconds, then turns off. The backlight turns on
again if any button is pressed.
•Cool Mode
When the unit is in COOL mode operation, the compressor operates and cool
air is circulated. Once the room temperature reaches the set point temperature,
the unit operates in FAN ONLY mode. When switched from HEAT to COOL
mode operation, the unit initially operates in FAN ONLY mode.
Set point temperature range: 65 °F ~ 90 °F (18 °C ~ 32 °C)
•Heat Mode
When the unit is in HEAT mode operation, the compressor operates and hot air
is circulated. Once the room temperature reaches the set point temperature, the
unit stops. When switched from COOL to HEAT mode operation, the unit stops
until the compressor operates.
Set point temperature range: 55 °F ~ 80 °F (13 °C ~ 27 °C)
Note:
• When FAN mode is set to AUTO, the fan operates within 1 minute after the
compressor operates.
• When the ambient temperature falls outside the operating condition range,
the unit automatically stops and displays “OUTSIDE OPERATING RANGE”
on the control panel.
• When the ambient temperature is low, the unit automatically stops and starts
defrosting operation for maximum 15 minutes (“DEFROST” is displayed on
the control panel). The unit returns to heating operation after defrosting
operation is completed.
• Temperature Control
The room temperature thermistor monitors the inlet air temperature versus set
point temperature and automatically switches ON and OFF during cooling or
heating operation.
• Fan Mode Control
The fan mode control determines whether the fan continues to operate or stop
when the compressor stops during COOL or HEAT mode. The unit has been
preset at the factory for continuous fan operation in COOL and for fan AUTO
operation in HEAT mode. Fan mode can be changed on the control panel under
Menu.
• Temperature Scale Display
The unit has been preset at the factory to display the temperature in °F. The
temperature scale can be changed from °F to °C on the control panel under
Menu.
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