Slimline LS
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CONTROLLER FUNCTIONS
Button/Symbol
Normal Functions
ON/OFF
• Press and hold the ON/OFF button for approximately 3 seconds to turn the unit on or off.
Note:
This does not disconnect power from the unit. In order for the power to be shut off from
the unit, the power cord must be unplugged from the power outlet.
• This button also serves as an escape button.
UP/
DOWN
• Use these buttons to scroll up or down a menu.
• Press and hold the UP ARROW button for approximately five seconds to manually start the
Anti-Frost Cycle. The Anti-Frost Cycle will begin, but only if the evaporator is below 40°F. If
the evaporator is above 40°F, the display will blink three times, signalling that an Anti-Frost
Cycle is not needed, and the unit will continue normal operation.
SET
Changing the Set Point
• Press and Release the set button.
• While “SEt” is displayed, press and release the set button again.
• While the current temperature setting is displayed, press the up or down arrows to change
set point.
• When the display shows the desired temperature setting, press and release the set button
again.
Accessing Alarm Codes
• Press and Release the set button.
• While “AL” is displayed, press and release the set button.
SNOWFLAKE
Steadily Illuminated: The unit is in cooling mode and the compressor is running.
Blinking: The unit is calling for cooling, but must wait five minutes before restarting the
compressor. This five-minute delay serves as an anti-short cycle for the compressors
protection.
DRIPPING SNOWFLAKE
The unit is running an Anti-Frost Cycle. The evaporator and condenser fans are running to
evaporate any frost which may have formed on the evaporator coil.
FAN
The evaporator and condenser fans are on.
ALARM
The alarm symbol is shown and an audible buzzer will sound when the unit encounters an issue
that needs attention. The displayed alarm codes are explained on the next page. To silence the
buzzer, press any button. The alarm code will remain displayed until corrected.
