8
Operation
After powering on the controller, wait 30 seconds for initialization The indoor unit cannot
be controlled by the controller until initialization is complete.
Start/Stop Operation
Press the power button.
• Controller ON: LED display lit.
• Controller OFF: LED display not lit.
Set Operation Mode
Press the Mode button to scroll through the mode selections.
• Cool – System operates in cooling mode.
• Heat – System operates in heating mode.
• Auto -- System operates in auto mode.
• Dry -- System operates in dehumidifi cation mode.
NOTE -
fan speed cannot be ad-
justed during dry mode.
• Fan – Fan only, no heating or cooling.
To set (or change) the room temperature setting (setpoint)
Press the up-arrow & down-arrow buttons to adjust the setpoint.
When in Auto mode, separate heating and cooling setpoints can be set. Press the Mode
button to switch between heating and cooling setpoints.
NOTE -
Indoor units connected to a local controller may also be controlled by a central-
ized controller. Indoor units respond to the last command sent. It is recommended that
indoor units be controlled from a single source of control, either local controller or central-
ized controller but not both, to avoid con
fl
icts in commands.
