Operating instructions (Cont’)
In 1 speed configuration:
Press the [Fan] button to turn Auto fan ON or OFF.
In 2 and 3 speeds configuration:
Press and hold the [Fan] button for 7 seconds to turn Auto fan ON or OFF.
When ON, the fan will run on demand for cooling or heating,
When OFF, the fan will run continuously.
Note: Auto fan cannot be selected in Fan only mode.
Turning Auto fan ON or OFF (fan on demand)
Auto fan
OFF
Auto fan
ON
Press the [Fan] button to switch between fan speeds.
Notes:
1. In Auto speed, the active fan speed icon will appear on display.
2. Medium speed available in 3 speeds configuration.
Selecting Fan speeds (for 2 and 3 fan speeds configuration)
Low
Medium
High
Auto
Press the [Mode] button to switch between system modes.
Notes:
1. During demand for cooling or heating, the active mode will flash.
2. In Auto mode, the active mode icon (Cool or Heat) will flash.
3. Auto mode is not available in 2-Pipe system configuration.
Selecting system mode
Cool
Heat
Auto
Fan only
Locking the thermostat buttons
Press and the [Mode] button for 7 seconds to lock or unlock the
thermostat buttons.
When locked, the lock icon will appear on display with any attempt to
press the buttons.
Enable or disable the option to lock different buttons using
technician parameters P04-P07.
Lock
indications
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