Trane LCD Control Series Owners & Installation Manual page 15

Note:
• ECONO mode operates only in COOL mode and
automatically operates when air-conditioner is closed
without exiting or canceling ECONO mode.
• Fan speed can not be changed while ECONO mode
is selected.
• In case of changing operation mode, ECONO mode
will be automatically cancelled.
DIM Function
DIM function offers you to dim or restore the brightness of
the display panel.
- Touch and hold both
to dim the brightness of the display panel.
- Touch and hold both
again to restore the brightness of the display panel
to default setting.
Note:
• Whenever adjusting any parameter, after activating
DIM function, the brightness of the display panel will
be restored to default setting for 5 seconds and
returned to dim setting.
• In case of power failure or switching off breaker, DIM
function will be automatically restored to default setting
for 15 seconds and returned to DIM setting.
• Whenever error code displays, DIM function will be
automatically restored to default setting.
• If there is no any button pressed for 3 minutes, the
display panel will be standby.
• During standby, press any button to activate the
display panel.
O O
C/ F Toggle
The optional feature offers you to change the temperature
O O
display from C to F or from
- Press and hold button for 8 seconds to change
temperature display.
ACYSTAT-IOM-EN
Display Unit and Receiver Board
Touch Wired Control
and button for 2-3 seconds
and button or 2-3 seconds
O O
F to C.
System Features
1. Watchdog
There is a circuit in the system to watch the operation
of the microprocessor.
2. Compressor Delay Protection*
There is a time delay for restarting the compressor.
3. Compressor Minimum on Time*
Once the compressor starts, it will operate at least
24 seconds.
4. Non-Volatile Memory (Auto Restart)
If there is a power interruption or failure and back
to normal, the control will automatically resume its
operation with the same setting parameters except
those related to time.
5. Pre-heat/Post-heat (Heat Mode)
This feature prevents the fan coil blowing cold draught
when the indoor coil temperature is low.
6. Freeze Function
To prevent the indoor coil freezing, this feature will
stop compressor when the indoor coil temperature is
below 0 O C.
7. Defrost Function
This feature will protect the system operating in heat
mode under very low ambient temperature.
Error Code & Display
Note: *These features are not available for chilled water control.
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