Unical MULTI KMCN 12HI, User Manual

Page: 39 / 56

-11-
4. INDOOR UNIT DISPLAY PANEL
LCD DISPLAY WINDOW
MANUAL button
This button is used to start Unit if remote controller is not available or its batteries
are exhausted.
This button is also used for testing the air conditioner in Cooling mode (see further
on, page 13).
TIMER LED
Lights up during Timer operation.
ALARM LED
The LED lights up alone, or together with other lamps, to indicate a malfunction
on the system. This malfunction causes the system’s stop.
DIGITAL DISPLAY TUBE
Displays Error Codes when there is a malfunction on the system.
DEF./FAN (DEFROST/PREHEATING) LED
• In Heating mode, if a layer of frost forms on the outdoor heat exchanger, defrosting
automatically starts and the LED lights up.
• The LED also lights up when indoor heat exchanger’s Preheating function is
activated. This occurs in Heating mode, in order to avoid the emission of air at
low temperature (prevention function anti-cold drafts).
OPERATION LED
This lamp illuminates when the air conditioner is in operation.
MANUAL OPERATION TIMER DEF./FAN ALARM
1
1
2
3
4
5
INFRARED SIGNAL RECEIVER
It permits to receive signals from remote controller.
6
7
4
2 3 5
6
7