GI-44
DUAL, TRIPLE, POKER DC Inverter : 1. General Informationi
Multi Liberty
DC Inverter
• Outline of Display Panel on Multi Liberty Floor/Ceiling type Indoor Units (HSFU X)
OPERATION LED
When Indoor Unit is powered, this indicator starts flashing. The LED lights up when Indoor Unit is
operating.
TIMER LED
This indicator lights up when TIMER function is selected (automatic start and/or stop of the air
conditioner).
DEF./FAN LED (Defrosting/Preheating)
MANUAL button (Emergency/Test)
IR receiver window
It allows to receive the signals sent by IR remote controller.
1
2
3
4
5
6
MANUAL
ALARM
DEF./FAN
TIMER
OPERATION
1
3
4
5
6
2
ALARM LED
This LED flashes to indicate that a malfunction has occurred on the system. To identify the kind of
malfunction, please check the Error/Protection Codes shown by 2-digit LED display on Outdoor Unit’s PCB.
Normal operation of air conditioner can be restored as soon as malfunction is solved.
If control electronics detects the conditions required for start of Automatic Defrosting (see Section “CF:
Control Functions”, of this Service Manual), defrosting automatically starts and this 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 (anti-cold drafts prevention
function).
To start the air conditioner in Automatic mode when the remote controller is not available, and to start
the Test mode in Cooling operation.
