Interconnecting Wiring
L1
L2
L3
N
PE
INDOOR UNIT
C1
L1
N1
N
PE
PE
833
833
500
500
SCR
SCR
L1
L2
INDOOR UNIT
L3
N
PE
Mains Incoming Supply
400V / 3PH + N / 50Hz
OUTDOOR
UNIT
Mains sub fused supply to Outdoor Unit
(must be wired from Indoor Unit)
Fan Speed Control Signal to Outdoor Unit
(only applicable for EC fan based Outdoor Units)
Mains Incoming Supply
400V / 3PH + N / 50Hz
560
Common Alarm Normally Open
561
Common
562
Common Alarm Normally Closed
INDOOR UNIT
583
Fire Detection
502
24Vac
560
Non-Critical Alarm Normally Open
561
Common
562
Non-Critical Alarm Normally Closed
563
Critical Alarm Normally Open
INDOOR UNIT
564
Common
565
Critical Alarm Normally Closed
583
Fire Detection
502
24Vac
522
Remote On/Off
502
24Vac
Rx-Tx-
Rx+Tx+
GND
Rx-Tx-
Rx+Tx+
GND
INDOOR UN
IT
Network Connections (Inward connection)
Network Connections (Outward connection)
INDOOR UNIT
X Models (Matched
System)
WX Models (Non-Matched
System)
X and WX Models
Indoor Controls Only
Sizes 6-26
Sizes 28-60
pLAN Termination
The plugged termination ensures that the connections are made simultaneously. Failure to attach the cables this way
may cause damage to the controller.