21
8-5-2. Indoor controller board
SLZ-KA25VAQ.TH SLZ-KA35VAQ.TH SLZ-KA50VAQ.TH
SLZ-KA25VAQR1.TH SLZ-KA35VAQR1.TH SLZ-KA50VAQR1.TH
SLZ-KA25VAQ2.TH SLZ-KA35VAQR2.TH SLZ-KA50VAQR2.TH
FAN
Fan motor output
CNP
Drain-pump
output (DP)
(208/230V AC)
CNC
Dew prevention
heater (H2)
(208/230V AC)
CNDK
Connect to the
indoor power
board (CNSK)
(208/230V AC)
FUSE
(6.3A 250V)
CND
Power
supply input
(208/230V AC)
SWE
Emergency operation
SW2
Capacity setting
Jumper connector
J11~J15
Unit setting
CN2L
Connector (LOSSNAY)
CN51
Centrally control
1
-
2
: Control signal
13V pulse input (
1
: +)
3
-
4
: Operation indicator
13VDC (
3
: +)
3
-
5
: Malfunction indicator
13VDC (
3
: +)
CN6V
Vane motor output (MV)
CN90
Connect to the wire-
less remote controller
board (CNB)
CN31
Drain sensor (DS)
CN29
Condenser/evaporator
temperature thermistor (TH5)
CN21
Pipe temperature
thermistor/Liquid (TH2)
CN20
Room temperature
thermistor (TH1)
CN22
Remote controller
connecting wire
(10.4~14.6V DC)
LED3
Transmission
(Indoor/outdoor)
LED2
Power supply
(R.B)
LED1
Power supply
(I.B)
CN2D
Connector to the indoor
power board (CN2S)
(12.5~13.7V DC)
CN3C
Transmission
(Indoor/outdoor)
(0~24V DC)
SW3
Mode selection
}
}
+
–
+
–
CN41
Connector
(HA terminal-A)
CN105
(CN92)
OCH493D
