EN
FAN
DC FAN
RED
BLU
Y/G
L N
XT1
POWER IN
CN24
MAIN BOARD
AC-L
AC-N
CN13
CN16
CN26
PUMP
VALVE-N/VALVE-C/VALVE-H
N L
COOL
HOT
WATER
WATER
PUMP
VALVE
VALVE
Figure 5-20 Wiring diagram (unit with inverter motor I-VM; I-VN)
Figure 5-21 Cabling diagram (unit with inverter motor I-VM; I-VN)
WATER
CN6
CN20
CN8
CN4
CN21
Red LED
Green LED
ENC1
S4
S1
S2
S3
CN37
ALARM
HI MED LOW
COM
L
POWER IN
N
Thermostat
ALARM
POWER IN
Iron plastic strip
Cable
14
CS
XP6 XS6
Infrared Wired
controller
XP5 XS5
T1
T2C
XP4 XS4
T2H
XP3 XS3
Swing
Motor1
XP2 XS2
Swing
Motor2
XP1 XS1
ON/OFF
0..10V
0-10V Wired
GND1
controller
E
MODBUS RTU
Q
TO UPPER UNIT
P
E
TO CCM.COMM.BUS
Y
X
Bi-directional
XP7 XS7
communication
Wired controller
Positioning
thread buckle