FAN
DC FAN
CN24
AC-L
AC-N
CN13
RED
BLU
VALVE-N/VALVE-C/VALVE-H
Y/G
L N
XT1
COOL
WATER
POWER
VALVE
MAIN BOARD
ENC1
S1
CN16
CN26
PUMP
N L
HOT
WATER
PUMP
VALVE
Iron plastic strip
Figure 5-21 Cabling diagram
14
WATER
CN6
CN20
CN8
CN4
CN21
Red LED
Green LED
S4
S2
S3
HEAT
CN5
CN37
ALARM
HI MED LOW COM
L
POWER
N
Thermostat
ALARM
POWER
Cable
CS
XP6 XS6
Wire controller
XP5 XS5
T1
T2C
XP4 XS4
T2H
XP3 XS3
Swing
Motor1
XP2 XS2
Swing
Motor2
XP1 XS1
ON/OFF
0-10V Wire
0..10V
GND1
controller
E
MODBUS RTU
Q
TO UPPER UNIT
P
E
TO CCM.COMM.BUS
Y
X
TO Electric Heating
+12V DC SIGNAL OUTPUT
Figure 5-20 Wiring diagram
Positioning
thread buckle
V.1