Flooded type water cooled screw chiller (PCB Control)
69
X:8 X:9
X:7
317
319
321
KA
SQ1
X:17
X:16
230 234
RT2
RT1
RT3
RT4
202
L15
N
402
404 406
410 404
412
404
~
12V
220V
L
N
+V -V
UR2
12V
0V
L15
N
1/F11
2/F11
2/F11
2/F11
2/F11
X:49
X:50
X:51
X:52
X:55
X:56
X:58
X:57
X:10
X:18
RT7
416
X:62
X:61
Note: It indicates the field wiring in the dotted box S3 code setting:
code 1: ON indicates single head, OFF indicates dual heads
code 2: ON indicates there is not oil temperature sensor, OFF
indicates there is.
RT5
408
X:54
X:53
RS485 Communication Line
P
I
X:64
X:63
1/E10
24V
BP1
502
P
I
X:66
X:65
BP2
504
1/E10
0V
X:19
X:20
X:21
232
SQ2
SQ3