Flooded type water cooled screw chiller (PCB Control)
74
X:12 X:13
X:11
331 333
337
1KA
SQ1
X:22
X:21 X:24
240 248
244
2FR
2SL
X:68
246
RT
2
RT
1
RT
3
335
2KA
RT
4
202
L15
N
402 404 406
410 404
412
404
~
12V
220V
L
N
+V -V
UR2
12V
0V
L15
N
1/E11
3/F11
3/F11
2/
B1
2
2/
E1
2
X:69
X:70
X:72
X:76
X:77
X:71
X:75
X:78
X:67
X:14
X:23
RT
7
416
X:81
X:82
RT
8
418
X:84
X:83
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.
RT
5
406
X:73
X:74
RT
6
406
X:80
X:79
RS485 Communication Line
P
I
X:8
6
X:8
5
1/
E1
0
24V
1BP1
502
P
I
X:8
8
X:8
7
504
1/
E1
0
OV
P
I
X:9
0
X:8
9
506
P
I
X:9
2
X:9
1
508
1BP2 2BP1
2BP2
X:25
X:26
242
SQ2
SQ3