Figure 1: Elementary wiring diagram
LD27251
2
DISPLAY
40
39
41
42
43
44
45
46
47
48
49
50
52
51
1
TO
MICROBOARD
J5
J2-
50
TO
MICROBOARD
J6
2
ROW 3
ROW 4
ROW 2
ROW 1
COL 5
1
2
3
4
5
6
7
8
9
10
11
12
13
COL 6
TO MICRO
BOARD
KEYPAD
COL 7
COL 4
COL [
STATIC SHIELD
J1-
COL 1
COL 2
COL 3
1
2
CN2
1
2
2T
24 VAC
FOR (EEV)
BOARD
SEE
SHEET 6
D8
SEE
SHEET 6
D8
TO POWER
SUPPLY
24
21
JOG LOCATION
SEE NOTE 10
A1
A2
B1
MOTOR
TO I/O BOARD
LINE 4
25
5FU
5AMP
125V
4
1SW
B2
22
21
C1
C2
A
B
C
1-1
1-4
2-1
D
2-4
E
F
1-2
1-4
G
2-2
2-4
1-3
1-4
H
J
2-3
2-4
K
DRN
L
M
T
RED
BLK
BLU
BLK
WHT
BLK
YEL
BLK
GRN
BLK
BRN
BLK
(TO VSD MWT CPC)
320
321
2
1
CL1
TO VSD PLUG, PIN A
(SEE SHEET 6)
(TO VSD VGD CPC)
1
2
3
GND
48 VDC
RTN
GND
DRAIN
A
B
GND
VGD
(TO OV PANEL)
(CABLE 32)
TB4-2
TB4-3
TB5-153
TB7-315
TB7-306
5
6
8
A
B
Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller
12
