Johnson Controls YZ - Page 13

Figure 1: Elementary wiring diagram
LD27252b
A1
A2
B1
MOTOR
B2
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)
(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
TB4-4
4
025-44679-000
ACTUATOR WIRING
MOTOR WINDING
TEMPERATURE WIRING
(TO VSD VGD CPC)
1
2
GND
+48 VDC
RTN
DRAIN
1
2
CASE
VGD
(TO OV PANEL)
(CABLE 34)
TB4-3
TB4-4
1
5
TB4-2
2
025-50961-000
ACTUATOR WIRING
(TO OV PANEL)
(CABLE 35)
TB5-153
TB7-315
TB7-306
1
5
3
TB7-306
7
J-2
RED
J-3
J-1
BLK
WHT
CONDENSER LEVEL
CONTROL ACTUATOR
(CLCA)
J-2
RED
J-3
J-1
BLK
WHT
HGBP ACTUATOR
22
23
TO CONTROL PANEL
(SEE SHEET 7)
TO CONTROL PANEL
(SEE SHEET 7)
SUPR
29B
2M
2
1
4SOL
PURGE PUMP SOLENOID
VALVE
SUPR
29C
2N
2
1
5SOL
PURGE INLET SOLENOID
VALVE
(OPTIONAL)
PURGE REGEN TANK
SOLENOID VALVE
SUPR
29D
2P
2
1
7SOL
TO PURGE SOLS PLUG
(SEE SHEET 7)
TO PURGE SOLS PLUG
(SEE SHEET 7)
TO REGEN SOLS PLUG
(SEE SHEET 7)
SUPR
3
2F
2
1
6SOL
(OPTIONAL)
PURGE REGEN DRAIN TANK
SOLENOID VALVE
TO REGEN SOLS PLUG
(SEE SHEET 7)
SUPR
163
2H
(MCB)
MOTOR COOLING BOOSTER
TO (MCB) PLUG
(SEE SHEET 7)
M
GND
(PE14)
GNDA
(PE9)
GNDA
(PE11)
GND
(PE10)
GND
(PE8)
WHT
BLK
WHT
BLK
WHT
BLK
WHT
BLK
WHT
BLK
J-2
RED
J-3
J-1
BLK
WHT
FFBP ACTUATOR
21
(OPTIONAL)
TO CONTROL PANEL
(SEE SHEET 7)
035-26662-000
REV G, SHT. 3
13Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller