Johnson Controls YZ - Wiring notes

Figure 4: OptiView control panel microboard (031-03630) details
LD27258
TO
I/O
BD.
J1
20
10
8
12
J19-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
HIGH PRESSURE CUTOUT SWITCH
MOTOR CONTROLLER FAULT
RESERVED (MBC #2 LEVITATED)
SAFETY STOP SWITCH
RESERVED (MBC #2 FAULT)
MBC/OIL PUMP VSD FAULT
MBC LEVITATED
SPARE
RESERVED (HPCO SWITCH #2)
REMOTE RUN/STOP SWITCH
CONTROL VOLTAGE
REMOTE COOLING SETPOINT
REMOTE CURRENT LIMIT SETPOINT
CHILLED LIQUID FLOW SWITCH
SYSTEM CYCLING SHUTDOWN
MULTI UNIT SEQUENCE CYCLING
SPARE
AUXILIARY SAFETY SHUTDOWN
CONDENSER LIQUID FLOW SWITCH
RESERVED (MOTOR CONTROLLER #2 FAULT)
+5V
GND
GND
GND
GND
+12V
+12V
MOTOR COOLING BOOSTER
SPARE
SPARE
SPARE
VENT LINE SOLENOID
PURGE REGEN DRAIN TANK SOLENOID
SPARE
OIL HEATER
MOTOR CONTROLLER STOP
MOTOR CONTROLLER START
COND/EVAP OIL RETURN SOLENOID VALVE
PURGE INLET SOLENOID, PURGE PUMP, PURGE PUMP SOLENOID, PURGE REGEN TANK VENT SOLENOID
PURGE COMPRESSOR RUN
PURGE REGEN TANK HEATER
RESERVED (MOTOR CONTROLLER #2 STOP)
RESERVED (MOTOR CONTROLLER #2 START)
VGD SHUTDOWN
CONDENSER LIQUID PUMP RUN
CYCLING SHUTDOWN
SAFETY SHUTDOWN
REMOTE MODE READY TO START
WARNING ALARM
CHILLED LIQUID PUMP RUN
303A
317
318
307A
GND
EVAP. PRESS. FEEDTHROUGH
COND. PRESS. FEEDTHROUGH
DC UNDERVOLTAGE INPUT
1
2
3
4
5
6
1
2
3
4
5
6
2
3
4
5
6
7
8
1
2
3
4
5
1
2
3
4
5
1
2
3
4
J3-
J13-
J2-
J15-
-12V
+12V
COM
COM
+5V
+5V
+24VF
+12VF
SHIELD
+
-
-12V
GND
+12V
GND
+12V
SHLD
GTX
GRX
DTR1
TXD1
RXD1
DSR1
GND
GND
J2
PRINTER
& BAS
3
2
+12V
EN SIG
1
J20-
PWM SIG
NOT USED
5
4
3
2
TB2
+
GND
SHLD
4
16
15
INPUT
GND
+12V
309A
1
311A
J10-
+24V
7
319
315A
6
1
7
+24V
J12-
COM3
EXP I/O
SHIELD
RED
BLK
+
-
J24-
J25-
RED
BLK
-
+12V
TB2
MBC
J29-
J30-
TB10
1
COM 5A
TO J9 ON
LTC I/O BD.
GND
-12VF
308A
316A
TO J2-9 ON POWER SUPPLY
TO J2-11 ON POWER SUPPLY
TO J2-12 ON POWER SUPPLY
TO J2-1 ON POWER SUPPLY
TO J2-13 ON POWER SUPPLY
TO J2-7 ON POWER SUPPLY
TO J2-3 ON POWER SUPPLY
J1-
POWER IN
TO P30-12
TO J32-7
TO J32-8
BLK
RED
WHT
14
3
13
6
7
17
3
1
2
BLK
WHT
RED
EP
EVAPORATOR
PRESSURE
TRANSDUCER
(0.5-4.5V)
19
9
18
INPUT
GND
+12V
GND
INPUT
+5V
+5V
INPUT
GND
15
11
3
1
2
BLK
WHT
RED
CP
CONDENSER
PRESSURE
TRANSDUCER
(0.5-4.5V)
11
22
21
11
2
1
J9-
+5V
INPUT
GND
+5V
INPUT
GND
12
2
1
RED
BLK
2
1
RED
BLK
2
1
2
1
RED
BLK
RT2
DISCHARGE TEMP.
THERMISTOR
RT6
DROP LEG
REFRIG. TEMP.
THERMISTOR
RT4
LEAVING COND.
LIQUID TEMP.
THERMISTOR
14
4
15
5
16
6
17
7
18
8
BLK
RED
1
2
BLK
RED
1
2
RT1
LEAVING CHILLED
LIQUID TEMP.
THERMISTOR
19
9
20
10
INPUT
+5V
+5V
INPUT
+5V
INPUT
+5V
INPUT
+5V
INPUT
INPUT
+5V
INPUT
+5V
3
13
RT7
EVAPORATOR
REFRIG.TEMP.
THERMISTOR
BLK
RED
1
2
INPUT
+5V
7
2
5
RED
BLK
6
4
9
1
REFRIGERANT
LEVEL
SENSOR
(LLS)
CONDENSER
RT5
ENTERING COND.
LIQUID TEMP.
THERMISTOR
RT9
ENTERING CHILLED
LIQUID TEMP.
THERMISTOR
GND LUG
(OPTION TO SC-EQ)
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
TX
RX
TX
RX
FIBER
TO VSD
GRY
BLU
FIBER
TO MBC
GRY
BLU
3
1
2
NOT USED
SPARE
SPARE
J13
MOTOR
CONTROLLER
035-26662-000
REV E, SHT. 3
See Detail A
See Detail B
See Detail C
Note: See details A, B and C of Figure 5 and details D and E of Figure 6.
Wiring notes
1. If flow switches are connected to J14, microboard jumpers JP10, JP11, and JP12 must be on pins
2 and 3.
2. For VGD communication, jumpers JP27 and JP29 must be installed on pins 1 and 2.
19Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller