JOHNSON CONTROLS
18
FORM 160.76-PW5
ISSUE DATE: 09/06/2019
CONNECTION DIAGRAM
(UL APPLICATIONS ONLY)
FIGURE 6 -
CONNECTION DIAGRAM (UL)
1 82
3
56
32
11
95
1 31 9 1 1312 1 20 19 1 8 7 1
J2
1 30 28 71 70 18 80 2 81
161163162158160159 58 59
1
TB3
J1
1
TB4
1
26
55
45
44
27 42 43 40
49
50
15A
1C
1G
28
70
18
2C
161
163
162
58 59 3
16
2
16A
1 2 3 4
5 6 7 8
1
2
3
4
5
6
7
8
J32
P32
316
308
316A
308A
71
80
81
158
160
159
J2
1 J1
1
3 4
2
22
J20
SHLD
GND
J10
J6
J5
J18
+
-
SHLD
GND
+
-
1
J7
J8
1
J9
J19
1
1
1
1
12
24
13
49
50
2
22
11
12
1
1
10
20
11
J22
1
JP24
1
JP23
1
1
JP22
JP21
1
6
7
12
J14
1
1
1
1
JP11
JP9
JP10
JP12
1
JP25
1
J1
F2
F1
F3
F4
1
J3
7
4
-12V
+12V
+24V
1
+12V
1
6
1
-
+
GND
SHLD
+12V
J15
J24
J25
J29
J30
1
1
1
V+ IN
1
IN
2
IN
3
IN5+ IN5-
+5
V
- + GN
D
TB1
1
TB3 J23
1
1
1
1
TB
6T
B5
TB
7
TB
8
J21
1
2
4
3
1
2
49 50
1
2
9
10
JP7
JP8
1
JP5
1
1
1
SMARC MODULE
SW1
1
ON
303A
317
307A
318
309A
311A
319
315A
308A
316A
SHIELD
BLK
BLK
RED
GN
D
IN6+ IN6-
OU
T
JP4
JP2
JP3
RED
GND
GTX
GND
GRX
DTR1
TXD1
RXD1
DSR1
TB1
1
STRIPE
VSOP CABLE
12 11 14
1 9
19
7
4 5 6 2 3
15
16
24
BLK
WHT
GRN
RED
30
26
27
(UL APPLICATION ONLY)
TO J7-24
TO J7-23
WH
T
23
WH
T
TB10
1
USED ON COMPR.
WITH VGD ONLY
USED ON COMPR. WITH
VGD OR HGBP
STALL DETECTOR
DETECTOR
031-02418
(OPTIONAL)
MICROBOARD
031-03630
TO
DISPLAY
TO
DISPLAY
TO
KEYPAD
I/0 BOARD
031-01743
J2 PRINTER
& BAS
J12
COM3
J13
MC1
TB2
MC2/MBC
TB4
VGD
SD CARD
SLOT J26
J33
USB
(OPTION)
TO
SC-EQ
BOARD
TO J9
ON LTC
I/O BD.
LEFT SIDE WALL
1G
TO HEATING CONDENSER WATER FLOW SWITCH,
TB20-1,2 LTC I/O
TO HEATING RECOVERY OR HEAD PRESSURE CONTROL VALVE
TB7-1, TB7-2 MICROBOARD KEYPAD
TO HOT WATER SET POINT OFFSET TB9-3, 4 LTC I/O
TO REMOTE LCHLT SET POINT OFFSET (PWM SIGNAL)1,19
(SEE NOTES 2,9)
TO REMOTE CURRENT LIMIT SET POINT (PWM SIGNAL)1,20
(SEE NOTES 2,9)
TO CHILLED LIQUID PUMP RUN CONTACTS 44,45
(SEE NOTES 2,15,16)
TO REMOTE MODE READY TO START CONTACTS 26,27
(SEE NOTES 2,15,16)
TO RUN CONTACTS 35,36 (SEE NOTES 11,16)
TO CONDENSER PUMP MOTOR STARTER 150,151
(SEE NOTES 10,16)
TO CHILLED LIQUID FLOW SWITCH 1,12 (SEE NOTES 2,9)
TO SAFETY SHUTDOWN ALARM CONTACTS 42,43
(SEE NOTES 15,16)
TO AUXILIARY SAFETY SHUTDOWN 1,31 (SEE NOTES 2,9)
TO REMOTE START/STOP CONTACTS 1,7 (SEE NOTES 2,8,9)
TO REMOTE/LOCAL CYCLING CONTACTS 1,13 (SEE NOTES 2,5,9)
TO MULTI-UNIT SEQUANCE CYCLING 1,9 (SEE NOTES 2,9)
TO CONDENSER LIQUID FLOW SWITCH 1,11 (SEE NOTES 2,9)
TO WARNING ALARM 55,56 (SEE NOTES 15,16)
TO CYCLING SHUTDOWN ALARM CONTACTS 40,41
(SEE NOTES 2,15,16)
TO COMPR. MTR, STARTER W/CONTROL SUPPLY 1,3,4,15,24,53,
XFMR, 115V, 50/60 Hz (SEE NOTES 6,10) L,2 (GROUNDED CONDUCTOR)
GND
+12V
BLK
RED
J1
SC-EQ
(OPTIONAL)
SC-AP
MODULE
(OPTIONAL)
SHLD
COM
RX
TX
1
2 4
3
J7
J8
J12
J9
(OPTION)
TO
MICROBD.
J2
10
USED ON Q COMPR. ONLY
1 82
3
56
32
11
95
1 31 9 1 1312 1 20 19 1 8 7 1
J2
1 30 28 71 70 18 80 2 81
161163162158160159 58 59
1
TB3
J1
1
TB4
1
26
55
45
44
27 42 43 40
49
50
15A
1C
1G
28
70
18
2C
161
163
162
58 59 3
16
2
16A
1 2 3 4
5 6 7 8
1
2
3
4
5
6
7
8
J32
P32
316
308
316A
308A
71
80
81
158
160
159
J2
1 J1
1
3 4
2
22
J20
SHLD
GND
J10
J6
J5
J18
+
-
SHLD
GND
+
-
1
J7
J8
1
J9
J19
1
1
1
1
12
24
13
49
50
2
22
11
12
1
1
10
20
11
J22
1
JP24
1
JP23
1
1
JP22
JP21
1
6
7
12
J14
1
1
1
1
JP11
JP9
JP10
JP12
1
JP25
1
J1
F2
F1
F3
F4
1
J3
7
4
-12V
+12V
+24V
1
+12V
1
6
1
-
+
GND
SHLD
+12V
J15
J24
J25
J29
J30
1
1
1
V+ IN
1
IN
2
IN
3
IN5+ IN5-
+5
V
- + GN
D
TB1
1
TB3 J23
1
1
1
1
TB
6T
B5
TB
7
TB
8
J21
1
2
4
3
1
2
49 50
1
2
9
10
JP7
JP8
1
JP5
1
1
1
SMARC MODULE
SW1
1
ON
303A
317
307A
318
309A
311A
319
315A
308A
316A
SHIELD
BLK
BLK
RED
GN
D
IN6+ IN6-
OU
T
JP4
JP2
JP3
RED
GND
GTX
GND
GRX
DTR1
TXD1
RXD1
DSR1
TB1
1
STRIPE
VSOP CABLE
12 11 14
1 9
19
7
4 5 6 2 3
15
16
24
BLK
WHT
GRN
RED
30
26
27
(UL APPLICATION ONLY)
TO J7-24
TO J7-23
WH
T
23
WH
T
TB10
1
USED ON COMPR.
WITH VGD ONLY
USED ON COMPR. WITH
VGD OR HGBP
STALL DETECTOR
DETECTOR
031-02418
(OPTIONAL)
MICROBOARD
031-03630
TO
DISPLAY
TO
DISPLAY
TO
KEYPAD
I/0 BOARD
031-01743
J2 PRINTER
& BAS
J12
COM3
J13
MC1
TB2
MC2/MBC
TB4
VGD
SD CARD
SLOT J26
J33
USB
(OPTION)
TO
SC-EQ
BOARD
TO J9
ON LTC
I/O BD.
LEFT SIDE WALL
1G
TO HEATING CONDENSER WATER FLOW SWITCH,
TB20-1,2 LTC I/O
TO HEATING RECOVERY OR HEAD PRESSURE CONTROL VALVE
TB7-1, TB7-2 MICROBOARD KEYPAD
TO HOT WATER SET POINT OFFSET TB9-3, 4 LTC I/O
TO REMOTE LCHLT SET POINT OFFSET (PWM SIGNAL)1,19
(SEE NOTES 2,9)
TO REMOTE CURRENT LIMIT SET POINT (PWM SIGNAL)1,20
(SEE NOTES 2,9)
TO CHILLED LIQUID PUMP RUN CONTACTS 44,45
(SEE NOTES 2,15,16)
TO REMOTE MODE READY TO START CONTACTS 26,27
(SEE NOTES 2,15,16)
TO RUN CONTACTS 35,36 (SEE NOTES 11,16)
TO CONDENSER PUMP MOTOR STARTER 150,151
(SEE NOTES 10,16)
TO CHILLED LIQUID FLOW SWITCH 1,12 (SEE NOTES 2,9)
TO SAFETY SHUTDOWN ALARM CONTACTS 42,43
(SEE NOTES 15,16)
TO AUXILIARY SAFETY SHUTDOWN 1,31 (SEE NOTES 2,9)
TO REMOTE START/STOP CONTACTS 1,7 (SEE NOTES 2,8,9)
TO REMOTE/LOCAL CYCLING CONTACTS 1,13 (SEE NOTES 2,5,9)
TO MULTI-UNIT SEQUANCE CYCLING 1,9 (SEE NOTES 2,9)
TO CONDENSER LIQUID FLOW SWITCH 1,11 (SEE NOTES 2,9)
TO WARNING ALARM 55,56 (SEE NOTES 15,16)
TO CYCLING SHUTDOWN ALARM CONTACTS 40,41
(SEE NOTES 2,15,16)
TO COMPR. MTR, STARTER W/CONTROL SUPPLY 1,3,4,15,24,53,
XFMR, 115V, 50/60 Hz (SEE NOTES 6,10) L,2 (GROUNDED CONDUCTOR)
GND
+12V
BLK
RED
J1
SC-EQ
(OPTIONAL)
SC-AP
MODULE
(OPTIONAL)
SHLD
COM
RX
TX
1
2 4
3
J7
J8
J12
J9
(OPTION)
TO
MICROBD.
J2
10
USED ON Q COMPR. ONLY
LD29152a
306B
34
GND
(OPTIONAL)
LTC I/O
BOARD
031-02895
2
62
151
2
1
33 61
J1
6
16B
53
24
2A
J2
J3
CM-2
BOARD
031-00947
J5
J1
1
1
1
RIGHT SIDE WALL
17
TB5
TB2
25
22
23
12
64
164
165
TB1
1 29
41 150
152153154155156157164 36 35
16
1T
G
L
2
RED
LT BLU
GRN/YEL
2C 2B 34 6 16 6 61 1C 1B
313B,313C
PIN 1
2
2
2
2D
2B
TB6
L
L
L
LA
L
1
1
53
3
3
4
4
15 16 21
24
24 25
25
53
2
+24V
COM
5
2D
1F
1
2
3
4
5
6
7
8
9
10
11
12
13
L
N
GND
J1
J2
COM
COM
COM
+5V
+5V
+5V
+12V
-12V
+24V
+24V
1A
2
POWER
SUPPLY
309A
311A
319
307A
306A
305A
303A
314A
COM
1E
1
2
3
4
5
11
7
8
9 10
1
2
12
11
12
3
4
5
6
7
8
306A
305A
315A
314A
P30
306
305
315
314
J30
1
2
3
4
5
6
120
VAC
24
VAC
162
1F
5
9
10
WIRE ENTRY VIEW
25
J10
1
(HGBP OPTION)
J31
P31
1
2
22
BL
K
4FU
314
302
(OPTIONAL)
313
62
29
64 17
165
164
23
2E
162
162A
B A
162A
RED
GRN
317
DB
-
+
97
98
99
A
1 & 2 RES
B
13
24
RED
BLK
RED
BLK
29
28
28 29
TB1
TB2
TB20
1
1
1
TB8
1
313B
1
J9
16
9
8
RED (J12) BLK (J12) 305 310 308B 302A
1
TB9
302
306
308
310
313
302
306
308
316
315
302A
306B
308B
310
TB7
313,313C
318
COM
313D
1
LA
A
22
C
22
L
1 SW
25A
21
21
22
11
12
28
1E
TB6
1
RE
D
RE
D
22
RE
D
23
BL
K
SAFETY
STOP
SEE
NOTE 12
NOTE: TERMINAL BLOCK "25"
CONTAINS FUSE 5FU, 5A
K18
(1R RELAY)
1FU
5A
2FU
20A
(SUPPLIED WITH
POWER SUPPLY)
(TO J9-12
ON MICROBD.)
FLOW
SWITCH
WIRES
SHIELD
(J12)
FOR TB7:
USE CLASS 1 CONDUCTORS
USE COPPER CONDUCTORS ONLY
SEE NOTE 14
1
2
TO
5 6
4
81
18
J35
64
58
13
10
7
4
1
1D
7
4
1
J34
J33
*159
15
14
12
11
8 9
61
160
2 3
6
5
4
158
15
9
8
5 6
3
2
59*
2E
80
B
2 3
1
15
15A
16B
16A
(1SW)
21
25A
(1SW)
1D
1B
1A
1
2A
2
5
5A
3FU
5A
14
USED ON K7
COMPR. ONLY
70
LB
LB
* THESE PINS ARE CONNECTED TO CIRCUIT 14 ON SYSTEM WIRING SIDE FOR K7 COMPR. ONLY.
WIRING FOR "H" & "K" COMPR. WITH
WIREWAY ONLY.SEE SHEETS 10,11
& 12 FOR "P" AND "Q" COMPR.
AND "H" & "K" COMPR.
WITHOUT WIREWAY
TO CONTACTOR CONTROL VOLTAGE
SUPPLIED BY OTHER
306B
34
GND
(OPTIONAL)
LTC I/O
BOARD
031-02895
2
62
151
2
1
33 61
J1
6
16B
53
24
2A
J2
J3
CM-2
BOARD
031-00947
J5
J1
1
1
1
RIGHT SIDE WALL
17
TB5
TB2
25
22
23
12
64
164
165
TB1
1 29
41 150
152153154155156157164 36 35
16
1T
G
L
2
RED
LT BLU
GRN/YEL
2C 2B 34 6 16 6 61 1C 1B
313B,313C
PIN 1
2
2
2
2D
2B
TB6
L
L
L
LA
L
1
1
53
3
3
4
4
15 16 21
24
24 25
25
53
2
+24V
COM
5
2D
1F
1
2
3
4
5
6
7
8
9
10
11
12
13
L
N
GND
J1
J2
COM
COM
COM
+5V
+5V
+5V
+12V
-12V
+24V
+24V
1A
2
POWER
SUPPLY
309A
311A
319
307A
306A
305A
303A
314A
COM
1E
1
2
3
4
5
11
7
8
9 10
1
2
12
11
12
3
4
5
6
7
8
306A
305A
315A
314A
P30
306
305
315
314
J30
1
2
3
4
5
6
120
VAC
24
VAC
162
1F
5
9
10
WIRE ENTRY VIEW
25
J10
1
(HGBP OPTION)
J31
P31
1
2
22
BL
K
4FU
314
302
(OPTIONAL)
313
62
29
64 17
165
164
23
2E
162
162A
B A
162A
RED
GRN
317
DB
-
+
97
98
99
A
1 & 2 RES
B
13
24
RED
BLK
RED
BLK
29
28
28 29
TB1
TB2
TB20
1
1
1
TB8
1
313B
1
J9
16
9
8
RED (J12) BLK (J12) 305 310 308B 302A
1
TB9
302
306
308
310
313
302
306
308
316
315
302A
306B
308B
310
TB7
313,313C
318
COM
313D
1
LA
A
22
C
22
L
1 SW
25A
21
21
22
11
12
28
1E
TB6
1
RE
D
RE
D
22
RE
D
23
BL
K
SAFETY
STOP
SEE
NOTE 12
NOTE: TERMINAL BLOCK "25"
CONTAINS FUSE 5FU, 5A
K18
(1R RELAY)
1FU
5A
2FU
20A
(SUPPLIED WITH
POWER SUPPLY)
(TO J9-12
ON MICROBD.)
FLOW
SWITCH
WIRES
SHIELD
(J12)
FOR TB7:
USE CLASS 1 CONDUCTORS
USE COPPER CONDUCTORS ONLY
SEE NOTE 14
1
2
TO
5 6
4
81
18
J35
64
58
13
10
7
4
1
1D
7
4
1
J34
J33
*159
15
14
12
11
8 9
61
160
2 3
6
5
4
158
15
9
8
5 6
3
2
59*
2E
80
B
2 3
1
15
15A
16B
16A
(1SW)
21
25A
(1SW)
1D
1B
1A
1
2A
2
5
5A
3FU
5A
14
USED ON K7
COMPR. ONLY
70
LB
LB
* THESE PINS ARE CONNECTED TO CIRCUIT 14 ON SYSTEM WIRING SIDE FOR K7 COMPR. ONLY.
WIRING FOR "H" & "K" COMPR. WITH
WIREWAY ONLY.SEE SHEETS 10,11
& 12 FOR "P" AND "Q" COMPR.
AND "H" & "K" COMPR.
WITHOUT WIREWAY
TO CONTACTOR CONTROL VOLTAGE
SUPPLIED BY OTHER
LD29152b
