JOHNSON CONTROLS
13
FORM 160.76-PW5
ISSUE DATE: 09/06/2019
ELEMENTARY DIAGRAM
REMOTE CURRENT
LIMIT SETPOINT
REMOTE LCHLT
SETPOINT
22
21
9
20
8
19
7
18
6
17
5
16
4
13
1
2
14
3
15
1
12
2
MICROBOARD
031-03630
+5V
+5V
GND
4-20 mA INPUT
0 TO 10V INPUT
0 TO 10V INPUT
0 TO 10V INPUT
0 TO 10V INPUT
GND SPARE
+5V SPARE
GND
+5V
+5V
GND
4-20 mA INPUT
4-20 mA INPUT
4-20 mA INPUT
+5V
GND
12
+5V
INPUT
GND
23
24
NOT USED
2
4
WHT
BLK
4
2
+5V
GND
INPUT
STALL
DETECTOR
BOARD
031-02418
WHT
PRV
POTENTIOMETER
2.5K
RED
BLK
10
INPUT
11
GND
J2-1
J2-4
J2-3
J1-3
J1-2
J1-1
LVD1G1N1
GND
+5V
LVD1G1N0
4
3
2
1
5
6
7
8
+5V
GND
LVD1G1N2
GND
+5V
12
11
10
9
LVD1G1N3
+5V
GND
J2-2
RED
WHT
BLK
GRN
ATTENTION:
IF FLOW SWITCHES ARE CONNECTED TO J14, MICROBOARD
JUMPERS JP10, JP11 AND JP12 MUST BE ON PINS 2 & 3.
4
16
15
INPUT
GND
+12V
2
4
BLK
WHT
BLK
WHT
NOT USED
NOT USED
USED ON COMPR.
WITH VGD ONLY
USED ON COMPR.
WITH VGD OR HGBP
(OPTIONAL)
HGBP
ACTUATOR
MOV
3
WHT
KEY IN
KEY OUT
1
GND
13
12
11
10
9
8
7
6
5
4
3
2
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
9
8
7
6
5
4
50
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
3
2
1
TO
KEYPAD
1
2
3
4
4
5
1
2
3
BAS
POWER
(OPTION)
CURV
LWT I
GND
+12VF
GND
SHFCLK
LP (HSYNC)
FLM (VSYNC)
GND
RO
R1
R2
R3
R4
R5
GND
G0
G1
G2
G3
G4
G5
GND
B0
B1
B2
B3
B4
B5
GND
DISP EN
SW_VDD
SW_VDD
SW VDD
GND
GND
GND
GND
GND
GND
PID1
GND
PID0
GND
NO CONNECT
NO CONNECT
ROW 4
ROW 3
ROW 2
ROW 1
COL 7
COL 6
COL 5
COL 4
COL 3
COL 2
COL 1
COL 0
CUR I
LWTV
GND
+5VDC
NO CONNECT
NO CONNECT
NO CONNECT
NO CONNECT
NO CONNECT
NO CONNECT
NO CONNECT
NO CONNECT
NO CONNECT
NO CONNECT
BRIGHTNESS CONTROL -
BRIGHTNESS CONTROL WIPER
BRIGHTNESS CONTROL +
EN BKLT
GND
GND
+V
+V
1
2
3
10
4
5
6
7
8
9
TO
DISPLAY
BACKLIGHT
1
2
3
4-20mA
RET
0-10V
1
2
3
WHT
4-20mA
RET
0-10V
1
2
3
WHT
4-20mA
RET
0-10V
TO
DISPLAY
+-
1
3
+ -
1
3
TO 24 VAC SUPPLY
CFS
CONDENSER
FLOW SWITCH
EFS
CHILLED
LIQUID
FLOW SWITCH
3
1
-+
26
27
RED
WHT
BLK
SD
DISCHARGE
PRESSURE
TRANSDUCER
(0.5-4.5V)
24
22
REMOTE
INTERFACE
CURRENT &
TEMP
BLK
1
TO TB6-5
TO TB6-162
RED
2
GND
(OPTIONAL)
HEAT RECOVERY OR
HEAD PRESSURE
CONTROL
OUTPUT
0-10V
4-20 mA
TO TB6-162
TO TB6-5
LIQUID
HEATING
CONDENSER
FLOW SWITCH
(OPTIONAL)
LIQUID
(OVA)
23
J8-
J22-
J14-
J7-
J21-
J5-
J18-
J6-
TB7-
TB6-
TB8-
MOV
(WHT)
2
(RED)1
3
(BLK)2
1
3
(RED)1
3
(WHT)
(BLK)2
ORIFICE VALVE
ACTUATOR #1
ORIFICE VALVE
ACTUATOR #2
J-3
J-3
J-2
J-2
J-1
J-1
K1-K4
K4 ONLY
LD29149a
MICROBOARD DIAGRAM (031-03630)
FIGURE 3 - MICROBOARD DIAGRAM (CONT'D)
TO
I/O
BD.
J1
20
10
8
12
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
CONTROL VOLAGE
SAFETY STOP SWITCH
SPARE
OIL PUMP VSD FAULT
VANE MOTOR SWITCH
VGD EXTENDED SWITCH
THRUST BREAING PROX SWITCH
REMOTE RUN/STOP
SPARE
REMOTE COOLING SETPOINT
REMOTE CURRENT LIMIT SETPOINT
CHILLED LIQUID FLOW SWITCH
SYSTEM CYCLING SHUTDOWN
MULTI UNIT SEQUENCE CYCLING
SPARE
AUX. SAFETY SHUTDOWN
CONDENSER LIQUID FLOW SWITCH
AUTO LUBE LOW LEVEL INDICATOR
+5V
GND
GND
GND
GND
+12V
+12V
LEVEL CONTROL VALVE CLOSE
LEVEL CONTROL VALVE OPEN
VGD CLOSE (EXTEND)
VGD OPEN (EXTRACT)
PRV CLOSE
PRV OPEN
HIGH SPEED THRUST SOLENOID VALVE
OIL HEATER
MOTOR STARTER STOP
MOTOR STARTER START
OIL RETURN SOLENOID VALVE
SPARE
OIL SUMP CONDENSER REFRIGERANT PUMP (HIGH TEMP HP
)
SPARE RELAY
SPARE RELAY
SPARE RELAY
AUTO LUBE RUN
CONDENSER LIQUID PUMP RUN
CYCLING SHUTDOWN ALARM
SAFETY SHUTDOWN ALARM
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
-12V
+12V
+5V
+5V
+24VF
+12VF
SHIELD
+
-
-12V
GND
+12V
GND
+12V
SHLD
GTX
GRX
DTR1
TXD1
RXD1
DSR1
GND
GND
PRINTER
& BAS
3
2RED
BLK
+V
EN
+12V
EN SIG
VS OIL
PUMP DRIVE
WHT 1
PWM
PWM SIG
+24 VDC
TO J31-2
NOT USED
313C
5
4
3
2
+
GND
SHLD
309A
1
311A
+24V
7
319
315A
6
1
7
+24V
COM3
EXP I/O
SHIELD
RED
BLK
+
-
J24-
J25-
RED
BLK
-
+12V
TB2
MC2/MBC
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
COM
TO P30-12
TO J32-7
TO J32-8
BLK
RED
WHT
14
3
13
6
7
17
RED
WHT
BLK
2
1
3
3
1
2
BLK
WHT
RED
HOP
OIL PUMP
PRESSURE
TRANSDUCER
(0.5-4.5V)
EP
EVAPORATOR
PRESSURE
TRANSDUCER
(0.5-4.5V)
19
9
18
INPUT
GND
+12V
GND
INPUT
+5V
+5V
INPUT
GND
15
14
11
3
1
2BLK
WHT
RED
3
1
2
BLK
WHT
RED
CP
CONDENSER
PRESSURE
TRANSDUCER
(0.5-4.5V)
LOP
OIL SUMP
PRESSURE
TRANSDUCER
(0.5-4.5V)
11
22
21
11
2
1
+5V
INPUT
GND
+5V
INPUT
GND
12
10
BLK
RED
1
2
RT3
OIL TEMP.
THERMISTOR
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
RED1
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
INPUT
+5V
3
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)
TO CM-2 BOARD
COM
SPARE
J19-
J20-
TB10
TB2
J15-
J29-
J30-
J2-
J13-
J3-
J10-
J9-
J12-
J13
J2
J1-
POWER IN
BLK
RED
1
2
7
RT7
EVAPORATOR
REFRIG.TEMP.
THERMISTOR
USED ON Q COMPR. ONLY
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