JOHNSON CONTROLS
12
FORM 160.76-PW5
ISSUE DATE: 09/06/2019
MICROBOARD DIAGRAM (031-03630)
FIGURE 3 -
MICROBOARD DIAGRAM
ELEMENTARY DIAGRAM
REMOTE CURRENT
LIMIT SETPOIN
T
REMOTE LCHL
T
SETPOIN
T
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
+5
V
+5
V
GN
D
4-20 mA INPU
T
0 TO 10V INPU
T
0 TO 10V INPU
T
0 TO 10V INPU
T
0 TO 10V INPU
T
GND SPAR
E
+5V SPAR
E
GN
D
+5
V
+5
V
GN
D
4-20 mA INPU
T
4-20 mA INPU
T
4-20 mA INPU
T
+5
V
GN
D
12
+5
V
INPU
T
GN
D
23
24
NOT USED
2
4
WH
T
BL
K
4
2
+5
V
GN
D
INPU
T
STALL
DETECTOR
BOARD
031-02418
WH
T
PRV
POTENTIOMETER
2.5K
RE
D
BL
K
10
INPU
T
11
GN
D
J2-1
J2-4
J2-3
J1-3
J1-2
J1-1
LVD1G1N1
GN
D
+5
V
LVD1G1N0
4
3
2
1
5
6
7
8
+5
V
GN
D
LVD1G1N2
GN
D
+5
V
12
11
10
9
LVD1G1N3
+5
V
GN
D
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
INPU
T
GN
D
+12V
2
4
BL
K
WH
T
BL
K
WH
T
NOT USED
NOT USED
USED ON COMPR.
WITH VGD ONLY
USED ON COMPR.
WITH VGD OR HGBP
(OPTIONAL)
HGBP
ACTUATOR
MOV
3
WH
T
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 C
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
CF
S
CONDENSER
FLOW SWITCH
EF
S
CHILLE
D
LIQUID
FLOW SWITCH
3
1
-
+
26
27
RE
D
WH
T
BL
K
SD
DISCHARG
E
PRESSURE
TRANSDUCE
R
(0.5-4.5V)
24
22
REMOTE
INTERFACE
CURRENT &
TEMP
BL
K
1
TO TB6-
5
TO TB6-162
RE
D
2
GN
D
(OPTIONAL)
HEAT RECOVERY OR
HEAD PRESSURE
CONTROL
OUTPUT
0-10V 4-20
mA
TO TB6-162
TO TB6-5
LIQUID
HEATIN
G
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
