York YK - Non Auto Resettable Shutdowns; Overload; Overvoltage; Output line to line short

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 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