York YK - Most Frequently Asked Questions; Motor Rotation vs. Input Wiring; Oil Pressure Regulation Process; 50 Hz Installation - 60 Hz Operation

JOHNSON CONTROLS
16
FORM 160.76-PW5
ISSUE DATE: 09/06/2019
LTC I/O BOARD (031-02895)
FIGURE 5 - LTC I/O BOARD (031-02895)
TB1
305(GND)
RED
J12-5
TB2 TB3 TB4 TB5 TB6 TB7
TB16
1
TB17
1
TB18
1
TB19
1
TB20
1
J12-4
BLK
308B(+12V)
1
AO1
AO2 AO3 AO4 AO5 AO6 AO7
111111
VO
RET
VO
IO
DI1+
DI1-
1
J9
TB21
16
9
8
1
TO TB6
120VAC
1
2
310(-12V)
302A(+5V)
031-02895
(OPTIONAL)
LTC I/O BOARD
(OPTIONAL)
HEATING CONDENSER
WATER FLOW SWITCH
LD29151a