Appendix - Carrier 40MKCC Service Manual

DESCRIPTION
Control Board Input/Output Values
Temperature Sensor Values (Temperature vs. Resistance) for T1, T2, T3, T4
Temperature Sensor Values (Temperature vs. Resistance) for T5
Display Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A1
CONNECTOR
CN 1
CN 17
CN111
CN 8
CN 6
CN 33
CN 23
CN 13
CN 14
CN 5
CN 10
CN 3
CN 15
T1
T2
XT 1
XT 2

APPENDIX

APPENDIX TABLE OF CONTENTS
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Table 18 – Control Board Input/Output Value
CONTROL BOARD INPUT or OUTPUT VALUE
Live wire L1/Null line L2 Input Voltage :AC 230V
Controls 24V signal interface(R/C) Input AC 24V
Remote alarm interface Only a Contact and no voltage limit
Centralized control system Interface Output 5V DC
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Signal interface(Y/O) Output 24V AC
New fan interface Voltage :AC 230V
Connectors interface Output 5V DC
Remote switch interface Output 12V DC
Pump interface Voltage :AC 230V
Swing motor interface Output 12V DC
Water level switch interface Output 5V DC
Display board interface Output 5V DC
Motor interface Voltage :AC 230V
Room temperature sensor
Pipe temperature sensor
3 pole terminal block
5 pole terminal block
29
NUMBER
A1
A2
A3
A4
A5