MAHLE AIR-NEX 9380, Service Manual

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| AIR-NEX 9380/9480 | 34 en
APPENDIX 3 – AIR-NEX 9380/9480 - ELECTRICAL CONNECTION –
LOGIC ELECTRONIC BOARD
Item label Description Connected ( ) Unused (x)
1) FAN Tachometric fan connector
2)
SER I/O serial I/O interface to power board
3)
PAR I/O parallel I/O interface (not used) X
4)
SER AUX refrigerant gas identifier serial interface optional
5)
PRN thermal printer serial interface (power and communication) optional
6)
LC Tank input load cell tank
7)
LC Dye2 input load cell dye 2
8) LC New
Oil2
input load cell new oil 2
9)
LC Dye1 input load cell dye 1
10)
LC New
Oil1
input load cell new oil 1
11)
PS Tank input pressure sensor tank
12)
LC Ex.Oil input load cell
13)
PS LP input pressure sensor LP
14)
PS HP input pressure sensor HP
15) TS Tank input temperature sensor refrigerant tank/cylinder X
16) TPSW 1 input anti-tamper switch X
17) TPSW 2 input anti-tamper switch X
18) TPSW 3 input anti-tamper switch X
19)
USB0 = USB port for BSP programming of MCU (only for production operations) X
20)
PCAP LCD touch screen interface
21)
KYB matrix keyboard interface X
22)
Lithium RTC battery CR2032 3V
23)
USB Service (only for production operations) X
24) Recovery button = programming BSP of MCU
25) LCD LCD interface
26) BKL LCD backlight supply connector