| ACX380/480 | 38 en
POWER ELECTRONIC BOARD
Item
Label
Description
Connected ( )
Unused (x)
1)
OUT X
Nitrogen test input
2)
OUT L2
Oil injection L2 electro-valve
3)
OUT T2
Nitrogen test output
4)
OUT A
Solenoid valves couple for refrigerant gas absorbing
5)
OUT R
Solenoid valves couple for refrigerant gas charging
6)
OUT L1
Oil injection L1 electro-valve
7)
OUT T1
UV dye tracer injection T1 electro-valve
8)
OUT S
Solenoid valve for exhausted oil draining
9)
OUT H
Heat exchanger fan
10)
OUT I
HP-LP solenoid interconnection valve
11)
OUT N
Solenoid valve for draining of tank’s uncondensable
gases
12)
OUT V
Vacuum pump
13)
OUT V
Vacuum solenoid valve couple
14)
OUT C
Compressor
15)
LINE
A/C power line input
16)
DGND
Ground
17)
12VDC IN
12 Volt DC input
18)
SER I/O
serial I/O interface to power board
19)
PAR I/O
parallel I/O interface (not used)
X
20)
FAN
fan connector
X
21)
EN.PAR I/O Enable parallel I/O interface (not used)
X
22)
CHGND
Ground
23)
PR.SW.
Pressure Safety Switch contact (normal closed no
polarity)
POWER SUPPLY BOARD
24)
power supply switching IN 120 VAC
25)
power supply switching OUT 12 VDC
Summary of Contents for ACX380
Page 1: ...MAHLE ACX380 480 EN Service Manual A C Service Equipment...
Page 31: ...en 31 ACX380 480 APPENDIX 1 REFRIGERANT FLUID CIRCUIT ACX380 480 H...
Page 33: ...en 33 ACX380 480 Recovery cycle H...
Page 34: ...ACX380 480 34 en Vacuum H...
Page 35: ...en 35 ACX380 480 Recharge H...
Page 45: ...MAHLE Aftermarket Italy S p A Via Quasimodo 4 a 43126 Par ma ITALY 2019 10 28...