User Manual

Electric System LEXION 500 TIC
38b-2 Lex-e-38b 03/05
38b Automatic air conditioner
Key to diagram:
Coordinates
AC Automatic air conditioner instrument lighting......................2-g-18
A6 Automatic air conditioner module .......................................2-g-18
A7 Cab fan speed controller module........................................2-g-18
B86 AC cab temperature sensor................................................2-h-17
B87 AC air discharge temperature sensor.................................2-g-18
B88 AC outside temperature sensor..........................................2-h-19
DS Diagnosis plug (63-pin) VIA................................................. 3-i-20
K24 Compressor-type air conditioner relay................................. 4-i-20
K51 Ignition lock relay ................................................................. 4-i-20
K52 Power supply relay ..............................................................4-i-20
K58 Alternator time relay............................................................. 4-i-20
M7 Cab fan motor .....................................................................2-g-18
Y32 Compressor-type air conditioner electro-magnetic clutch
solenoid coil ........................................................................2-p-17
Y109 Heater solenoid coil ............................................................2-h-19
Z22 Compressor-type air conditioner high pressure
actual value switch..............................................................2-n-17
Z23 Compressor-type air conditioner low pressure
actual value switch..............................................................2-n-17
Z74 Anti-icing device actual value switch ..................................2-g-18
Measured value table:
Item Component Measured value Remark
B86 Cab temperature
sensor
blue;
fault by flashing code in
display
B87 Air discharge
temperature
sensor
yellow;
fault by flashing code in
display
B88 Outside
temperature
sensor
20° - 97070 "
-10° - 55330 "
0° - 32650 "
10° - 19900 "
20° - 12490 "
30° - 8057 "
40° - 5327 "
50° - 3603 "
60° - 2488 "
red;
fault by flashing code in
display
K68
K75
Remote control
relay
85±7 "
20A
40A
(Pin 85 - Pin 86)
(Pin 30 - Pin 87a)
(Pin 30 - Pin 87)
Y32 Solenoid coil 3.0 A
4.0 "
Y109 Solenoid coil 0.8 A
15 "
Messrs. Konvekta