17. Hydraulic Circuit Diagram - Bosch ACS 751 Repair Instructions

en 38 | ACS 751/651 | Hydraulic circuit diagram

17. Hydraulic circuit diagram

Applicable
only for
Y10
POE option
OI
LC3
POE
PAG POE
Y13
CV8
OIL OIL
HP
COUPLING
B5
HIGH
Y4
VISO
CV6
M1
VACUUM PUMP
Y5
HL
LOW
Y6
LP
LP
COUPLING
459877_73Nkv
Fig. 35: Hydraulic circuit diagram
i
"LC" denotes a "scale". For example, "LC-OI" represents the scale for fresh oil.
Actuator name Description
CTRL Entry to internal tank
CX Compressor
CXOL Compressor oil return
FA Fan
HL Connection from LP to HP
HPS High pressure switch
IN Entry to liquefier
LP Entry through LP hose
OD Oil drain
OI Oil recharge
PRIN Passage for clearing
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1 689 975 223 2013-10-21
Y11
UV
LC4
B4
CV7
UV DYE
CHARGE
IN
HEATED
SUCTION
ACCUMULATOR
PT3
OD
LC2
CV4
Y7
PRIN
Y2
RE
CV5
L V
B8
TEMP
SENSOR
LC1
B6
PT1
COMBO
FILTER
Y12
B2
OIL DRAIN
Y8
PUR
ORIFICE
To atmosphere
PT2
B7
INTERNAL
CYLINDER
B1
Actuator name Description
PTA/PSA Pressure sensor for accumulator
PTT/PST Pressure sensor for internal refrigerant bottle
PTV/PSV Pressure sensor for vacuuming
PU Air purge on internal refrigenrant bottle
RE Connection between internal re-
frigerant bottle and manifold
UV UV-dye recharge
VC Vacuumpump
VISO Connection between vacu-
um pump and manifold
B9
SS
OIL
SEPARATOR
CV2
M2
COMPRESSOR
Y9
M3
CXOL
FAN
CTRL
CV3
Robert Bosch GmbH