ACS 753, ACS 763, ACS 863 Service Manual
SP00D00609 2018-03-26Robert Bosch GmbH
93
Plumbing and Mechanical
Figure 4-13. Vacuum
VACUUM PROCESS
The default vacuum time is 5:00 minutes. When the vacuum process begins, the vacuum pump is activated.
After a 5 second delay, the vacuum, high side and low side inlet solenoids are also activated. When the timer reaches
0 (zero), the vacuum process will stop.
Low Side
Service Hose
Vacuum Pump
Compressor
Oil 1 Inject
Bottle
Oil Drain
Bottle
High Side
Service Hose
Injection
Manifold
Accumulator
Transducer
Deep Recover
Solenoid
HS
Gauge
Vacuum Pump
Exhaust
Filter/Drier
High Pressure
Cut ou t Swtich
Main Manifold
Pump Exhaust
Check Valve
Oil Return
Solenoid
LS Charge
Solenoid
LS Charge
Check Valve
HS Charge
Solenoid
HS Charge
Check Valve
Recycle
Solenoid
Recover Check
Valv e
Recover
Solenoid
Heat Exchanger /
System Oil
Separator
Compressor Oil
Separator
LS Inlet
Solenoid
HS Inlet
Solenoid
Vacuum
Solenoid
Oil Inject 1
Solenoid
Oil Inject 1
Check Valve
Oil Drain
Solenoid
Service Port
Low Side
Storage Port
High Side
Storage Port
ID Orifice
Refrigerant
Identifier
RI Filter
Oil Inject 2
Solenoid
Oil Inject 2
Check Valve
Dye Inject
Solenoid
Dye Inject
Check Valve
Oil 2 Inject
Bottle
Dye Inject
Bottle
LS
Gauge
ID Solenoid
Low Side
Transducer
Vapor
Liquid
Internal
Tank
Tank Liquid
Solenoid
Air Purge
Solenoid
Temp.
Sensor
Air
Dif fuser
Pressure
Relief
ISV Pressure
Transducer
Contamination
Port
Flush + N2H2 Manifold
N2H2
Dif fuser
Pressure
Relief
N2H2 Inlet
Solenoid
N2H2 Port
N2H2 Vent
Solenoid
Vapor
Check Valve