Component Application Charts - Bosch ACS 753 Repair Instructions

A/c service unit
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ACS 753, ACS 763, ACS 863 Service Manual

COMPONENT APPLICATION CHARTS

NOTES FOR COMPONENT APPLICATION CHARTS
1. Tank Fill Process: The output state of the Recover solenoid is controlled to maintain 2.4 bar
(35 psi) in the accumulator.
2. Recover Process: The output state of the recover solenoid is controlled to maintain 0.55 bar
(8 psi) to 4.27 bar (62 psi) max. in the accumulator. The output state of the oil return solenoid
is initially activated for three seconds, and reactivated every 10 minutes thereafter depending
on the length of the recovery process.
3. Deep Recover Process: The output state of the oil return and recycle solenoids are controlled
to maintain 0 to 207 mbar (3 psi) in the accumulator.
4. Vacuum Process: The unit may purge air or tank fill in the background of the vacuum process.
5. Recycle/Power Charge Process: If the unit does not complete a full charge, the compressor
and recycle solenoid, cycle to build tank pressure.
Manifold Component Application Chart, ACS 753, ACS 763 and ACS 863
Function
Component
Air Purge solenoid (S1)
Oil Inject 1 (PAG)
solenoid (S2)
Oil Drain solenoid (S3)
Low-Side Inlet solenoid
(S4)
High-Side Inlet solenoid
(S5)
High-Side Charge
solenoid (S6)
Low-Side Charge
solenoid (S7)
Recycle solenoid (S8)
Vacuum solenoid (S9)
Recover solenoid (S11)
Deep Recover solenoid
(S12)
Oil Return solenoid (S13)
Oil inject 2 (POE)
solenoid (S14)
Dye solenoid (S15)
Identifier solenoid (S17)
N2H2 inlet solenoid (S19)
N2H2 vent solenoid (S20)
Tank liquid solenoid (S22)
Legend
Robert Bosch GmbH
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SP00D00609
2018-03-26
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