Periodic Leak Test - Bosch ACS 753 Repair Instructions

Plumbing and Mechanical
ACS 753, ACS 763, ACS 863 Service Manual
PERIODIC LEAK TEST (R1234yf only)
During the periodic leak test process the circuit is pressurized. The unit activates the high side charge, low side
charge, high side inlet, low side inlet, recycle, oil return, recover solenoids to check any pressure decay.
Figure 4-23. Periodic Leak Test
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Robert Bosch GmbH SP00D00609 2018-03-26