N2H2 Venting - Bosch ACS 753 Repair Instructions

Plumbing and Mechanical
ACS 753, ACS 763, ACS 863 Service Manual
N2H2 VENTING PROCESS
During the N2H2/N2 injection process (when injection is completed), the N2H2 Vent Solenoid opens to purge N2H2/
N2 trapped into the ACS inlet. Vacuum is then performed to remove any possible remained N2H2/N2 after venting.
That prevents refrigerant contamination.
Figure 4-25. N2H2 Venting
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Robert Bosch GmbH SP00D00609 2018-03-26