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P00203@x4-7300low

CHK Discharge Check Valve

refrigeration

Description

Refrigerant is leaking backwards through the Discharge Check Valve, and the unit gives an alarm only.

Activation Conditions

Refrigerant is leaking backwards through the Discharge Check Valve.

Unit Behavior

Alarm Only

Reset Conditions

Auto reset if Pretrip is started again, or Alarm may be manually reset using the display mounted keys or by turning the unit off, then back on again.

Corrective Actions

1. Pump Down Low Side: Perform pump down and check valve for leakage. Refer to Section 1.9.10. 2. Disassemble and Check Condition: Refer to Section 1.9.10.