ESIE10-01 Alarms and Events
Part 3 – Troubleshooting 3–49
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1.5.4 High Condenser Pressure - Unload
Event description (as shown on screen): CondPressHighUnloadN.
Trigger: While the compressor is running and unit mode is Cool, if saturated condenser temperature
is higher or equal to High Saturated Condenser Unload Value, the event is triggered.
Action Taken: Unload the compressor by decreasing the capacity by one step every 5 seconds until
the evaporator pressure rises above the High Condensing Pressure Unload set point.
Reset: While still running, the event will be reset if saturated condenser temperature drops below the
High Saturated Condenser Unload Value - 5°C. The event is also reset if the unit mode is switched to
Ice, or the circuit is no longer in the run state.
HP Switch
unit switched off by
HP switch
load down area
hold capacity area
21.5 b
Down Cond.
18.5 b
P Hold Cond.
17.5 b
HP (bar)
Time
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