Daikin EWYQ230DAYN [389/524] Discharge gas safety

Daikin EWYQ180DAYN [389/524] Discharge gas safety
ESIE06-05 Functional Control for a Standalone Unit
Part 2 – Functional Description 2–163
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3.19 Discharge gas safety
Introduction The discharge gas safety is used to protect the compressor.
Activation
When the discharge gas temperature gets above the “START CONTROL (°C)” till the discharge
temperature drops below STOP CONTROL (°C).
Action
Open EV (Electric expansion valve) with CONTROL EEV(PLS) every sampling time 10 sec.
Reset
Reset if discharge gas temperature becomes less than “RESET TO NORMAL” value or discharge gas
super heat becomes 25°C or less, return to the normal EV control.
Remarks : If 2 compressors are operated per circuit, Judge the one with the highest discharge gas
temperature for EV opening, and to return to normal EV control, judge on the one with the lowest gas
temperature.

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