ESIE98–06A The Controller for the EUWA/Y15-30HC(Z) Chillers
Part 2 – Functional Description 2–37
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3.11 t History Menu
Reading safety info
after shutdown
Using this menu you can at all times read the information of the latest shutdowns:
■ The number of times a unit safety or circuit safety occurred
■ The unit status at the moment of the last shutdown.
Screen 1 This screen shows the unit history:
Screens 2-4 These screens show the circuit history:
Line n° Display Description
1 UNIT HISTORY: XXX x = the total number of unit shutdowns
2 REVERSE PHASE PROT.
FLOW HAS STOPPED
the unit safety: reverse phase protection or flow switch
3 INLET WATER inlet water temperature
4 AMB. ambient temperature
4 COOLING/HEATING operation mode: cooling or heating
Line n° Display Description
1 C1/C2/C3 HISTORY: XXX x = the total number of circuit shutdowns
2 OUTL. WATER outlet water temperature
3 INLET WATER inlet water temperature
4 AMB. ambient temperature
4 COOLING/HEATING/
DEFROST
operation mode: cooling, heating or defrost
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