Functional concept ESIE05-04
2–18 Part 2 – Functional Description
Float switch
activation during
thermostat ON
1 The thermostat is immediately turned OFF.
2 The drain pump continues to operate for minimum 10 minutes (even if abnormality is solved within
the 10 minutes).
3 If the float switch closes again within 80 seconds, cooling operation can restart within the 10
minutes recovery period.
Used inputs
Float switch
Water level
abnormality
ON
OFF
Abnormal
Normal
5 min
5 min
5 s
ON
OFF
Normal
Compressor
Drain pump
Error processing
Input Connection on indoor PCB Connection on outdoor PCB
Float switch (33H) X15A —
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