Service manual
ESIE03–01 General Functionality
Part 2 – Functional Description 2–19
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Detection system All applicable units use a drain pan water level detection system of the float type.
Float type: During
start-up
The time chart below illustrates the drain pump control during start-up.
Float type: During
operation (compr.
ON)
The time chart below illustrates the drain pump control during start-up.
5 min 5 min5 s
1 min 20
Water level
abnormality
Normal
ON
OFF
F
loat switch
C
ompressor
D
rain pump
E
rror processing
Abnormal
Normal
ON
OFF
5 min 5 min5 s
Water level
abnormality
Normal
ON
OFF
Float switch
Compressor
Drain pump
Error processing
Abnormal
Normal
ON
OFF