Daikin Sky Air R-407C Service Manual page 200

General Functionality
1
Detection system
Float type: During
start-up
2
3
4
Float type: During
operation (compr.
ON)
5
2–20
All applicable units use a drain pan water level detection system of the float type.
The time chart below illustrates the drain pump control during start-up.
Water level
abnormality
Float switch
Normal
ON
Compressor
OFF
ON
Drain pump
OFF
Abnormal
Error processing
Normal
The time chart below illustrates the drain pump control during start-up.
Water level
abnormality
Float switch
Normal
ON
Compressor
OFF
ON
Drain pump
OFF
Abnormal
Error processing
Normal
5 min 5 s
1 min 20
5 min 5 s
ESIE02–01
5 min
5 min
Part 2 – Functional Description