Daikin Super Multi Plus E-Series Service Manual page 149

Indoor Unit (SkyAir Models)
1-2 Operations when an occurrence of water level abnormality
1-2-a) Behavior between occurrence and recovery of water level abnormality
After compressor stops due to water level abnormality, drain pump is operated intermittently, i.e. 5 min ON,
5 sec OFF and 5 min ON. (*1) The intermittent operation is executed regardless of recovery of water level
abnormality during the intermittent operation. (*2) When the water level abnormality can not be recovered,
the latter 5 min ON operation is continued until recovery of the abnormality. (*3)
Water level abnormality
Drain pan
Normal
ON
Drain pump
OFF
ON
Compressor
OFF
Abnormal
Error processing
Normal
1-2-b) Behavior when the unit restarts by remote control after the water level abnormality is recovered
Water level abnormality shall be cancelled simultaneausly when the unit is turned off with remote control after
recovery of the water level abnormality. When the unit is turned on with remote control thereafter, compressor
starts operation 2 minutes later from the remote control ON. (Below diagram shows an example of the case
that the water level abnormality is recovered during the former 5 min intermittent operation.)
Water level abnormality
Drain pan
Normal
Drain pump
OFF
Compressor
OFF
Abnormal
Error processing
Normal
Remote control
OFF
Note : (1 On the whole of cooling and dry operation)
Recovery operation for drain water level abnormality does not activate when the water level can
be returned normal within A + 10 seconds.
136
Occurrence of drain water level abnormality
5min
A 10
sec sec
*2
Even though the water level
abnormality could be recovered
during intermittent operation, the
operation shall be carried out
without exception.
Occurrence of drain water level abnormality
5min
A 10
sec sec
ON
ON
ON
Recovery of drain water level abnormality
Intermittent operation (*1)
5
5min
sec
*3
If the abnormality could not be recovered
during intermittent operation, the latter 5
min ON operation is continued until
recovery of the abnormality.
5
sec
2 min
Compressor starts operation after 2 minutes from
remote control ON.
(When 3-min standby of compressor is complete.)
Alarm indication will be turned off with the remote control
OFF operation after recovery of drain water level abnormality.
SiEN18-622
Function