Specifications
Indoor Unit (SkyAir Models) SiBE18-821
106 Function
2. Heating
2-1 Basic operation
2-1-1 When compressor stops during drain pump ON after compressor operation started
3
min
2-1-2 When compressor stops during drain pump OFF after compressor operation started
3
min
2-2 Operations when an occurrence of drain water level abnormality
2-2-a) Behavior between occurrence and recovery of drain water level abnormality
Drain pump
ON
OFF
ON
OFF
Compressor
ON
OFF
5min20 min
5min
Compressor
ON
OFF
20 min
20 min
Drain pump
In heating operation of the unit equipped with a humidifier, when "Interlocking of drain pump /
humidifier" (15(25)-3) is set to "yes" (02), the drain pump operates 20-min OFF and 3-min ON
repeatedly during compressor is in operation.
After compressor stops, residual operation will be conducted for 5 minutes.
After compressor stops due to water level abnormality, drain pump is operated intermittenly, i.e. 5 min
ON, 5 sec OFF and 5 min ON. (*1) The intermittent operation is executed regardless of recovery of abn.
Water level during the intermittent operation. (*2) When the abn. water level can not be recovered, the
latter 5 min ON operation is continued until recovery of the abnormality. (*3) On above diagram, the
system operation in the event of a water level abnormality occurrence differs between the drain pump ON
and OFF. The details are as follows.