Daikin ERSQ 011AAV1 Service Manual page 71

ESIE09-08
In heating operation [R-134a]
Low pressure limited
Pe>0.28MPa
within 10 min.
After 15 sec.
after defrost
INV max upper limit
frequency :
3-step up from current
compressor frequency
Function
Low pressure not limited
Pe<0.17MPa
INV upper limit frequency :
3-step down from current
compressor frequency
Pe<0.17MPa After 10 sec.
Current step limited
Pe>0.20MPa After 15 sec.
INV upper limit frequency :
1-step up from current
compressor frequency
Pe<0.7bar
Low pressure
standby
Pe: LP pressure sensor detection value
Pe>0.23MPa
and
Max INV freq = max RPS for each HP
When occurring 3 times within 30 min.,
the malfunction code "E4" is output.
Protection Control
Pe<0.13MPa
INV = 20 RPS
After 10 sec.
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