ESIE09-08A Protection Control
Function 65
In heating operation [R-134a]
Pe>0.23MPa
Max INV freq = max RPS for each HP
and
After 10 sec.
After 10 sec.
Pe<0.17MPa
Pe<0.17MPa
Pe<0.7bar
Pe>0.20MPa
Current step limited
After 15 sec.
After 15 sec.
Low pressure not limited
Low pressure limited
Pe<0.13MPa
INV = 20 RPS
Pe: LP pressure sensor detection value
INV upper limit frequency :
3-step down from current
compressor frequency
INV upper limit frequency :
1-step up from current
compressor frequency
INV max upper limit
frequency :
3-step up from current
compressor frequency
Low pressure
standby
When occurring 3 times within 30 min.,
the malfunction code "E4"
is output.
Pe>0.28MPa
within 10 min.
after defrost
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