Daikin VRV - WII Service Manual page 85

Protection Control
[In heating or cooling/heating simultaneous operation] (When the outside unit heat exchanger
is used as condenser.)
Less than 3 times
within 60 min.
72
Normal operation
Compressor upper limit
Pc < 63.8psi
frequency = 216Hz
Comp. upper limit down 3 steps/10 sec.
Pe < 49.3psi
Compressor 52 Hz
Pe < 10.1psi
Low pressure standby
∗1 Pe: LP pressure sensor detection
value for each outside unit.
∗2 This frequency control is carried
out in each outside unit.
Pe > 71.0psi
Comp. upper limit up 1 step/20 sec.
Pe < 63.8psi
When occurring 4 times within 60 min.,
the malfunction code "E4" is output.
SiUS30-604
Function