Std Compressor Overload Protection - Daikin RXYQ96PYDN Service Manual

Protection Control
[Inverter fin temperature control]
Tfin>183.2˚F
During the control of fin
temperature protection
INV Comp. upper limit step:
10 seconds
Tfin<177.8˚F
continues for 3 minutes
INV Comp. upper limit
8.5

STD Compressor Overload Protection

This control is used to prevent abnormal heating due to overcurrent to the compressor resulting
from failures of STD compressor such as locking.
216
Perform the following control of integrated as well as multi units for each INV compressor.
Normal operation
1-step down
Current status
maintained
step: 1-step up
Tfin>199.4˚F
Fin temperature standby
Tfin<177.8˚F
&
INV upper limit frequency=max (210Hz)
Tfin>183.2˚F
When occuring 4 times within 60 min., the
malfunction code "L4" is output.
SiUS34-801A_b
VRVIII R-410A Heat Recovery 60Hz