Daikin RXYQ96PYDN Service Manual page 227

Protection Control
Pe_min<49.3psi
Pe_min<21.75psi
212
Pe_min indicates the minimum value within the system.
Normal Operation
During the control
of low pressure
protection
Single type:
Compressor step of the present
situation × 0.5
Multi type:
210Hz+OFF (upper)
Pe_min<36.25psi
Single type:
8~12HP: 52Hz+OFF (upper limit)
(6-10 Ton)
Multi type:
52Hz+OFF (upper limit)
Hot gas solenoid valve (* 1)
ON
Pe_min<10.15psi
Low pressure
standby
Pe_min>56.55psi
*1: Y4S for single system.
Pe_min>42.05psi
Y5S for multi system.
When occurring 4 times within 30 min.,
the malfunction code [E4] is output.
SiUS34-801A_b
VRVIII R-410A Heat Recovery 60Hz