Daikin RXYQ96PYDN Service Manual page 127

Field Settings
12.1.5 Setting of Refrigerant Recovery Mode
When carrying out the refrigerant collection on site, fully open the respective expansion valve of
indoor and outdoor units.
All indoor and outdoor unit's operation are prohibited.
[Operation procedure]
12.1.6 Setting of Vacuuming Mode
In order to perform vacuuming operation at site, fully open the expansion valves of indoor and
outdoor units and turn on some solenoid valves.
[Operating procedure]
112
In setting mode 2 with units in stop mode, set "Refrigerant Recovery / Vacuuming mode" to
ON. The respective expansion valve of indoor and outdoor units are fully opened. (H2P turns to
display TEST OPERATION (blinks), TEST OPERATION and UNDER CENTRALIZED
CONTROL are displayed on the remote controller, and the all indoor / outdoor unit operation is
prohibited.
After setting, do not cancel Setting Mode 2 until completion of refrigerant recovery operation.
Collect the refrigerant using a refrigerant recovery unit. (See the instruction attached to the
refrigerant recovery unit for more detal.)
Press Mode button "BS1" once and reset Setting Mode 2.
With Setting Mode 2 while the unit stops, set Refrigerant recovery / Vacuuming mode to ON.
The expansion valves of indoor and outdoor units fully open and some of solenoid valves open.
H2P blinks to indicate the test operation, and the remote controller displays Test Operation and
Under centralized control, thus prohibiting operation.
After setting, do not cancel "Setting Mode 2" until completion of Vacuuming operation.
Use the vacuum pump to perform vacuuming operation.
Press Mode button BS1 once and reset Setting Mode 2.
SiUS34-801A_b
VRVIII R-410A Heat Pump 60Hz