Daikin VRV-WIII RWEYQ72PTJU Service Manual page 135

SiUS30-1301
3.7.5 Setting of Refrigerant Recovery Mode
When carrying out the refrigerant collection on site, fully open the respective electronic expansion valve of indoor and
condensing units
[Operation procedure]
(1) In setting mode 2 with units in stop mode, set "B Refrigerant Recovery / Vacuuming mode" to ON. The respective
electronic expansion valve of indoor and condensing units are fully opened. (H2P turns to display "TEST OPERATION"
(blinks), "TEST OPERATION" and "IN CENTRALIZED CONTROL" are displayed on the remote controller, and the
operation is prohibited.
(2) Collect the refrigerant using a refrigerant recovery unit. (See the instruction attached to the refrigerant recovery unit for
more detail.)
(3) Press Mode button "BS1" once and reset "Setting Mode 2".
3.7.6 Setting of Vacuuming Mode
In order to perform vacuuming operation at site, fully open the electronic expansion valves of indoor and condensing units
to turn on some solenoid valves.
[Operating procedure]
(1) With Setting Mode 2 while the unit stops, set (B) Refrigerant recovery / Vacuuming mode to ON. The electronic
expansion valves of indoor and condensing units fully open and some of solenoid valves open.
(H2P blinks to indicate the test operation, and the remote controller displays "Test Operation" and "In Centralized
control", thus prohibiting operation.)
After setting, do not cancel "Setting Mode 2" until completion of Vacuuming operation.
(2) Use the vacuum pump to perform vacuuming operation.
(3) Press Mode button "BS1" once and reset "Setting Mode 2".
Field Setting
Field Setting from Condensing Unit
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