Daikin VRV - WII, Service Manual

Page: 146 / 312

SiUS30-604 Field Setting
Test Operation 133
3.2.6 Setting of Refrigerant Recovery Mode
When carrying out the refrigerant collection on site, fully open the respective expansion valve of
indoor and outside units
[Operation procedure]
c
In setting mode 2 with units in stop mode, set “B Refrigerant Recovery / Vacuuming mode” to
ON. The respective expansion valve of indoor and outside 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.
d
Collect the refrigerant using a refrigerant recovery unit. (See the instruction attached to the
refrigerant recovery unit for more detal.)
e
Press Mode button “BS1” once and reset “Setting Mode 2”.
3.2.7 Setting of Vacuuming Mode
In order to perform vacuuming operation at site, fully open the expansion valves of indoor and
outside units to turn on some solenoid valves.
[Operating procedure]
c
With Setting Mode 2 while the unit stops, set (B) Refrigerant recovery / Vacuuming mode to
ON. The expansion valves of indoor and outside 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.
d
Use the vacuum pump to perform vacuuming operation.
e
Press Mode button “BS1” once and reset “Setting Mode 2”.