Daikin VRV 5-S - Page 152

22 | Commissioning
Installer and user reference guide
152
RXYSA8~12AMY1B
VRV 5-S system air conditioner
4P752782-1A – 2024.02
Code Description
Indicates an indoor unit is not compatible with this
function.
1 Only a single port SV unit (SV1A) is used in the setup.
2 Only a single port or a combined single port in the
multi SV unit (SV4~8A) is used in the setup
4 Check the results on the outdoor unit 7‑segment display.
Completion Description
Normal completion " " on the 7‑segment display.
Abnormal completion Indication of malfunction code on the 7‑segment display.
Refer to "22.6.2Correcting after abnormal completion of
the test run"[4150] to take actions for correcting the
abnormality. When the check is fully completed, normal
operation will be possible after 5 minutes.
In case group control is implemented over multiple branch ports of the same SV
unit, it is not possible to directly use the built-in automatic check.
c c c
d
a
b
a Outdoor unit
b SV unit
c Indoor unit
d Remote controller
Refrigerant piping
User interface wiring
To be able to execute the built-in connection check it is required to connect a
spare remote controller to the other branch ports. Each branch port needs a
dedicated remote controller for the built-in automatic connection check to
function.
c c c
e
a
b
d
a Outdoor unit
b SV unit
c Indoor unit
d Remote controller
e Spare remote controller
Refrigerant piping
User interface wiring
After successful completion of the check, the spare remote controller can be
removed, and the group control can be restored as wanted. In case group control
is limited to single branch ports no extra actions are needed.
In case of miswiring between two different SV units, it is not possible to detect a
misconnection during the check.
c c c
e
a
b1 b2
d d