Setting The Master User Interface; About Setting The Master User Interface; To Designate The Master User Interface; About Control Systems - Daikin VRV 5 RXYA8A7Y1B Installer And User Manual

7 | Operation

7.6 Setting the master user interface

7.6.1 About setting the master user interface

7.6.2 To designate the master user interface

7.7 About control systems

Installer and user reference guide
36
a
e b
c c
d
a Outdoor unit
b SV unit
c VRV DX indoor unit
d User interface
e Direct connection to VRV DX indoor unit
When the system is installed as shown in the figure above, it is necessary to – for
each subsystem – designate one of the user interfaces as the master user
interface.
The displays of slave user interfaces show
control) and slave user interfaces automatically follow the operation mode
directed by the master user interface.
Only the master user interface can select heating or cooling mode (cooling/heating
masterhood).
1 Press the operation mode selector button of the current master user interface
for 4 seconds. In case this procedure was not yet performed, the procedure
can be executed on the first user interface operated.
Result: The display showing
slave user interfaces connected to the same outdoor unit flashes.
2 Press the operation mode selector button of the controller that you wish to
designate as the master user interface.
Result: Designation is completed. This user interface is designated as the
master user interface and the display showing
centralised control) vanishes. The displays of other user interfaces show
(changeover under centralised control).
Refer to the operation manual of the user interface.
This system provides two other control systems beside individual control system
(one user interface controls one indoor unit). Confirm the following if your unit is
of the following control system type:
Type
Group control system
b
c c
d d d
(changeover under centralised control) of all
One user interface controls up to 10 indoor
units. All indoor units are equally set.
c
d
(changeover under centralised
(changeover under
Description
RYMA5+RXYA8~20A7Y1B
4P749918-1 – 2023.12
VRV 5 heat pump