Setting The Master User Interface; About Setting The Master User Interface; To Designate The Master User Interface (Vrv Dx And Hydrobox); About Control Systems - Daikin VRV IV+ RXYTQ8U5YF 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 (VRV DX and Hydrobox)

7.7 About control systems

Installer and user reference guide
30
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.
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
all 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
(change-over under centralised control).
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
2 user interface control system 2 user interfaces control 1 indoor unit (in case of
NOTICE
Contact your dealer in case of changing the combination or setting of group control
and 2 user interface control systems.
(change-over under centralised
(change-over under centralised control) of
Description
1 user interface controls up to 16 indoor units.
All indoor units are equally set.
group control system, 1 group of indoor units).
The unit is individually operated.
VRV IV+ heat pump for high ambient temperatures
(change-over under
RXYTQ
4P561157-1B – 2021.11