Setting The Master User Interface; About Setting The Master User Interface - Daikin VRV IV Q+ Series Installer And User Reference Manual

8 | Operation

8.5 Setting the master user interface

8.5.1 About setting the master user interface

Installer and user reference guide
32
Cooling
▪ When operating continuously at horizontal air flow direction.
▪ When continuous operation with downward air flow is performed at the time of
cooling with a ceiling-suspended or a wall-mounted unit, the micro computer
may control the flow direction, and then the user interface indication will also
change.
The air flow direction can be adjusted in one of the following ways:
▪ The air flow flap itself adjusts its position.
▪ The air flow direction can be fixed by the user.
▪ Automatic and desired position .
WARNING
Never touch the air outlet or the horizontal blades while the swing flap is in
operation. Fingers may become caught or the unit may break down.
NOTICE
▪
The movable limit of the flap is changeable. Contact your dealer for details. (only
for double-flow, multi-flow, corner, ceiling-suspended and wall-mounted).
▪
Avoid operating in the horizontal direction
settle on the ceiling or flap.
a
b
b
c c
a VRV replacement heat pump outdoor unit
b VRV direct expansion (DX) indoor unit
c User interface (dedicated depending on indoor unit type)
When the system is installed as shown in the figure above, it is necessary to
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.
Heating
. It may cause dew or dust to
(change-over under centralised
RXYQQ8~20U7Y1B
VRV IV Q+ series heat pump
4P546229-1A – 2020.10