Setting The Master User Interface; About Setting The Master User Interface - Daikin VRV IV+ RYYQ14U7Y1B Series Installer And User Manual

8.5 Setting the master user interface

8.5.1 About setting the master user interface

RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ heat pump
4P546228-1B – 2020.10
For the following conditions, a micro computer controls the air flow direction
which may be different from the display.
Cooling
▪ When the room temperature is lower
than the set temperature.
▪ 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
d
e e
a VRV heat pump outdoor unit
b VRV direct expansion (DX) indoor unit
c BP box (required to connect Residential Air (RA) or Sky Air (SA) Direct Expansion
(DX) indoor units)
d Residential Air (RA) Direct Expansion (DX) indoor units)
e User interface (dedicated depending on indoor unit type)
Ceiling suspended units
Wall-mounted units
▪ When starting operation.
▪ When the room temperature is higher
than the set temperature.
▪ At defrost operation.
d
f f
8 Operation
|
Heating
. It may cause dew or dust to
Installer and user reference guide
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