Daikin VRV 5 - Natural Ventilation

16 | Special requirements for R32 units
Installer and user reference guide
70
RXYSA8~12AMY1B
VRV 5-S system air conditioner
4P752782-1A – 2024.02
3 In case of two R32 safety system compatible remote controllers, at least one
remote controller should be in the room of the indoor.
e
e
c
a
b
f
e
c
a
b
4 Group control is allowed up to a maximum of 10indoor units connected to
different ports or connected to the same port. At least one R32 safety system
compatible remote controller should be in the room of the indoors.
c c
e
a
b
c c c
e
a
b
5 All indoor units under group control need to be conditioning the same room.
c c c
e
a
b
c c c
e
a
b
6 A remote controller installed at a supervised location:
▪ In room: master remote controller in fully functional OR alarm only
▪ In supervisor room: supervisor remote controller
c
e
c
e
f
g
a b
a Outdoor unit
b SV unit
c Indoor unit
d Remote controller NOT compatible with R32 safety system
e Remote controller compatible with R32 safety system
f Remote controller in supervisor mode
g Supervisor room
NOT allowed
Allowed
16.4.3 Natural ventilation
Natural ventilation is a safety measure where ventilation is made to a place where
sufficient air is available to dilute the leaked refrigerant such as a large space.
The natural ventilation safety measure can be applied by following the steps
below:
Step1 – Determine total room area, which is the total area of the space that has
natural ventilation and the space in which the indoor unit is installed: