5
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About the system
Installer and user reference guide
22
RXYSQ4~6T8V/YB
VRV IV-S system air conditioner
4P482277-1B – 2020.10
5 About the system
The indoor unit part of this VRV heat pump system can be used for heating/cooling
applications. The type of indoor unit which can be used depends on the outdoor
units series.
NOTICE
Do NOT use the system for other purposes. In order to avoid any quality
deterioration, do NOT use the unit for cooling precision instruments, food, plants,
animals, or works of art.
NOTICE
For future modifications or expansions of your system:
A full overview of allowable combinations (for future system extensions) is available
in technical engineering data and should be consulted. Contact your installer to
receive more information and professional advice.
INFORMATION
▪
Combination of VRV DX and RA DX indoor units is not allowed.
▪
Combination of RA DX and AHU indoor units is not allowed.
▪
Combination of RA DX and aircurtain indoor units is not allowed.
In general following type of indoor units can be connected to a VRV heat pump
system (not exhaustive list, depending on outdoor unit model and indoor unit
model combinations):
▪
VRV direct expansion indoor units (air to air applications).
▪
RA direct expansion indoor units (air to air applications).
▪
AHU (air to air applications): EKEXV-kit is required.
▪
Aircurtain -Biddle- (air to air applications).
Airhandling unit connection in pair to VRV heat pump outdoor unit is supported.
Airhandling unit connection in multi to VRV heat pump outdoor unit is supported,
even combined with VRV direct expansion indoor unit(s).
For more specifications, see technical engineering data.
In this chapter
5.1 System layout
g
d
d
c
c
f
e
b
a
g
f
e
a
VRV IV-S Heat pump outdoor unit
b
Refrigerant piping
c
VRV direct expansion (DX) indoor unit