5
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About the system
Installer and user reference guide
22
RXYTQ
VRV IV+ heat pump for high ambient temperatures
4P561157-1B – 2021.11
5 About the system
The indoor unit part of VRV IV 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.
In this chapter
5.1 System layout
e
d
c
c
b
f
a
a
VRV IV Heat pump outdoor unit
b
Refrigerant piping
c
VRV direct expansion (DX) indoor unit
d
User interface (dedicated depending on indoor unit type)
e
User interface (wireless, dedicated depending on indoor unit type)
f
Cool/Heat changeover remote control switch
