About The System; System Layout - Daikin VRV IV W+ Series Installer And User Reference Manual

5 About the system

In this chapter

5.1 System layout

RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452191-1B – 2020.10
The indoor unit part of VRV IV heat recovery system can be used for heating/
cooling applications. The type of indoor unit which can be used depends on the
outdoor units series.
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.
5.1 System layout..........................................................................................................................................................................
Heat pump system
i
b
c
a
g
j
a Unit
b Refrigerant piping
c VRV DX indoor unit
d Low temperature (LT) Hydrobox unit
e Branch selector box (BP*) (required to connect Residential Air (RA) or Sky Air (SA)
direct expansion (DX) indoor units)
f Residential Air (RA) direct expansion (DX) indoor units
g User interface
h Wireless user interface
i Cool/heat changeover remote control switch
j Water system connection
d c e c
f
g g
h
5 About the system
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c
g g
Installer and user reference guide
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