Combining Units And Options; About Combining Units And Options; Possible Combinations Of Indoor Units - Daikin VRV IV+ RYYQ8U7Y1B Series Installer And User Manual

15 | About the units and options

15.5 Combining units and options

15.5.1 About combining units and options

15.5.2 Possible combinations of indoor units

Installer and user reference guide
56
a
i
b c
g
a VRV IV Heat pump outdoor unit
b Refrigerant piping
c VRV direct expansion (DX) indoor unit
d VRV LT Hydrobox (HXY080/125)
e BP box (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 (dedicated depending on indoor unit type)
h User interface (wireless, dedicated depending on indoor unit type)
i Cool/heat changeover remote control switch
INFORMATION
Certain options may NOT be available in your country.
NOTICE
To be sure your system setup (outdoor unit+indoor unit(s)) will work, you have to
consult the latest technical engineering data for VRV IV heat pump.
The VRV IV heat pump system can be combined with several types of indoor units
and is intended for R410A use only.
For an overview which units are available you can consult the product catalogue
for VRV IV.
An overview is given indicating the allowed combinations of indoor units and
outdoor units. Not all combinations are allowed. They are subject to rules
(combination between outdoor-indoor, single outdoor unit use, multiple outdoor
unit use, combinations between indoor units, etc.) mentioned in the technical
engineering data.
In general following type of indoor units can be connected to a VRV IV heat pump
system. The list is non-exhaustive and is depending on both outdoor unit model
and indoor unit model combinations.
▪ VRV direct expansion (DX) indoor units (air to air applications).
▪ SA/RA (Sky Air/Residential Air) direct expansion (DX) indoor units (air to air
applications). Further referred to as RA DX indoor units.
▪ Hydrobox (air to water applications): HXY080/125 series only.
▪ AHU (air to air applications): EKEXV-kit+EKEQ-box are required, depending on
application.
d c e c
f
g g
h
c
g g
4P546228-1C – 2021.11
RYYQ+RYMQ+RXYQ
VRV IV+ heat pump