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About the units and options
Installer and user reference guide
54
RXYSQ4~6T8V/YB
VRV IV-S system air conditioner
4P482277-1B – 2020.10
16.5 Combining units and options
INFORMATION
Certain options might not be available in your country.
16.5.1 About combining units and options
NOTICE
To be sure your system setup (outdoor unit+indoor unit(s)) will work, you have to
consult the latest technical engineering data for the VRV heat pump.
The VRV IV-S 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-S.
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, combinations between indoor units, etc.)
mentioned in the technical engineering data.
16.5.2 Possible combinations of indoor units
In general following type of indoor units can be connected to a VRV 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. These indoor units
require a BP box.
▪
AHU (air to air applications): EKEXV-kit+EKEQ-box are required, depending on
application.
▪
Aircurtain (air to air applications): CYV/CAV (Biddle) series, depending on
application.
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.
16.5.3 Possible options for the outdoor unit
INFORMATION
Refer to the technical engineering data for the latest option names.
Refrigerant branching kit
Description
Model name
Refnet header
KHRQ22M29H