Daikin VRV 5 RXYA8A7Y1B, Инструкция по установке и эксплуатации

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5 | About the system
Installer and user reference guide
28
RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 – 2023.12
NOTICE
It is NOT allowed to cool technical rooms like server rooms and data centres, where
year-round cooling is required.
5.1 System layout
Your VRV 5 heat pump series outdoor unit can be one of following models:
Model Description
RXYA8~12 Heat pump model, for single or multi-use
RXYA14~20 Heat pump model, for single use (standalone unit)
RYMA5 Heat pump model, only for multi-use and only for
standard combinations
For more information, see "15.4.3 Possible combinations of outdoor units" [
4
62].
Depending on the type of outdoor unit which is chosen, some functionality will or
will not exist. It will be indicated throughout this operation manual when certain
features have exclusive model rights or not.
INFORMATION
The following figure is an example and may NOT completely match your system
layout
a
c
d
e
g
i
f
e
c c
e
h
i
i i
b
e
j
a Heat pump outdoor unit
b Safety valve unit (SV)
c VRV direct expansion (DX) indoor unit
d VRV direct expansion (DX) indoor unit (direct connection from outdoor to indoor)
e Remote controller in normal mode
f Remote controller in alarm only mode
g Remote controller in supervisor mode (mandatory in some situations)
h Centralised controller (optional)
i Option PCB (optional)
j Cool/heat changeover remote control switch (optional)
Refrigerant piping
Interconnection and user interface wiring
Direct connection of indoor units to the outdoor unit