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About the units and options
Installer and user reference guide
53
RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452191-1B – 2020.10
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
Heat recovery system
k
m
e
c
k
l
e
e
e
f
h
b
a
k
l
c
c
k
k
k
j
c
e
i
k
k
c
d
1
3
2
5
4
e
g
c
a
Unit
b
Refrigerant piping
c
Branch selector unit (BS*)
d
Multi branch selector unit (BS*)
e
VRV DX indoor unit
f
Low temperature (LT) Hydrobox unit
g
Cooling only VRV indoor unit
h
High temperature (HT) Hydrobox unit
i
EKEXV kit
j
Air handling unit (AHU)
k
User interface
l
Wireless user interface
m
Water system connection
Water system
c
g
d
f
e
b
a
a
Unit
b
Connection to refrigerant system