Daikin VRV IV+ Service Manual page 12

1 | General operation
Indoor Units
The below illustration does not reflect allowed combinations or compatibility. The intention is to give an overview
on piping installation for different types of units.
a a
k
k
f
a VRV IV+ HR outdoor unit
b Refnet BHFQ23P for outdoor multi connection
c Refnet KHRQ23M
d Multi branch selector unit
e Refnet KHRQ22M
f VRV DX indoor unit
g Low temperature Hydrobox (HXY-A)
h Single branch selector unit
i EKEXV
j Air handling unit
k 3 pipes (high pressure gas, low pressure gas, liquid)
l High temperature Hydrobox (HXHD-A)
m 2 pipes (gas, liquid)
n 2 pipes (high pressure gas, liquid)
Service manual
12
c
k
c
k
b
k
m
e
m
m
f
c
k
k
k
d
h
m
m
m
g
g
f
n
h
m
i
m
j
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
l