Daikin VRV IV+ RYYQ8U7Y1B Series Installer And User Manual page 76

17 | Piping installation
Installer and user reference guide
76
Example
Example 1.3
a
b c d e
1 2 3 4
Example 2.1
r s
t
u
a b c d
A B C
h i j
1 2 3
Example 2.2
r
s
u a
c d
1 2
Example 2.3
r
u
a
b c d
1 2 3
Example 3
r
u
Indoor unit
Refnet joint
Refnet header
Outdoor multi connection piping kit
Maximum allowable length
▪ Between outdoor and indoor units (single/multi combinations)
H1
f g h i
5 6 7
8
H2
e f g
H1
D E F G
p
k l m n
4 5 6 7
8
H2
H3
t
H1
A B
b
j k
7 8
H2
e f g h
3 4 5 6
H3
t
s
H1
e f g h i
4 5 6 7
8
H2
s t
Description
Single outdoor
Branch with refnet header
Multi outdoor
Branch with refnet joint
Multi outdoor
Branch with refnet joint
and refnet header
Multi outdoor
Branch with refnet header
With standard multi layout
RYYQ+RYMQ+RXYQ
VRV IV+ heat pump
4P546228-1C – 2021.11