Piping Length: Vrv Dx Only - Daikin VRV IV Installer And User Reference Manual

18 | Piping installation

18.1.6 Piping length: VRV DX only

Installer and user reference guide
74
Equivalent length of the piping accessories
Accessory
Refnet joint
Refnet header
For system only containing VRV DX indoor units:
System setup
Example
Example 1.1
a b c d
A B C D
h i j
1 2 3
Example 1.2
a
H1
c d
1 2
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
e f g p
E F G
k l m n
4 5 6 7
8
H2
i
A B
k
b
j
7 8
H2
e f g h
3 4 5 6
H1
f g h i
5 6 7
8
H2
g
e f
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
Equivalent length
0.5 m
1 m
Description
Single outdoor
Branch with refnet joint
H1
Single outdoor
Branch with refnet joint
and refnet header
Single outdoor
Branch with refnet header
Multi outdoor
Branch with refnet joint
Multi outdoor
Branch with refnet joint
and refnet header
RXMLQ8 + RXYLQ10~14T7Y1B*
VRV IV system air conditioner
4P543427-1A – 2020.10