SiEN34-705
Heat Pump / Cooling Only 50Hz (RX(Y)Q5~54P)
Installation Manual
233
5. Branching the refrigerant piping
Heed the restrictions below when installing the refrigerant branching kit and read the
installation instruction manual with the kit.
(Improper installation could lead to malfunctioning or breakdown of the outdoor unit.)
<REFNET joint>
Install the REFNET joint so it splits horizontally or vertically.
<REFNET header>
Install the REFNET header so it splits horizontally.
<Outdoor unit multi connection piping kit>
!
Install the joint horizontally so that the attached warning label faces strait up, and the tilt
is within ±15°.
(Refer to figure 18-1)
Do not install vertically.
(Refer to figure 18-2)
!
Maintain a straight portion of 500 mm or more until the split of the joint without wrapping
any onsite piping around this area.
Over 500 mm of straight area can be maintained by connecting at least 120 mm of onsite
pipe (straight) to the joint.
(Refer to figure 18-3)
Horizontal surface
±30° or less
Horizontal
Vertical
figure 16
A
A-arrow view
figure 17
B
B-arrow view
Horizontal surface
figure 18
18-1
18-2
18-3
C
D
(C-arrow view)
(D-arrow view)
Warning label
Warning label
Ground
Ground
Warning label
Warning label
±15° or less
Onsite pipe (120mm length or more)
Str
aight par
t of
500mm or more
Horizontal
surface
