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Refrigerant pipe installation
Installing the branch joints
Branch joints must be installed 'horizontally' or 'vertically' .
Horizontal installation
Vertical installation
NOTE
• For A~J type branch joints : Connect the branch joint to the
connection pipe with the provided reducer.
• For K~Z type branch joints : Cut the connection part of the
branch joint or the provided socket, according to the diameter
of the connection pipe, before connecting them.
CAUTION
• Install the branch joint within ±15° of the horizon or vertical line.
• Make sure that the pipe is not bent at where it is connected to
the branch joint.
• Keep a minimum straight line distance of 500mm (20inch) or
more before connecting branch joint.
Socket
Pipe
Connect to
Before branching
indoor unit
※ Install within ±15° of the horizon or vertical line.
30
English
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 30
DB68-11976A-00_IM_DVM S2 Outdoor_SA_EN_.indd 30
Over 10~15mm
(0.39~0.59inch)
Connect to other
branch joint or
After branching
indoor unit
Pipe connection
Socket
After branching
Gas side/Liquid side branch joint
Minimum
straight line
(over 500mm
(20inch))
Installing the distribution header
1 Select the reducer that fits the diameter of the pipe.
Pipe*
To outdoor unit
Socket
<Liquid side>
Pipe*
To outdoor unit
Socket
<Gas side>
※ Pipe : Separately purchased item
2 If the number of connected indoor unit is fewer than ports on
the distribution header, block the unused ports with caps.
Welding part Provided item
Connect in
Connect in
order
⑧
①
Install indoor units from largest to
smallest capacity, starting at the inlet of
the header.
<Liquid side>
Connect in
Connect in
⑧
order
①
Install indoor units from largest to
smallest capacity, starting at the inlet of
the header.
<Gas side>
NOTE
• For A~J type distribution header :
Connect the distribution header to the connection pipe with
the provided reducer.
• For K~Z type distribution headers :
Cut the provided socket, according to the diameter of the
connection pipe, before connecting it.
Provided item
Socket
Pipe*
To indoor unit
Socket
Pipe *
To indoor unit
order
Install
Case of blocking the unused distribution
header ports.
* Keep unused port from ① to avoid oil trap.
order
Install
Case of blocking the unused distribution
header ports.
* Keep unused port from ① to avoid oil trap.
Over 10~15mm
(0.39~0.59inch)
2022-09-13 오전 9:34:15
2022-09-13 오전 9:34:15
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