Table of Contents
SiEN34-705
7.10.4 REFNET Joints and Headers
7.10.4.1 REFNET Joints
For gas and liquid branch pipes
! Make sure that all branch pipes are fitted such that they branch either horizontally or
! When the size of the selected field piping is different from that of branch pipe then the
! When you are cutting an inlet or outlet pipe with a pipe cutter make sure that you make the
! Branch pipes must be insulated in accordance with the handbook which comes with each kit.
7.10.4.2 REFNET Header
General Information
Field piping
To outdoor unit
vertically.
connecting section should be cut with a pipe cutter as shown in the figure below.
cut in the center of the connection area.
Insulator
(included with kit)
Gas branch pipes
Field piping
Gas branch pipes
To outdoor unit
(option)
To next branch
or indoor unit
Outlet (1)
Field piping
Inlet
Outlet (2)
Gas and liquid branch pipe
(option)
Horizontal
plane
Within +/-30
degrees or vertical
Viewed from point A
in direction of arrow
Cut in center of connection area
Tape
(field supply)
Insulator or
Liquid and gas
field piping
pipe joints
Liquid branch pipes
Field piping
Field piping
To indoor unit
To outdoor unit
Appendix
Field piping
To indoor unit
Liquid branch pipes
(option)
163
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