SiEN34-705 Installation
General Information 27
Equivalent piping length of joints and header (Reference)
b) Brazed joints and special branches
1. General use (L bend joint, socket joint, T joint, etc.)
! Joints must meet the requirements of the relevant JIS standard. (Size, materials, thickness,
etc.)
2. Special branches
! The Daikin outdoor unit multi connection kit, REFNET joint, REFNET header or Reducing
socket should be used.
Example: R-410A RXYQ-P Series
Refer detail of DAIKIN REFNET joint and REFNET header on page 161.
(Unit: mm)
Pipe Size φ6.4 φ9.5 φ12.7 φ15.9 φ19.1 φ25.4 φ31.8 φ34.9 φ38.1 φ41.3
L Joints
0.16 0.18 0.20 0.25 0.35 0.45 0.55 0.60 0.65 0.75
REFNET Joint
0.5
REFNET Header
1.0
REFNET header
4 branches
REFNET joint
Gas pipe
(with heat insulation coating)
Liquid pipe
(with heat insulation coating)
8 branches
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