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Refrigerant pipe installation
Aͱʪʀϩ˝ϩ˵ʪѤɇθʪʒΧΧʪϑ
A˵ʪʀ˙ϩ˵ʪѤɇθ˝ϑΧθͱΧʪθцʒͱʪɇʀʀͱθʒ˝ϩͱϩ˵ʪϑϩɇʒɇθʒϑіʪ
˝ϩ˵ʪʀʪϩʪθͱ˙ϩ˵ʪΧΧ˝ɇʒϩ˝˵ϩʪϩ˵ʪѤɇθʪЇϩиϩ˵цͱЇθ˵ɇʒϑƟ˵ʪࡥϩ˝˵ϩʪϩ˵ʪѤɇθʪЇϩиϩ˵
torque wrench in a direction of the arrow indicated in below illustration.
đɇʪϑЇθʪϩͱЇϑʪʪϑϩʪθͱϩͱʀͱɇϩϩ˵ʪѤɇθʪʀͱʪʀϩͱϑʪʀϩͱ
Flare connection
section
Flare nut
Pipe
Monkey wrench
Torque wrench
Outer diameter (D, mm) Connection torque (N·m) Flare dimension (L, mm) Flare shape (mm)
Ø 6.35 ߣߦߣߪ ߪߩ߫ߣ
߫ߢঌߤঌ
ߦߧঌߤঌ
ŵߢߦߢߪ
L
D
Ø 9.52 ߥߦߦߤ ߣߤߪߣߥߤ
Ø 12.70 ߦ߫ߨߣ ߣߨߤߣߨߨ
Ø 15.88 ߨߪߪߤ ߣ߫ߥߣ߫ߩ
Ø 19.05 ߣߢߢߣߤߢ ߤߥߨߤߦߢ
࡛Blowing Nitrogen gas should be done when welding the pipe.
࡛đɇʪϑЇθʪϩͱЇϑʪϩ˵ʪΧθͱЭʒʪʒѤɇθʪЇϩ
࡛Make sure that there are no cracks or twisted part when you need to bend the pipe.
࡛Uͱͱϩ˙ɇϑϩʪϩ˵ʪѤɇθʪЇϩиϩ˵ʪуʀʪϑϑЭʪϑϩθʪ˝ϩ˵
࡛ŵࣛߦߣߢϑɇ˵˝˵ΧθʪϑϑЇθʪθʪ˙θ˝ʪθɇϩɇʒϩ˵ʪθʪϑɇθϑͱ˙θʪ˙θ˝ʪθɇϩʪɇɇ˝ʪ˙ϩ˵ʪѤɇθʪ
ʀͱʪʀϩͱϑͱϩʀͱɇϩʪʒиϩ˵ʪϑϩʪθͱƟ˵ʪθʪ˙ͱθʪࡥɇΧΧцʪϑϩʪθͱϩͱʀͱɇϩϩ˵ʪѤɇθʪʀͱʪʀϩͱɇθʪɇ
CAUTION
Pipe installation for an outdoor unit
1. Direction of the pipe
Refrigerant pipe can be withdrawn from the front, left and right
side. Take necessary method to install the pipes according to the
condition of the installation site.
Front side connection
Right side
connection
Left side
connection