ENGLISH-22
Pipe work
Refrigerant pipe work
For all guide lines, specications regarding refrigerant pipe work between the indoor unit and the outdoor unit, please follow
the outdoor unit installation manual.
Gas pipe (O.D.) Liquid pipe (O.D.)
Indoor unit 15.88mm (5/8 inch) 6.35mm (1/4 inch)
Outdoor unit 15.88mm (5/8 inch) 6.35mm (1/4 inch)
Outer diameter [mm(inch)] Torque (N•m)
ø6.35 (1/4") 14~18
ø9.52 (3/8") 34~42
ø12.70 (1/2") 49~61
ø15.88 (5/8") 68~82
ø19.05 (3/4") 100~120
• When connecting the refrigerant pipes, always use 2 wrenches/spanners for tightening or loosening nuts. If not,
piping connections can be damaged.
CAUTION
Liquid pipe
Gas pipe
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