10
Installation Procedure
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Indoor unit
Ceiling
For the recessed installation
of the square panel: 11.5 mm (0.45 in.)
For the recessed installation
of the circular panel: 41.5 mm (1.63 in.)
Gauge of
dimensions
Step 5 Purging inert gas from the
indoor unit
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Unscrew the pinch pipe at the end of each refrigerant
pipe.
Liquid side
Gas side
Insulator
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Step 6 Cutting and flaring the pipes
1
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Pipe cutter
Pipe
Oblique
Rough
Burr
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Pipe
Flare
D
A
Flare
R 0.4 to 0.8 mm
(0.016 to 0.032 in.)
D
L
90° ±2°
45° ±2°
Outer Diameter (D)
Depth (A)
Flare dimension (L)
mm
inch
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inch
mm
inch
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