Drainage hole
U-Trap
B
C
A
≥
70mm
B
≥
2C
C
≥
2 x SP
SP = External Pressure
(mmAq)
Ex) External Pressure
=
10mmAq
A
≥
70mm
B
≥
40mm
C
≥
20mm
A
Make sure to be closed.
Unit
Drainage pipe
(Local supply)
Thermal insulator
(Local supply)
Installation of Indoor, Outdoor Unit
Installation Manual
17
• Always lay the drain with downward
inclination (1/50 to 1/100).
Prevent any upward flow or reverse flow
in any part.
• 5mm or thicker formed thermal insulator
shall always be provided for the drain
pipe.
Lay the drain hose with a downward inclination so water will drain out.
• Install the P-Trap (or U-Trap) to prevent a
water leakage caused by the blocking of
intake air filter.
Applied U-Trap Dimension
CORRECT
INCORRECT
• Upward routing not
allowed
Caution for gradient of unit and drain piping
• Drill the piping hole with 70mm dia, hole
core drill.
• Piping hole should be slightly slant to the
outdoor side.
5~7mm
Indoor
Outdoor
WALL
Содержание L5UC728FA0
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