Indoor Unit Installation
Installation Manual 13
ENGLISH
Ceiling
CAUTION
1~3 mm
Drainage hole
Drainage hole
U-Trap
B
C
A ≥ 70 mm
B ≥ 2C
C ≥ 2 x SP
SP = External Pressure
(mmAq)
Ex) External Pressure
= 10 mmAq
A ≥ 70 mm
B ≥ 40 mm
C ≥ 20 mm
A
Make sure to be closed.
Unit
Drainage pipe
(Local supply)
Thermal insulator
(Local supply)
Drainage hole
CAUTION FOR GRADIENT OF
UNIT AND DRAIN PIPING
Lay the drain hose with a downward
inclination so water will dr
ain out.
Front of view
• Always lay the drain with downward
inclination (1/50 to 1/100).
Prevent any upward flow or reverse flow
in any part.
• 10 mm or thicker formed thermal insulator
shall always be provided for the drain
pipe.
• Install the P-Trap (or U-Trap) to prevent
a water leakage caused by the blocking
of intake air filter.
Applied U-Trap Dimension
1. Install declination of the indoor unit is very important for the drain of the duct type air
conditioner.
2. Minimum thickness of the insulation for the connecting pipe shall be 10 mm.
• The unit must be horizontal or declined to the drain hose connected when finished
installation.
CORRECT
CORRECT
INCORRECT
INCORRECT
• Upward routing not
allowed
To Next Page
Loading...
