Installation
Service Manual 71
Ceiling
CAUTION
1~3mm
Drainage hole
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)
Drainage hole
CAUTION FOR GRADIENT OF
UNIT AND DRAIN PIPING
Lay the drain hose with a downware
inclination so water will drain out.
MAX 700mm
Drain Pipe
Drain Pump
1/50~1/100
1/50~1/100
Front of view
• Alway 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.
CORRECT
• 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. Decline Installation of indoor unit is very important for the drain of the duct type air conditioner.
2. Minimum thickness of the insulation for the connecting pipe should be 5mm.
• The unit must be or declined to wards drain hose while installation.
CORRECT
INCORRECT
INCORRECT
■
Drain Piping of Ceiling Concealed Duct
Summary of Contents for ABNC186HLAA
Page 79: ...Electronic Control Device Service Manual 79 Ceiling Duct Type ...
Page 80: ...Electronic Control Device 80 Universal System Air Conditioner Ceiling Floor ...
Page 81: ...Schematic Diagram Service Manual 81 Ceiling Cassette Type Schematic Diagram ...
Page 83: ...Schematic Diagram Service Manual 83 Ceiling Duct Type BH BE Series ...
Page 84: ...Schematic Diagram 84 Universal System Air Conditioner Ceiling Floor RY 4WAY RY OUTFAN ...
Page 119: ...P No 3828A22009A Printed in Korea ...
