Installation Manual

Installation Manual 15
Installation
ENGLISH
Indoor Unit Drain Piping
• Drain piping must have down-slope (1/50 to 1/100): be sure
not to provide up-and-down slope to prevent reversal flow.
• During drain piping connection, be careful not to exert
extra force on the drain port on the indoor unit.
• The outside diameter of the drain connection on the
indoor unit is 32 mm (1-1/8 inch).
• Be sure to install heat insulation on the drain piping.
Piping material: Polyvinyl chloride pipe inner
diometes Ø 25 mm (31/32 inch) and pipe fittings
The air conditioner uses a drain pump to drain water.
Use the following procedure to test the drain pump operation:
• Connect the main drain pipe to the
exterior and leave it provisionally until the
test comes to an end.
• Feed water to the flexible drain hose and
check the piping for leakage.
• Be sure to check the drain pump for
normal operation and noise when
electrical wiring is complete.
• When the test is complete, connect the
flexible drain hose to the drain port on the
indoor unit.
Heat insulation material: Polyethylene foam with
thickness more than 8 mm (5/16 inch).
Drain test
Maintenance
drain port
Upward
routing
not allowed
Pipe clamp
Indoor unit
1/50~1/100
Max 700mm
(27-9/16 inch)
Max 300 mm (11-13/16 inch)
Feed water
Drain Pump
Drain pan
Flexible drain hose
(accessory)
Main
drain pipe
Glue the joint
Drain
port
Drain hose connection
Use the clip (accessory)
Max 300 mm (11-13/16 inch)
1/50~1/100 slope
Hanger distance
1 m (39-3/8 inch)~15 m (590-9/16 inch)
Hanger Bracket
Max 700 mm
(27-9/16 inch)
Flexible drain hose
Insulation
Metal
clamp
Max 300 mm (11-13/16 inch)Max 300 mm (11-13/16 inch)Max 300 mm (11-13/16 inch)
The supplied flexible drain hose should not be strained. A strained hose may cause
leakage of water.
CAUTION
!