LG ATNH24GPLE2 User Manual page 79

SINGLE ZONE
3. Installation of indoor unit
3) Indoor unit drain piping
• Drain piping must have downward (1/50 to 1/100): be sure
not to provide up-and-down slope to prevent reverse 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 32mm(1-1/4inch).
Piping material: Polyvinyl chloride pipe
25(31/32)mm(inch) and pipe fittings
1/50~
1/100
MAX
800(31-1/2) mm(inch)
• Be sure to install heat insulation on the drain piping.
Heat insulation material: Polyethylene foam with thick-
ness more than 10(13/32)mm(inch).
4) Drain test
Feed water
Drain pump
Drain pan
Upward
routing
not allowed
Flexible drain hose
(Accessory)
Main
drain pipe
Drain
port Glue the joint
Drain hose connection
use the clip (Accessory)
Flexible drain hose
• TP/TM Chassis
The decoration panel has its installation
direction.
Before installing the decoration panel, always
remove the paper template.
1. Temporarily fix two decoration panel fixing screws
(hexagon M5 screw) on the unit body. (Tighten by
amount 10mm(13/32inch) in length.)
The fixing screws (hexagon M5 screw) are included
the indoor unit box.
2. Remove the air inlet grille from the decoration panel.
(Remove the hook for the air inlet grille cord.)
3. Hook the decoration panel key hole (
screws fixed in step above, and slide the panel so that
the screws reach the key hole edge.
4. Retighten completely two temporarily fixed screws and
other two screws. (Total 4 screws)
5. Connect the louver motor connector and display con-
nector.
6. After tightening these screws, install the air inlet grille
(including the air filter).
Air conditioner unit
Piping side
Decoration panel fixing screws
(hexagon M5 screws)
Temporally fitting at 2 places
(Tightening about 10mm)
Decoration panel
Decoration panel fixing screws Decoration panel fixing screws Decoration panel fixing screws
(Hexagon M5 screw) (Hexagon M5 screw) (Hexagon M5 screw)
Flexible drain hose
Inlet Grille
Heat pump 60Hz/R410A
) on the
Control box cover
Louver motor
Display
Lead wire for
louver motor and
display
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