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).
• Be sure to install heat insulation on the drain piping.
4) Drain test
• TP/TM Chassis
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 ( ) on the
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).
The decoration panel has its installation
direction.
Before installing the decoration panel, always
remove the paper template.
Heat insulation material: Polyethylene foam with thick-
ness more than 10(13/32)mm(inch).
Piping material: Polyvinyl chloride pipe
25(31/32)mm(inch) and pipe fittings
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