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10.1.3.2.4 Indoor unit installation
1 Remove the front grille.
2 Remove the 7 screws.
3 Remove the upper casing (2 tabs).
4 Remove the side casings (2 tabs on each side).
5 Attach the indoor unit to the wall and secure using screws in 6 locations (M4 x 25L).
1 Use drain pan edge for horizontal projection of the indoor unit.
2 Install the indoor unit flush against wall.
10.1.3.3 Concealed installation
Only item peculiar to this installation method are given here. See Exposed installation for additional instructions.
10.1.3.3.1 Preparation
Install the unit according to the instructions below. Failure to do so may cause both cooling and heating
failure and the formation of condensation inside the house.
1 Allow enough space between the main unit and ceiling not to obstruct the flow of cool/warm air.
2 Place a partition plate between outlet and inlet sections.
3 Place a partition plate on the right side.
4 Change the upward air flow limit dipswitch.
5 Use a movable lattice at the air outlet to allow the adjustment of cool/warm air flow direction.
6 Lattice size should be 70% or more of open rate.
10.1.3.3.2 Refrigerant piping
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