INS-73
DUAL, TRIPLE, POKER DC Inverter : 4. Installation
Multi Liberty
DC Inverter
4.3 Panel or air inlet grille of Indoor Unit
Installation of panel or air inlet grille:
Eventual installation of an air inlet plenum:
Installation of air inlet filter (polypropylene net type) provided with Indoor Unit:
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On Indoor Unit’s air inlet side, a panel or an air inlet grille of commercial type must be installed, as it is not
provided with Indoor Unit. The grille or the panel must be installed perfectly in contact with false ceiling, to
avoid air pockets, condensation phenomena and dripping of water inside the room.
It is always needed to install an air filter (polypropylene net type, provided with Indoor Unit) on Indoor Unit’ s
air inlet, so as to prevent dust and foreign matters from entering Indoor Unit and reaching heat exchanger
and/or fans.
If there is an air inlet plenum, the air filter is immediately visible after removing air inlet panel. If there is no
air inlet plenum, air filter is placed in contact with Unit’s body directly.
According to false ceiling’s height, it could be necessary to interpose an air inlet plenum between the Unit’s
body and the panel or between the Unit’s body and the air inlet grille.
The panel of the air inlet grille must be fixed by screws or bolts on Unit’s body (without air inlet plenum) or
on air inlet plenum.
Air inlet panel
(commercial type)
Polypropylene net type air filter
(installed on Unit’s body)
Unit’s body