1 Indoor unit
2 Attach this side of the checking pattern to the inner side of the
opening of the ceiling
3 Attach this side of the checking pattern to the lower side of the
unit
4 Attach this side of the checking pattern to the ceiling panel
5 Cheking checking pattern
6 Check the height of the ceiling at each corner of the unit
7 Check the dimension of the opening at each side of the unit
8 Attach this side of the checking pattern to the outer side of the
opening
9 Ceiling Panel
For panelled ceilings.
Once adjusted, tighten the suspension bracket nuts.
Apply a thread-locking product to the bolts and nuts to prevent them from loosening. Otherwise, abnormal noise may be
caused by mechanical vibrations and the indoor unit may become loose.
2.2.3 Accessories supplied with the air panel: P-N23WAM
Check that the following accessories are supplied with the unit.
N O T E
Please contact your HITACHI distributor if any of the accessories has not been supplied with the unit.
Accessory Appearance Quantity Purpose
Long bolt (M5)
4 For panel îš¿xing.
2.2.4 Air panel installation
C A U T I O N
Take care while the air panel is unpacked and protect it by placing it on insulating or soft material so as not to
scratch the sealant insulation.
Location of the suspension brackets
Make sure the suspension brackets on the indoor unit are
approximately 90 mm in height above the false ceiling.
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