Hitachi AirCore 700 Operation Installation Maintenance Manual page 17

3. Check space between ceiling and false ceiling is enough as indicated below.
4. Check the ceiling surface is flat for the air panel installation work.
5. Check down slope Pitch of Drain Piping is following the specifications indicated in chapter "5. Drain
Piping".
Opening of false ceiling
•
Cut out the area for the indoor unit in the false ceiling and install suspension bolts, as shown below.
•
Check to ensure that the ceiling is horizontally level, otherwise water can not flow.
•
Strength the opening parts of the false ceiling.
3.1.3 Installation
Mounting of suspension bolts
•
Mount suspension bolts using M10 (W3/8) as size, as shown.
Mounting of indoor unit
•
Mount the nuts and the washers to the suspension bolts. Put the washer so that the surface with
insulation can face downwards as shown below.
Unit (HP)
2.0 to 3.0
4.0 to 6.5
-12-
3. Indoor Unit Installation
A(mm)
238
288