Hitachi RCI-1.5UNE1NH Installation And Maintenance Manual page 18

Take out the moulding board from the packing carton of indoor unit, do not fold it, just use it to decide an
installation location and direction of the unit on the roof and ceiling.
Press the moulding board tightly onto the surface of the roof, draw out the hole position for suspension
bolts with a pencil, then take off
It is preferable if the depth of holes just reveal the thread of the poles.
Cut an opening (A x B) on the ceiling board with assistance of the pattern board, make sure to follow
the same direction of the holes for roof bolts. Fix the edges of the opening with the " ["-shaped aluminum
bars.
Mount the attached suspending brackets with
Make sure to tighten the
outward as shown below.
Take out the suspending poles with nut on one end, mount them on the fixed suspending bracket, then
tighten the nuts and washers on top of the suspending brackets.
Fix the main unit onto the suspending poles with attached nuts and washer.
The nuts on the bottom should turn to about half of the thread length.
( Note: This task needs at least two people).
Adjust the nuts on the bottom of the suspending poles, allow the bottom of the unit 8-13mm higher than that
of the ceiling board. ( as shown in the above figure
Then adjust each corner of the bottom horizontally with a leveller.
( Levelness should be within the scope of 1/100).
the moulding board, drill 8 holes for the
suspension bolts and nuts well. The opening of
8~13mm
Installation and Maintenance
A(mm)
Model
575~590 575~590
1.5/2.0HP
suspension bolts M8X50 on the roof surface.
)
Leveller
14
suspension bolts.
B(mm)
suspension brackets should face