Hitachi RCI-3.0FSN3 - 1.3 SAFETY; 1.3.1 Symbols used; 7 UNIT INSTALLATION; 7.1 PRELIMINARY CONDITIONS FOR POSITIONING OF OUTDOOR UNIT

TC-12001
2-43
4-WAY CASSETTE
P5414946-rev.1
13
(b) For Ceiling Opening already Completed
When the opening is already completed,
cut off the checking scale for the
dimension of opening and adjust the
clearance between the indoor unit and the
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(c) For Opening of Existing Ceiling not
Completed yet
When installing the indoor unit to the
existing ceiling not completed, open
the false ceiling surface by adjusting
the outline of the pattern board (The
outline dimension of the pattern board
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the position of the indoor unit as the
procedure (b) after hooking-up the indoor
unit.
(d) Ceiling Not Completed with Panels yet
When the false ceiling is not completed
yet, attach the pattern board to the indoor
unit with the screw (M6), as shown in the
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unit as the procedure (b) after ceiling is
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(3) Tighten the nuts of the suspension brackets
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LOCK-TIGHT paint to the bolts and nuts in
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adjusting the space between the indoor
unit and the ceiling surface, maintain the
levelness of the indoor unit. If the levelness
is not maintained, it may cause a malfunction
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Attach the scale to the
bottom side of the unit.
Attach the scale to the
face of ceiling.
Checking Scale for
Dimension of Opening
Check the dimension of opening
at each side.
Adjust the height of the ceiling
and the unit at each corner.
Pattern Board
Dimension for
Opening
Dimension for
Opening
Suspension Bolt
Indoor Unit
Screw (M6)
Ceiling Surface
Pattern Board
Level
Drain Pipe
Vinyl Tube
Check the levelness of
4 corners at the unit by
taking a level or pouring the
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Pattern Board
Dimension for Opening
Dimension for Opening