Hitachi RCIM-1.0FSN Installationsanleitung Seite 7

False Ceiling Opening
Cut out the area for the indoor unit in the false ceiling and
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install suspension bolts, as shown below:
Dimension of Opening: 660
Dimension of Suspension
Piping Connection Side
Check to ensure that the ceiling is horizontally level,
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otherwise drain water can not flow.
Strengthen the opening parts of the false ceiling.
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2.1.3. INSTALLATION
Mounting of Suspension Bolts
Mount the suspension bolts, as shown.
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For concrete slab:
150 to 160mm
Steel
For steel beam:
I-Beam
Mounting of Indoor Unit
Mount the nuts and the washers to the suspension bolts.
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Put the washer so that the surface with insulation faces
downwards as shown below:
Suspension Bolts (Field-Supplied)
Nut (Field-Supplied)
Washer with insulation (Accessory)
Suspension Bracket (Attached Indoor Unit)
Washer (Accessory)
Nut (Field-Supplied)
Surface of Ceiling
Consider piping connection side before lift indoor unit.
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Lift the indoor unit by hoist, and do not put any force on
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the drain pain.
(mm)
Unit size: 570
4-Positions of
Suspension Bolts
Bolts: 530
Optional Panel
Drain Piping
Connection Side
Insert (100 to 150Kg)
I Concrete
Anchor Bolt (W3/8 or M10)
Suspension Bolt
(W3/8 or M10)
(mm)
Aprox.45
UNITS INSTALLATION
Secure the indoor unit using the nuts and washers.
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Suspension bolts (4)
Suspension Bracket
NOTE:
If a false ceiling has already been installed, complete all
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piping and wiring work inside the ceiling before hooking-
up the indoor unit.
Secure the indoor unit using the nuts and flat washers.
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Space Adjusting Between Indoor Units and
False Ceiling Opening
Check the level of the drain pan by a water level to avoid
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incorrect operation of the drain discharge mechanism in
the indoor unit.
Tighten the nuts of the suspension brackets after the
-
adjustment is completed. Apply LOCK-TIGHT paint to the
bolts and nuts in order to prevent them from loosening. If
not done, abnormal noises or sounds may occur and the
indoor unit may come loose.
Adjust the indoor unit to the correct position by checking
-
with the pattern for installation.
Indoor Unit
1. For ceiling already completed with panels.
Attach this side of the scale to the inner
side of the opening of the ceiling
Indoor Unit
Attach this side
of the scale to
Ceiling
the outer side
panel
of the unit
Checking
Scale
Check the dimension
of opening at each
side of the unit
2
3
Electrical Box
Attach this side of the scale to the
lower side of the unit
Indoor Unit
Attach this side of
the scale to the
ceiling Panel
Checking
Scale
Check the height of the
ceiling at each corner of
the unit