Indoor Unit Installation; Initial Check - Hitachi RCI 1.0FSN3Ei/P-N23NA Manual De Instalación

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UNITS INSTALLATION

3.1 INDOOR UNIT INSTALLATION

3.1.1 Factory-Supplied Accessories
Accessory
Paper pattern
(Carton board)
Cross
recessed head
screws
Washer with
insulation
Washer (M10)
Drain hose
Wire clamp
Scale

3.1.2 Initial Check

Install the indoor unit with a proper clearance around it
paying careful attention of installation direction for the piping,
wiring and maintenance working space, as shown below.
Provide a service access door near the unit piping
connection area on the ceiling.
Service access
door
Check space between ceiling and false ceiling is enough as
indicated below.
Check the ceiling surface is flat for the air panel installation
work.
Unit HP
RCI-1.0 to 2.5HP
RCI-3.0 to 6.0HP
Check down slope Pitch of Drain Piping is following the
specifications indicated in chapter
4
PMML0253A rev.5 - 08/2016
All manuals and user guides at all-guides.com
Qty
Purpose
For adjusting space of
1
false ceiling opening and
position of the unit
4
For fitting paper pattern
4
For unit installation
4
1
For drain hose connection
2
For adjusting space of
1
false ceiling opening and
position of the unit
Service
Piping connection
access
door
Drain piping connection
Clearance:
10-20mm
Unit high
in false
ceiling
A(mm)
248
298
"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:
Dimension of Opening: 860 to 910
Unit size: 840
Dimension of Suspension
Piping
Connection
Side
Check to ensure that the ceiling is horizontally level,
-
otherwise water can not flow.
Strengthen 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.
For concrete slab:
Insert (100 to
150 to 160mm
150Kg)
Concrete
Steel
Anchor Bolt (W3/8 or M10)

Mounting of indoor unit
-
Mount the nuts and the washers to the suspension bolts.
Put the washer so that the surface with insulation can
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)
-
Consider piping connection side before lift indoor unit.
-
Lift the indoor unit by hoist, and do not put any force on
the drain pain.
Bolts: 760
4-Positions of
Suspension
Bolts
(mm)
Optional Panel
Drain Piping
Connection Side
For steel beam:
I-Beam
Suspension Bolt (w3/8
or M10)
(mm)
Surface of Ceiling

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