2
2
UNITS INSTALLATION
2.1. UNIT INSTALLATION
2.1.1. FACTORY-SUPPLIED ACCESSORIES
Accessory Qty. Purpose
Paper Pattern
(Carton Board)
1
For Adjusting Space of
False Ceiling Opening
and Position of the Unit
Cross
Recessed
Head Screws
4 For Fitting Paper Pattern
Washer with
Insulation
4
Washer (M10)
4
For Unit Installation
Drain Hose
1
Wire Clamp
2
For Drain Hose
Connection
Reducer 1
For
RCI-(4.0/5.0/6.0)FSN1E
(R410A only)
2.1.2. 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 Space
-
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 A(mm)
RCI-1.0 to 2.5HP 248
RCI-3.0 to 6.0HP 298
- Check down slope Pitch of Drain Piping is following the
specifications indicated in chapter 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.
- Strengthen the opening parts of the false ceiling.
2.1.3. INSTALLATION
Mounting of Suspension Bolts
- Mount the suspension bolts, as shown.
For concrete slab:
For steel beam:
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:
- Consider piping connection side before lift indoor unit
- Lift the indoor unit by hoist, and do not put any force on
the drain pain
- Secure the indoor unit using the nuts, washers.
Piping
Connection
Service
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