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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
Service
door
access
door
Drain piping connection
•
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 specifica-
tions indicated in chapter
Drain Piping
8
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
Piping connection
Clearance:
10-20mm
Unit high
in false ceiling
A(mm)
248
298
PMML0280A rev.1 - 09/2014
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
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 150Kg)
150 to 160mm
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 fa-
ces 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.
Unit size: 840
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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