Installation Manual of Room Air Conditioner
Read this manual before installation
Explain sufficiently the operating means to the user according to this manual.
Necessary Tools for Installation
1.Driver |
5.Torque wrench(17mm,22mm,26mm) |
9.Nipper |
12.Reamer |
2.Hacksaw |
6.Pipe cutter |
10.Gas leakage detector or |
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3.Hole core drill |
7.Flaring tool |
soap-and-water solution |
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4.Spanner(17,19 and 26mm) |
8.Knife |
11.Measuring tape |
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Accessory parts
No. |
Accessory parts |
Number |
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of |
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articles |
1 |
Remote controller |
1 |
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2 |
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R-03 dry battery |
2 |
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3 |
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1 |
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Mounting plate |
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4 |
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Drain hose |
1 |
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5 |
4X25 |
Plastic cap |
4 |
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Screw |
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6 |
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Drain-elbow |
1 |
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7 |
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Cushion |
4 |
Drawing for the installation of indoor and outdoor units
The models adopt HFC free refrigerant R410A
more than 5cm
Optional parts for piping |
more |
than |
10cm |
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Mark |
Parts name |
ANon-adhesive tape
BAdhesive tape
CSaddle(L.S) with screws
DConnecting electric cable for indoor and outdoor
EDrain hose
FHeating insulating material
GPiping hole cover
Arrangement of piping directions
Rear left
more |
than |
10cm |
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Attention must be paid to the rising up of drain hose
Left |
Rear |
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than |
10cm |
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more |
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right |
more |
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Right |
than |
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10cm |
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Below |
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more |
than |
15cm |
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than |
60cm |
more |
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The marks from A to G in the figure are the parts numbers.
The distance between the indoor unit and the floor should be more than 2m.
No.0010562526
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256 |
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256 |
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319.5 |
140 |
500 |
140 |
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113.5 |
583 |
113.5 |
140 |
500 |
140 |
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Floor fixing dimensions |
Floor fixing dimensions |
Floor fixing dimensions |
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of the outdoor unit |
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of the outdoor unit |
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of the outdoor unit |
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(Unit:mm) |
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(Unit:mm) |
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(Unit:mm) |
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HSU-09HSA03/R2(DB) |
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HSU-12HSA03/R2(DB) |
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HSU-22HSA03/R2(DB) |
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HSU-09HSA103/R2(DB) |
HSU-18HSA03/R2(DB) |
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HSU-12HSA103/R2(DB) |
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Fixing of outdoor unit
Fix the unit to concrete or block with bolts( 
10mm) and nuts firmly and horizontally. 
When fitting the unit to wall surface, roof or rooftop, fix a supporter surely with nails or wires in consideration of earthquake and strong wind.
If vibration may affect the house, fix the unit by attaching a vibration-proof mat.
Indoor Unit |
Selection of Installation Place Outdoor Unit |
Place, robust not causing vibration, where the body can be supported sufficiently.
Place, not affected by heat or steam generated in the vicinity, where inlet and outlet of the unit are not disturbed.
Place, possible to drain easily, where piping can be connected with the outdoor unit.
Place, where cold air can be spread in a room entirely.
Place, nearby a power receptacle, with enough space around. (Refer to drawings).
Place where the distance of more than lm from televisions, radios, wireless apparatuses and fluorescent lamps can be left.
In the case of fixing the remote controller on a wall, place where the indoor unit can receive signals when the fluorescent lamps in the room are lightened.
Place, which is less affected by rain or direct sunlight and is sufficiently ventilated.
Place, possible to bear the unit, where vibration and noise are not increased.
Place, where discharged wind and noise do not cause a nuisance to the neighbors.
Place, where a distance marked 
is available as illustrated in the above figure.
Power Source
Before inserting power plug into receptacle, check the voltage without fail. The power source is the same as the corresponding name plate.
Install an exclusive branch circuit of the power.
A receptacle shall be set up in a distance where the power cable can be reached. Do not extend the cable by cutting it.
Selection of pipe
To this unit, both liquid and gas pipes shall be insulated as they become Iow temperature in operation.
Use optional parts for piping set or pipes covered with equivalent insulation material.
The thickness of the pipe must be 0.8mm at least.
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HSU-09HSA03/R2(DB) |
HSU-12HSA03/R2(DB) |
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HSU-09HSA103/R2(DB) |
HSU-18HSA03/R2(DB) |
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HSU-12HSA103/R2(DB) |
HSU-22HSA03/R2(DB) |
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Liquid pipe |
6.35mm(1/4") |
6.35mm(1/4") |
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Gas pipe |
9.52mm(3/8") |
12.7mm(1/2") |
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2
Indoor unit
1.Fitting of the Mounting Plate and Positioning of the wall Hole
When the mounting plate is first fixed
1.Carry out, based on the neighboring pillars or lintels, a proper leveling for the plate to be fixed against the wall, then temporarily fasten the plate with one steel nail.
2.Make sure once more the proper level of the plate, by hanging a thread with a weight from the central top of the plate, then fasten securely the plate with the attachment steel nail.
3.Find the wall hole location A using a measuring tape
B=70mm |
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A=180mm |
35 |
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Find the level position
When the mounting plate is fixed side bar and lintel
Fix to side bar and lintel a mounting bar, Which is separately sold, and then fasten the plate to the fixed mounting bar.
Refer to the previous article, " When the mounting plate is first fixed ", for the position of wall hole.
2.Making a Hole on the Wall and Fitting the Piping Hole Cover
Make a hole of B mm in diameter, slightly descending to outside the wall. 
Install piping hole cover and seal it
off with putty after installation
Indoor side |
Outdoor side |
Wall hole |
Thickness |
B |
of wall |
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(Section of wall hole) 
Piping hole pipe
3
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