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
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1 |
Remote controller |
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R-03 dry battery |
2 |
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3 |
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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 |
7 |
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Cushion |
4 |
8 |
Pipe supporting plate |
1 |
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Drawing for the installation of indoor and outdoor units
The models adopt HFC free refrigerant R410A
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Optional parts for piping |
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Parts name |
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A |
Non-adhesive tape |
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BAdhesive tape
CSaddle(L.S) with screws
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Connecting electric cable |
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for indoor and outdoor |
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Drain hose |
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FHeating insulating material
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Piping hole cover |
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Attention must be paid to |
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the rising up of drain hose |
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Arrangement of piping directions |
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Rear left |
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Left |
Rear |
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right |
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Right |
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Below |
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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.0010519568
Floor fixing dimensions of the outdoor unit (Unit:mm)
HUM09HA03/R2(DB)
HUM12HA03/R2(DB)
HUM18HA03/R2(DB)
Fixing of outdoor unit
319.5
115 |
580 |
115 |
Floor fixing dimensions of the outdoor unit (Unit:mm)
HUM22HA03/R2(DB)
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 |
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as they become low temperature in operation. |
Liquid pipe( |
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6.35mm(1/4") |
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Use optional parts for piping set or pipes covered with |
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equivalent insulation material. |
Gas pipe( |
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9.52mm(3/8") |
The thickness of the pipe must be 0.8mm at least. |
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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= 
60mm
A=135mm
30mm
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 60 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 |
60mm |
of wall |
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(Section of wall hole) 
Piping hole pipe
3
Indoor unit
3.Installation of the Indoor Unit
Drawing of pipe
Rear piping 
Draw pipes and the drain hose, then fasten them with the adhesive tape
Left 
Left-rear piping 
In case of left side piping, cut away, with a nipper, the lid for left piping.
In case of left-rear piping, bend the pipes according to the piping direction to the mark of hole for left-rear piping which is marked on heat insulation materials.
1.Insert the drain hose into the dent of heat insulation materials of indoor unit.
2.Insert the indoor/outdoor electric cable from backside of indoor unit, and pull it out on the front side, then connect them.
3.Coat the flaring seal face with refrigerant oil and connect pipes.
Cover the connection part with heat insulation materials closely, and make sure fixing with adhesive tape
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Heat insulation |
Piping |
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material |
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Drain hose |
Pipe supporting plate |
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Lid for right piping |
Lid for left piping |
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Lid for under piping pipe |
Indoor/outdoor |
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Fix with adhesive tape |
electric cable |
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Indoor/outdoor electric cable and drain hose must be bound with refrigerant piping by protecting tape.
Other direction piping
Cut away, with a nipper, the lid for piping according to the piping direction and then bend the pipe according to the position of wall hole. When bending, be careful not to crash pipes.
Connect beforehand the indoor/outdoor electric cable, and then pull out the connected to the heat insulation of connecting part specially.
Fixing the indoor unit body
Hang surely the unit body onto the upper notches of the |
mounting plate |
mounting plate. Move the body from side to side to verify |
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its secure fixing. |
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In order to fix the body onto the mounting plate,hold up |
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the body aslant from the underside and then put it down |
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perpendicularly. |
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4.Connecting the indoor/outdoor Electric Cable
Removing the wiring cover
Remove terminal cover at right bottom corner of indoor unit, then take off wiring cover by removing its screws.
4
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