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Indoor unit

3.Installation of the Indoor Unit

Drawing of pipe

Rear piping

Left Left-rear piping

Draw pipes and the drain hose, then fasten them with the adhesive tape

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

Other direction piping

Indoor/outdoor electric cable and drain hose must be bound with refrigerant piping by protecting tape.

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. Move the body from side to side to verify

its secure fixing.

In order to fix the body onto the mounting plate,hold up

the body aslant from the underside and then put it down

perpendicularly.

Heat insulation

material

Drain hose

Piping

Indoor/outdoor

electric cable

Lid for right piping

Lid for under piping

Lid for left piping

Fix with adhesive tape

Easily-demount cleaning of indoor unit

 Inlet grille can be taken down

mounting plate

Open the inlet grille,press the button of unlock in the left,then push

it out of the socket and take out the inlet grille.

Unloading of indoor unit body

When you unload the indoor unit,please use your hand to arise
the body to leave agraffe,then lift the bottom of the body outward

slightly and lift the unit aslant until it leaves the mounting plate.

agraffe

mounting plate

4

Summary of Contents for 3HUM20HA03/R2

Page 1: ...e Saddle L S with screws Connecting electric cable for indoor and outdoor Drain hose Heating insulating material Piping hole cover No Accessory parts Remote controller R 03 dry battery Mounting plate Drain hose Screw Plastic cap Drain elbow Cushion 1 1 2 3 4 5 6 7 8 2 1 1 4 1 4 1 Number of articles Accessory parts 4X25 Pipe supporting plate Arrangement of piping directions Rear left Rear right Lef...

Page 2: ...es 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 ...

Page 3: ... after installation Section of wall hole Piping hole pipe Outdoor side Thickness of wall Indoor side Wall hole 60mm 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 na...

Page 4: ...e 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 Move the body from side to side to verif...

Page 5: ...able connection never fail to fasten the connected cable with the wiring cover Note When connecting the cable confirm the terminal number of indoor and outdoor units carefully If wiring is not correct proper operation can not be carried out and will cause defect 5 A breaker should be incorporated into fixed wiring The breaker should be all pole switch and the distance between its two contacts shou...

Page 6: ...gineer Before adding additional refrigerant perform air purging from the refrigerant pipes and indoor unit using a vacuum pump then charge additional refrigerant Use the same method on indoor unit Loosen the screws on terminal block and insert the plugs fully into terminal block then tighten the screws If wiring is not correct proper operation can not be carried out and controller may be damaged I...

Page 7: ... the service port open 3 way L valve and 3 way G Turn the valve rod anticlockwise until hitting lightly To prevent the gas leakage turn the service port s cap the valve rod s cap for 3 way L valve and 3 way s G a little more than the point where the torque increases suddenly After attaching the each caps check the gas leakage around the caps CAUTION 1 If the refrigerant of the air conditioner leak...

Page 8: ...carried out Please install the drain hose so as to be downward slope without fail Please don t do the drainage as shown below Please pour water in the drain pan of the indoor unit and confirm that drainage is carried out surely to outdoor In case that the attached drain hose is in a room please apply heat insulation to it without fail Please kindly explain to our customers how to operate through t...

Page 9: ...duct is marked with this sym bol This means that electrical and electronic products shall not be mixed with unsorted household waste Do not try to dismantle the system yourself the dis mantling of the air conditioning system treatment of the refrigerant of oil and of other part must be done by a qualified installer in accordance with relevant local and national legislation Air conditioners must be...

Page 10: ...e los productos eléctricos y electrónicos no deben mezclarse con el resto de resi duos domésticos no clasificados No intente desmontar el sistema usted mismo El des mantelamiento del acondicionador de aire así como el tratamiento del refrigerante aceite y otros compo nentes debe ser efectuado por un instalador compe tente de acuerdo con las normas locales y nacionales aplicables Los acon dicionado...

Page 11: ... the additional refrigerant amount charged in the field and 1 2 the total refrigerant charge on the refrigerant charge label supplied with the product The filled out label must be adhered in the proximity of the product charging port e g onto the inside of the stop valve cover A contains fluorinated greenhouse gases covered by the Kyoto Protocol B factory refrigerant charge of the product see unit...

Page 12: ... refrigerante cargado en campo y 1 2 la carga total de refrigerante En la etiqueta de carga de refrigerante suministrada con el producto La etiqueta rellenada debe pegarse cerca de la conexión de carga del pro ducto p ej en el interior de la cubierta de la válvula de tope A Contiene los gases fluorados de efecto invernadora regulados por el Protocolo de Kioto B Carga de refrigerante de fábrica del...

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