Fujitsu 9379123037-02 Installation Insrtuctions Download

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En-8

6.1. Wiring system diagram

•

Connection cable (to outdoor unit)

Control line

Power line

Earth (Ground) line

•

Wired remote controller cable

* Earth (Ground) the remote controller

(Please connect it when necessary.)

Red
White
Black

Indoor

unit side

CAUTION

Tighten the indoor unit connection cable and power supply indoor and outdoor unit,

terminal board connections

rmly with the terminal board screws. Faulty connection

may cause a

re.

If the indoor unit connection cable and power supply are wired incorrectly, the air

conditioner may be damaged.

Connect the indoor unit connection cable by matching the numbers of the outdoor and

indoor units terminal board numbers as shown in terminal label.

Earth (Ground) both the indoor and outdoor units by attaching an earth (ground) cable.

Unit shall be grounded in compliance with the country or region's regulations.

CAUTION

Be sure to refer to the above diagram for do correct

eld wiring. Wrong wiring causes

malfunction of the unit.

Check local electrical rules and also any speci

c wiring instructions or limitation.

6.2. Connection cable preparation

Keep the earth (ground) wire longer than the other wires.

Power supply cable
or connection cable

30 mm

40 mm or more

Earth (Ground) wire

• Use a 4-core wire cable.

6.3. Connection of wiring

CAUTION

• Use care not to mistake the power supply cable and connection wires when installing.

• Install so that the wires for the remote controller will not come in contact with other

connection wires.

(1) Remove the control box cover and install each connection wire.

Control box cover

Loosen the screws
(2 locations)

(2) After wiring is complete, secure the remote controller cable, connection cable, and

power supply cable with the cable clamps.

(3) Install the control box cover.

Cable clamp

Remote controller
cable

Connection cable
(to outdoor unit)

CAUTION

• Do not bundle the remote controller cable, or wire the remote controller cable in

parallel, with the indoor unit connection wire (to the outdoor unit) and the power
supply cable. It may cause erroneous operation.

9379123037-02.indb 8

7/4/12 3:47 PM

Summary of Contents for 9379123037-02

Page 1: ... autorizzato ǼīȋǼǿȇǿǻǿȅ ǼīȀǹȉǹȈȉǹȈǾȈ īȚĮ İȟȠȣıȚȠįȠĲȘȝȑȞȠ ʌȡȠıȦʌȚțȩ ıȑȡȕȚȢ MANUAL DE INSTALAÇÃO Apenas para técnicos autorizados ɊɍɄɈȼɈȾɋɌȼɈ ɉɈ ɍɋɌȺɇɈȼɄȿ Ⱦɥɹ ɭɩɨɥɧɨɦɨɱɟɧɧɨɝɨ ɩɟɪɫɨɧɚɥɚ KURULUM KILAVUZU Yetkili servis personeli içindir h c s t u e D s i a ç n a r F l o ñ a p s E o n a i l a t I Ȑ k I v Ș Ȝ Ȝ E s ê u g u t r o P h s i l g n E e ç k r ü T ɣ ɢ ɤ ɫ ɫ ɭ Ɋ AIR CONDITIONER PART NO 937912303...

Page 2: ...ol name Contents of change Gauge manifold Pressure is huge and cannot be measured with a conventional gauge To prevent erroneous mixing of other refrigerants the diameter of each port has been changed It is recommended to use a gauge manifold with a high pressure display range 0 1 to 5 3 MPa and a low pressure display range 0 1 to 3 8 MPa Charging hose To increase pressure resistance the hose mate...

Page 3: ...can cause refrigerant leakage Area that can cause combustible gas to leak contains suspended carbon fibers or flammable dust or volatile inflammables such as paint thinner or gasoline If gas leaks and settles around the unit it can cause a fire Area where animals may urinate on the unit or ammonia may be generated Do not use the unit for special purposes such as storing food raising animals growin...

Page 4: ...ng figure to adjust the levelness B A Level meter The side A of the unit with the drain port should be slightly lower than the opposite side B of the unit The height difference between sides A and B should be from 0 to 20mm 3 3 3 Mounting the duct Follow the procedure in the following figure to install the ducts 865 850 26 295 14 325 14 27 Intake port flange Outlet port flange Unit mm Spacing betw...

Page 5: ... or less at 20 C 4 3 Flare connection Pipe connection WARNING Tighten the flare nuts with a torque wrench using the specified tightening method Otherwise the flare nuts could break after a prolonged period causing refrigerant to leak and generate a hazardous gas if the refrigerant comes into contact with a flame 4 3 1 Flaring Use special pipe cutter and flare tool exclusive for R410A 1 Cut the con...

Page 6: ... the pipes 2 Centering the pipe against port on the indoor unit turn the flare nut with your hand Flare nut Connection pipe small Connection pipe large Flare nut 3 When the flare nut is tightened properly by your hand hold the body side coupling with a separate spanner then tighten with a torque wrench See the table below for the flare nut tightening torques CAUTION Hold the torque wrench at its g...

Page 7: ...the earth leakage breaker so that the entire AC main power supply is cut off at the same time Otherwise electric shock or fire could result Always connect the earth ground cable Improper earthing grounding work can cause electric shocks Install the remote controller cables so as not to be direct touched with your hand Perform wiring work in accordance with standards so that the air conditioner can...

Page 8: ...lfunction of the unit Check local electrical rules and also any specific wiring instructions or limitation 6 2 Connection cable preparation Keep the earth ground wire longer than the other wires Power supply cable or connection cable 30 mm 40 mm or more Earth Ground wire Use a 4 core wire cable 6 3 Connection of wiring CAUTION Use care not to mistake the power supply cable and connection wires whe...

Page 9: ...connector to the front case Screws SET BACK Front case back side Rear case Connector When remote controller cable is concealed 1 Conceal the remote controller cable 2 Pass the remote controller cable through the hole in the rear case and connect the remote controller cable to the remote controller terminal board specified in figure 3 Clamp the remote controller cable sheath with the cable tie as s...

Page 10: ... few seconds until the setting value stops flashing If the setting value display changes or if is displayed when the flashing stops the setting value has not been set correctly An invalid setting value may have been selected for the indoor unit 6 Repeat steps 2 to 5 to perform additional settings Press the SET TEMP buttons and FAN button simultaneously again for more than 5 seconds to cancel the f...

Page 11: ...ection location of the room temperature can be selected from the following 2 examples Choose the detection location that is best for the installation location A Indoor unit setting factory setting The room temperature is detected by the indoor unit temperature sensor 1 When the THERMO SENSOR button is pressed the lock display flashes because the function is locked at the factory A Indoor unit B In...

Page 12: ...gain NOTE When different indoor unit models are connected using the group control system some functions may no longer be available If the group control system contains multiple units that are operated simultaneously con nect and set the units as shown below Auto changeover operates under the same mode with model unit number 00 It should not be connected to any other Gr that is not of the same seri...

Page 13: ...s No cooling No heating Has heat insulation work been completed Water leakage Does water drain easily from the indoor units Water leakage Are the wires and pipes all connected completely No operation heat or burn damage Is the connection cable the specified thickness No operation heat or burn damage Are the inlets and outlets free of any obstacles No cooling No heating After installation is comple...

Page 14: ...rror Indoor unit fan motor error Drain pump error Damper error Indoor unit error Outdoor unit main PCB model information error or communication error Inverter error Active filter error PFC circuit error Trip terminal L error Display PCB microcomputers communication error Discharge temp sensor error Compressor temp sensor error Outdoor unit Heat Ex liquid temp sensor error Outdoor temp sensor error...

Page 15: ...9379123037 02 indb 15 9379123037 02 indb 15 7 4 12 3 47 PM 7 4 12 3 47 PM ...

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