Fujitsu AOHG12LALL Installation Manual Download Page 12

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6.1. Wiring system diagram

Connection cable to outdoor unit or BRANCH BOX

INDOOR UNIT

OUTDOOR UNIT or

BRANCH BOX

TERMINAL

Type 60245 IEC57

Cable size 1.5 mm

(Inter-unit)

Power lines

Grounding line

Power line

Control line

Please connect it to

the specified terminal.

Wired remote controller cable

*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,

branch box terminal board connections firmly with the terminal board screws. Faulty

connection may cause a fire.

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,

branch box and indoor units terminal board numbers as shown in terminal label.

Earth both the indoor and outdoor, branch box units by attaching a earth cable.

Unit shall be grounded in compliance with the applicable local and national cables.

CAUTION

Be sure to refer to the above diagram for do correct field wiring. Wrong wiring causes

malfunction of the unit.

Check local electrical rules and also any specific wiring instructions or limitation.

6.2. Connection cable preparation

Keep the earth wire longer than the other wires.

Power supply cable

or connection cable

30mm

Earth wire

• Use a 4-core wire cable.

6.3. Connection of wiring

(1) Remove the control box cover from the control box.

Screw

Control box cover
Remove the 4 screws

and remove the control

box cover from the

control box.

(2) Cable connection

• C

onnect the connection cable to the terminal board.

• Connect the remote controller cable to the terminal board.

• Fix the remote controller cable to the control box cover with a nylon clamp.

Remote controller cable

1: Red

2: White

3: Black

Earth

Binder (Medium)

(Accessories)

Power supply cable

Binder (Medium)

(Accessories)

Remote controller cable

Power supply cable

9374815173-04_IM.indb 11

9/21/2011 1:45:24 PM

Summary of Contents for AOHG12LALL

Page 1: ...zzato ΕΓΧΕΙΡΙΔΙΟ ΕΓΚΑΤΑΣΤΑΣΗΣ Για εξουσιοδοτημένο προσωπικό σέρβις MANUAL DE INSTALAÇÃO Apenas para técnicos autorizados РУКОВОДСТВО ПО УСТАНОВКЕ Для уполномоченного персонала KURULUM KILAVUZU Yetkili servis personeli içindir INSTALLATION MANUAL AIR CONDITIONER INDOOR UNIT Duct Type 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 ά k I v η λ λ E s ê u g u t r o P h s i l g n E e ç k r ...

Page 2: ...l and base size were changed Vacuum pump A conventional vacuum pump can be used by installing a vacuum pump adapter Gas leakage detector Special gas leakage detector for HFC refrigerant R410A 1 SAFETY PRECAUTIONS Be sure to read this Manual thoroughly before installation The warnings and precautions indicated in this Manual contain important information pertaining to your safety Be sure to observe...

Page 3: ...ALLATION WORK 3 1 Selecting an installation location Especially the installation place is very important for the split type air conditioner because it is very difficult to move from place to place after the first installation WARNING Select installation locations that can properly support the weight of the indoor Install the units securely so that they do not topple or fall CAUTION Do not install ...

Page 4: ... mm or more Inlet air Inlet air Strong and durable ﬂoor Strong and durable ﬂoor 10 mm or less Right side PIPE side Right side PIPE side Grille Duct Grille Strong and durable ﬂoor 3 3A Installation the unit Ceiling concealed type WARNING Install the air conditioner in a location which can withstand a load do at least 5 times the weight of the main unit and which will not amplify sound or vibration ...

Page 5: ...utlet side Inlet side 7000 9000 12000 14000 BTU h 18000 BTU h A 650 mm 850 mm B P200 2 400 mm P200 3 600 mm CAUTION Be sure to install the air inlet grille and the air outlet grille for air circulation The correct temperature cannot be detected Grills must be fixed so that man cannot touch indoor unit fan and exchanger and cannot be removed by only hand operation without tool Be sure to install th...

Page 6: ...d the dew condensation Make sure to insulate between ducts and walls if metal ducts are used Please explain handling and washing methods of locally purchased materials to the customer To prevent people from touching the parts inside the unit be sure to install grilles on the inlet and outlet ports The grilles must be designed in such a way that cannot be removed without tools When connecting the d...

Page 7: ...electing the pipe material CAUTION Do not use existing pipes Use pipes that have clean external and internal sides without any contamination which may cause trouble during use such as sulfur oxide dust cutting waste oil or water It is necessary to use seamless copper pipes Material Phosphor deoxidized seamless copper pipes It is desirable that the amount of residual oil is less than 40 mg 10 m Do ...

Page 8: ...e careful not to collapse them Do not bend the pipes in an angle more than 90 When pipes are repeatedly bend or stretched the material will harden making it difficult to bend or stretch them any more Do not bend or stretch the pipes more than 3 times CAUTION To prevent breaking of the pipe avoid sharp bends If the pipe is bent repeatedly at the same place it will break 4 3 3 Pipe connection CAUTIO...

Page 9: ... BAD Trap Observe the following procedures to construct centralized drain pipe fittings VP30 or more O D 38 mm or more Downward gradient 1 100 or more 700 mm or less WARNING Do not insert the drain piping into the sewer where sulfurous gas occurs Heat exchange erosion may occur Insulate the parts properly so that water will not drip from the connection parts Check for proper drainage after the con...

Page 10: ...o avoid space with Drain hose 1 and Hose band 2 press ﬁrmly the Drain hose insulation B 3 When drain pump is used Ceiling concealed type only 3 Drain hose insulation B Ensure there is no space When drain pump is not used Natural drainage 3 Drain hose insulation B Ensure there is no space STEP1 STEP3 Butt the insulation against the unit STEP 1 Unit Slit Press firmly Press firmly STEP 2 Slit Press ﬁ...

Page 11: ...t the same time Otherwise electric shock or fire could result Always connect the earth cable Improper 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 be operated safely and positively Connect the connection cable firmly to the terminal board I...

Page 12: ...r branch box units by attaching a earth cable Unit shall be grounded in compliance with the applicable local and national cables CAUTION Be sure to refer to the above diagram for do correct field wiring Wrong wiring causes malfunction of the unit Check local electrical rules and also any specific wiring instructions or limitation 6 2 Connection cable preparation Keep the earth wire longer than the...

Page 13: ...ct the 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 binder ...

Page 14: ...er and turn it on again Function Details 1 Filter Sign The indoor unit has a sign to inform the user that it is time to clean the filter Select the time setting for the filter sign display interval in the table below according to the amount of dust or debris in the room If you do not wish the filter sign to be displayed select the setting value for No indication Factory setting Setting description...

Page 15: ...oom 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 Indoor unit remote control...

Page 16: ...DIP SW 1 No 2 DIP SW 1 No 2 1 Normal OFF 2 Dual OFF ON 8 TEST RUN CAUTION Always turn on the power 12 hours prior to the start of the operation in order to ensure compressor protection CHECK ITEMS 1 Is operation of each button on the remote controller normal 2 Does each lamp light normally 3 Do not air flow direction louvers operate normally 4 Is the drain normal 5 Is there any abnormal noise and ...

Page 17: ...erminals Output terminal CN103 Input No Voltage terminal CN102 Wiring arrangement Binder Medium Accessories Bind with this cable 1 9 3 Remote sensor Optional parts Connection method Connection terminals Remote sensor terminal CN8 Wiring arrangement Binder Medium Accessories Bind with this cable Remove the existing connector and replace it with the remote sensor connector ensure that the correct co...

Page 18: ...t or optional parts for binder Use an accessory of optional parts for bushing Ceiling Avoid covering the air inlet with the wirings Binders Air inlet Binder Knockout hole Bushing Do not bind the power supply cable and other cables together CAUTION To protect the cable insulation after opening a knockout hole remove any burrs from the edge of the hole 10 CUSTOMER GUIDANCE Explain the following to t...

Page 19: ... Outdoor unit main PCB model information error or communication error 6 3 Inverter error 6 4 Active filter error PFC circuit error 6 5 Trip terminal L error 6 10 Display PCB microcomputers communication error 7 1 Discharge temp sensor error 7 2 Compressor temp sensor error 7 3 Outdoor unit Heat Ex liquid temp sensor error 7 4 Outdoor temp sensor error 7 5 Suction Gas temp sensor error 7 6 2 way va...

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