Daikin FFA25A2VEB Installation And Operation Manual

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Daikin FFA25A2VEB Installation And Operation Manual Manual pdf 10 page image

5 InstallationInstallation and operation manual10FFA25~60A2VEBSplit system air conditioners4P456960-1 – 2017.03WARNINGALWAYS use multicore cable for power supply cables.WARNINGIf the supply cord is damaged, it must be replaced by themanufacturer, its service agent or similarly qualifiedpersons in order to avoid a hazard.5.3.1 About connecting the electrical wiringTypical workflowConnecting the electrical wiring typically consists of the followingstages:1 Making sure the power supply system complies with theelectrical specifications of the units.2 Connecting the electrical wiring to the outdoor unit.3 Connecting the electrical wiring to the indoor unit.4 Connecting the main power supply.5.3.2 Precautions when connecting theelectrical wiringINFORMATIONAlso read the precautions and requirements in thefollowing chapters:▪ General safety precautions▪ PreparationDANGER: RISK OF ELECTROCUTIONWARNINGALWAYS use multicore cable for power supply cables.WARNINGIf the supply cord is damaged, it must be replaced by themanufacturer, its service agent or similarly qualifiedpersons in order to avoid a hazard.5.3.3 Guidelines when connecting the electricalwiringTightening torquesWiring Screw size Tightening torque(N•m)Interconnectioncable(indoor↔outdoor)M4 1.18~1.44User interface cable M3.5 0.79~0.975.3.4 Specifications of standard wiringcomponentsComponent SpecificationInterconnection cable(indoor↔outdoor)Minimum cable section of2.5 mm² and applicable for230 VUser interface cable Vinyl cords with 0.75 to1.25 mm² sheath or cables(2‑core wires)Maximum 500 m5.3.5 To connect the electrical wiring on theindoor unitNOTICE▪ Follow the wiring diagram (delivered with the unit,located at the inside of the service cover).▪ For instructions on how to connect the decoration paneland the sensor kit, see the wiring instruction sheet(delivered with the unit, inside the accessory bag).▪ Make sure the electrical wiring does NOT obstructproper reattachment of the service cover.It is important to keep the power supply and the transmission wiringseparated from each other. In order to avoid any electricalinterference the distance between both wiring should always be atleast 50 mm.NOTICEBe sure to keep the power line and transmission line apartfrom each other. Transmission wiring and power supplywiring may cross, but may not run parallel.1 Remove the service cover.2 User interface cable: Route the cable through the frame,connect the cable to the terminal block, and fix the cable with acable tie.3 Interconnection cable (indoor↔outdoor): Route the cablethrough the frame, connect the cable to the terminal block(make sure the numbers match with the numbers on theoutdoor unit, and connect the earth wire), and fix the cable witha cable tie.4 Divide the small sealing (accessory) and wrap it around thecables to prevent water from entering the unit. Seal all gaps toprevent small animals from entering the system.WARNINGProvide adequate measures to prevent that the unit can beused as a shelter by small animals. Small animals thatmake contact with electrical parts can cause malfunctions,smoke or fire.5 Reattach the service cover.▪ Following installation is for pair type or multi-system. For moreinstallation options, see the Installer reference guide of the indoorunit.1~ 50 Hz220-240 Vbae1cda Interconnection cableb Power supply cablec Earth leakage circuit breakerd Fusee1 Main user interface