Daikin RWEYQ8T9Y1B Installation And Operation Manual

Also see for RWEYQ10T9Y1B: Installer and user guide Installer and user reference guide Installation and operation manual

Contents

14 TroubleshootingInstallation and operation manual33RWEYQ8~14T9V1B+RWEYQ8~14T9Y1BVRV IV water-cooled system air conditioner4P452190-1A – 2017.04CAUTIONDo not insert fingers, rods or other objects into the air inletor outlet. Do not remove the fan guard. When the fan isrotating at high speed, it will cause injury.CAUTIONAfter a long use, check the unit stand and fitting fordamage. If damaged, the unit may fall and result in injury.NOTICEDo not wipe the controller operation panel with benzine,thinner, chemical dust cloth, etc. The panel may getdiscoloured or the coating peeled off. If it is heavily dirty,soak a cloth in water-diluted neutral detergent, squeeze itwell and wipe the panel clean. Wipe it with another drycloth.13.1 About the refrigerantThis product contains fluorinated greenhouse gases. Do NOT ventgases into the atmosphere.Refrigerant type: R410AGlobal warming potential (GWP) value: 2087.5NOTICEIn Europe, the greenhouse gas emissions of the totalrefrigerant charge in the system (expressed as tonnesCO2-equivalent) is used to determine the maintenanceintervals. Follow the applicable legislation.Formula to calculate the greenhouse gas emissions:GWP value of the refrigerant × Total refrigerant charge [inkg] / 1000Please contact your installer for more information.WARNINGThe refrigerant in the system is safe and normally does notleak. If the refrigerant leaks in the room, contact with a fireof a burner, a heater or a cooker may result in a harmfulgas.Turn off any combustible heating devices, ventilate theroom and contact the dealer where you purchased the unit.Do not use the system until a service person confirms thatthe portion where the refrigerant leaks is repaired.13.2 After-sales service and warranty13.2.1 Warranty period▪ This product includes a warranty card that was filled in by thedealer at the time of installation. The completed card has to bechecked by the customer and stored carefully.▪ If repairs to the product are necessary within the warranty period,contact your dealer and keep the warranty card at hand.13.2.2 Recommended maintenance andinspectionSince dust collects when using the unit for several years,performance of the unit will deteriorate to some extent. As takingapart and cleaning interiors of units requires technical expertise andin order to ensure the best possible maintenance of your units, werecommend to enter into a maintenance and inspection contract ontop of normal maintenance activities. Our network of dealers hasaccess to a permanent stock of essential components in order tokeep your unit in operation as long as possible. Contact your dealerfor more information.When asking your dealer for an intervention, always state:▪ The complete model name of the unit.▪ The manufacturing number (stated on the nameplate of the unit).▪ The installation date.▪ The symptoms or malfunction, and details of the defect.WARNING▪ Do not modify, disassemble, remove, reinstall or repairthe unit yourself as incorrect dismantling or installationmay cause an electric shock or fire. Contact yourdealer.▪ In case of accidental refrigerant leaks, make sure thereare no naked flames. The refrigerant itself is entirelysafe, non-toxic and non-combustible, but it willgenerate toxic gas when it accidentally leaks into aroom where combustible air from fan heaters, gascookers, etc. is present. Always have qualified servicepersonnel confirm that the point of leakage has beenrepaired or corrected before resuming operation.14 TroubleshootingIf one of the following malfunctions occur, take the measures shownbelow and contact your dealer.WARNINGStop operation and shut off the power if anythingunusual occurs (burning smells etc.).Leaving the unit running under such circumstances maycause breakage, electric shock or fire. Contact your dealer.The system must be repaired by a qualified service person:If the system does not properly operate except for the abovementioned cases and none of the above mentioned malfunctions isevident, investigate the system according to the followingprocedures.Malfunction MeasureIf the system does notoperate at all.▪ Check if there is no power failure. Waituntil power is restored. If power failureoccurs during operation, the systemautomatically restarts immediately afterpower is restored.▪ Check if no fuse has blown or breaker isactivated. Change the fuse or reset thebreaker if necessary.If the system goes intofan only operation, butas soon as it goes intoheating or coolingoperation, the systemstops.▪ Check if air inlet or outlet of outdoor orindoor unit is not blocked by obstacles.Remove any obstacles and make surethe air can flow freely.▪ Check if the user interface display shows(time to clean the air filter). (Refer to"13 Maintenance and service" onpage 32 and "Maintenance" in the indoorunit manual.)

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