Daikin FFA50A2VEB9 Installer And User Reference Manual

16 Maintenance and serviceInstaller and user reference guide27FFA25~60A2VEB(9)Split system air conditioners4P550955-4 – 2018.08BYFQ60C90°3 Remove the air filter.BYFQ60B BYFQ60C13 323 3124 Clean the suction grille. Wash with a soft bristle brush andwater or neutral detergent. If the suction grille is very dirty, usea typical kitchen cleaner, leave it on for 10 min, then wash itwith water.5 Reattach the air filter (step 3 in reverse order).6 Reattach the suction grille and close it (step 2 and 1 in reverseorder).16.1.3 To clean the air outlet and outside panelsWARNINGDo NOT let the indoor unit get wet. Possibleconsequence: Electric shock or fire.NOTICE▪ Do NOT use gasoline, benzene, thinner polishingpowder or liquid insecticide. Possible consequence:Discoloration and deformation.▪ Do NOT use water or air of 50°C or higher. Possibleconsequence: Discoloration and deformation.▪ Do NOT scrub firmly when washing the blade withwater. Possible consequence: The surface sealingpeels off.Clean with a soft cloth. If it is difficult to remove stains, use water orneutral detergent.16.2 Maintenance after a long stopperiodE.g., at the beginning of the season.▪ Check and remove everything that might be blocking inlet andoutlet vents of indoor units and outdoor units.▪ Clean air filters and casings of indoor units (see "16.1.1 To cleanthe air filter" on page 26 and "16.1.3 To clean the air outlet andoutside panels" on page 27).▪ Turn on the power at least 6 hours before operating the unit inorder to ensure smoother operation. As soon as the power isturned on, the user interface display appears.16.3 Maintenance before a long stopperiodE.g., at the end of the season.▪ Let the indoor units run in fan only operation for about half a day inorder to dry the interior of the units. Refer to "14.2.2 Aboutcooling, heating, fan only, and automatic operation" on page 24for details on fan only operation.▪ Turn off the power. The user interface display disappears.▪ Clean air filters and casings of indoor units (see "16.1.1 To cleanthe air filter" on page 26 and "16.1.3 To clean the air outlet andoutside panels" on page 27).16.4 About the refrigerantThis product contains fluorinated greenhouse gases. Do NOT ventgases into the atmosphere.Refrigerant type: R32Global warming potential (GWP) value: 675Refrigerant type: R410AGlobal warming potential (GWP) value: 2087.5NOTICEIn Europe, the greenhouse gas emissions of the totalrefrigerant charge in the system (expressed as tonnes CO2equivalent) is used to determine the maintenance intervals.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.WARNING: FLAMMABLE MATERIALThe R32 refrigerant (if applicable) in this unit is mildlyflammable. Refer to the outdoor unit specifications for thetype of refrigerant to be used.WARNING▪ Do NOT pierce or burn refrigerant cycle parts.▪ Do NOT use cleaning materials or means to acceleratethe defrosting process other than those recommendedby the manufacturer.▪ Be aware that the refrigerant inside the system isodourless.WARNINGR410A is a non-combustible refrigerant, and R32 is amildly flammable refrigerant; they normally don’t leak. If therefrigerant leaks in the room and comes into contact withfire from a burner, a heater, or a cooker, this may result ina fire (in case of R32), or the formation of a harmful gas.Turn off any combustible heating devices, ventilate theroom, and contact the dealer from where you purchasedthe unit.Do not use the unit until a service person confirms that thepart from which the refrigerant leaked has been repaired.