Daikin FMCQ50A7VEB Installation And Operation Manual

Also see for FMCQ100A7VEB: Service manual Installation and operation manual

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Daikin FMCQ50A7VEB Installation And Operation Manual Manual pdf 12 page image

Installation and operation manual9 FMCQ50~125A7VEBAir conditioning system4PW47629-1TEST OPERATIONRefer to the installation manual of the outdoor unit.The operation lamp of the remote controller will flash when an erroroccurs. Check the error code on the liquid crystal display to identifythe trouble. Refer to the installation manual attached to the outdoorunit or contact your dealer. See figure 21.MAINTENANCE■ Only a qualified service person is allowed to performmaintenance.■ Before obtaining access to terminal devices, all power supplycircuits must be interrupted.■ To clean the air conditioner, be sure to stop operation and turnthe power switch off.Otherwise, an electric shock and injury may result.■ Do not wash the air conditioner with water.Doing so may result in an electric shock.■ Be careful with scaffoldings.Caution must be exercised when working in high places.■ After a long use, check the unit stand and fitting for damage. Ifdamaged, the unit may fall and cause injury.■ Do not touch the heat exchanger fins.The fins are sharp and could result in cutting injuries.■ When cleaning the heat exchanger, be sure to remove thecontrol box, fan motor, drain pump and float switch. Water ordetergent may deteriorate the insulation of electroniccomponents and result in burn-out of these components.How to clean the air filterClean the air filter when the display shows " " (TIME TO CLEANAIR FILTER).Increase the frequency of cleaning if the unit is installed in a roomwhere the air is extremely contaminated.(As a yardstick for yourself, consider cleaning the filter once a halfyear.)If dirt becomes impossible to clean, change the air filter. (Air filter forexchange is optional.)1 Open the suction grille (See figure 20) (action 1 in theillustration).Push both levers simultaneously in the direction of the arrow asindicated in the illustration and carefully lower the grille.(Identical procedure for closing.)2 Remove the air filter (actions 2 to 4 in the illustration).Pull the air filter clip on both the bottom left and the right side ofthe filter toward you, and detach the filter.3 Clean the air filter. (See figure 22)Use vacuum cleaner or wash the air filter with water.When the air filter is very dirty, use soft brush and neutraldetergent.4 Remove water and dry in the shade.5 Install the air filter back in place (perform actions 2 to 4 in theillustration in reverse order).Attach the air filter to the suction grille by hanging it over theprojected portion above the suction grille.Press the bottom of the air filter against the projections on thebottom of the grille to snap the air filter into its place.6 Close the suction grille by performing procedure step 1 inreverse order.7 After turning on the power, press the FILTER SIGN RESETbutton.The "TIME TO CLEAN AIR FILTER" display vanishes.How to clean the suction grille(See figure 20)1 Open the suction grille (action 1 in the illustration).Refer to procedure step 1 in "How to clean the air filter" onpage 9.2 Detach the suction grille (actions 5 to 6 in the illustration).First detach the 2 strings from the pins of the decoration panel.Hold the suction grille open at 45 degrees and lift it upward tounhook it from the decoration panel.3 Remove the air filter (actions 2 to 4 in the illustration).Refer to procedure step 2 in "How to clean the air filter" onpage 9.4 Clean the suction grille.Wash with a soft bristle brush and neutral detergent or water,and dry thoroughly. See figure 23.5 Install the air filter back in place (perform actions 2 to 4 in theillustration in reverse order).6 Reattach the suction grille by performing procedure step 2 inreverse order (perform actions 5 to 6 in the illustration in reverseorder).7 Close the suction grille by performing procedure step 1 inreverse order.NOTE When performing field settings or test operationwithout attaching the decoration panel, do not touchthe drain pump. This may cause electric shock.1 Drain pumping device (built-in) drain water is removed from theroom during cooling2 Air flow flap (at air outlet)3 Air outlet4 Remote controller5 Suction grille6 Air filter (inside suction grille)CAUTIONNOTE Do not wash the air filter with hot water of more than50°C. Doing so may result in discoloration and/ordeformation.Do not expose the unit to fire. Doing so may result inburning.NOTE Do not remove the air filter except when cleaning.Unnecessary handling may damage the filter.NOTE When the suction grille is very dirty, use a typicalkitchen cleaner and let it sit for about 10 minutes.Then, wash it with water.Do not wash the suction grille with hot water of morethan 50°C. Doing so may result in discoloration and/ordeformation.