Daikin FXTQ60TAVJUD Operation Manual

Contents

8 EnglishAIR HANDLERAIR HANDLER HOMEOWNER’S ROUTINE MAINTENANCE RECOMMENDATIONSWe strongly recommend a bi-annual maintenance checkup be performed before the heating and cooling seasons begin by a qualified servicer.REPLACE OR CLEAN FILTERIMPORTANT NOTE: Never operate unit without a filter installed as dust and lint will build up on internal parts resulting in loss of efficiency,equipment damage and possible fire.An indoor air filter must be used with your comfort system. A properly maintained filter will keep the indoor coil of your comfort system clean.A dirty coil could cause poor operation and/or severe equipment damage.Your air filter or filters could be located in your furnace, in a blower unit, or in “filter grilles” in your ceiling or walls. The installer of your airconditioner or heat pump can tell you where your filter(s) are, and how to clean or replace them.Check your filter(s) at least once a month. When they are dirty, replace or clean as required. Disposable type filters should be replaced.Reusable type filters may be cleaned.You may want to ask your dealer about high efficiency filters. High efficiency filters are available in both electronic and non-electronic types.These filters can do a better job of catching small airborne particles.MOTORSIndoor and outdoor fan motors are permanently lubricated and donot require additional oiling.ALUMINUM INDOOR COIL CLEANING(QUALIFIED SERVICER ONLY)This unit is equipped with an aluminum tube evaporator coil. Thesafest way to clean the evaporator coil is to simply flush the coil withwater. This cleaning practice remains as the recommended cleaning method for both copper tube and aluminum tube residential evaporatorcoils.It has been determined that many coil cleaners and drain pan tablets contain corrosive chemicals that can be harmful to aluminum tube andfin evaporator coils. Even a one-time application of these corrosive chemicals can cause premature aluminum evaporator coil failure. Anycleaners that contain corrosive chemicals including, but not limited to, chlorine and hydroxides, should not be used.An alternate cleaning method is to use one of the products listed in TP-109* to clean the coils. The cleaners listed are the only agents deemedsafe and approved for use to clean round tube aluminum coils. TP-109 is also available on the web site in Partner Link > Service Toolkit.NOTE: Ensure coils are rinsed well after use of any chemical cleaners .BEFORE YOU CALL YOUR SERVICER• Check the thermostat to confirm that it is properly set.• Wait 15 minutes. Some devices in the outdoor unit or in program-mable thermostats will prevent compressor operation for awhile,and then reset automatically. Also, some power companies willinstall devices which shut off air conditioners for several min-utes on hot days. If you wait several minutes, the unit may beginoperation on its own.• Check the electrical panel for tripped circuit breakers or failedfuses. Reset the circuit breakers or replace fuses as necessary.• Check the disconnect switch near the indoor furnace or blower to confirm that it is closed.• Check for obstructions on the outdoor unit . Confirm that it has not been covered on the sides or the top. Remove any obstruction that canbe safely removed. If the unit is covered with dirt or debris, call a qualified servicer to clean it.• Check for blockage of the indoor air inlets and outlets. Confirm that they are open and have not been blocked by objects (rugs, curtains orfurniture).• Check the filter. If it is dirty, clean or replace it.• Listen for any unusual noise(s), other than normal operating noise, that might be coming from the outdoor unit. If you hear unusualnoise(s) coming from the unit, call a qualified servicer.

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