Daikin FXAQ15AUV1B Installation Manual

Also see for FXAQ15AUV1B: Operation manual

Contents

English 13• When extending the drain hose, use a commercially available drain extension hose, and be sure toinsulate the extended section of the drain hose which is indoors. (Refer to Fig. 17)• Make sure the diameter of the piping is the same as the piping (hard vinyl chloride, nominal diameter13mm) or bigger.• When directly connecting a hard vinyl chloride pipe joint (nominal diameter 13mm) to the drain hoseconnected to the indoor unit (i.e. for embedded piping, etc.), use a commercially available hard vinylchloride pipe joint (nominal diameter 13mm). (Refer to Fig. 18)(2) Make sure the drain works properly.• After drain work is complete, perform adrain check by opening the front panel,removing the air filter, pouring waterinto the drain pan, and making surewater flows smoothly out of the drainhose. (Refer to Fig. 19)CAUTION• Drain piping connectionsDo not connect the drain piping directly to sewage pipes that smell of ammonia. The ammonia in thesewage might enter the indoor unit through the drain pipes and corrode the heat exchanger.• Keep in mind that it will become the cause of getting drain pipe blocked if water collects on drain pipe.7. ELECTRIC WIRING WORK7-1 GENERAL INSTRUCTIONS• All field supplied parts and materials and electric works must conform to local codes.• Use copper wire only.• For electric wiring work, refer to also “WIRING DIAGRAM” attached to the unit body.• For remote controller wiring details, refer to the installation manual attached to the remote controller.• All wiring must be performed by an authorized electrician.• This system consists of multiple indoor units. Mark each indoor unit as unit A, unit B..., and be sure theterminal board wiring to the outdoor unit and BS unit are properly matched. If wiring and piping between theoutdoor unit and an indoor unit are mismatched, the system may cause a malfunction.Indoor unit drain hoseExtension drain piping(commercially available)Insulating tube(commercially available) Insulating tape (accessory) (4)( See “4.INDOOR UNIT INSTALLATION” ) Fig. 17Drain hose connectedto the indoor unitCommercially availablehard vinyl chloride pipejoint (nominal diameter 13mm)Commercially availablehard vinyl chloride pipe(nominal diameter 13mm) Fig. 18Plastic containerfor pouringDrain pan Fig. 19Make sure not to splash the water.