Daikin FXDQ15A2VEB Installation Manual

Also see for FXDQ15A2VEB: Operation manual Installation manual

Contents

4 English4. PREPARATIONS BEFORE INSTALLATION(1) Confirm the positional relationship between the unitand suspension bolts. (Refer to Fig. 2)• Install the inspection opening on the control box side wheremaintenance and inspection of the control box and drainpump are easy. Install the inspection opening also in thelower part of the unit.(length: mm)(2) Make sure the range of the unit’s external static pres-sure is not exceeded.(See the technical documentation for the range of theexternal static pressure setting.)(3) Open the installation hole. (Pre-set ceilings)• Once the installation hole is opened in the ceiling wherethe unit is to be installed, pass refrigerant piping, drainpiping, transmission wiring, and remote controller wiring(It is not necessary if using a wireless remote controller)to the unit’s piping and wiring holes.See “6. REFRIGERANT PIPING WORK”, “7. DRAINPIPING WORK”, and “10. WIRING EXAMPLE”.• After opening the ceiling hole, make sure ceiling is level ifneeded. It might be necessary to reinforce the ceilingframe to prevent shaking.Consult an architect or carpenter for details.(4) Install the suspension bolts.(Use W3/8 to M10 suspension bolts.)Use a hole-in-anchor for existing ceilings, and a sunkeninsert, sunken anchor or other part to be procured in thefield to reinforce the ceiling to bearing the weight of the unitfor new ceiling. (Refer to Fig. 3)(5) In case of bottom suction(1) Remove the chamber lid. (7 locations)(2) Reattached the removed chamber lid in the orientationshown in Fig. 4. (7 locations)(3) Attach the air filter (accessory) in the manner shown inthe diagram.The four holes which cannot be covered by the air filtershould be covered with commercially available tape.Model A B15-20-25-32 type 750 74040-50 type 950 94063 type 1150 1140BA620500450×450620ADrain pumpSERVICE SPACEFig. 2Inspection door(Ceiling opening)Allow viewControl boxAir inlet(length : mm)Suspensionbolt pitchAir outletCeiling(Inspectionopening size)(Suspension bolt pitch)Fig. 3Ceiling slabIndoor unitAnchor boltLong nut or turn-buckleSuspension boltNote: All the above parts are field supplied.(1)(2)Chamber lidChamber lidAir dischargeAir inletAir dischargeFig. 4Air inlet