Daikin FDXM25F3V1B Installer's Reference Manual

Also see for FDXM25F3V1B: Installer's reference guide Operation manual

Contents

Daikin FDXM25F3V1B Installer's Reference Manual Manual pdf 10 page image

6 InstallationInstaller reference guide10FDXM25~60F3V1BSplit system air conditioners4P482333-1 – 2017.03deABf620500fa1bba2c4×Class A (mm) B (mm)FDXM25+35 740 790FDXM50+60 1140 1190a1 Nut (field supply)a2 Double nut (field supply)b Washer (accessories)c Hanger bracketd Control boxe Suspension bolt pitchf Overall dimension▪ External static pressure. Refer to technical documentation toensure that the unit's external static pressure is not exceeded.▪ Ceiling opening. (Ceiling with opening for installation)1 Pass all pipes and wiring through the unit's piping and wiringholes.2 Make sure that the ceiling is level.▪ Installation example:baceda Anchor boltb Ceiling slabc Long nut or turn-buckled Suspension bolte Indoor unit▪ Install suction cover and air filter (accessory) In case ofbottom suction:3 Remove the suction cover.cab4 Reattach the removed suction cover.cbaa Air inletb Air outletc Suction cover5 Attach the air filter (accessory) by pushing down the hooks (2hooks for 25+35 type, 3 hooks for 50+60 type).rear suction bottom suction2121▪ Install the unit temporarily.6 Attach the hanger bracket to the suspension bolt.7 Fix the unit securely.▪ Level. Make sure the unit is level at all four corners using a levelor a water-filled vinyl tube.baa Levelb Vinyl tube8 Tighten the upper nut.NOTICEDo NOT install the unit tilted. Possible consequence: Ifthe unit is tilted against the direction of the condensate flow(the drain piping side is raised), the float switch mightmalfunction and cause water to drip.6.2.3 Guidelines when installing the ductingThe ducting is to be field supplied.▪ Air inlet side. Attach the duct and intake-side flange (fieldsupply). For connecting the flange, use 7 accessory screws.a b b aeed dca Connection screw (accessory)b Flange (field supply)c Main unitd Insulation (field supply)e Aluminium tape (field supply)▪ Filter. Be sure to attach an air filter inside the air passage on theintake side. Use an air filter with dust collecting efficiency ≥50%(gravimetric method). The included filter is not used when theintake duct is attached.▪ Air outlet side. Connect the duct according to the insidedimension of the outlet-side flange.