Daikin 2MXS18NMVJU Installation Manual

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Contents

Daikin 2MXS18NMVJU Installation Manual Manual pdf 5 page image

4■EnglishPrecautions on Installation• Check the strength and level of the installation surface so that the unit does not causeany operating vibration or noise after installation.• In accordance with the foundation drawing, fix the unit securely by means of thefoundation bolts. (Prepare 4 sets of M12 foundation bolts, nuts and washers; allseparately available.)• It is best to screw in the foundation bolts until their ends are 3/4 inch (20mm) from thefoundation surface.3/4”(20mm)Outdoor Unit Installation DrawingsCAUTION• Do not connect the embedded branch piping and the outdoor unit when only carrying out piping work without connecting theindoor unit in order to add another indoor unit later.Make sure no dirt or moisture gets into either side of the embedded branch piping.Refer to “7. Refrigerant Piping Work” on page 11 for details.• It is impossible to connect the indoor unit for one room only. Be sure to connect at least 2 rooms.Cut thermal insulation pipe toan appropriate length andwrap it with tape, making surethat no gap is left in theinsulation pipe’s cut line.Wrap the insulation pipewith finishing tape frombottom to top.9-13/16 (250) from wallAllow space for pipingand electrical servicing.Level mounting base(available separately)Where there is a danger of theunit falling, use foot bolts, orwires.In sites with poor drainage, useblock bases for the outdoor unit.Adjust foot height until the unit islevel. Otherwise, water leakageor pooling of water may occur.Also insulate the connection on the outdoor unit.Use tape or insulating material on all connections to prevent airfrom getting in between the copper piping and the insulationtube.Be sure to do this if the outdoor unit is installed above.Stop valve coverService lid13-5/8 (346)(Foot bolt-holecenters)(Foot bolt-hole centers)23-5/8 (600)Allow 11-13/16” (300mm) of workspace below the ceiling surface.Clamping materialInsulation tubeStop valve coverTapeunit : inch (mm)English