■English 6English• Attachment methods of metal plate electrical wiring coverAttach the metal plate electrical wiring cover as shown below.1) Lean the metal plate electrical wiring cover as shown in the figure and insert the tab on the lower side.2) Push in the upper part of the metal plate electrical wiring cover and attach the 4 tabs.Refrigerant Piping Work, install as described in the installation manual supplied with the multi outdoor unit.1. Flaring the pipe end1) Cut the pipe end with a pipe cutter.2) Remove burrs with the cut surface facing downwardso that the chips do not enter the pipe.3) Put the flare nut on the pipe.4) Flare the pipe.5) Check that the flaring is properly made.WARNING• Do not use mineral oil on flared part.• Prevent mineral oil from getting into the system as this would reduce the lifetime of the units.• Never use piping which has been used for previous installations. Only use parts which are delivered with the unit.• Do never install a drier to this R410A unit in order to guarantee its lifetime.• The drying material may dissolve and damage the system.• Incomplete flaring may cause refrigerant gas leakage.TabLean the metal plateelectrical wiring cover asshown in the figure andinsert the tab on the lowerside.CAUTIONMake sure that the shaded part( ) will not go inside theelectrical wiring box.With a multi indoor unitAA(Cut exactly atright angles.) Remove burrs.FlaringSet exactly at the position shown below.Die 0-0.5mmClutch-typeFlare tool for R410A1.0-1.5mmClutch-type (Rigid-type)1.5-2.0mmWing-nut type (Imperial-type)Conventional flare toolFlare’s innersurface mustbe flaw-free.The pipe end mustbe evenly flared ina perfect circle.Make sure that theflare nut is fitted.Check