68 16 21 2838123226.526.52-R2.510187.54-R56816212838123226.526.52-R2.510187.54-R5Wall6mm12.5mmFig. 11Fig. 12Fig. 13Spring washerSpecial nut BracketCAUTIONHex bolt8 to 13mmIndoor unitFig. 14Fig. 16Remove the hole cover.OKArrange the drain hoselower than this portionDrain hoseNOFig. 15Bolt BracketIndoor unitInstall the drain hose at the rear; it should not beinstalled on the top or right side.After the piping and drainage exit has been selected,drill 80mm and 50mm or 150mm dia. hole through thewall. So that the hole is slanting downward toward theoutside for smooth water flow if a condensate pump isnot fitted to system.4. INSTALLING INDOOR UNITReset the hex bolts as shown in Fig.14.Apply the indoor unit to the brackets.(Fig.15)Now, securely tighten the hex bolts in both sides.5. INSTALL THE DRAIN HOSEThe drain hose will be connected to the right side.(Fig.3)Insert the drain hose into the drain pan, then secure thedrain hose with a nylon fastener.(Fig.5)Wrap the insulation (drain hose)around the drain hoseconnection. (Fig.9)Be sure to arrange the drain hose correctly so that it islower than the drain hose connecting port of the indoorunit (Fig.16) if condensate pump is not fitted to system.Insert the anchor bolts into the drilled holes, and drivethe pins completely into the anchor bolts with ahammer. (Fig. 12)3. INSTALLING BRACKETSInstall the brackets with nuts, washers and springwashers.(Fig. 13)2. DRILLING HOLES FOR ANCHOR BOLTS ANDINSTALLING THE ANCHOR BOLTSusing a masonry drill, drill four 12.5 mm dia.Holes.(Fig.11)Fig. 11Installation procedure of convertible type unit