SiK401004_A65 INSTALLATION1.1.5 Installation Clearance DataNut withWasher spring padIndoor Unit Figure 1-1-81.1.6 Drain Piping Work1) Installation of Drainage Pipeline A drainage outlet is located at both the left and right sides of the indoor unit. Afterselecting one drainage outlet, the other outlet shall be blocked by rubber plug.Bundle the blocked outlet with string to avoid leakage, and also use thermalinsulation materials to wrap the blocked outlet. When shipped out from factory, both the Drainage outlets are blocked by rubberplugs. When connecting the drainage pipe with the unit, do not apply excessive force tothe pipeline at the side of the unit. The bunging position of the pipeline shall benear the unit. Purchase general-purpose hard PVC pipe locally to be used as the drainagepipeline. When carrying out connection, place the end of the PVC pipeline into thedrainage hole. Use flexible drainage tube and tighten it clamp. Never useadhesive to connect the drainage hole and the flexible drainage tube. (As shownin Figure 1-1-9) When the common drainage pipe is used for multiple units, the common pipe shallbe about 100mm lower than the drainage outlet of each set of unit. A pipe withthicker wall shall be used for such purpose.Sponge (gray) Drain hoseClamp Clamp(attachment)Sponge(attachment)Below 4mmFigure 1-1-9