E- 5Deciding on Where to Install the Air ConditionerIndoor Unit There must be no obstacles near the air inlet and outlet. Install the indoor unit on a ceiling that can support its weight. Maintain sufficient clearance around the indoor unit. Make sure that the water dripping from the drain hose runs away cor-rectly and safely. The indoor unit must be installed in this way, that they are out of publicaccess. (Not touchable by the users) After connecting a chamber, insulate the connection part between theindoor unit and the chamber with t10 or thicker insulation. Otherwise,there can be air leak or dew from the connection part.20mm or moreSpace Requirements for Installation& ServiceConstruction Standard for Inspection Hole1) In case, the ceiling is tex tile, Inspection hole dose not need.2) In case, the ceiling is plaster board, Inspection hole depends on Insideheight of the ceiling.a. Height is more than 1m : Only "B" [Inspection for PBA] is applied.b. Height is less than 1m : Both "A"&"B" are applied.c. "A"&"B" are inspection holes .Unit Width(W)"A"=W+100mmUnit Depth(D)+50mm"B"=500mm20mm or more You must have 20mm or more space between the ceiling and the bottom ofindoor unit. Otherwise, the noise from the vibration of indoor unit may botherthe user.When the ceiling is under construction, the hole for check-up must bemade to take service, clean and repair the unit. It is possible to install the unit at an height of between 2.2~2.5m from theground, if the unit has a duct with a well defined lenght (300mm or more), toavoid fan motor blower contact.