Samsung NS Series User & Installation Manual

17Unit Width(W)“A”=W+100mm “B”=500mmUnit Depth(D)+50mm20mm or more20mm or more• You must have 20mm or more space between the ceiling and the bottom of indoor unit. Otherwise, the noise fromthe vibration of indoor unit may bother the 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 the ground, if the unit has a duct with a welldefined lenght (300mm or more), to avoid fan motor blower contact.Insulation guideAFrontCBBackDIndoor unit A B C D Front / Back18.0kW (1240x470x1040) 1240x1040 1240x1040 470x1040 470x1040Insulate the front and back side in propersize at the same time when insulating thesuction duct and discharge duct.f Thickness: more than 10mmf Insulate the end of the pipe and some curved area by using separate insulator.f Insulate the discharge and suction part at the same time when you insulate connection duct.