7Fig. 4bUnion 1/2"(12.70 mm )1/2"(12.70 mm)Flare 3/8"(9.52 mm )A joint for connecting tubes ofdifferent sizes(3/8"(9.52mm ) 1/2"(12.70mm )) Supplied Reducer1/4"(6.35 mm)1/4"(6.35 mm)1/4"(6.35 mm)CBAOutdoor unit Indoor unit(CS-MKE7NKU,CS-MKE9NKU,CS-MKE12NKU)(CS-MKE9NB4U,CS-MKE12NB4U)(CS-MKE7NKU,CS-MKE9NKU,CS-MKE12NKU)(CS-MKE9NB4U,CS-MKE12NB4U)(CS-MKE18NKU)(CS-KE18NB4UW)3/8"(9.52 mm )3/8"(9.52 mm )3/8"(9.52 mm )3/8"(9.52 mm )3/8"(9.52 mm )(A)Fig. 4cCBA(CS-MKE7NKU,CS-MKE9NKU,CS-MKE12NKU)(CS-MKE9NB4U,CS-MKE12NB4U)(CS-MKE7NKU,CS-MKE9NKU,CS-MKE12NKU)(CS-MKE9NB4U,CS-MKE12NB4U)DOutdoor unit Indoor unit3/8"(9.52 mm)3/8"(9.52 mm)3/8"(9.52 mm)3/8"(9.52 mm)(CS-MKE7NKU,CS-MKE9NKU,CS-MKE12NKU)(CS-MKE9NB4U,CS-MKE12NB4U)3/8"(9.52 mm)3/8"(9.52 mm)1/4"(6.35 mm)1/4"(6.35 mm)1/4"(6.35 mm)Union 3/8"(9.52 mm)Flare 1/2"(12.70 mm )(CS-MKE7NKU,CS-MKE9NKU,CS-MKE12NKU)(CS-MKE9NB4U,CS-MKE12NB4U)1/2"(12.70 mm)3/8"(9.52 mm)1/4"(6.35 mm)(1/2"(12.70 mm) 3/8"(9.52mm)) Supplied Reducer(2) Connecting indoor unit for CU-4KE24NBU(1) Connecting indoor unit for CU-3KE19NBUFig. 4a3/8"(9.52 mm)3/8"(9.52 mm )1/4"(6.35 mm)1/4"(6.35 mm)1/4"(6.35 mm)3/8"(9.52 mm )3/8"(9.52 mm )3/8"(9.52 mm)3/8"(9.52 mm)CBAOutdoor unit Indoor unit(CS-MKE7NKU,CS-MKE9NKU,CS-MKE12NKU)(CS-MKE9NB4U,CS-MKE12NB4U)(CS-MKE7NKU,CS-MKE9NKU,CS-MKE12NKU)(CS-MKE9NB4U,CS-MKE12NB4U)(CS-MKE7NKU,CS-MKE9NKU,CS-MKE12NKU)(CS-MKE9NB4U,CS-MKE12NB4U)2-2. Connecting Indoor UnitsFigures (4a) – (4k) show the different types of indoor unit connections, including the use of a reducer.To select the required indoor unit to be connected, refer to the Combination Table that was included in theoutdoor unit package.(A)(B)