Samsung AM CNB C AA Series Technical Data Book page 40

13. Installation
Dimension of the Hydro unit HT
Unit: mm (inch)
340 (13 .4)
518 (20 .4)
Communication
cable Power cable
80 (3 .1)
Gas pipe
Liquid pipe
Water outlet pipe
Water inlet pipe
115 (4 .5)
Model of the Hydro unit
AM✴✴✴CNBF✴✴
Liquid side connection part 3/8" (ø9.52)
Refrigerant side
Gas side connection part
5/8" (ø15.88)
Water side connection part NPT 1"(25A)