Samsung AM FXVAF Series Installation Manual page 29

Size of the pipe between the branch joint and the indoor unit
Make a selection according to outdoor unit capacity.
Indoor unit capacity
MBH
(C)
(A)
(B)
Branch joint
Y-joint for outdoor unit (C)
Make a selection according to outdoor unit capacity.
Y-joint (D)
mm
(D)
(E)
Model name
Model name
Liquid
inch
MBH
MBH
Gas
mm inch
kW
kW
29