Samsung RC***MHXGA Installation Manual page 8

Application Examples
Application #2
Mono Outdoor + Cylinder Unit
Supply Header
Return Header
Radiators or Convectors
B T
T
Supply Header
Return Header
Under-Floor Heating Coils
Outdoor unit
8
Room Thermostat
(Wireless)
Indoor 
Outdoor 
RF Receiver
Expansion Vessel
Wired Controller
Control Kit
(provided by SAMSUNG)
Hot water Supply
T
Cylinder Unit
From City Water