R32
Split - Air to Water Heat Pump 20220105
16
3.4 Space Heating and Space Cooling
Floor heating loops & Heating radiator & fan coil units are used for space heating , fan coil units are used
for space cooling. In space cooling mode, the 2way valve is closed to prevent cold water entering the floor
heating loops & Heating radiator.
Remark
1
Outdoor unit
10
Twoway valve
2
Hydronic box
11
Mixing valve and mixing water pump
3
Plate heat exchanger
12
Distributor
4
Backup electric heater(optional) 13
Distributor
5
Internal circulator pump
14
Bypass valve
6
Wired controller
RDT
Radiator
7
Stop valve
FLH1n
Floor heating loops
8
Balance water tank
FCU
Fan coil units
9
External circulation pump
RT
Room thermostats