Volume Of The Heating System - Fujitsu WATERSTAGE WOYG112LHT Maintenance Document

Air to Water Heat Pump (Split integrated DHW type)

4 .1 .3 Volume of the heating system

You must respect the minimum installation water
volume. Install a buffer tank on the return of the
heating circuit in case of lower volume than this value.
In the case of a system equipped with Thermostatic(s)
valve(s), it is necessary to ensure that this minimum
water volume can flow.
HP
excellia duo 11
High Power 11 Single Phase
excellia duo tri 11
High Power 11 3-Phase
excellia duo 14
High Power 14 Single Phase
excellia duo tri 14
High Power 14 3-Phase
High Power 16 3-Phase excellia duo tri 16
Ø 26x34
1" Male
Ø 20x27
3/4" Male
Installation and operating manual "1768 - EN"
Minimum volume in liters BY CIRCUIT (without HP)
Obligation
fan-coil
55
74
87
D
GS
figure 24 - Overall hydraulic layout
Recommendation
Radiator
50
66
80
R1
MT
Legend:
CAR : Non-return valve.
CAR
D : Shut-off.
GS : Safety unit
(Required / Not supplied).
MT : Thermostatic mixer valve.
R1 : Heating circuit.
Recommendation
Heating-cooling floor
25
35
44
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