Water system
Note
In case of installing the unit at a place where outside temperature below freezing point, insulation
must be provided for all hydraulic components.
6
WATER CONNECTIONS
Note
Water temperature limiting valve is recommended for mixing the inlet cold water with outlet hot water to
prevent burns caused by hot water
Do not use flexible pipes for unit connection.
Indicative plumbing diagram
The system components must be defined by Designer and Installer (ex. expansion tanks, vents, taps,
calibration/safety valves etc.)
1
Pressure reducing valve
2
Water treatment devices (water softener, etc.)
3
Filter Y
4
Non-return valve
5
Safety valve with discharge
6
DHW expansion vessel
7
Storage drain
8
Hot water circulator (recirculation) with check
valve
9
Mixing valve thermostatic
10
Condensate drain
A
Aqueduct inlet
B
DHW
C
DHW recirculation