- 13 -
fi
g. 9 - Hydraulic unit components
Key :
1. Electric control box.
2. Controller / User interface.
3. ON/OFF
Switch.
4. Hydraulic unit circulation pump.
5. Distribution
valve.
6. "Gas" refrigeration connection.
7. "Liquid" refrigeration connection.
8. Condensation
sensor.
9. Drain
valve.
10. Safety valve.
11. Safety thermostat.
12. Pressure gauge.
13. Automatic bleeder valve.
14. Expansion vessel.
15. Condenser.
16. Heat Pump electrical backup.
17. Domestic Hot Water electrical backup.
Sensors :
20. Heat Pump return sensor.
21. Domestic Hot Water sensor.
22. Heat Pump
fl
ow sensor.
■
Hydraulic unit
12
3
1
10
4
9
8
14
22
13
5
17
21
16
11
9
2
15
13
6
7
20
Waterstage Split Comfort DHW Serie / INSTALLATION / 2125 - EN