Fujitsu Waterstage Split Comfort 5 Series Installation Manual page 13

■ Hydraulic unit
6
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.
fi g. 9 - Hydraulic unit components
Waterstage Split Comfort DHW Serie / INSTALLATION / 2125 - EN
7
2
12
3
1
8
9
20
14
22
13
4
5
9
11
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.
13
15
16
10
21
17
Sensors :
20. Heat Pump return sensor.
21. Domestic Hot Water sensor.
22. Heat Pump fl ow sensor.
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