Fujitsu Waterstage WOYG160LJL Installation Manual page 13

■ Hydraulic unit
14 7 6
5
fig. 9 - Hydraulic unit components
Waterstage / Installation / 2011 - EN
1
13
15
16
8
5
2
3 4
8
9
10
11
12
Key:
1 - Electric box.
2 - User interface.
3 - Start/stop switch.
4 - Pressure gauge.
5 - Heating circulation pump.
6 - Heating flow.
7 - Heating return.
8 - "Gas" refrigeration connection.
9 - "Liquid" refrigeration connection.
10 - Drain valve.
11 - Safety valve.
12 - Flowmeter
13 - Automatic bleeder valve.
14 - Expansion vessel.
15 - HP electrical backup.
16 - Condenser.
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