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2.2
Indoor unit
2.2.1
Structure
The indoor unit supplied is one of the following models:
– NIMBUS FS M R32
– NIMBUS FS M 2Z R32
– NIMBUS FS-L M R32
– NIMBUS FS-L M 2Z R32
General structure
2
3
4
7
8
9
12
1
Expansion vessel
2
Heating element
3
Automatic air relief valve (heating element)
4
Immersion temperature sensor (flow)
5
Manual reset safety thermostat
6
Space heating flow
7
Multifunctional magnetic filter
8
Pressure gauge
9
Safety valve
10 Pressure transducer
11 Automatic air relief valve (filter)
1
6
5
13
11
10
14
15
16
12 Coil discharge
13 Return from system
14 Passive anode
15 Indirect cylinder temperature sensor
16 DHW heating element configuration
17 Indirect cylinder drainage valve with hose connector
18 Active anode
19 Storage active
20 DHW flow
21 Return to outdoor unit
22 Manual air relief valve
Description of the system
22
21
20
19
18
17
Fig. 10
11 / EN
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