Installations Examples; Single Unit Without Secondary Return; Single Unit With Secondary Return - Worcester GREENSPRING CWi47 Installation And Operating Instructions Manual

INSTALLATIONS EXAMPLES

4 INSTALLATIONS EXAMPLES
4.1

SINGLE UNIT WITHOUT SECONDARY RETURN

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Fig. 4
1 Gas supply
2 Cold mains inlet
3 Water isolation valve (supplied with appliance)
4 DHW flow
4.2

SINGLE UNIT WITH SECONDARY RETURN

6
12
Fig. 5
1 Gas supply
2 Cold mains inlet
3 Water isolation valve (supplied with appliance)
4 DHW flow
5 Gas isolation valve (supplied with appliance)
6 DHW outlets
7 Strainer
8 Pressure reducing valve
12
5
6
4
5
4
3 10
5 Gas isolation valve (supplied with appliance)
6 DHW outlets
10 Non return valve
3
11
10 10
9 Expansion vessel
10 Non return valve
11 Pressure relief valve
12 Secondary circulation pump
6 720 646 322 (2012/05)
1
2
1
9
2
8 7
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