Multiple Units Without Secondary Return; Multiple Units With Secondary Return - Worcester GREENSPRING CWi47 Installation And Operating Instructions Manual

4.3

MULTIPLE UNITS WITHOUT SECONDARY RETURN

6
6720646322-18.1V
Fig. 6
1 Gas supply
2 Cold mains inlet
3 Water isolation valve (supplied with appliance)
4 DHW flow
4.4

MULTIPLE UNITS WITH SECONDARY RETURN

6
12
Fig. 7
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
9 Expansion vessel
10 Non return valve
6 720 646 322 (2012/05)
5
13
3
4
5
13
4
3
5
3
5 Gas isolation valve (supplied with appliance)
6 DHW outlets
10 Non return valve
13 Cascading kit (part number 7 736 500 272)
5
3
10
11 Pressure relief valve
12 Secondary circulation pump
13 Cascading kit (part number 7 736 500 272)
INSTALLATIONS EXAMPLES
1
2
10
1
9
11
10 8
7
6720646322-19.1V
2
13