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6
4
1
7
4
6
1
Example installation of a 'Y' plan system
1
Pump
2
Store thermostat
3
Bypass valve
4
Manual air vent
5
3-port mid position valve
6
Wiring centre
Note: All components to be supplied by the
installer.
2
5
3
Figure 3
Example installation of an 'S' plan system
1
Pump
2
Store thermostat
3
Bypass valve
4
Manual air vent
5
Central heating zone valve
6
Hot water zone valve
7
Wiring centre
Note: All components to be supplied by the
2
installer.
5
3
Figure 4
Page 7
DESIGN
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