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4.3.2 Diverting Valve Operation
The function of the diverting valve is to direct heated system water to either the
central heating circuit or domestic hot water heat store depending on mode
selection and thermostat requirements. The valve actuator is labelled with two
positions ‘OPEN’ and ‘CLOSE’.
The ‘OPEN’ position directs heated system water to the central heating circuit,
from port AB to port A:
The ‘CLOSE’ position directs heated system water to the boiler heat store, from
port AB to port B:
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