2
1
3
4
E
D
C
D
C
D
C
E
E
E
STARTING THE APPLIANCE
Central heating:
1
4
Open all radiator valves.
4
Set room thermostat to maximum.
4
Set programmer to ON for CH.
4
Turn the DHW thermostat control (C) fully
anti-clockwise.
4
Turn the CH thermostat control (D) to max.
The burner should be ON with the circulating
pump. The diverter valve (E) should open to
port B for CH.
4
Ensure all radiators are heating up evenly
and balance the system to the temperature
difference required across the heating flow
and return relevant to the heating load.
2
4
Set the room thermostat to minimum.
The burner and circulating pump should be
off. The diverter valve (E) should return to
port A for DHW (default).
Domestic hot water & central heating:
3
4
Set the room thermostat to maximum.
4
Set the programmer to ON for DHW & CH.
4
Turn the DHW thermostat control (C) fully
anti-clockwise.
4
Set the CH thermostat control (D) to max.
The burner should be ON with the circulating
pump. The diverter valve (E) should open to
port B for CH.
4
4
Set the DHW thermostat control (C) to max.
The diverter valve (E) should move to port A
and divert the flow to the Heatslave tank.
STARTING THE APPLIANCE
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE 12/18-18/25-25/32
6 720 802 432 issue A 04/2012
38
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