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INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH
32
STARTING THE APPLIANCE
8-716-106-252a (03.05)
STARTING THE APPLIANCE
Central heating:
1 Open all radiator valves.
Set room thermostat to maximum.
Set programmer to ON for CH.
Turn the DHW thermostat control (C) fully anti-
clockwise.
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.
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 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 Set the room thermostat to maximum.
Set the programmer to ON for DHW & CH.
Turn the DHW thermostat control (C) fully anti-
clockwise.
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 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.
2
1
3
4
E
D
C
D
C
D
C
E
E
E
