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INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH
31
STARTING THE APPLIANCE
8-716-106-252a (03.05)
STARTING THE APPLIANCE
Domestic hot water:
1 Set the CH/DHW programmer to OFF.
Fully open a hot water tap.
The burner should be OFF and the circulating
pump ON.
2 Close the hot water tap.
Set the DHW thermostat control (C) to
minimum as shown.
Set the programmer to DHW 'ON'.
The burner should be ON with the circulating
pump to heat the water in the Heatslave tank.
The minimum set temperature is reached when
the burner and circulating pump switch off.
3 Fully open a hot water tap.
The burner should be ON with the circulating
pump.
Check the water flow rate using a suitable
measuring container;
18/25kW 18 litres/min*.
* Manually regulate using the water main inlet
isolating valve on the boiler.
4 Fully close the hot water tap.
Check the burner and circulating pump** switch
off.
**The high limit thermostat may activate pump
overrun until the correct temperature is restored.
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