Operating The Boiler; Switching The Boiler On/Off; Controlling Central Heating; Frost Protection - Bosch WORCESTER benchmark Greenstar 12i User Instructions & Customer Care Manual

Min --- 40°C
1 --- 47°C
2 --- 53°C
3 --- 61°C
4 --- 68°C
5 --- 74°C
6 --- 80°C
Max --- 82°C
WORCESTER BOSCH GREENSTAR 12i & 24i SYSTEM
8 716 115 171a (06/2008)

OPERATING THE BOILER

SWITCHING THE BOILER ON/OFF

Switching on
Switch on the boiler by pressing the
main power button.
The indicator light shows blue
Switching off
Switch off the boiler by pressing the
master switch.
The blue indicator light goes out.
SETTING THE TEMPERATURE
Turn the temperature control knob to
the desired level, approximate
temperatures for each setting are shown
in the table opposite.
When the burner is lit, the green
indicator light underneath the on/off
button is illuminated.

CONTROLLING CENTRAL HEATING

Set the timer to the correct time.
Set room thermostat to the desired
room temperature.
Set the thermostatic radiator valves to
the desired settings.

FROST PROTECTION

Leave master switch on.
Turn the temperature control to
If the temperature falls to below 5°C
within the boiler it will periodically fire to
avoid the possibility of freezing.
If remote pipework is exposed to
low temperatures, ensure that the
installer has added a frost
thermostat.
.
OPERATING THE BOILER
7