Operating The Boiler; Switching The Boiler On/Off; Setting The Heating Temperature; Controlling Central Heating - Bosch GREENSTAR HEATSLAVE II EXTERNAL 12/18 User Instructions & Customer Care Manual

OPERATING THE BOILER

SWITCHING THE BOILER ON/OFF:

4 To switch on the boiler; turn on the water, oil and electricity supply to the boiler.
4 Check the programmer/timer is correct and is set to ON.
4 Set the room thermostat to the desired setting.
4 Open and set thermostatic radiator valves as required.
4 Turn the boiler water temperature control to the required setting.
4 To switch off the boiler; turn the programmer/timer to OFF for heating and hot water.
SETTING CENTRAL HEATING TEMPERATURE:
1. Turn the central heating temperature control knob to the desired flow temperature between 50
and 82°C, this will be indicated on the digital display. This is not the room temperature but the flow
temperature through the radiators.
2. The radiator symbol will be displayed to confirm that the a central heating setting is being
changed.
3. The value is displayed during this process, press to exit or after five seconds of inactivity
the boiler display will return to the default screen.

CONTROLLING CENTRAL HEATING:

4Set the programmer/timer to the correct time with the required ON/OFF periods.
4Turn the room thermostat to the temperature required.
4Set thermostatic radiator valves to the required temperature for each room.
TURNING THE CENTRAL HEATING OFF DURING THE SUMMER:
4Turn your programmer/timer to the off position.
4Please refer to the programmer/timer manufacturer's instructions.
5
GREENSTAR HEATSLAVE II EXTERNAL 12/18, 18/25 & 25/32
OPERATING THE BOILER
6 720 805 212a (07.2013)