Operating The Boiler; Switching The Boiler On/Off; Setting The Heating Temperature; Controlling Central Heating - Worcester Greenstar Utility 32/50 User Instructions & Customer Care Manual

8 716 109 712b 07.10

OPERATING THE BOILER

SWITCHING THE BOILER ON/OFF:

To switch on the boiler; turn on the oil and electricity supply to the boiler.
Check the programmer/timer is correct and is set to ON.
Set the room thermostat to the desired setting.
Open and set thermostatic radiator valves as required.
Turn the boiler water temperature control to the required setting.
To switch off the boiler; turn the programmer/timer to OFF for heating and hot water.
If the boiler is left unused and exposed to freezing conditions; shut off all the mains supplies,
isolate the boiler and drain the system and boiler.
SETTING TEMPERATURE:
Turn the control clockwise to increase the water temperature.
Turn the control anti-clockwise to reduce the water temperature.
The minimum and maximum ranges of the temperature control positions are approximately 60°C to
82°C.

CONTROLLING CENTRAL HEATING:

Set the programmer/timer to the correct time with the required ON/OFF periods.
Turn the room thermostat to the temperature required.
Set thermostatic radiator valves to the required temperature for each room.
4
OPERATING THE BOILER
12/7/10 12:28 Page 6
GREENSTAR UTILITY 32/50 - 50/70
8 716 109 712b (07.2010)