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Worcester-Bosch Greenstar Junior i Manual

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TIPS ON ENERGY SAVING
6 720 802 048 (2013/05)
9 TIPS ON ENERGY SAVING
HEATING ECONOMICALLY
The boiler provides a high level of comfort whilst keeping gas consumption and the environment effects as low as possible.
The gas supply to the burner is controlled according to the level of demand for heat. The boiler operates with a low flame if the
demand for heat reduces. The technical term for this process is modulating control.
Modulating control reduces temperature fluctuations and provides an even distribution of heat throughout the home. This means
that the boiler may stay on for relatively long periods of time but will use less gas than a boiler that continually switches on and off.
CENTRAL HEATING SYSTEMS WITH ROOM THERMOSTAT/THERMOSTATIC RADIATOR VALVES
With modern heating systems set around a 20 °C heat loss, the optimum setting for a condensing boiler will be approximately
between one and two on the central heating temperature control. The system must be balanced correctly and the radiators may
need upgrading. This allows the boiler to condense as much as possible for the central heating system.
The temperature of each room can be set individually (except primary room with the room thermostat) using the thermostatic
radiator valves.
ROOM THERMOSTATS
Reducing the setting of the room thermostat by 1 °C can reduce fuel consumption by up to 10%.
NEW CONTROL SYSTEMS
Upgrade your heating control system if necessary with the latest equipment available. The minimum level of control is a
programmer, interlocking room thermostat and thermostatic radiator valves.
ROOF INSULATION
Around 30% of the heat loss from a property is through the roof. Replace any old insulation with new insulation, preferably of around
200 mm thickness or more.
WINDOW FRAMES
Single glazed windows, particularly those with steel frames, can lose a great deal of heat. Consideration should be given to
replacement with PVCu or wooden framed double glazed units.
RADIATORS
If a radiator is sited underneath a window, its performance will be affected if the curtains are allowed to drape over the radiator.
Shelves fitted above or in front of the radiator should also be avoided.
It is advisable to manually adjust all thermostatic radiator valves every 2 - 3 months to prevent them sticking. Ensure radiator valves
are correctly set and not damaged.
DRAUGHTS
Try to ensure that draughts around doors, windows, letter boxes and keyholes etc. are
reduced by using a suitable draught excluder.
CURTAINS
Lined curtains, or heavier full length curtains can provide excellent insulation. However, always ensure that the curtains do not
drape over radiators.
WARNING: AIR VENTS
▶ Do not block or seal any air vents that are installed to ensure that the central heating boiler operates safely.
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