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Worcester-Bosch Greenstar Ri Manual

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Tips on energy saving
Greenstar Ri ErP + - 6 720 821 669 (2018/06)
8 Tips on energy saving
Heating economically
The appliance provides a high level of comfort whilst keeping fuel consumption and the environment effects as low as possible.
The appliance is controlled in such a way that it delivers heat at the correct rate and only if there is a clear demand from the system.
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 appliance will be approximately
73 °C for the central heating temperature. This is to ensure a return temperature of less than 52 °C.
The system must be balanced correctly and the radiators may need upgrading. This allows the appliance 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.
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
200mm 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 appliance operates safely.
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