The two most common causes of the problem are: An airlock in the central heating pump. A heat exchanger that is kettling. The good news is that low boiler pressure is nothing to panic about and is not likely to cause any damage to your boiler.
On the other hand, it can have a real effect on the efficiency and effectiveness of your heating system, making it hard to keep your house warm and costing you more on your energy bills. If you are constantly losing pressure in the heating system you could try the following to establish the cause: Check that there is no water being discharged from the pressure relief valve sometimes referred to as an overflow.
This pipe usually goes from the boiler through to an outside wall and terminates outside. Generally, your boiler pressure should be between 1 and 2 bar. However, read your boiler's manual or ask your heating engineer for the required pressure for your particular model. To check your boiler's pressure , you need to locate the pressure gauge on your boiler. How do I reset my Worcester Greenstar 28i Junior boiler? Category: home and garden home appliances.
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Enter a new password. British Standards: The relevant British Standards should be followed, including: BS : Code of practice for domestic and hot water supply B S : Installation of low pressure gas pipework up to 28mm R1 BS : Installation of gas hot water supplies for domestic purposes EN : Central heating for domestic premises BS : Flues and ventilation for gas appliances of rated heating not exceeding 70kW net : Flues BS : Flues and ventilation for gas appliances of rated heating not exceeding 70kW net : Air Supply BS : Treatment of water in domestic hot water central heating systems BS : Installation of gas fired boilers of rated input up to 70kW net Where no specific instruction is given, reference should be made to the relevant British Standard codes of Practice.
Installation: An appliance using L. Potable water: All seals, joints and compounds including flux and solder and components used as part of the secondary domestic water system must be approved by WRAS.
CH water: Artificially softened water must not be used to fill the central heating system. When fitted to wall frame Depth to wall A mm mm D. V Frequency Hz 50 50 50 50 Max. Circulate the flushing agent before the boiler is fired up.
NOTE: this is reduced to IP20 if the following mechanical timers are fitted: 7 or 7 Use in hard water areas: Normally there is no need for water treatment to prevent scale formation as the maximum temperature of the DHW heat exchanger is limited in the electronic circuit. This must be fitted with lockshield valves and left open. NOTE: The boiler is equipped with an automatic internal by-pass.
If Side Clearances are Reduced If total side clearance is Then overall height clearances OR Front clearance to removable reduced to: must be increased to approx : door must be increased to: mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm 50mm mm mm If Front Clearance is Reduced If front clearance to Then overall height clearances Total side clearance must be OR removable door is must be increased to approx : increased to: reduced to: 50mm mm mm 25mm mm mm.
Otherwise the appliance can be fitted in both zones 2 and 3. See IEE wiring regulations. Minimum dimensions of flue terminal positions for balanced room sealed flues with fanned draught: DRWG. Detailed recommendations on protection of combustible materials are given in BS See Contact Information inside front cover.
Terminals adjacent to windows or openings on pitched and flat roofs. The flue should not penetrate the shaded area. Care should be taken when releasing the straps. If a sharp implement is used make sure the outer carton is not pierced and that the implement is used in such a way so that it may not cause personal injury.
All sharp objects must be covered or the blade 3 retracted after use and put away in a safe C place. The wall mounting frame, Installer C G pack, template and bottom panel are now removed.
Care should be taken when lifting the boiler from the base and the proper technique D for safe lifting of any heavy object should be strictly observed. During this time you will not be able to notify your installations via the the Excelerate portal, MyWorcester app or Gas Safe website. If your product was manufactured before Please use the form to order printed copies of the document you selected.
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