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Hi worcester 24ri wiring to y plan on boiler it says connect lp lr to pump and sw connect where over run pump

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Dont know what your asking but the R is the hot wire to the thermostat, Y's are for cooling, W's are for your heat and the g is for fans. The Y's and W's turn on pilot relays, which control your AC and heat.

Posted on Nov 02, 2008

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Danesmoor slpj20-25


Hi try this link and go to page 16 fault finding it should give you a clue, I think it may just need bleeding. http://www.bhspares.co.uk/wp-content/themes/RevampV3/manuals/Worcester%20Bosch/DanesmoorSLPJ15-19.pdf Cheers Andy

Dec 30, 2013 | Heating & Cooling

1 Answer

Replacing an ST699 with a ST9400C following repl wiring diagram, but programmer does not come on. Is the diagram incorrect? Wiring colours do not follow any of the plans. Syst has room stat, cyl stat,...


Disregard wire colors. Instead wire by terminal designation. In other words :
Wire on "R" Terminal on old thermostat to "R" Terminal on new thermostat no matter the color.

Jun 14, 2011 | Honeywell Heating & Cooling

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Worcester 24i boiler..how do i re-ignite the pilot light??


Overheat thermostat has tripped. If a modern Worcester need to press reset on control panel.

If older style Worcester - Pull front cover off the boiler (just above control panel flap pull the cover from both sides forward to unclip and then lift upwards to remove cover) and you will see a little brown reset button - press this back down.
However the over heat thermostat trips for a reason - was the system running on low pressure? It could be the pump is sticking a bit (dirt in the system) which can be sorted easily by adding an additive (DIY packs available at Home-base) . Or it could be the pump has completely gone. If this is the case it will trip again as soon as the boiler clicks back on.

Apr 27, 2011 | Heating & Cooling

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Need to know how to switch off hot water by combi boiler worcester bosch 240 to be able to fix leak on pipe downstairs


its the vavle 3 one in from the left its a 15mm pipe and there will be a iso vavle what you can turn with a flat point screwdriver and that will turn off the main water to the boiler these are the manual
http://www.worcester-bosch.co.uk/homeowner/literature/discontinued-boiler-literature/discontinued-gas-boiler-literature/240-bf-discontinued-december-1997-literature

Jan 23, 2011 | Heating & Cooling

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When you hook up the wiring for the pump to the boiler, it is 120 volt, do you hook a ground as well.


Hello, for safety sake, you should always connect a ground to any equipment. I am assuming that you are running #14 or #12 guage wire to the boiler on a 15 or 20 amp breaker. If you are using a 14/2 or 12/2 cable, the ground wire will be included in the cable. Please do install the ground securely as this is for your protection and protection of your loved ones.

Jan 06, 2011 | Heating & Cooling

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We have a Worcester Bosch Highflow 400 (10 year old) combi boiler. Over the last few weeks when we have put on the heating the boiler kicks in and fires up and the heating comes on (the water comes on fine...


The by pass pipe may be limed up. This apparently causes a reduced flow which will stop the heating side of the thing working. Call out Worcester Bosch engineer. It costs £210 including VAT and most parts and they almost guarantee to get it working.

Nov 06, 2009 | Ruud Matching Split Air Conditioner

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My Worcester Bosch Greenstar Combi boiler digital display has started flashing the temperature then two half-rectangles alternately ... it is not heating the radiators to full capacity - any ideas?


just had same problem.  this apprently happens if the power supply has been interrupted or you switch the power on and off.
• The boiler runs for 15 minutes at minimum heat output to fill the condensate trap, the display (K) alternates between -II-” and the boiler flow temperature. This occurs every time the mains supply has been interrupted.

Nov 02, 2008 | Heating & Cooling

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Domestic heating system


Contacted supplier and they have arranged a visit.
Thanks

Sep 14, 2008 | Heating & Cooling

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My Worcester Bosch 35cdi boiler is flashing temp then backwards t forwards t, whats wrong with it.?


35 cdi worcester combi about 3 years old,heating not working,hot water works fine.It's been serviced not long ago.Room stat turned up and trv's ,but boiler want fire up,there's power to the boiler and the room stat the built in time clock is switched to on, but still nothing. do you think it could be the diverter valve, when i got there it was flashing SE which mean's it needs a service,cleaned the heat exchanger and burner with the proper worceter brush etc then re set boiler with technical, they also said it could be the built in clock and told me to disconect it, and just use the heating stat to control it.It still want fire.

Sep 03, 2008 | Heating & Cooling

1 Answer

Thermostats


check wiring

Feb 07, 2008 | Heating & Cooling

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