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pump

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  1. M

    Wilo Pump Capacitor Replacement

    Hi All, new member here. I have a Wilo Gold RS50 pump fitted to a solar thermal system. I suspect the capacitor is faulty and wish to replace it. However, I cannot see the method to disconnect one of the capacitor leads (sited between the L & N connections). It is very tight and I don't want to...
  2. P

    Replacing 3 phase circulating pump

    Hi everyone I have a failed (seized and leaking) 3 phase circulating pump. A direct replacement is well into 4 figures I have a pump that will fit, and has enough flow to do the job, but it's single phase. The supply to the pump is via a contactor, and there is no neutral. Is there any way...
  3. L

    Heat pump diversity calculation question

    Hi, When calculating diversity. Does external air conditioning equipment such as heat pumps fall under heating and power in the osg such that you take 100% of the highest then 75% of the remainder? Thanks
  4. B

    Wiring for waste pump help

    Hi, anyone that could help me work out some wiring for a 3 phase waste pump and valve wiring? Will consist of RCD, MCCB, Contactor, Power supply unit, Logic relay and Meter controlling the hours, would be a help thanks I have pics so can send through messages
  5. T

    Air source heat pump heating issue

    Hi there, I have an air source heat pump with a few issues: 1. It gets stuck on defrost mode. When it goes to defrost, it gets stuck and ends up becoming an air conditioner in the depths of winter (fun). I suspect this may be a faulty valve (or what ever reverses the coolant) getting stuck on...
  6. D

    Pump running indicator

    Hello I have a submersible pump in a small well under my floorboards. Access to the pump area is very difficult but after making many improvements to drainage etc. I now need to know if it ever switches on. I have access to the electrical feed for the pump is there any simple device i can fit to...
  7. M

    Ford Transit petrol/lpg No starter motor no fuel pump no spark ?

    I have a 2003 ford transit petrol that has just had a replacement engine fitted The van was started and ran for a few miles without any problems I stopped the van and went to get a coffee when i returned to the van it did not want to start, thinking it was just fuel and a flat battery i went...
  8. Ian1981

    Overload protection to a central heating pump x2

    Is it a requirement to provide overload protection to a central heating pump rated at 2.77amps? I’m kinda under impression that an almost 3 amp pump jamming will get rather hot. I mentioned this to the heating installer who has requested we just installed 2 x isolators for the pumps through a...
  9. G

    Primaflow circulating pump failure?

    I have had a single instance of a Primaflow GPA25-6-130 circulating pump 'locking up'. This is a CPE series unit, with Auto function: it's 3 years old. The AC mains supply was present, all the display elements were lit (abnormal) and the pump wasn't running. There was no response to pressing...
  10. L

    *HELP* zafira b fuel pump wiring issue

    Hi guys, im wondering if someone could help me, i have a zafira b which for some unknown reason has a lamp solderd to 2 wires (live and ground i believe) which is the 12v supply to the fuel pump, when the lamp has either blown or one of the soldered connections have broke the car wont start. Can...
  11. G

    S/phase submersible pump starting problem.

    Hi, I have a s/phase submersible pump, remote float sw control, (capacitor run 20uF, capacitor start 100uF,) app 20years of age, 2in bore drawing around 6A when running on load. It has developed a problem on start up which i believe i have diagnosed and indicates that the capacitor start up...
  12. M

    Pump / battery and fuse advice

    Hi, mostly clueless by name and nature I'm afraid. I need to buy a pump that I can use to fill a motorhome water tank from a water carrier. In essence I will need to to shift about 60 litres of water at a time. I've found a 12v 6A pump that moves around 6l a minute - so it would need approx 10...
  13. S

    Smc commodore twin pump

    Hi all I have the misfortune of correcting someome elses work I have two commodore pumps, one room st and one cylinder st plus a standard boiler... how do I connect them all together? I can get everything working but have no independant control over each zone....
  14. A

    ASHP pump compatibility with power Supply

    Hi All I’m new to the group and not actually an electrician. But please don’t hold that against me! I’m after some advice please. I’ve come to a point in my building renovation where we are about to install a heat pump. Stiebel Elton WPL 25AS the forms for the pump had been filled in and sent...
  15. J

    Faulty Air source heat pump

    My NIBE F2015 air source heat pump which is only 7 years old has an apparent fan motor failure. The fan turns freely and the motor starter capacitor has been replaced but the unit will still not run. Any suggestions for a fix?
  16. Soulsurfer

    Fountain pump electrics!

    Hi again, Callout to a fountain in a very large property which the we can do it all foreign gardener types have tried to unsuccessfully change out a draper pump for it, picture cast lion heads spitting water out x 6! They said they couldn't get it running and showed me the little plug and...
  17. Soulsurfer

    Contactor on borehole water pump issue.

    Hi all, been asked to go look at a contactor setup on a pump which is only used for garden lawn sprinklers etc.. and as I don't often play with danfoss overloads and such I cannot work out what's up! I have no details on the load of the pump / model, make etc.. and only know that the pump was...
  18. T

    SUPPLY TO A PUMP IN LAKE

    We have been asked to do a proper supply for some pumps/fountains lights in a small lake at a golf complex ( at present it is a blue artic flex running underneath the building through hedges and basically non- compliant) my thought was to install an SWA in an existing duct fed from an RCBO to an...
  19. G

    Should a boiler be able to turn on a pump?

    I recently had a new hot water cylinder installed and changed from a y-plan to an s-plan. The plumber installed the cylinder, valves etc and left me to do the wiring. The existing wiring was not great. The boiler is an old Potterton Netaheat Profile 50e. I wired the orange from the 2 valves...
  20. M

    Heating pump twin wiring

    Hi I have oil boiler and a wood stove, both are plumed in to the central heating system, when they first fitted there was a manual switch for the stove fed to the pump, and a feed from the boiler . So I could use the stove or the boiler the hear the radiators. When I got a new boiler fitted and...

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