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  1. J

    Submersible pump testing

    My question is how can you carry out an IR test on a sealed pump connected in star. My guess is you can only test phases to earth. Is this the case? Thanks
  2. bigspark17

    Water pump connections

    hi any pointers on which terminals to connect to this water pump motor, delivered with no wiring diagrams, its 230v, ok with the earth terminal just scratching head about L & N. Thanks
  3. joel89

    Beer Pump light wiring

    Hi I have bought some light up beer pumps for my bar in garden and does anyone whether orange is positive or purple on the 2 core cable which connects to the 24v transformer Cheers Joel
  4. Lenny

    PT Connection To Pump

    Hi all. Could someone please confirm where to connect a 4-20mA pressure transducer to AI2 in the attached photo. I believe it’s terminals 7 & 8 but the pump is not responding at all. Thanks.
  5. K

    Condenser Dryer Exhaust pump issue

    Currently experiencing a problem with a Bosch WTL 5400 condenser dryer : the drainage pump is not powerful enough to pump any water up to the internal water tank but is just about enough to get water out the exhaust pipe (you can manually switch which one to use) if the pipe goes vertically...
  6. S

    Simple relay for secondary pump circuit

    I am looking for guidance on adding a second pump for the underfloor section of my central heating. I am using a blending valve for the UFH supply by teeing off the main boiler feed into the 3 way valve and then to the pump and UF circuit valves (2). I am ok with the wiring I simply need a relay...
  7. J

    Wet Riser Pump back up supplies

    Refurb on an existing building where new wet risers are going in: Where do changeover switches for back up supplies for wet riser pumps have to be installed? Can they be installed at the main switchboar with a single cable to each pump or does the changeover switch have to ne local to the pump...
  8. M

    Electrician Jobs Relpol Relay 8 pin with a zone valve and circulating pump

    I have some problem to hook up a circulating pump with a zone valve and 1 thermostat to control it, can you help me to hook up this correctly.
  9. P

    three phase coolant pump

    Hi i have just bought a lathe which is running on three phase i have bought a vfd to run the lathe from single phase but i have a coolant pump that runs on three phase i have converted it to run on single phase but it appears to have a dip when running do any of you guys know what i need to do...
  10. C

    Hi, new member in need of air source heat pump help

    Hi Just signed up to see if anyone can point me in the right direction with air source heat pump for my above ground pool. It stopped working a few weeks ago and I thought the display unit had gone. However I've tried to replace it but that doesn't power up either. I've had the top off it and...
  11. S

    Shower pump power work/alterations

    Afternoon to all! I have to replace my current shower pump as it's on the way out, it's loud at the best of times so I have taken the opportunity to replace with a quieter unit but my problem is it's a different make and as a result the power supply is also different, the new pump comes with a...
  12. J

    Swimming pool pump controls

    Hi All, New to the forum. Have experience with some control systems but mainly experienced in sensor systems (pressure, temperature), control signals (0-10, 4-20) and data aquisition, dabbling in some automation. I'd like to connect my pool pump into a control system I'm building. The current...
  13. D

    Correct transformer for 12V waste water Pump.

    I recently bought a 12V Whale Gulper 220 waste water pump to remove water from a shower on the groundfloor of my house in Germany (no way to gravity empty the bath/shower.) I am after advice on if I have the correct 240V AC to 12V DC transformer. The pump is a diapragm pump and the instructions...
  14. B

    Pond Pump GCLI Puzzle

    If I have the wrong forum, could someone please direct me? I have a friend who has a fountain pump in her garden pond. It runs for approximately 10 minutes then throws the main breaker on the consumer unit but does not throw its dedicated breaker. The electrical circuit has been checked and I...
  15. P

    Power for Pond pump and multiple external lights.

    Evening all, just wanted to run a customers ideas by you and if my thoughts are correct with regards to wiring. Customer is having his garden landscaped and is looking to install 3/4 standalone lights, as well as a pond pump with its own mini lighting system for the water feature. My thoughts...
  16. R

    Rainwater Harvesting water pump not working

    Hi guys, I'd appreciate any help on this. I have a large rainwater harvesting tank sunken in my back garden (wife dug the 2m square hole whilst I carried the soil through the house) - the tank works perfectly; the submerged pump on the other hand periodically goes faulty and I've had to...
  17. A

    Installing an Air Source Heat Pump

    Hi all, Has anyone installed this air source heat pump. I found it on ebay 12000 BTU HEAT PUMP INVERTER SPLIT AIR CONDITIONING CONDITIONER WALL MOUNT UNIT | eBay -...
  18. M

    pool pump connections terminals help

    I accidently removed power supply cables from my pool pump Advise please on what terminals to connect to. Red, Black , Earth- Any help greatly appreciated
  19. D

    Heat pump advise please

    Currently doing an EICR and would like some advise on loadings on an air to water heat pump as my experience of these is limited. The pump is a single phase Mitsubishi PUHZ-HW140VHA and the rating plate states 'rated current 23.3/14.9a' and 'maximum current 35a'. The unit was recently installed...
  20. Andy-1960

    Electrical install by Diesel Pump

    Can anyone tell me what the requirements are for installing a 230v spur outlet near to diesel pumps. As diesel does not burn easily is this still classed as a hazardous area?

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