Wilo Pump Capacitor Replacement

[Marko!]

Wago’s are great on with a single conductor , but not so good on multi-strand .

Cheers for tip. The cap has a single strand conductor.

 

[OffshoreGas]

Be careful swapping capacitors fitted to motors because they need to be rated to both the correct capacitance and voltage for the application. You may find the back EMF effect of the motor may lead to stray voltages significantly higher than the 240v input.

On another tack, I don’t think I’d replace a anything electrical with a non OEM part. If the pump later catches fire etc (unlikely I know) you’re leaving yourself wide open liability wise. A judge would have you’re pants down.

 

[OffshoreGas]

I’m new to gas safe but I assume you can’t just fit any old gas valve in a boiler say without invalidating the appliances certification/indemnity. This would be the same to me.

 

[Welder]

Be careful swapping capacitors fitted to motors because they need to be rated to both the correct capacitance and voltage for the application. You may find the back EMF effect of the motor may lead to stray voltages significantly higher than the 240v input.

On another tack, I don’t think I’d replace a anything electrical with a non OEM part. If the pump later catches fire etc (unlikely I know) you’re leaving yourself wide open liability wise. A judge would have you’re pants down.

OSG that's what I said! Match or exceed the existing spec. So long as you have the same or better then no one can come back at you.

 

[OffshoreGas]

In my world it would have to be like for like, part number for part number. May be different for you guys.

I’m not sure I’d expose myself to the extra risk. It’s not going to be much cheaper by the time you’ve got the right cap and gone back.

Chances are if the caps had it a bearing or seal won’t be far behind. You’ve then got a naffed off customer badmouthing you to all and sundry.

 

[Marko!]

In my world it would have to be like for like, part number for part number. May be different for you guys.

I’m not sure I’d expose myself to the extra risk. It’s not going to be much cheaper by the time you’ve got the right cap and gone back.

Chances are if the caps had it a bearing or seal won’t be far behind. You’ve then got a naffed off customer badmouthing you to all and sundry.

I have got the precise spec for the capacitor. I would never fit anything other than the same spec as original. I am also the ‘customer ‘ myself so even more reason to want it done correctly! Cheers.

 

[OffshoreGas]

Ah, crack on then and just make sure to deny all knowledge. 🙂

 

[Best]

I just coincidentally pulled a few old pumps apart and removed the capacitors.
Some of them are the Wilo as above

 

[Marko!]

I just coincidentally pulled a few old pumps apart and removed the capacitors.
Some of them are the Wilo as above

Wow, that’s a coincidence and a half! How was the connection made?

 

[Best]

Wow, that’s a coincidence and a half! How was the connection made?

This is going to sound strange, but I am not sure. I was stripping the outer electrics and plastic parts of the various motors. Capacitors are off but I do remember cutting some of the cables.
Think some are soldered into a board.
Will take a look now.

 

[Marko!]

This is going to sound strange, but I am not sure. I was stripping the outer electrics and plastic parts of the various motors. Capacitors are off but I do remember cutting some of the cables.
Think some are soldered into a board.
Will take a look now.

Cheers

 

[Best]

Cheers

I have some of the black capacitors from old Wilos.
Looks like I snipped the ends of the wires. Think they were soldered into a board

 

[Marko!]

I have some of the black capacitors from old Wilos.
Looks like I snipped the ends of the wires. Think they were soldered into a board

I think that is most likely as I can't see a way to disconnect it. I would have liked to test the old one first but didn't want to take it off without having a replacement. I've ordered a new one now, so should be able to swap it soon. I'll post the outcome afterwards. Cheers