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Circulating Pump Capacitor?

airliebeach · 2021-01-17 00:31:39

Hello All. Pump not operating on setting 2 or 1. Setting 3 operates ok. I suspect capacitor. How do I know if its a starting cap or running cap? How exactly are the different speed settings set? (electronically speaking) Can cap cause this problem?

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17-01-2021 1:31am

#1

airliebeach

Registered Users Posts: 59 ✭✭

Join Date: January 2009

Posts: 42

Hello All.
Pump not operating on setting 2 or 1.
Setting 3 operates ok.

I suspect capacitor.
How do I know if its a starting cap or running cap?
How exactly are the different speed settings set? (electronically speaking)
Can cap cause this problem?

0

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#2 17-01-2021 3:38pm
John.G

Registered Users Posts: 3,466 ✭✭✭

Join Date: April 2018

Posts: 3373

If old type circ pump (as distinct from the A rated electronic ones) then only 1 capacitor AFAIK, speed control on these (old) was achieved by resistances for speed1 and 2.

1