If one hooks up a pool pump to an intermatic timer incorrectly, can it blow the pump? I didn't hear anything. Is there a way to tell if the pump is bl;wn or just hooked up wrong? Thanks.

I suppose you could fry the pump. But more likely it's just hooked up wrong.

Safety is paramount. If you're not an electrician, you probably won't have a meter to check for voltage to or from the timer or to check for voltage at the pump motor.

If your not careful you could fry more than just the pump!

Turn off power, hook power directly to pump, Turn on, if it works. Need to hook up timer.
120 and 240 volt wiring different. Either case, power in, goes to LINE, should see 2 small white wires on terminals, that is timer motor, Load will be where you hook up Pump.
If timer motor not working, can still turn on manually by Lever.

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Originally Posted by coco1159

If one hooks up a pool pump to an intermatic timer incorrectly, can it blow the pump? I didn't hear anything. Is there a way to tell if the pump is bl;wn or just hooked up wrong? Thanks.

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My handy man spent hours trying to figure ot how to hook up the pump, polaris booster pump and the freeze protector. He didn't look at how he unhooked from old time and now he can't get the pump to work but the booster pump works. The switch keeps tripping at the panel. It's a brand new pump and we didn't hear or smell anything. The directions for the timer are very confusing when you have to hook up that many things. Plus I'm hooking up a ioninzation sustem that goes to the lead to the pool pump so that it runs at the same time. I don't know easy it is to fry and pump or what it should sound or smell like or if there's any way to tell. Thanks for your help.

I've seen some printed instructions that needed an interpreter!

It still sound like you'll have to hire an electrical tech to get all those things working properly.

As far as sounds? My Hayward comes on, by timer, and you first hear relay contacts clicking. The pump motor surges to life and you'll hear a steady whine or growl. Not like a bearing going bad, but there is a load.

Shortly after the pump kicks on, you may hear the air being purged from the plumbing. That only takes a moment or two, and usually only happens if the system has been opened for service or repair.

Smell? Definitely shouldn't smell like anything electrical burning. Perhaps if you get upclose and personal with the pump motor you may smell a working motor, but that's it. And keep an eye on the pressure gauge.

What voltage to pump?
What model Timer?
Are booster and freeze to be on timer?
Disconnect pump from timer, try again, if it trips, timer wired to where at a timed on event,
It is shorting across supply.
Pump probably OK. Try this:
Intermatic Timers
Click "Open All",Scrol down to your model, then over to your wiring diagram.