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New septic lift pump won t shut off
Here is the color code comparison: In the US = Black is the Hot, White is the neutral & Green is ground. In Europe = the Brown is the hot, Blue is the Neutral & Green/Yellow is the ground. Looks like you have an international pump. That wide blade on the plug is always the neutral side of the circuit.
The power should come from the house or where ever, the Black source would go to float switch. (It could go to the black or white wire), lets say the black. Then the white wire from the float switch would be the switched conductor. That switched conductor should go to the Brown on the pump. The Blue would go to the source White or neutral coming from the house. In the past I’ve found the gas escaping from the tank would corrode the electrical connection. I’ve switched to the direct burial wire nuts with the sealant inside. .
Use caution, between the explosive gas, electricity and moist conditions there are dangers involved. The above circuit is typical but may not represent your situation.
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New septic lift pump won t shut off
FYI: greg_g is correct. Those colors are used in the UK also at 220 volts, but one side of the 220 is bonded to ground or is a neutral as we refer to it. It is not unusual to find 220 3 phase in European homes. My Uncle in Switzerland had a 220 V 3 phase table saw with a tiny 3hp motor, but tons of power. If a European power cable has 2 ungrounded conductors it would have 2 brown or black conductors in it.
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New septic lift pump won t shut off
Thanks fellas, I'll give it another go tomorrow. I think blue was wired as hot and will check tomorrow. An online reference said that the wide terminal was hot but you can't always believe what's online. That probably won't fix the problem but you have supplied lots of good information to check out. The new pump is a "Little Giant" brand, didn't know that was European.
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New septic lift pump won t shut off
Well, no luck. The hot and neutral were backwards but it didn't fix it. The bottom float always reads closed. That probably caused the last pump to burn out but it was 11 years old.
I'll have somebody out next week to fix it since I don't want to burn any more time off messing around with it in the cold and rain. Let somebody who has parts on their truck fix it.
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New septic lift pump won t shut off
A Russian friend from work told me the easy way to remember European color coding. Brown (hot) is the color of your pants if you touch it.
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New septic lift pump won t shut off
Our big slurry pumps only have 1 switch. It is a Square D and it triggers a relay because of voltage. But essentially is is a on/off like a light switch. Just a rod on a float thru 2 guides and 2 Set screw to trigger switch on or off.
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New septic lift pump won t shut off
Well the guy came out and replaced the float. $445 for an hours work. Seems like a rip but at least it's done. He said the old pump had puked it's guts out and dumped oil in the tank. Figures.
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01-23-2010, 23:12 
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