Question about Hayward 1.5 Hp Northstar High Performance Pump

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Motor wsurges on and off only one speed was purchased as 2 speed

Motor set up at factory as 240. I have 120. Technican advise to eliminate one wire when connecting. Pump motor cycles in and off continually.

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Do NOT listen to your 'technician'. Is the motor rated for both 115 and 230 or just 230? If it says both voltages on the nameplate it will also tell you how to reset the motor for 115. Follow those directions and you should be all set.

Posted on Jul 13, 2009


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Heater only works on low setting

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If all your fuses are OK.....

Find where the blower motor is- on most vehicles it is in the right knee area of the passenger side up front... sometimes it is on the passenger side under the hood. If you cannot find it, set the blower speed to low, turn on your key, but do not start the car (don't do this for more than a few minutes, because it can drain your battery). Follow the motor sound....

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With a 2 wire blower, you can check the motor by running a set of jumper wires from a battery to the blower and see if it comes on full speed. First, connect a voltmeter across the connector so you know which side gets + and which gets -. If you are not comfortable with doing this yourself, by all means get a friend with experience or a mechanic to show you how.

If the motor has a bunch of wires going to it, the problem is probably the blower motor itself. These can be very expensive, and your best bet is to shop around online for one.

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Have two wires disconnected from a carrier hvac unit that goes to supply air fan. they are 4 wires total. one yellow goes to l2 on circuit board and red to bm, the black and blue wire is not connected...

Hi, these wires control the speed of the blower motor.L-2 is one power leg and red to bm (blower motor). If the other 2 wires are wire tied out of the way, and they have always been this way, that's the way they come from the factory, to control different speeds. On a 230 volt blower motor, you will see a yellow which normally goes to L-2 on the board. Then you will have a black, red, and sometimes blue. Sometimes you will see L-2 with yellow, L-1 could be any one of the other colors as they are marked on the motor. Low, Med, and High speed are what these extra wires are for. So, you are only using 1-speed. If it is running, and has been, forget the other 2 wires. If its not working, look for a L-1 on the board and connect any one of the other 2 wires. Like I said though, if this is always how its been and running fine, this is a normal termination. Let me know if you have a motor problem, and I can walk you through it.
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Wiring difficulties during hookup

The side of the motor will have a diagram showing how to connect the wires for common high and low speeds. There should also be a voltage selector device on near the terminals you connect your line wires to. Set that device to the 115 setting and you should be all set.

Jul 14, 2009 | Hayward SUPERPUMP 2.0 HP, 115/230V

1 Answer

The pump motor is a two speed 1.5 h.p.. It was factory set for 240 and I had only 110. Technician said we could eliminate one wire and this would accomplish the switch. The motor continually shuts on and...

Your three wire system was 115V? I assume then it was Line, neutral, and ground and you would hook the Line and neutral to the motor line posts and the ground to the ground post.

You also need to be sure to reset the motor from the 230 volt to the 115 volt setting to match the line voltage you are supplying.

Jul 13, 2009 | Hayward 1.5 Hp Northstar High Performance...

1 Answer

Pump motor runs very shot time turns on and off continuously

You have to go by the name plate connection for correct voltage and two speed operation. Check name plate and verify incoming voltage. Connect motor accordingly.

Jul 13, 2009 | Hayward 1.5 Hp Northstar High Performance...

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