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Found motor(2 speed) getting dual voltage from timer. Power for low speed and hi speed at the same time. The timer has been changed twice and is still doing the same thing.

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  • georgcubuns May 08, 2010

    The Model lsr8244eq1

    The Seriel lg2239835

    Timer P# 3948171



    The Washer will fill then go thru a hi speed agitate. Then the motor will go thru a low speed agitate after a few minutes. Once it goes into low speed. The amperage jumps up to 20 and then drops. But amperage comes back and the motor starts making a wierd noise. I notice from the timer that I am getting voltage from timer on the orange and blue wire at the same time. There is normally voltage to one or the other. Not both!

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  • Master
  • 1,554 Answers

Sounds like a wiring problem but please indicate the make and exact model number for specific and accurate troubleshooting advice.

Posted on May 08, 2010

  • Jahn27
    Jahn27 May 08, 2010

    It is normal to have voltages on both of the wires but they are not connected simultaneously to the high and slow windings of the motor because of the centrifugal switch in the motor. The motor goes from slow to high speed when the centrifugal switch is thrown from the slow speed winding to the high speed winding.

  • Jahn27
    Jahn27 May 08, 2010

    It is clear that the timer can be ruled out as the source of the trouble. Therefore, the only possible source is either the centrifugal switch or the motor itself. The motor goes from high speed to low speed when the motor slows down and deactivates the centrifugal switch or if the centrifugal switch deactivates on its own.

    It is most likely that the motor is faulty as indicated by its slowing down and deactivation of the centrifugal switch and the weird noise it makes when it switches to low speed. It is either due to a mechanical problem or a motor winging problem.

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How to set up intermatic t104m to work with two speed motor


T104 cannot be easily set up to handle 2-speed motors
You need T106 timer with NO NC terminals.

Or you can use the T104 to control relay with NO NC terminals... relay would need 240 Volt coil. Problem is most relays with NO NC terminals are 120 Volt coil or rated too low amperage for motor.

Or move T104 clock motor wires to A and 1... connect 240Volt power to A and 1... then terminals 3-4 are dry and can be used to control any voltage relay coil (120 Volt for example).
When T104 is ON, then relay uses NC terminals to send power to low speed. When T104 is OFF, then relay uses NO terminals to send power to high speed.
Buying T106 timer is probably cheaper and simpler.
http://www.amazon.com/dp/B000JJM7ZS/?tag=waterheaterti-20

http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T106

http://waterheatertimer.org/Buy-T100-series-timers.html

http://waterheatertimer.org/Intermatic-control-centers-and-manuals.html

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1 Answer

Just installed a new Hayward superpump. Using an intermatic timer (not sure which model, but found something close in a search). Yellow face, A,1,2,3,4 terminals. I wired the new pump like the old pump...


You have 240 volt 30 amp breaker
http://waterheatertimer.org/images/Inside-Main-Breaker-Box-8-8.jpg

A 1 2 3 4 sounds like 240volt T104 or 240volt T106
These look the same but are two different timers.
The T104 is made for regular on-off operation, while the T106 is made for 2-speed pump.
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html

Now is the pump 240Volts, or 120Volts?
Look at nameplate on motor.
Is the motor single speed or 2-speed?

If pump is 2-speed, then motor will have 3 wires, and nameplate will say Hi and Low.
There is usually a yellow wire with 2-speed pump.

NOW, lets suppose you have 120Volt single speed motor.
You can convert the 240Volt T104 into 120Volt T103 timer by changing the clock motor from WG1573 to WG1570 available at WW Grainger. And then switch white wire inside breaker box to make circuit into 120Volt circuit.

If you have T106 2-speed timer, it can also be converted to 120Volt using same clock motor change-over.

Add a comment and describe your wiring very carefully. Include voltage and exactly which wires are connected, because the description of 'terminal 4 and L4' was too confusing

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Can i install a time temp. type defrost control instead of the demand defrost type in the above unit? also i see no reason for the fan control board (low to High speed) since the fan motor does not call...


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How i can do the instalation


1) Need more information.
Heres some help to get you started, then you add a comment and fill in details so I can give accurate answer.

2) You posted under Paragon 7008-00 timer.

3) People post under Paragon when they have Tork, so I need exact model number and what voltage you have and what Load you are trying to wire.

4) Also what terminals appear on timer, since any timer can be in a box that is marked 7008.
Then add what color wires you have coming from breaker box, what size breaker, and if same breaker is going to supply voltage to timer and to Load, and what color wires are going to Load.

5) Open following link to identify timer for sure, and see manual and wiring diagrams.
http://waterheatertimer.org/Paragon-timers-and-manuals.html#7000

6) Typical wiring diagram for 7008 showing one set of NO NC terminals:
http://waterheatertimer.org/images/Paragon-7008-00-timer-wiring-350.jpg

7) 7008 timer has 120Volt clock motor. So power to terminals A and B has to be 120V.
But timer can still control 120V or 240V loads.

8) According to manual, 7008 timer has 2 NO (normally open) terminals that are OFF when timer is OFF
Timer also has 2 NC (normally closed) terminals that are ON when timer is OFF

9) Both sets of terminals reverse when timer turns ON.

10) NO and NC terminals are frequently used for continuous-operation 2-speed motors, for example.
You do not want power to both speeds at same time, or motor will burn out. So low speed is connected to NO terminal, and high speed is connected to NC terminal. This way the motors windings are kept separate, and either low speed is ON or high speed is ON.

11) Another example of NO NC terminals could be store lighting. When store closes, the timer turns off exit signs and store-room lights inside store, and at same moment timer turns on burglar alarm and outdoor lights. In this example the timer controlled 4 different circuits: exit signs, store-room, alarm, and outdoor lights. With 2-NO and 2-NC terminals, that is possible.

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P1353 is a very complicated for beginner.
Open following link for manual: P1353 starts on Page 25
http://waterheatertimer.org/pdf/Intermatic-P1353-manual.pdf

Following steps are general introduction.
You can add a comment about specific steps.

1) Select timer voltage: see page 26 manual
http://waterheatertimer.org/images/P1353-voltage-selection-100.jpg
Timer can control 120V or 240V circuits.
P13553 default voltage for clock motor is 240V.
If circuit breaker that supplies power to timer is 240V, then no change is needed.
If circuit breaker that supplies power to timer is 120V, then change jumper on back of timer to 120.
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2) Wiring
Open link to see general wiring for P1353:
http://waterheatertimer.org/images/P1353-timer-350.jpg
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-Line wires are power wires from circuit breaker.
For example Line wires are 240Volt, and there is 1 black wire and 1 white
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White connects to terminal 2
Add a jumper wire (short piece of same-gauge wire) from terminal 1 to terminal 3
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Red speed-2 connects to terminal 4
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3) Programming.
-Manual shows specific programming starting on page 27.
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-Select different MODES when programming timer
Select MODE 2: circuit 1 and circuit 2 will never be ON at same time, which is intended for 2-speed pump operation.

-Programming steps start on page 30 where you select MODE 2
Actual programming steps are straightforward

-Add a comment if you have difficulties and I will answer.
Also contact Intermatic directly if you encounter a glitch:
http://www.intermatic.com/customer%20service.aspx

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

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1 Answer

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Thank you for posting your question here on Fixya.com.

Check the motor start capacitor and if that is ok, check the voltage into the motor on the common and low leads to be sure it is not the relay. If neither of those is the issue the motors internal start switch is likely the problem and will need to be fixed or more likely replaced. That would best be done at a local electric motor repair shop.

If this answer does not fix your problem, please comment with additional details prior to rating the answer. Positive feedback is appreciated once your problem is solved!

John

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