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Need UK wiring diagram for a 2 amp torpedo switch ( 3 terminal)

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How to wire GM40 timer to 240vac


This connection is for 240 volts ONLY on the Intermatic GM40.

The first thing you need to do is make sure the Input Voltage Dip Switch (IVDS) is set correctly for 240 volts. The IVDS switch is located to the left of the terminal strip and just slightly above it. 4 is set to OFF, 3 is set to ON, 2 is set to OFF, and 1 is set to ON.

The first wire of the incoming (LINE) 240 volt cable (pick one) is connected to "L1" (the 1st terminal screw on the left). Also jumper a wire from "L1" to COM (the 5th terminal screw from the left).

The second wire of the incoming 240 volts is connected to "L2/N" (the 2nd terminal screw from the left). Also connect one of the wires (pick one) from the outgoing (LOAD) 240 volt cable to the "L2/N" terminal.

Connect the second wire of the outgoing 240 volts to the "NO" terminal (the 4th terminal screw from the left).

If you not sure which cable is which, turn OFF the circuit breaker suppying the timer, separate all the wires, turn the circuit breaker back ON. The cable that is hot is the incoming (LINE). Turn breaker back OFF and wire as above.

Dec 01, 2011 | Intermatic GM40 - 24 Hour/7-Day Dial...

1 Answer

I'm confused about how to properly hook the wiring to the product below. Specifically where does the "neutral" wire attach. I have it all hooked up, but I'm not getting the full 220...


Your 240V wiring is not described clearly, and it sounds like you are confused about 240Volt circuits.
You posted under T104R indoor-outdoor 240volt timer:
http://waterheatertimer.org/images/T-104-control-240V-Load4-35.jpg

Typically a 240Volt cable is 2-wire with ground, and does not have a 'neutral'
A neutral is not necessary to complete 240V circuit.
If your 240Volt cable is a 3-wire with ground, then the neutral connects to terminal A on timer.
Open following links for specific T104 wiring diagrams plus illustration of 2-wire and 3-wire cables, and illustrations and explanation of difference between 120V and 240V circuits:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html
http://waterheatertimer.org/images/wire-ga-250.jpg
http://waterheatertimer.org/B220C.html

If you have 240Volt cable, then do not move clock motor wires.
The clock motor wires connect to terminals 1 and 3.
240V power from circuit breaker connects to same terminals.
Load wires connect to terminals 2 and 4.

If you are not getting 240V across terminals 1 and 3, then check circuit breaker.
240Volt circuit breaker can be tripped off on one leg, or bad on one side so you get 120V on one leg at timer, and then clock motor does not rotate dial.
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html

Jul 03, 2011 | Intermatic T104R 208-277Volt 40-amp Timer...

1 Answer

Need wiring diagram for T104M 208-277v Mech. Time Time Switch


Here is the basic instructions:
http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/t104%20-%20english.ashx

Below is a larger and better diagram of a 240V connection Terminal connections are White to White on 3 & 4 Black to Black on 1 & 2:
http://waterheatertimer.org/images/T-104-control-240V-Load4-35.jpg

More info: http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html

I am assuming you have the 240 VAC clock motor so the clock timer motor wires are connected to terminals 1 and 3.

If you only have the 120 VAC clock motor the wires will be connected across terminals 1 and 2.
Thanks for choosing FixYa,
Kelly

Jun 27, 2011 | Intermatic T104 24h 208-277v Mechanical...

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I have a T104R timer and not sure how to wire it. I have 240v supply from breaker box, 2 black wires and both hot. Does it matter which wire goes to the#1 terminal and which one goes to #3 terminal....


Two hot wires from the panel go to "line" and two wires from motor go to "load". See the diagram on the inside of the door. You should consider running the "load" to a 220 wall switch and then to the motor so you can turn it off quickly if necessary without fooling with the timer.

May 30, 2011 | Intermatic T104R 208-277Volt 40-amp Timer...

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Hello, I installed a T104 timer switch following the directions on the manual. I connected supply lines to terminals 1 & 3 and the load wires going to the pool motor on terminals 2 & 4. The clock...


It doesn't sound like you are getting a true 230 volts to the timer. Measure from terminal 1 to terminal 3. You should read 230 volts. If you are getting 230 volts between 1 and 3, return the timer, it's defective. If you are not getting 230 between 1 and 3, then you'll have to have a look inside the electric panel to see what has been miswired. There should be a 2 pole breaker with a white and a black wire connected to it that goes out to the timer.

May 27, 2011 | Intermatic T104 24h 208-277v Mechanical...

1 Answer

I bought a Leviton 1201-PLC 15 Amp, 120 Volt, Toggle Pilot Light, Illuminated ON to replace a traditional 3 way switch (without a pilot). I replaced it by connecting the existing wires to the new switch in...


Your screw terminals are 2-brass and 1-dark.
Dark screw is considered 'common'
http://waterheatertimer.org/ST01C-program.html#3-way

Leviton shows a 3-way 1203-2, but not 1201
Wiring diagram indicates that pilot light is ON whenever switch has power.
http://www.leviton.com/OA_HTML/ibeCCtpItmDspRte.jsp?item=2681§ion=10046&minisite=10026

Check your instruction sheet that pilot light is supposed to turn on-off with Load.
I don't think it is, without additional terminal on switch for neutral wire.
And then it would only work on switch located closest to light.

You can wire this type of thing separately.
Buy ordinary pilot light or indicator light from WW Grainger.
Look at diagram on following image:
http://waterheatertimer.org/images/3-way-circuit-with-pilot-indicator.jpg

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on circuit or any do-it-yourself project.
Fixya is always less expensive than a service call.

May 08, 2011 | Leviton Snap On Mount Switch Pilot Light -...

2 Answers

I bought a westinghouse 77020 pull chain switch and only two speeds work and fan will not shut off


The BLUE wire is for a light. The red is the "traveler" and the black is power.
Did you use the blue wire without a light? If you did, you wired it hot, full time.

Jan 27, 2011 | Westinghouse Electric Ceiling Fan 3-way...

3 Answers

Can I used the T103M dpst spst timer for christmas lights? I would be coming off 2 20amps breakers in a single slot. I relly don't understand what a dpst and spst are (what they do) I am trying to hook up...


T103M is 120Volt timer that can handle all the Christmas lights.
Minimum on-off time 1 hour.
Rotate dial until current time lines up with silver pointer.
Set on-off trippers on dial.
Let's go step by step.

1) T103 has terminals A 1 2 3 4 >> terminals are also called poles
DPST (double pole single throw) and SPST (single pole single throw) are two different ways to wire this particular timer.
T103 timer can be wired numerous ways... but your project is not complicated.
DPST means timer turns off two terminals/poles (double pole) with each click/throw of timer switch (single throw)
SPST means timer turns off one terminal/pole (single pole) with each click/throw of timer switch (single throw)

2) T103 timer is ST single throw, all the lights come on at same time. So this timer is 1 channel.
1 channel timers are either ON or OFF and everything turns on-off at same time.
You cannot stagger on-off times with 1 channel timer.
If you want upstairs and downstairs lights to come ON at different times, you need two timers .. or a 2-channel timer (which is different ballgame).

3) T103 timer has 120Volt clock motor that is connected to terminals A and 1.
Look at timer and you can see small white wires connected to A and 1 terminals that power 125V clock motor.
When wiring this timer, your wires from 20 amp breaker box connect to terminals A and 1.
Black hot wire from breaker must connect to terminal 1
White neutral wire from neutral busbar must connect to terminal A
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T103
http://waterheatertimer.org/B220C.html

4) Terminal 1 must be hot so when timer switch clicks ON, it sends power to terminal 2.
Your load wires connect to terminals A and 2
I made simple drawing of SPST option showing how to wire T103 to 3 receptacles.
Fixya downgrades image so it's hard to see.
Hot wire to terminal 1
Load wire to terminal 2
Neutrals on terminal A
To see image larger:
http://waterheatertimer.org/images/110-600-21Kb.jpg

geno_3245_171.jpg
If you want to wire timer for DPST, which is necessary for loads exceeding 2 horsepower (1500 Watts) on each terminal
Notice black jumper wire from terminal 1 to terminal 3
Notice all white neutral wires to terminal A
To see image larger:
http://waterheatertimer.org/images/110-600-17Kb.jpg
geno_3245_172.jpg
I made third image for guy who was wiring high amperage blowers, that show wiring for two T103 timers. Having two timers would let upstairs and downstairs lights come on at different times.
http://waterheatertimer.org/images/110-with-2-timers.jpg

Dec 11, 2010 | Intermatic 24 Hour Mechanical Mechanisms...

1 Answer

Ckt diagram


For anyone else who may reading this post, please note that this diagram is for the T104 ONLY.
Here ya go: http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/t104%20-%20english.ashx

Basically, connect the incoming (line) 240 volt wires to terminals 1 and 3 and the outgoing (load) wires to terminals 2 and 4. Of course, connect the (bare or green) equipment ground wires from both cables to the "GR" terminal.

Nov 17, 2009 | Intermatic T104 24h 208-277v Mechanical...

3 Answers

Need wiring diagram for Intermatic 240V Mechanical Time Switch


For anyone else who may be reading this post, these instructions are for the T104 ONLY.
Connect your incoming line) 240 volt wires to terminals #1 and 3. Connect the outgoing 240 volt (load) wires to terminals # 2 and 4. Don't forget to connect both equipment ground wires (bare or green) to the "GR" terminal.
Do NOT connect anything to the "A" terminal.

May 08, 2009 | Intermatic T104 24h 208-277v Mechanical...

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