Question about Intermatic T104 24h 208-277v Mechanical Time Switch

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Are all t104 timers 220 volt? - Intermatic T104 24h 208-277v Mechanical Time Switch

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Yes, all T104s are 240Volt since the clock motor is 240V
Intermatic T101 and T103 have 120V clock motor

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

Posted on Nov 14, 2010

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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

Gene

Sep 21, 2014 | Intermatic Hardware & Accessories

1 Answer

Good morning, problem began when timer stopped working at the pin "off" point. Figured a new timer was in order so replaced with a WG1573-5 (same as previous) Timer is T104. Now the problem, when the timer...


Did you buy new timer or new clock motor?
WG1573 is replacement 240v clock motor for T100 series timer.
T100 series is fully repairable and can be maintained to last decades. I've seen operable timer from 1950s.
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#T100

You can convert T104 240Volt timer into 120V timer by changing clock motor to WG1570 to replace WG1573.

In any case, timer is wired wrong somehow since it seems to cut off one leg of the 240V circuit.
Copy following links for illustrations and troubleshoot and more information than you can use in decades:
http://waterheatertimer.org/images/T-104-control-240V-Load4-35.jpg

More related information
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T104
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html
http://waterheatertimer.org/Photos-of-WH40-timer.html#remove-dial

Don't grind up your motor.
Connect direct to hot wires and run 240V.

Add a comment
Gene
h

Aug 22, 2013 | Hardware & Accessories

1 Answer

Pool timer


You have the T103 timer rated 120-240. The clock motor part of timer is 120Volt. This is a very versatile timer, but confusing for non-electrician and electrician alike.
Solve problem by converting timer from T103 to the 240V T104 by changing clock motor from 120V WG1570 to 240V WG1573.
Buy wg1573 clock motor at WW Grainger or drillspot etc.
Resources:
http://waterheatertimer.org/How-to-replace-Intermatic-clock-motor.html
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T104
This simple fix is intentionally designed by Intermatic so their timers are not only adaptable to all electrical needs, but also can be maintained to last 25 years by replacing clock motors and trippers as needed

Jun 25, 2013 | Intermatic Hardware & Accessories

1 Answer

How to wire a 240 volt salt water chlorinator to an intermatic 1725c timer


T104 and ET1725 are wired differently since ET series timers have dry switching terminals. Dry terminals receive no power when timer is energized. So ET series timers require jumper wire.
Here is crossover wiring:
http://waterheatertimer.org/images/Crossover-wiring-T104-to-ET1725.jpg
More resources:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T104
http://waterheatertimer.org/How-to-wire-Intermatic-ET-series-timer.html
http://waterheatertimer.org/pdf/Intermatic-et1725c.pdf
Add a comment for more information

May 13, 2013 | Intermatic Hardware & Accessories

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220 volt set up with three wires. Want to add timer that needs a neutral. Where does the neutral come from?


You can get neutral from nearby outlet.
Copy following links to help identify type and wiring for your circuit
http://waterheatertimer.org/B220C.html
http://waterheatertimer.org/images/Inside-Main-Breaker-Box-8-8.jpg
If you have Intermatic T103 timer, then you can change clock motor from the 120Volt WG1570 to the 240Volt WG1573
Copy following link:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T103

Jul 15, 2012 | Intermatic Hardware & Accessories

1 Answer

I have a problem getting the timer to supply 220 Volt?. I get 110Volt. I have a 30Amp breaker and a double pole breaker and 310 wire. Where am I going wrong. Should the white wire from the plug go to...


Your wiring is incorrect -or- wire is not under the screw plate correctly -or- the 240Volt breaker is tripped on one leg.
Make sure that copper wire is under screw plate, and that no insulation is under plate keeping wire from making contact.
Open following link to double-check wiring:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html

Jan 09, 2012 | Intermatic T104 24h 208-277v Mechanical...

1 Answer

Proper wiring for 220 volts timer


You posted under T104 timer.
Open following links for wiring information and diagrams.
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html
http://waterheatertimer.org/B220C.html

You say 220Volts and I use 240Volts = same thing
T104 is 240Volt timer with 240V WG1573 clock motor
240Volt cable has two hot wires that arrive from breaker box. These wires connect to terminals 1 and 3.
240Volt cable going to Load has two wires. These wires connect to terminals 2 and 4.
Bare ground wire connects to green screw.

If your timer has terminal A, then terminal A is not used unless you are converting timer for 277Volt operation, or some other specific wiring purpose, or if your 240Volt cable from breaker box also has a Neutral wire, in which case the Neutral connects to terminal A.

If you have different brand timer, or different model number, then add a comment with model number that shows inside timer door, and I will search for wiring diagram.
http://waterheatertimer.org/Boxtype.html

Add a comment for more free help

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

Apr 26, 2011 | Intermatic T104 24h 208-277v Mechanical...

1 Answer

How do i wire this timer for 220 v ?


The T101 is intended for 120 volt wiring. Take it back and swap it for a T104.

Feb 09, 2011 | Intermatic T101 - 24 Hr. Dial Time Switch...

1 Answer

T104 double how do i install it on a 220 v hot water heater


Intermatic T104 is 240V timer with 240V clock motor.
Wiring diagrams are shown on links below:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html

http://waterheatertimer.org/images/T-104-240-Volt-400.jpg

http://waterheatertimer.org/B220C.html
Terminal A is not used unless cable from breaker box has extra neutral wire. Extra neutral wire would connect to terminal A.
T104 has the extra terminal A since same mechanism is used for T103 120V timer that utilizes terminal A.

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.

Feb 01, 2011 | Intermatic T103 Indoor 120-Volt 40-amp...

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T104 clock stopped running. must now use switch


Intermatic Timer Motor WG1573 / WG1573-5 clock POOL FIX .. EBAY .. TO INSTALL THIS MOTOR REMOVE SCREW ON LEFT AND JUST BACK SCREW ON RIGHT A FEW TURNS, TIMER WILL ROCK UP OUT OF BASE THIS WAY . UN-HOOK WIRES ONE AT A TIME AND INSTALL WIRES FROM NEW MOTOR ONE AT A TIME.. THESE TWO WHITE WIRES GO TO LINE 1 AND 2 THESE ARE THE WIRES THAT GO TO THE 220 VOLT BREAKER ... NEED MORE HELP JUST GIVE ME A BUZZ.. JAY .. AND PLEASE VOTE .. THANKS JAY

May 10, 2010 | Intermatic T101R3 110 volt time clock in a...

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