Question about Intermatic T101R3 110 volt time clock in a rain tight case - Time Clock
I have replaced the motor in 2009 and we tried to 8use it but the timer does not work.I bought a nnew motor but it still doesn't work.I have power to the unit ,how can I bench test the motor to see if it is working?
Connect 120Volts to white clock motor leads.
Blow out timer with compressed air.
Turn off power and spray highly flammable vapor from WD40 can onto gears.
If dial rotates and keeps good time, then buy new 156T1978A trippers
T101 timer comes stock with WG1570 120-480 volt clock motor.
Clock motor typically connects to terminals A and 1.
Hot black wire connects to terminal 1. Neutral white connects to terminal A.
Load wires: Black to terminal 2, and White to terminal A
This timer can be converted to other voltages by changing clock motor, such as 208-277Volt using WG1573. Or adapted to European, SE Asian 230 Volt 50Hz timer by installing WH1574.
Posted on Nov 28, 2012
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Posted on Jan 02, 2017
By chance did you connect both the incoming and outgoing white (neutral) wires together without also connecting them to the "A" terminal? If so, untwist them and connect both of them under the "A" terminal. The timing motor will not work if the "A" terminal is not connected to a neutral.
With the circuit energized from the breaker, you should be able to read 120 volts from the "A" terminal to the #1 terminal.
Also, check to make sure the yellow dial is pushed in and set to the correct time.
Otherwise the timer is defective and a return to the store is in order.
The wiring for the T101 is as follows:
Connect _both_ the incoming and outgoing neutrals (white) wires to the "A" terminal. The incoming [(LINE) (hot) (from the breaker or source)] black wire is connected to the #1 terminal and the outgoing (LOAD) black wire is connected to the #2 terminal.
Both of the bare or green wires are twisted together along with a 6 inch or so pigtail using a red or yellow wire nut. The pigtail is then connected to the green "GR" screw on the enclosure
Posted on May 08, 2010
Manual override lever is good overall test of T101 120Volt timer.
T101 timer has 3 terminals: A 1 2
See wiring diagram on following link:
Electricians test, they don't guess.
So test your wire:
Separate all wires for testing.
Use ordinary 2 prong tester.
Tape wood sticks to tester leads to keep hands away from power.
Stand on dry boards. Do not hold or touch anything metal.
Turn power ON.
Test each wire to bare ground wire.
Tester lights up on Hot wire. 120V circuit has only 1 Hot wire. If you have 2 Hot wires, you might have 240Volt circuit and need T104 timer. If circuit has 1 Hot wire, then that Hot wire must connect to terminal 1.
If you have NO Hot wire, then check circuit breaker.
Hot wire is identified.
Now test Hot wire to all other wires, except bare ground wire.
Tester lights up on Neutral wire. Neutral wire must connect to terminal A.
If you have NO Neutral wire, then additional wiring is needed, or circuit needs further testing to see what type of wiring you are working with.
Bare ground wires connect to green ground screw.
Notice there are small white wires also connected to terminals A and 1. These small white wires power the 120V clock motor. With Hot on terminal 1 and Neutral on terminal A, the clock motor will run, and yellow dial will rotate.
If timer dial does not rotate after connecting Hot ans Neutral, then test voltage across Hot and Neutral to make sure it reads 120V.
Your circuit should have 2 wires remaining.
These wires go to 120Volt load (fan, light, motor)
Connect these two wires to terminals A and 2.
Try manual override.
If Load turns ON-OFF, then timer is wired correctly.
If Load does NOT turn ON-OFF, then reverse Load wires on terminals A and 2.
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Posted on Dec 28, 2010
SOURCE: Model T101 is not turning
The breaker is tripping?
Timer starts again when you flip breaker. It sounds like breaker is loose on the busbar, or there is loose wire that stops making contact, and then the timer turns off because no electricity is flowing to timer.
You have T101 timer.
When the timer is off next time: Stand on dry surface or dry boards. Open cover. Notice there is a plastic insulator that covers wiring terminals. On the insulator, each wiring terminal is marked: A 1 2. Remove plastic insulator that covers wiring terminals. Use ordinary electrical tester. Tape tester leads to wood sticks to keep hands away from voltage. Test across terminals 1 and A for 120Volts (or 110, 115, 125V is all the same).
If there is no voltage, then circuit breaker and/or wire from circuit breaker is suspect.
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Posted on Sep 13, 2011
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