Question about Intermatic T104M 208-277Volt 40-amp Timer Switch-Double Pole / Single Throw
How to install this to a 30 30 amp breaker which is in the basement time is going to control 3 to 4 signs already powered by the breaker its self i just want to eliminate turning them off and on manually
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Posted on Jan 02, 2017
I believe your timer must be exposed to cold.
The CR2 battery in ST01C will only last 30 days when exposed to cold temperatures.
I was reading a pdf chart few months ago about timer batteries, and the power drop-off becomes really steep after 30 days.
Most digital programmable timers are susceptible to cold if they have battery or internal rechargeable battery that supports timer functions or acts as program back-up.
For example, I e-mailed Honeywell about their Aube rechargeable-battery-type-timer, and they said anything below 32F and the display becomes slow, and timer loses accuracy.
Your ST01C wiring is correct. I test timers. They don't operate if wiring is wrong.
I solved same problem with my back porch timer using GE 15070 mechanical dial timer. Home Depot sells in-store for $18.
Link below gives you photo, manual, and wiring instruction so you don't need electrician.
Open page and notice the timer below the 15070 has a photo insert showing on-off pins located on timer dial.
You move pins with ink pen or fingernail file.
Of course this is not self-adjusting digital timer, so I just set it for times I want, and it's easy to change times. It will be perfect for 6pm to 11pm daily.
And then use ST01C on a indoor switch.
You can wire the ST01C yourself by simply looking how each wire is connected now, or you can add a comment to this thread later and I will answer:
Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, fixya expert speaks with you over phone while you work on timer.
Posted on Jan 11, 2011
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