SOURCE: I need a wiring diagram for an Omron H5CX-A timer
Wiring will appear on side of timer.
Test the timer with multimeter to see which terminals are connected. When timer has no power, then Com and NC terminals will have continuity.
H5CX-A Timer has 11 screw terminal connections and timer is rated 100V to 250Volt AC 50-60Hz.
Input is power IN > this is the 100V to 250Volts coming from breaker box or transformer. For example input terminals might be labeled A and B.
This will give power to timer, but remainder of screw terminals have no power.
To put power to relay terminals, jumper the power from Input terminal A to COM terminal.
For example Com terminals might be 7 and 9.
So jumper Hot wire from Terminal A to terminal 7.
This action will put hot on Com terminal 7, but also give power to the NC terminal.
For example the NC terminals might be 1 and 3.
So when timer is OFF, the NC terminal has power.
Then when timer turns ON, the NC terminal no longer has power, but the NO terminals are Hot.
NO terminals might be 4 and 6, and these terminals turn on-and-off when timer turns on--and-off
Open following link to help with Omron 11-pin wiring:
http://waterheatertimer.org/How-to-wire-pin-timers.html
If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7
SOURCE: wiring diagram for Omron off delay timer
Which Omron timer?
The model and wiring diagram appear on side of timer.
Add a comment with more details and I can track down the information.
http://waterheatertimer.org/How-to-wire-pin-timers.html
http://waterheatertimer.org/Woods-timers-and-manuals.html#Omron
If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7
SOURCE: What Is The Mode Equivalent For OMRON STP-N On H3CR
Contact Omron... they do not recommend that timer replacement
https://www.ia.omron.com/support/faq/answer/19/faq03126/index.html
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If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7
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