Bought a Intermatic sprinkler timer. need help.

http://waterheatertimer.org/pdf/Setting-Intermatic-sprinkler-timer.pdf

T8845PV has 120 volt input.... but 24Volt output,
You can use 24 volt to control contactor that can be used to switch 120-240 volt pump
Wiring on following link:
http://waterheatertimer.org/How-to-wire-Intermatic-sprinkler-timers.html

Gene

Water Heater Timers Save Money

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Copy following links:
http://waterheatertimer.org/pdf/How-to-Set-and-Troubleshoot-Intermatic-sprinkler-timer.pdf
http://waterheatertimer.org/How-to-wire-Intermatic-sprinkler-timers.html
http://waterheatertimer.org/images/T8845PV-image-wiring.jpg
Add a comment and say what sprinkler head you are attaching to timer

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

You have 120Volt Intermatic sprinkler timer with 24Volt output.
Copy following link for setting sprinkler timer:
http://waterheatertimer.org/pdf/How-to-Set-and-Troubleshoot-Intermatic-sprinkler-timer.pdf
Copy following link for wiring Intermatic sprinkler timer:
http://waterheatertimer.org/How-to-wire-Intermatic-sprinkler-timers.html
Add a comment
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If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Maybe the trippers are worn out??
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler
Add a comment and give model number of product, and say if this is new installation or older installation that stopped working recently.

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The fact that you are getting no error message indicates that programming is not right, or there is electrical short between timer and sprinkler solenoid:

With all digital timers, it is important to clear memory before starting, and then double-check there are no conflicts in programming.
Page 22-23 of the manual has quick-check procedure for identifying shorts that would cause problems.
Check outlet with circuit analyzer to check for correct polarity and grounding.
Google search Hunter Pro C manual to download searchable pdf manual
Keep in mind also that digital timers are susceptible to line noise, and power surge. Simple power outage can disable digital timer. There are no replacement parts.
That's why I recommend good old fashion 14-day repeat-cycle mechanical sprinkler timer with fewer features, but replaceable parts.
For example T8845PV with 24Volt ac output
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler
http://waterheatertimer.org/How-to-wire-Intermatic-sprinkler-timers.html
http://waterheatertimer.org/How-to-wire-Intermatic-sprinkler-timers.html#T8845PV

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Open following links for resources:
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler
http://waterheatertimer.org/images/T8845PV-image-700.jpg

If you have 2 hot wires, then you have 240Volt circuit from breaker box.
T8845PV is 120Volt timer.
How to wire for 120Volt: Use one hot wire to connect to LINE terminal. Cap off other hot wire. Then connect bare ground wire to terminal marked NEUTRAL.
This is not code, but it will work until you have time to run 120Volt line from nearby 120Volt outlet.
Read about 120 and 240Volt circuits
http://waterheatertimer.org/B220C.html

T8845PV is 120Volt timer, made to control 24Volt sprinkler valve.
Inside the timer, there are two wiring terminals marked LINE and NEUTRAL
120Volt cable from circuit breaker has black hot wire and white neutral wire.
Connect black hot to terminal marked LINE
Connect white neutral to terminal marked NEUTRAL

The yellow wires are 24Volt output.
Yellow wires connect to sprinkler valve.
Do not connect 120Volt to yellow wires.
This timer does not have terminals for rain sensor:
http://waterheatertimer.org/pdf/How-to-Set-and-Troubleshoot-Intermatic-sprinkler-timer.pdf

Three things to look for:
1) If sprinkler turns on-off but doesn't advance to next zone, then Sprinkler Valve is suspect, and timer is good.
2) If sprinkler stays on all the time, or never turns on, then Timer is suspect.
3) If sprinkler turns on-off, but leaks when it's supposed to be off, then Sprinkler Valve is suspect, and timer is good.
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler

Intermatic sprinkler timers are 24 hour repeat cycle, with day-skipper option.
The timer does not change zones. The timer just turns ON-and-OFF at scheduled times.
Each tripper represents 12-15 minutes of watering. And then the timer circuit turns OFF.
When timer circuit turns OFF, the sprinkler system is designed to advance to next zone each time.
So when the timer circuit turns OFF and then turns ON again, your sprinkler control starts watering the next zone. This is the way sprinkler systems are designed.
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler

If you had a sprinkler system with 1 zone, or could change your sprinkler system to 1 zone on certain days, then the timer would turn that zone on-off each time.
Call a local sprinkler company and see if they have a dual control or some solution >> but sprinkler controls are outside my area of expertise. I am timer expert.

You could solve problem with two separate sprinkler systems, but that would require two timers. I have never seen a 2-channel sprinkler timer. There are electronic two-channel timers that can handle two different programming schedules with minimum 1 minute on-off, and these timers can cost a few hundred dollars up to thousands, PLUS cost of the dual sprinkler system. Add a comment and let me know if two-channel timers are something you want information on.