Irrigation systems utilize a 24VAC electronic signal to initialize a valve's solenoid. Even though the system is low voltage, it is still always recommended a trained professional perform these tests.   … Using the AC voltage reading on your voltmeter, …

The Pro-C controller is supplied with a base 4-station module. The Pro-C is also compatible with the EZ Decoder System (EZDS) for hybrid conventional and two-wire operations. Add a Pro-C Decoder Module (PC-DM) to enable control for up to 32 total …

Under the Water Days or Days to Water dial position on your controller you have three options. You can have the program run on specific days, an odd/even schedule, or an interval schedule. To move out of the Interval mode and back into one of your other …

Odd or Even day watering schedules are available on all Hunter controllers. … This feature uses numbered day(s) of the month for watering instead of specific days of the week (odd days: 1st, 3rd, 5th, etc.; even days: 2nd, 4th, 6th, etc.) With the cursor …

The Pro-C controller is equipped with a delay between stations function. This feature allows the user to select a time delay between the end of one station run time and the start of another station's run time. The delay can be as short as a one second or …

The Pro-C controller is modular in design. This means that most controller components can be removed and replaced if needed. For the newer style Pro-C (blue panel and buttons), the part number for the front panel is 821501. The panel fo the older PC-300 …

The NO AC  display is a diagnostic message telling you that the controller has stopped receiving AC power. The controller is running on the power supplied by the backup battery. Check the power source by plugging a lamp or radio into the wall outlet to …

  Lock and Key sets for Hunter controllers can be purchased at a Hunter Authorized Distributor in your area. PN387300 (spare part) Standard key set PN387301 (spare part) Non-Standard key set PN387302 (spare part) Non-Standard key set Find a Hunter …

These tables are designed for quick reference and are set up to provide maximum wire runs, given the information at the bottom of the table. Maximum one-way distance in feet between controller and valve heavy-duty solenoid: 24 VAC, 350 mA inrush current, …

  The  "NO AC" or "Blank"  display is a diagnostic message telling you that the controller has stopped receiving AC power. For the "NO AC" message, the controller is most likely running on the power supplied by the backup battery. Check the power source …

The 9V battery in a Hunter controller has the primary responsibility of providing the ability to program the controller remotely. Face panels can be easily removed and programmed with a 9V battery without the need to be installed in its case or door …

The Pro-C controller will allow for only a single program to run at a time. Therefore you will have to be sure no two programs overlap. In the Set Station Run Times position the Total Run Time calculator will help show what the total amount of time to …

Step 1. Check the controller programming Is there a watering Start Time programmed into the controller? Is the Watering Start Time programmed with correct time of day (i.e. AM or PM)? Is the Current Time set correctly (i.e. AM or PM)? Is today a Water …

    After programming is complete, turn the dial to the RUN position to enable automatic execution of all selected programs and start times. … Pro-C - Automatic …

  Valves currently watering will be shut off after the dial is turned to the SYSTEM OFF position for two seconds. The display will be flashing OFF. All active programs are discontinued and watering is stopped. To return the controller to normal automatic …

A common reason for a controller to repeat a cycle is too many programmed start times. Only one start time per active program is required, a second start time will cycle the program an additional time. NOTE: In the Start Times dial position, the numbers …

The Pro-C allows the user a simplified method for running a test program. This feature operates each station in numerical sequence, from the lowest to the highest. You can start with any station. This is a great feature to check the operation of your …

With the Pro-C controller in production for 17 years, we have continuously upgraded it to accommodate innovative features. Below, you will find every panel we manufactured for the Pro-C model, including the NEW Wi-Fi replacement front panel. For …

This feature uses numbered day(s) of the month for watering instead of specific days of the week (odd days: 1st, 3rd, 5th, etc.; even days: 2nd, 4th, 6th, etc.) When you want to program ODD or EVEN days to water, press the  (-)     button until you see …

This feature is convenient if you want to have a more consistent watering schedule without having to worry about the day of the week or the date. The interval you select is the amount of days between watering including the water day. Turn the dial to the …

The chart below indicates the maximum wire runs that can be used when installing Hunter AC solenoid valves with controllers. The example in the chart below demonstrates the most commonly used wire size for station control and ground wire ( e.g.,12 AWG = …

If your controller shows irrigation running (Flashing Sprinkler Icon), and your sprinklers are not working, you may have a wiring problem at the valves or the irrigation water supply has been shut down. If you have a master valve on your system (check for …

Here is a list of the error codes and ways to troubleshoot them: … CAUSE -   The Station # ERR (for example 1 ERR) is a diagnostic message that appears when your controller is detecting a fault on that corresponding irrigation zone. SOLUTION - To …