HRC 100
Basic controller troubleshooting
Last Updated: July 2, 2024Below are a collection of common problems and their recommended solution. Display and error codes DISPLAY: The time keeps flashing. REASON: When programmed the display will flash between the current time and the scheduled run time if the controller is scheduled to water in the next 24 hours. PROBLEM: The controller has a partial or...
Can I wire 2 stations together
Last Updated: July 2, 2024The Hydro-Rain line of irrigation controllers are equipped to operate 2 stations at the same time. This is done to support users with a master valve or a pump. So if you do not have a master valve or pump can you operate two stations on a single terminal wire? Technically yes, so should you?...
Error Codes for the HRC 100
Last Updated: February 10, 2023Station Faults The HRC 100 controller has built in circuitry for detecting several faults. If the word fault appears before the word program, the controller will display the station number causing the fault. The controller will operate as normal, but will skip any station with a fault. NOTE: If more than one zone are at...
HRC 100 Auto and Run
Last Updated: September 11, 2023On the HRC-100 you may notice that your manual says “AUTO”, but you controller only has “RUN”. These settings are the same.
HRC 100 Battery
Last Updated: February 10, 2023The HRC 100 Controller requires a CR2032 Lithium battery for proper operation. The battery will maintain your program in case of an AC power loss and should last approximately one year. The battery backup for the HRC 100 controllers is located to the right of the screen. You’ll notice the front sticker is cut in...
HRC 100 Manual
Last Updated: April 23, 2025HRC-100-C User manual in English, French (Francais), and Spanish (Espanol) SKU: HRC-100-C-04, HRC-100-C-06, HRC-100-C-09, HRC-100-C-12 Models: 04054, 04056, 04059, 04052
HRC 100 Manual Watering
Last Updated: February 10, 2023Your HRC 100 has the ability to allow you to manually water without disturbing the preset program. Turn the dial to [AUTO] Press the [MANUAL] button. The display will show ABC and ALL. After a few seconds or by pressing [ENTER] the controller will begin manual watering All stations will water consecutively for their programmed...
HRC 100 Programing
Last Updated: September 11, 2023The HRC 100 C provides the flexibility of using 3 independent programs (A, B, and/or C). A program is where you store all of your sprinkler settings. It consists of a group of stations set to specific start times and run times. Multiple programs allow you to run different valves on different days with different...
HRC 100 Pump and Master Valves
Last Updated: June 24, 2024This sprinkler controller allows a master valve or pump start relay to operate whenever a station is on. From the pump start relay (or master valve); connect one wire to the “Pump” terminal and the other wire to the “Common” terminal. Note: If you are activating a pump from this controller, you must purchase a...
HRC 100 Rain Delay
Last Updated: February 10, 2023[RAIN DELAY] allows you to delay your sprinkler controller from watering for a set period of time. Delay settings are 24, 48, and 72 hours. Turn the dial to [RUN] Press the [RAIN DELAY] button to automatically delay watering for 24 hours If a longer Rain Delay is desired, press the arrow buttons to increase...
HRC 100 Rain Sensor
Last Updated: February 10, 2023Connecting a Rain Sensor Remove the factory-installed jumper wire from the wiring terminal ports (yellow in color) labeled “Sensor”. Connect the rain sensor wires to the wiring terminal ports (yellow in color) labeled “Sensor”. Note: Refer to your rain sensor manual for specific wiring instructions. Place the sensor on/off switch to the “on” position to...
HRC 100 Seasonal Adjustment
Last Updated: February 10, 2023Water Budgeting Water Budgeting (Seasonal Adjustment) is a simple way to adjust your watering duration to match seasonal watering needs. Water Budgeting works by increasing or decreasing watering duration for all stations in each program. Press the [PROGRAM] button to select the program you wish to budget. The adjustment range is from 10% to 200%...
HRC 100 Test Cycle
Last Updated: April 29, 2024The HRC 100 C is capable of running a “Manual Test Cycle” which will run all stations for as little time as 1 minute or as much as 240 minutes. This feature is very useful upon completion of system installation or service. Turn the Dial to “Run”. Press the Enter/Manual portion of the keypad and...
HRC 100 Troubleshooting
Last Updated: February 10, 2023One or more valves do not turn on Faulty solenoid connection Wire damaged or severed Flow control stem screwed down, shutting valve off Programming is incorrect Stations turn on when they are not supposed to The water pressure is too high More than one start time is programmed AM/PM is incorrect One station is stuck...
Programming a controller for indexing valves
Last Updated: July 2, 2024If you have an Indexing Valve and want to use it with a controller, then this article will help with wiring and programming.
Pump Faults
Last Updated: July 2, 2024A pump fault message appearing on your controller or B-hyve app typically means that your controller is detecting a short in the wire connected to the PUMP terminal. An easy test to do is removing the wire from the PUMP terminals in your controller. Then attempt to run a station or program manually. If the...

