HYDRO-RAIN HRC 990 04 01 - User Manual

Battery-Powered
Controller
HRC 990 04 01 (04020)
MODEL 04020
PN 04020-24 rB
No external power source needed
Operates up to four sprinkler valves
(sold separately)
IP 68 rated (submersible to 1.2 m)
Intuitive dial programming

Summary

Battery-Powered Controller

Buttons, Dial and Display

Button Functions

Details the function of each control button (A-G) on the HRC 990 controller.

Dial Position Functions

Explains the operation for each position of the controller's dial.

Display Indicators Explained

Defines the meaning of all indicators shown on the controller's digital display.

Activate or Install Batteries

Battery Installation and Replacement

Step-by-step guide for installing and replacing the controller's batteries.

Programming Your HRC 990

Setting Time and Date

Instructions for setting the current time of day and the date (year, month, day).

Setting Watering Schedules

Covers setting start times, frequency (days/interval), and run times for watering.

Additional Features

Water Budget and Rain Delay

How to adjust watering duration seasonally and implement a rain delay.

Moisture Sensor Integration

Information on using the controller with an optional moisture sensor module.

Connecting the HRC 990 to a Valve

Valve Connection Procedure

Step-by-step guide for connecting the controller to sprinkler valves, including adapters.

Hardware Accessories Overview

Lists and describes available optional hardware accessories for the controller.

Glossary of Terms

Accessory Definitions

Defines terms related to accessories like solenoid adapters and modules.

Troubleshooting

Station Operation Issues

Troubleshooting for stations not turning on, turning on unexpectedly, or stuck on.

Power and Schedule Errors

Diagnosing power loss, all stations off, and incorrect station cycling problems.

HYDRO-RAIN HRC 990 04 01 Specifications

General

Brand	HYDRO-RAIN
Model	HRC 990 04 01
Category	Controller
Language	English