The Agro Electro 0090 is a versatile agricultural electrical controller designed for irrigation systems, greenhouse climate control, and farm equipment automation. It features programmable timers, moisture sensor inputs, temperature/humidity monitoring, relay outputs for pumps and valves, LCD display with backlight, waterproof housing (IP65), battery backup, and remote control capability. Powered by 12-24V DC or 110-240V AC. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.
Key components: Main control unit with LCD display, Remote Control, Sensor input terminals, Relay output terminals, Power supply connectors, Programming buttons.
| Feature | Description |
|---|---|
| LCD Display | Backlit screen showing status, time, and programming |
| Sensor Inputs | 4 ports for moisture, temperature, humidity, rain sensors |
| Relay Outputs | 6 channels for pumps, valves, fans, lights (10A each) |
| Power Input | 12-24V DC or 110-240V AC with automatic detection |
| Battery Backup | Internal rechargeable battery for memory retention |
| Waterproof Housing | IP65 rated for outdoor and humid environments |
| PROGRAM | Enters programming mode |
| MANUAL/AUTO | Toggles between manual override and automatic operation |
| RESET | Resets alarms and fault conditions |
| POWER | Turns controller on/off |
Unpack and inspect contents. Mount on wall or panel in protected location.
WARNING! Disconnect all power before installation. Use proper gauge wires. Ensure housing is sealed.
Power on controller; follow display prompts.
CAUTION! Verify sensor readings before relying on automatic control. Keep programming manual accessible.
Access menus via PROGRAM button. Front Panel: POWER, PROGRAM, MANUAL/AUTO, RESET, Navigation arrows, ENTER.
Remote: POWER, PROGRAM, MANUAL, ARROWS, ENTER, CANCEL, TEST.
Programming: Schedules (start time, duration, days), Sensor thresholds (moisture, temperature), Output sequencing, Manual override. Settings: Language, Time format, Display contrast, Alarm settings, Calibration. Security: Password protection (default 0000).
Sensor Inputs: Ports 1-4 for various sensors. Relay Outputs: Terminals 1-6 for loads.
Tip: Use shielded cables for sensors in electrically noisy environments.
Supports multiple independent schedules and sensor-based control.
WARNING! Do not exceed relay ratings. Test system thoroughly before leaving unattended.
Overload Protection: Automatic shutdown if current exceeds limits. Sensor Failure Detection: Alerts if sensor disconnects or gives invalid readings. Water Detection: Alarm if moisture inside enclosure. Password Protection: Prevents unauthorized programming changes.
Disconnect power before maintenance. Clean exterior with damp cloth; ensure vents are clear. Check connections annually for corrosion.
CAUTION! Do not open housing while powered. Use only mild cleaners; avoid solvents.
CE Certified: Complies with EU electromagnetic compatibility and low voltage directives. FCC Part 15: Class A digital device. Copyright © 2025 Agro Electro; trademarks of Agro Electro Ltd. For support, visit www.agroelectro.com or contact +1-800-555-0090.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No display | Power supply | Check voltage at terminals; verify battery backup. |
| Output not activating | Programming/fuse | Verify schedule; check fuse; test in MANUAL mode. |
| Incorrect sensor reading | Calibration/connection | Recalibrate sensor; check wiring for damage. |
| Unit resetting | Power fluctuations | Stabilize power supply; check for spikes. |
| Communication error | Remote distance/obstacles | Reduce distance; ensure line of sight. |
Reset: Press RESET for 10 seconds to clear faults (does not erase programs).
Factory Reset: PROGRAM > SYSTEM > Reset All (requires password).
Service: +1-800-555-0090; www.agroelectro.com/support