Orbit 57894 Irrigation Controller Instruction Manual
Orbit 57894 Irrigation Controller
Orbit 57894 Instructions
Here we offer the Orbit 57894 Irrigation Controller manual completely free and in English. We have cataloged this manual in the Irrigation Controllers section on Manualverse, and it has been rated by 1 users with an average rating of 5. If you have any specific questions about Orbit 57894 Irrigation Controller, we suggest checking the Frequently Asked Questions (FAQs) section of this manual.
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Orbit 57894 Irrigation Controller Specifications
| Feature | Specification |
|---|---|
| Model Number | 57894 (also applies to 57896, 57899, 57900, 27894, 27896, 27892, 27999, 91894, 91896, 91892, 91899) |
| Watering Programs | 3 Independent Programs (A, B, C) |
| Start Times per Program | Up to 4 |
| Watering Duration (Run Time) | 1 to 240 minutes per station |
| Watering Frequency Options | Days of the week, Intervals (Every "X" days), Odd/Even days |
| Rain Delay Settings | 24, 48, or 72 hours |
| Water Budgeting Range | 10% to 200% (in 10% increments), Default 100% |
| Battery Type (for program retention) | 1 Lithium CR2032 (included), Recommended Annual Replacement |
| Operating Temperature Range | 32°F to 158°F (0°C to 70°C) |
| Station/Pump Max Loading | 250mA per station/pump |
| Timer Max Loading | 500mA total |
| Wire Gauge (Valves to Timer < 700') | Orbit® sprinkler wire or 20 AWG plastic jacketed thermostat wire |
| Wire Gauge (Valves to Timer > 700') | 16 AWG wire |
| Wire Stripping Length | 1/2" (12 mm) |
| Warranty | 6 Years from Date of Purchase |
| Certifications & Listings | UL-50 Standard, ETL® Listed, CSA® & CE® (international models), Canadian ICES-003 (Class B) |
Orbit 57894 Irrigation Controller Details
The Orbit 57894 Irrigation Controller is designed for ease of use, incorporating Orbit’s exclusive Easy-Set Logic™. This innovative feature streamlines programming and setup, combining advanced timer technology with remarkable versatility. Users can select from fully automatic, semi-automatic, or manual watering programs to suit all their irrigation needs.
The controller boasts an intuitive user interface, featuring a clear digital display and a prominent dial with distinct positions for functions like AUTO, CLOCKSET, DATE SET, START TIME, RUN TIME, HOW OFTEN, BUDGET, and OFF. Additionally, dedicated buttons such as ENTER/MANUAL, CLEAR, PROGRAM, arrow keys, RAIN DELAY, and +/- allow for precise control and navigation through settings. These elements ensure a straightforward programming experience for all users.
Installation of the Orbit 57894 is designed to be user-friendly, although specific guidelines are provided. When selecting a location, it is advisable to choose an area near a power source, away from direct sunlight, and with at least 9 inches of clear space to the left for the door to swing open. The timer is weather-resistant to UL-50 and ETL® listings, but it should not be placed in areas subject to continuous water exposure.
Wiring electric valves to the controller is simplified with "push-in" terminals. Users must strip 1/2 inch of insulation from each wire, connecting one wire from each valve to a common sprinkler wire (typically white). The remaining valve wire connects to its specific station terminal. It is crucial to use wire nuts, solder, or vinyl tape for secure connections, especially Orbit Grease Caps in wet environments, to prevent corrosion and water infiltration.
Power connection depends on the installation location. For indoor use, simply plug into a 110V electrical outlet. Outdoor installations require either a covered Ground Fault Interrupter (GFI) outlet or permanent wiring by a licensed electrician, adhering to local codes. The controller has a built-in transformer and requires 14 AWG minimum power feed wire for permanent setups.
The controller includes a Lithium CR2032 battery, which must be activated by removing a plastic strip. This battery is vital for retaining the programmed schedule during AC power losses, with annual replacement recommended. However, it's important to note that the battery alone does not operate the sprinkler system valves; AC power is always necessary for operation.
One of the key advantages of this controller is its support for three independent programs (A, B, C). This flexibility allows different watering schedules for various zones, accommodating diverse needs such as drip irrigation areas, newly planted lawns, or rotary sprinkler stations. This multi-program capability significantly enhances irrigation efficiency by grouping stations with similar water requirements.
The Start-Time Stacking feature intelligently handles overlapping programs: if a new start time is set before a previous program completes, it will be delayed until the prior program finishes. Should a program ever be lost, a factory-installed fail-safe program activates, watering each station for 10 minutes daily, providing a basic backup.
Additional features like Rain Delay allow users to pause watering for 24, 48, or 72 hours due to rain, with the display showing the remaining delay time. Water Budgeting offers seasonal adjustments, letting users scale watering durations from 10% to 200% of the set time. For immediate needs, Manual Watering enables users to operate specific stations or all stations without altering the saved program, offering temporary control with custom durations.
The Orbit 57894 also supports a master valve or pump start relay operation, essential for systems requiring a pump. Users can connect a rain sensor to dedicated yellow terminal ports, and a sensor bypass switch is included for maintenance purposes. Comprehensive troubleshooting information and technical support contact details are provided in the manual to assist with common issues and ensure optimal performance.
Frequently Asked Questions (FAQs)
Can't find the answer you need? Here are some frequently asked questions about the Orbit 57894 Irrigation Controller, and we answer them below.
