Weathermatic SL4800 SmartLine Controller

Product Description

The WEATHERMATIC SL4800 controller is a four program controller with hot swappable 12-zone modules, expandable to 48 zones. It supports standard timed watering or auto adjust watering times when used with an optional SLW weather monitor. Auto Adjust uses real-time, on-site weather data and system audit data entered by the user.

• Four program controller
• Hot swappable 12-zone modules to allow expansion to 48 zones
• Standard timed watering or auto adjust watering times

Product Highlights

The SL4800 combines ease-of-use with smart irrigation features, offering flexible control and water-saving capabilities for both commercial and residential projects.

Product Information

Standard Information

• Brand: WEATHERMATIC
• Manufacturer Part Number: SL4800

Technical Specifications

• Operation: Controller shall be capable of standard timed watering or auto adjust watering times when equipped with an optional SLW weather monitor manufactured by Weathermatic. Auto Adjust watering shall be based on real time, on-site weather data and system audit data entered by the user. Auto adjust timing shall be based on the Hargreaves ET calculation formula.
• Programs: Each program shall have eight independent start times, calendar schedules, watering budgets by month and a soak/cycle for varying soil percolation rates.
• Pump Start/Master Valve: Controller shall have two (second user assignable) pump start/master valve position which shall be programmable to operate on demand from any selected zone.
• Sensor Input: Controller shall have input for rain and freeze sensor devices. Use of the optional SLW weather monitor shall incorporate the rain and freeze shutdown functions and shall incorporate a 48 hour delay after closure of the rain sense switch.
• Self-Diagnostics: Controller shall have self-diagnostic capabilities to detect short or open zones and the ability to display lists of faults on an LCD display for the user. Diagnostics shall also include LCD display of volt/amp readings by zone and for transformer output as well as backup battery reading.
• Display: Display shall be backlit for clear viewing in all lighting conditions. Zone timing shall be settable from 1 minute to 9 hours and 55 minutes.
• Program Schedules: Program schedules shall include options for days of the week, odd date, even date or an interval of 1 to 30 days. A no water window shall be available to inhibit daily operations of a program between two selected times on a given day; omission of up to 7 specified calendar dates or specific days of the week. Adjustments for leap year shall be automatic.
• Manual Operation: Manual operation shall be provided by program, by station, or on a programmable test program with durations from ten (10) seconds to ten (10) minutes. The programmable test program shall also check for short and open conditions each time it is run.
• Memory: Non-volatile memory shall retain all programming and real-time clock shall be provided to maintain date and time.
• Enclosure: Controller shall be enclosed in a U.L., CE and C-Mark Listed rainproof plastic enclosure with optional key lock. The enclosure shall be rated for outdoor or indoor use. Enclosure shall be a wall mount (pedestal mount) model with removable knockouts on the lower side and back of the housing for choice of wiring location.
• Zone Modules: Zone modules (SLM12) shall be self-contained modules that can be installed without turning off power to the unit and programming of new zones shall not be required. Module wiring connections shall be of the type that allows insertion of solid wires without any tool. Each module shall contain its own surge protection.
• Electric: Controller shall be completely electric in operation. Controller shall be installed and wired in accordance with manufacturer published instructions. Controller shall be capable of operating from an independent power supply. Primary shall be 115V a.c. 60hz or 230V, 50hz.
• Display Type: LCD
• Operating Temperature: 50 Degrees Celsius