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HKS

Weathermatic 4-8 Zone Base Controller

$455.00

4-Zone base model controller/timer with an external transformer.

Features & Benefits of the SL800 Controller
  • 4-zone base model, expandable to 8 zones using SLM2 2-zone hot-swappable modules (Indoor rated)
  • External transformer with plug and play barrel connector
  • Large LCD display
  • 2 run modes: Standard mode runs user input zone run times; Auto Adjust mode requires SLW Series On-Site Weather Station to calculate weather 
    based run times
  • Rain/Freeze sensor bypass/active button displays sensor status with tricolor LEDs (red indicates sensor is prohibiting irrigation; orange indicates an extended rain delay; green indicates normal operation)
  • 4 programs: A, B, C; program D can operate concurrently
  • 8 start times per program
  • Nonvolatile memory and real-time clock/calendar to retain programs and current date and time - no battery required
  • Zone run times from 1 min. to 9 hrs. 55 min. with operation countdown displayed in hours, minutes, and seconds
  • Watering day selections of custom days of the week, odd/even, or interval days (1 - 30 days)
  • Omit settings: omit time of day window, omit day(s) of the week, and omit up to 7 calendar dates
  • Seasonal % adjust by program, by month for simple year round water budgeting (monthly percentages overridden in Auto Adjust mode)
Specifications
  • Input: 120VAC/60Hz @ 250mA for 3 valves
  • Output: 28VAC, 720mA maximum
  • Fuse: 1.0A, slow blow
  • Dimensions: 7" W x 7-3/4" H x 1-3/4" D (17,8 cm x 19,7 cm x 4,4 cm)
Auto Adjust Features
  • ZIP Code input (5 digits) or Latitude input (+/-60 degrees from EQUATOR) establish the location of the site for solar radiation calculation
  • Sprinkler type input allows selection for zone sprinkler type (SPRAY, ROTOR, DRIP, BUBBLER) with preset precipitation rate or specific input of the zone precipitation rate (.2 - 3.0" per hour)
  • Plant type input allows selection for zone plant type (COOL TURF, WARM TURF, SHRUBS, ANNUALS, TREES, NATIVE) with preset crop factors or specific input of the zone crop factor (10 - 300%)
  • Soil type input allows selection for the soil type (CLAY, SAND, LOAM) and slope (0 - 25 degrees) for the purpose of automatically calculating a run/soak period to virtually eliminate runoff
  • More/Less is settable by zone (-50% to +25%) for the purpose of fine tuning Auto Adjust run times to accommodate factors like shade, wind, and sprinkler inefficiencies