Professional

LEIT-1 Anti-siphon Valve

DIG’s LEIT 1™ ASV single-station ambient light (solar) powered controller with a two wire DC latching solenoid is available mounted on a ¾” or 1” heavy duty anti-siphon valve for residential and commercial applications. Powered by a photovoltaic module with a patented microelectronic energy management system, the LEIT 1™ requires no batteries, AC power, or direct sunlight to operate, and can be installed above grade in any location where there is ambient light. Distinguished among the LEIT-1™’s features are twenty preset monthly historical Evapotranspiration (ET) programs for spray heads and drip irrigation, with an editing feature that can be used as part of the controller programming.

Features:

  • Environmentally friendly with no backup battery or AC power necessary; uses clean, renewable solar power
  • Power is provided by an internal, ultra-high efficiency photovoltaic module and microelectronic energy management system fueled by ambient light
  • Simple, icon based intuitive programming
  • Simple Smart™ historical ET feature for spray heads and drip irrigation automatically adjusts irrigation schedules monthly li class='toggle'>see more
  • Power level meter indicates the approximate charge (energy available)
  • On activation, the controller indicates if irrigation is set to water for the day and if any of the additional programming features are active
  • Daily and monthly programming restriction options to complies with city and municipal watering restrictions
  • Semi-automatic and manual operation with timed countdown to off
  • Program On/Off button allows the user to turn off the controller and reactivate it as desired
  • Retractable coiled cord for easy programming and review
  • Utilizes RoHS compliant components
  • Reset option allows erasing of all programs to default settings except time, day, and date
  • Non-volatile memory holds programs indefinitely without batteries except date and time
  • Completely waterproof (IP68)
  • Rain sensor connection included
  • Internal bleed via the solenoid for system checkup and testing
  • Captured solenoid plunger and spring for easy maintenance
  • Efficient plastic anti-siphon valve with high flow
  • Three year warranty

technical


LEIT-1 Anti-siphon Valve
how to specify
Model Description
LEIT-1 Anti-siphon Valve
LEIT1 ASV-100 1 in.
LEIT1 ASV-075 3/4 in.

Controller Specifications:

  • Power source: ambient light (PVM)
  • Controller power input: 3,000 -100,000+LUX
  • Seven keypad buttons with integrated liquid crystal display
  • Temperature range: 38°F to +140°F (3°C to +60°C)
  • Solenoid: 7-12 VDC, two-way latching, normally closed
  • Solenoid control orifice: .065 (1.65 mm)
  • Encapsulated solenoid thread: 11/16 in.-12 UN male thread
  • Retractable solenoid wire: 4.1” (coiled length when extended, approximately 18 in.)
  • Sensor connection: normally closed 6" (15 cm) AWM 1007 / 1569 16 AWG 300V VW-1-yellow wire
  • Solenoid adapter: 11/16 in.-12 UN female thread x ¾”-20 UNEF male threaded
  • Materials:
    • Controller housing: high impact plastic (polycarbonate)
    • Solenoid housing: glass reinforced nylon
    • Plunger & spacer: 430F stainless steel
    • Plunger rubber cap: EPDM
    • O-ring: Buna-N
    • RoHS

Anti-siphon valve Specifications:

  • Valve type: anti-siphon valve with flow control
  • Valve sizes: ¾” to 1” NPT or BSP
  • Valve inlet and outlet: female pipe thread (FNPT)
  • Operating pressure range: 10-150 PSI (.7-10.5 BAR)
  • Bonnet solenoid thread: 11/16"-12 UN
  • Diaphragm assembly: self-cleaning supported with guided seal
  • Flow rate: .25 to 25 GPM (.95-95 LPH-0.057 to 5.68 m3/h)
  • Materials:
    • Controller housing: high impact plastic
    • Valve bonnet: nylon reinforced
    • Valve housing: PVC
    • Diaphragm: EPDM reinforced
    • Solenoid housing & retainer: nylon reinforced
    • Spring and plunger: stainless steel 430F
    • Bonnet bolts: Stainless Steel
    • Plunger rubber cap: EPDM
    • O-ring: Buna-N

Note: Installed the unit 6-12 inches above the highest downstream sprinkler head

Programming

  • Custom programming schedules with a weekly calendar, odd days, even days, or intervals from one to thirty (1-30) days utilizing yearly calendar with leap year
  • Five start times per day
  • Durations up to 5 hours and 59 minutes in one-minute increments
  • 20 preset historical ET programs available for 10 climate zones, with 10 for drip irrigation and 10 for spray heads, to use with any irrigation setup and including the option to review the new calculated duration
  • Monthly seasonal adjustment with option to reduce the program duration setting to 0 or to increase it up to 200% in 5% increments without modifying the controller's program duration; also can be used to fine-tune the preset ET program for each month
  • Irrigation suspension for up to 99 days with auto-restart; resumes irrigation automatically
  • Program Off button allows the user to turn off the controller and reactivate it as desired
  • Manual On/Off button with semi-automatic feature utilizing the program runtime shows the time left to run with quick override
  • Daily and monthly programming restriction feature allows controller to bypass irrigation schedules. Can be used to comply with city and municipal watering restrictions



manuals


Manuals

  • Thumb_26-201_reva-leit-1_wb
    English
    03/29/2013

    LEIT-1 ASV, MVA, ILV, Quick Start Guide

  • Thumb_26-210_reva_062513-leit1_manual-english-w
    English
    10/08/2013
    Spanish
    10/08/2013

    LEIT-1 ASV, MVA


catalogs


Cut Sheets

  • Thumb_41-051_revc_leit-1cs-041613-w
    English
    10/08/2013

    LEIT-1 ASV, MVA, ILV


How To


videos & articles


Videos

  • default

    LEIT-1 Installation - ASV



DIG-Logo-Tag
Corporate Information

Where To Buy
About
Contact Us
Careers

Irrigation-Association-logo American-Society-of-irrigation-consultants-Logo American-Society-of-Landscape-Architects-Logo Recycling-logo

DIG Corporation
1210 Activity Drive
Vista, CA 92081 USA

Tel: (760) 727-0914
Fax: (760) 727-0282
Toll Free: (800) 322-9146


© copyright 2013 DIG Corporation water matters™ | All rights reserved

LEIT-1 Installation - ASV

×