DIG | LEIT 1 Manual Valve Actuator

DIG's LEIT 1™ single-station solar-powered controller with an actuator is used to retrofit a 3/4” or 1” manual anti-siphon valve. Powered by a photovoltaic module with a patented microelectronic energy management system, the LEIT 1™ requires no batteries or direct sunlight to operate and it is used above grade in any location where there is ambient light. Distinguished among the LEIT-1™ features are 20 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:

• No direct sunlight required
• Environmentally friendly with no backup battery or AC power necessary; uses clean, renewable solar power
• Power is provided by an internal, high-efficiency photovoltaic module and microelectronic energy management system fueled by ambient light
• Simple, icon-based intuitive programming
• Simple Smart™ historical ET feature automatically adjusts irrigation schedules monthly
• Power level meter indicates the approximate charge (energy available)
• Used to retrofit a 3/4" or 1" manual anti-siphon valve
• 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 comply with city and municipal watering restrictions
• Semi-automatic and manual operation with a 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
• Built-in flow control with internal or external manual bleed override for Manual ON/OFF
  
• Rugged, reinforced self-cleaning diaphragm provides reliable operation even with contaminated water
• Internal bleed via the solenoid for system checkup and testing
• Captured solenoid plunger and spring for easy maintenance
• Three-year warranty

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"-12 UN male thread
• Retractable solenoid wire: 8.1" (coiled length when extended, approximately 36")
• Sensor connection: normally closed 6" (15 cm) yellow wire (16 AWG)
• Solenoid adapter: 11/16"-12 UN female thread x 3/4”-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

Actuator Specifications:

• Actuator type: retrofit
• Assembled with 3/4” adapter with seat-washer; also includes a 1” adapter with washer in the package
• Operating pressure range: 20-150 PSI (1.4-10.5 BAR)
• Materials:
  • Actuator housing and bonnet: nylon reinforced
  • Diaphragm: NBR (Buna-N)
  • Spring and plunger: stainless steel 430F
  • Bonnet bolts: Stainless Steel
• Plunger rubber cap: EPDM
• O-ring: Buna-N

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 1-minute increments
• Twenty 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; includes the option to review the new calculated duration
• Monthly seasonal adjustment with the 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 and shows the time left to run with quick override
• Daily and monthly programming restriction feature allows the controller to bypass irrigation schedules. Can be used to comply with city and municipal watering restrictions

Manuals

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

LEIT-1 ASV, MVA Instruction Manual