NV-200-LF-NIF-R125 - Nucleus Digital Mixing Valve

NV-200-LF-NIF-R125 - Nucleus Digital Mixing Valve

The Nucleus Digitally Controlled Mixing Valve from Leonard Valve Company serves as the central monitor & control of a Domestic Hot Water System. The Nucleus Digitally Controlled Mixing Valve capabilities include:

  • +/- 2°F Mixed Water Temperature in accordance with ASSE 1017-2009.
  • +/- 2°F Mixed Water Temperature during periods of low or no system demand
  • 0.5 GPM Minimum Flow with Continuously Operating Recirculation Pump
  • Automatic Shutoff of Valve upon Cold or Hot Supply Failure
  • System Setup & Commissioning from Nucleus Control Module–no PC or Laptop Required
  • LCD Display & Sensor Indicators – Set Point Temperature & Actual Temperature
  • BMS Interface – Native Support for Six Different Protocols including BACnet & Modbus
  • Ethernet Connection for PC or LAN for Valve Programming or Interrogation
  • Web Server to remotely monitor & control Nucleus Mixing Valve
  • Data Logger – stores up to 30 days of temperatures, pressure & flows
  • Nucleus is UL Listed & Approved to E484833. Eco-Mix Certified Lead Free Construction
  • Digital Mixing Valve with 2” angled inlet checkstops, 2” Outlet with ball valve and integral RTD Sensor
    2" inlets, 2" outlet (50.8mm X 50.8mm)
    1-1/4" Return Loop piping with check valves
    0.25 GPM** (0.95 L/min) minimum flow capacity
    Controls water temperature to ± 2°F in accordance with ASSE 1017
    Controls water temperature to ± 2°F at the NV-200-LF during times of low/no system demand
    Automatic Hot/ Cold Water shutoff upon cold/ hot water inlet supply failure
    User programmable for on-site configuration, high-temperature sanitization mode, and high/ low temperature alarm
    User adjustable settings at the controller or remotely through a Building Automation System/ Building Management System
    Six standard BMS Protocol Languages on-board communication
    Cloud based data logging and monitoring capabilities
    User programmable set point range between 65°F and 180°F
    Options to display 4 additional temperature inputs, 1 flow channel input, & 1 configurable flow or pressure
    UL Listed 120V plug in power supply with 6’ cord
    Option for Backup Uninterruptable Power Supply in the event of primary power loss w/ approx. two hours run time
    Factory assembled and tested

    **NOTE: The valve will maintain temperature with 0.25 GPM flow from the domestic hot water loop when properly installed near the hot water source with a continuously operating recirculation pump.
Technical specification
  • Unique ref.nv-200-lf-nif-r125
  • Collection setMixing Valves for Liquid Services
  • CollectionDigitally Controlled Mixing Valves
  • TypeObject (single object)
  • Date of publishing2017-05-25
  • Edition number1
  • Designed inUnited States
  • Manufactured inUnited States
  • BIMobject CategoryPlumbing - Valves
  • IFC classificationValve
  • UNSPSC nameValves
  • UNSPSC code401416
  • Uniclass 1.4 CodeL71177
  • Uniclass 1.4 DescriptionMixing valves
  • Uniclass 2.0 CodePR-94
  • Uniclass 2.0 DescriptionValves
  • Uniclass 2015 CodePr_65_54_40_16
  • Uniclass 2015 DescriptionControl valves
  • NBS Reference Code94-94
  • NBS Reference DescriptionValves
  • CSI MasterFormat 2014 Code23 09 13.33
  • CSI MasterFormat 2014 TitleControl Valves
  • OmniClass Number23-27 31 29
  • CSI UniFormat II CodeD20
  • CSI UniFormat II TitlePLUMBING

Region availability

North America
United States