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

Unique ref.: nv-200-lf-if-r125
Brand: Leonard Valve Company
Product family: Mixing Valves for Liquid Services
Product group: Digitally Controlled Mixing Valves
Date of publishing: 2017-05-25
Edition number: 1
Type: Object (single object)
Download (2)

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” inlet ball and check valves, 2” Outlet with ball valve and integral RTD Sensor
Additional Integral RTD Sensors for three critical measurement points; Inlet Hot Water, Inlet Cold Water, and Return Water temperature
Additional Integral Pressure Sensors for two critical measurement points; Inlet Hot Water and Inlet Cold Water
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.

Material main:
Material secondary:
Designed in: United States
Manufactured in: United States

BIMobject Category: Plumbing - Valves
IFC classification: Valve
UNSPSC name: Valves
UNSPSC code: 401416
Uniclass 1.4 Code: L71177
Uniclass 1.4 Description: Mixing valves
Uniclass 2.0 Code: PR-94
Uniclass 2.0 Description: Valves
Uniclass 2015 Code: Pr_65_54_40_16
Uniclass 2015 Description: Control valves
NBS Reference Code: 94-94
NBS Reference Description: Valves
CSI MasterFormat 2014 Code: 23 09 13.33
CSI MasterFormat 2014 Title: Control Valves
OmniClass Number: 23-27 31 29
OmniClass Title: Mixing Valves
CSI UniFormat II Code: D20
CSI UniFormat II Title: PLUMBING
This product is available in:
North America
  • Canada
  • Mexico
  • United States