Arkiveret

Megatron NV-300-LF - 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

Specifikation

Digital Mixing Valve with 3” inlet ball and check valves, 3” 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 3" inlets, 3" outlet (76.2mm X 76.2mm) 1-1/2" Return Loop piping with ball and check valves Factory supplied circulator standard with B&G PL-55B 0.25 GPM** (.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-300-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 Displays outlet temperature with 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.

Teknisk specifikation