Temperature Control Unit | Water Circulating

VT-275-LXT

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Product Overview

Water temperature control units are engineered to provide precise fluid temperature control over a wide range of applications.
These units are used to preheat industrial processes to the desired operating temperature by recirculating water through the process and engaging the unit’s electric immersion heater.
After reaching the operating temperature, the unit can continue to add heat or become a cooling device by precisely exchanging & mixing cooling water (supplied from an external source) with the recirculated water to maintain tight temperature control.
This temperature control unit requires a plant water supply source.
Temperature control units are portable, built on casters to easily move the unit between processes.
Temperature can for these units is 32°F to 300°F.

Specifications

Specification Notes:

Since product innovation and improvement is our constant goal, all features and specifications are subject to change without notice or liability. Selection of certain optional features may change listed specifications.
Derate heater output by 25% for 208/3/60 operation.
Full load amps are higher than run load amps and must be used for sizing disconnects and supply wiring. Not for construction. Consult factory for power requirements of unit as configured and on selected options.
The Sentra cannot achieve temperatures below the cooling water supply temperature and will provide warmer water to process compared to the cooling water temperature even with the cooling valve fully open. Consult Factory for more information.
Consult factory for 50HZ operation.
Unit weight crated for shipment.

Features

Process Pump
High flow centrifugal pump and motor in one assembly
3/4 horsepower
Custom designed pump casing & impeller generates high flow rate
Turbulence generated by high flow rates improves heat transfer and promotes better part quality
Horizontal orientation and internal seal area flush extends pump seal life
Integral fluid bypass reduces performance problems associated with low flow
Open drip proof motor
Electrical
DIN rail mounted UL approved finger safe electrical components
Color coded & numbered wires are easy to identify for service purposes
Control instruments are plug to plug for easy removal for service
IEC motor starter with overload, phase loss & short circuit protection
Rugged IEC mechanical heater contactor
Cabinetry
Stainless steel electrical cabinet & enclosure panels
Polymer front panel
2" casters for portability

Heater
10kW
Low water density for long operational life
High temperature rated stainless steel sheath minimizes damage from dissolved chemicals in water
Flange mounted for easy service
Cooling Valve
Precision control solenoid cooling valve
Pulsed cooling, controlled by the microprocessor instrument
For precise temperature control
System Limits
Discreet high temperature limit switch
Control circuit fuse
Process pressure relief valve
Water supply switch prevents operation when water supply is below 55 psi
Pressure Gauges
Provides full process performance information
To process
From process
Warranty (standard units)
Pump Seal : Lifetime
Control Instrument : 4 years
Heater & Cooling Valve : 2 years
Mechanical system : 2 years
Warranty Document

Options

System
Mold purge
Rear panel cover
Closed circuit cooling
Closed circuit cooling with expansion tank
Non-ferrous construction
Dual zone dolly
Dual zone dolly with water manifold & electrical junction box
Dual zone stacking stand with water manifold and casters
Dual zone stacking stand with water manifold and electrical junction box
Dual zone stacking stand with water manifold, electrical junction box and castors
Electrical
Solid state heater contactor
UL508A electrical panel
Cooling Circuit
3/4" AVT cooling valve
Other Pumps
1 HP @ 45 GPMChanges model to: VT-2100-LXT
1.5 HP @ 65 GPMChanges model to: VT-2150-LXT
2 HP @ 75 GPMChanges model to: VT-2200-LXT
3 HP @ 80 GPMChanges model to: VT-2300-LXT
5 HP @ 90 GPMChanges model to: VT-2500-LXT
7.5 HP @ 100 GPMChanges model to: VT-2750-LXT
Other Heaters
16kWChanges model to: VT-375-LXT
24kWChanges model to: VT-475-LXT
34kWChanges model to: VT-575-LXT

Control Instrument

LXT Series Control Instrument
Touch screen simplicity
4.3 inch full color touch screen interface
More than 15 screens with custom set-up, operation & system monitoring information.
Home screen includes continuous setpoint and to process temperature.
Digital flow rate display and from process temperature on informational screen.
% Heating or Cooling indication on home screen.
Standard shut down pump seal cooling feature.
User configurable automatic start-up venting.
Out-of-spec alarm including standard audible signal.
Pump rotation monitor.
Selectable SPI or Modbus RTU communication.
Optional Modbus TCP communication.
Operates exclusive AVT modulating cooling valve.
Drop in replacement for older Advantage HE series control instrument.
Selectable English or Spanish language display
Selectable °F or °C temperature display
For process fluid temperature up to 250°F
Optional : High temperature fluid capability to 300°F
Optional : 2nd setpoint cable 20ft length

Support Documents

Model VT-275-LXT shown. Image shown is typical. Actual unit appearance will vary according specifications and options.