Variable Frequency Drive Controllers: Fluid Handling, Heat Transfer and Energy Recovery Systems by EnviroSep

Variable Frequency Drive Controllers

All EnviroSep Variable Speed Controllers, are manufactured under the standards of UL-508A, carry as standard an Underwriters Laboratories (UL) Listing, and are guaranteed to provide the performance specified. EnviroSep, Variable Speed Controllers, are designed and configured for a broad range of capabilities in both commercial and industrial applications such as Primary Flow Systems, Wastewater Return, High Efficiency and Precision Systems, etc.

As a manufacturer of Totally Integrated Engineered Systems, such as Heat Transfer Systems, Packaged Pumping Systems, Wastewater Heat Recovery Systems, and Boiler Feedwater / Deaerator Systems EnviroSep offers a more complete approach to Systems Integration.

Operational testing of each Variable Speed System is performed prior to shipment. These offerings do not fully illustrate the capabilities of EnviroSep to custom design and manufacture Integrated Systems for nearly all applications

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Standard Construction

NEMA 12 Enclosure(s)
Single-point, Line power connection
Through-the-door, fused disconnect interlocking with operator handle
Circuit Breaker protection for each individual motor circuit
Fused Control Transformer on Primary & Secondary
Control Power On / Off, selector switch with pilot light indicator
Manual - Off - Automatic, selector switch for each motor circuit with pilot light Run indicator
Numbered terminal blocks and wiring with corresponding electrical schematic
Local AFD operation via independent AFD interface
Line Reactor for each motor circuit
Drive identification, parameters, and faults
Recall of adjustments and drive configuration
Display of running values: frequency, output current and power, etc.

Optional Equipment

Single or multiple motor circuits arranged in Parallel or Stand-by operation
Electrical or Electronic Alternator for systems with multiple motors in Lead / Lag operation
Auto Stand-by motor start on primary motor failure
NEMA 1, 3R, 4, 4X, or 8 enclosures
Operator friendly touch-panel interface
Profibus, Modbus, DirectNET, DeviceNET, Sysmac, & Ethernet communication protocols for any BAS
PC-Based Control
Various arrays of Pressure, Temperature and other Integral Controls

NOTES:
1. For standard controller, user shall supply external signal to contact blocks for automatic operation.
2. Multiple motor voltages are available in single panel upon customer request.
3. Field-mounted auxiliary switches such as Pressure, Differential Pressure, Level, or Temperature switches are available upon request.

Variable Speed Controllers Cost Justification