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Rockwell Automation 20L PowerFlex 700L Liquid-Cooled Adjustable Frequency AC Drive User Manual

Page 90

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4-2

Cooling Loop Installation

PowerFlex 700L Frames 2, 3A, and 3B Liquid-Cooled AC Drives User Manual
Publication 20L-UM001E-EN-P

Figure 4.2 Liquid-to-Liquid Heat Exchanger Plumbing Diagram

The main components of the liquid-to-liquid heat exchanger cooling loop
are listed below.

Ambient Sensor

Heat Exchanger

Pump

Reservoir

Drive

IN

OUT

IN

OUT

OUT

IN

Drive Coolant Temp.

Control

Valve

Strainer

Supply

Process

Water

Flow Switch

Level Switch

TE

TE

FS

LS

Part Description

Strainer

Filters particles from the supply water.

Control Valve

Controls the supply loop water flow.

Heat Exchanger Plate

Transfers heat from the drive loop to the supply loop.

Ambient Sensor

Senses the ambient temperature used for the dew point control.

Drive Coolant Temperature Sensor

Senses the drive coolant temperature used for the dew point control.

Drive Coolant Flow Switch

Measures the drive coolant flow rate.

Level Switch

Senses the level of coolant in the reservoir.

Reservoir

Stores drive coolant.

Pump and Motor

Circulates drive coolant.