Rockwell Automation 20L PowerFlex 700L Liquid-Cooled Adjustable Frequency AC Drive User Manual
Page 90

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.