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PowerFlex 700L Technical Data
Cooling Loop Options
This section provides information about the various types of cooling loops.
Liquid-to-Liquid Heat Exchanger
The liquid-to-liquid heat exchanger utilizes a heat transfer plate to transfer heat from one liquid to another. This method
requires a stable water supply from the user.
Liquid-to-Liquid
Heat Exchanger
PowerFlex 700L
Drive
Inlet
Drive
Outlet
From
Drive
Outlet
Hose Kit
To
Drive
Inlet
Return
In
To
From
Supply Supply
Flow
Indicator
Customer
Supplied Piping
To Facility Water
= hose or pipe connection
The drawing below shows a cooling loop diagram for a typical liquid-to-liquid heat exchanger.
Ambient Sensor
TE
Control
Valve
Strainer
IN
OUT
Heat Exchanger
Supply
Process
Water
Drive Coolant Temp.
Flow Switch
TE
FS
OUT
IN
Level Switch
LS
IN
Reservoir
OUT
Drive
Pump
The main components of the liquid-to-liquid heat exchanger cooling loop include:
Part
Strainer
Control Valve
Heat Exchanger Plate
Ambient Sensor
Drive Coolant Temperature Sensor
Drive Coolant Flow Switch
Level Switch
Reservoir
Pump and Motor
Publication 20L-TD001A
Description
Filters particles from the supply water.
Controls the supply loop water flow.
Transfers heat from the drive loop to the supply loop.
Senses the ambient temperature used for the dew point control.
Senses the drive coolant temperature used for the dew point control.
Measures the drive coolant flow rate.
Senses the level of coolant in the reservoir.
Stores drive coolant.
Circulates drive coolant.
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