Dimplex DC12 Manual de servicio descargar pdf (Pagina 42)

PowerFlex 700L Technical Data

42 Publication 20L-TD001A

Liquid-to-Air Heat Exchanger

The liquid-to-air heat exchanger utilizes radiator technology to transfer heat from a liquid to surrounding air. This is a

simple closed loop system — it does not require a water supply from the user. However, this system requires surrounding

air 5 to 10°C below the maximum operating temperature of the drive.

The drawing below shows a cooling loop diagram for a typical liquid-to-air heat exchanger.

The main components of the liquid-to-air heat exchanger cooling loop include:

Part Description

Fan Blows air across the radiator.

Radiator Transfers heat from liquid to air.

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 Allows for expansion of coolant.

Pump and Motor Circulates drive coolant.

PowerFlex 700L

Drive

Inlet

Drive

Outlet

Hose Kit

= hose or pipe connection

Drive

Inlet

Radiator

From

Drive

Outlet

Liquid-to-Air

Heat Exchanger

Flow

Indicator

Ambient

Sensor

Fan

On/Off

Control

Drive Coolant Temp.

Flow Switch

OUT

Level Switch

Radiator

Reservoir

Drive

OUT

Pump

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Dimplex DC12 Manual de servicio Pagina 42

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