Dimplex DC12 Wartungshandbuch PDF herunterladen (Seite 43)

PowerFlex 700L Technical Data

Publication 20L-TD001A 43

Chiller

The chiller utilizes refrigerant to transfer heat from a liquid to air. This is a simple closed loop system — it does not

require a water supply from the user. A chiller can achieve almost any coolant temperature required. Coolant temperature

should be at or above ambient temperature to avoid condensation on drive components.

The drawing below shows a cooling loop diagram for a typical chiller.

The main components of the chiller cooling loop include:

Part Description

Compressor Forces the refrigerant into a smaller space.

Fan Blows air across the condenser/subcooler.

Condenser/Subcooler Cools the refrigerant.

Filter-Drier Filters the refrigerant.

Sight Glass Allows viewing of the level of drive coolant in the reservoir.

Thermostatic Expansion Valve Allows for expansion of the refrigerant.

Level Switch Senses the level of coolant in the reservoir.

Reservoir Allows for expansion of coolant.

Pump and Motor Circulates drive coolant.

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.

Ambient Sensor Senses the ambient temperature used for the dew point control.

PowerFlex 700L

Drive

Inlet

Flow

Indicator

Drive

Outlet

Hose Kit

= hose or pipe connection

Drive

Inlet

Radiator

From

Drive

Outlet

Chiller

Drive

Out

Reservoir

Pump

Condenser/Subcooler

Fan

Compressor

SOL

TE FS

Ambient

Sensor

Sight Glass

Thermostatic

Expansion Valve

Filter-Drier

Drive Coolant

Temperature

Flow

Switch

Level

Switch

1 2 ... 38 39 40 41 42 43 44 45 46 47 48

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