Danfoss 102 Manual de usuario descargar pdf (Pagina 2)

2 Manual RS8DY302 © Danfoss 07-2005 EKC 102

Introduction

Application

• The controller is used for temperature control refrigeration appli-

ances and cold room

• Defrost control

• For front panel mounting

Principle

The controller contains a temperature control where the signal

can be received from one temperature sensor.

The sensor is placed in the cold air ﬂow after the evaporator or in

the warm air ﬂow just before the evaporator.

The controller controls the defrost with either natural defrost or

electric defrost. Renewed cutin after defrost can be accomplished

based on time or temperature.

A measurement of the defrost temperature can be obtained

directly through the use of an S5 sensor.

One or two relays will cut the required functions in and out – the

application determines which:

• Refrigeration (compressor or solenoid valve)

• Defrost

• Alarm

• Refrigeration 2 (compressor 2

)

The diﬀerent applications are described on next page.

Advantages

• Integrated refrigeration-technical functions

• Defrost on demand in 1:1 systems

• Buttons and seal imbedded in the front

• IP65 density from the front panel

• Can control two compressors

• Digital input for either:

- Door alarm

- Defrost start

- Start/stop of regulation

- Night operation

• Instant programming via programming key

• HACCP

Factory calibration that will guarantee a better measuring accu

racy than stated in the standard EN 441-13 without subsequent

calibration (Pt 1000 ohm sensor)

The series

There are three controllers in the series:

A-model for simple regulation

B-model where an alarm function and possibly also a digital input

will be required

C-model where the defrost temperature also enjoys top priority

All these three controllers are without data communication.

If data communication or additional functions are required, we

refer you to the EKC 202 or EKC 204A series.

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