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Lauda MC 250 User Manual

Lauda MC 250
72 pages
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Operating instructions
The right temperature worldwide
Microcool
MC 250, MC 600, MC 1200, MC 1200 W
Circulation chiller

Table of Contents

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Lauda MC 250 Specifications

General IconGeneral
Cooling capacity at 20°C0.25 kW
Pump capacity pressure0.4 bar
Pump capacity flow rate15 l/min
Cooling Capacity0.25 kW at 20°C
Temperature Stability±0.05°C
RefrigerantR134a
Power Supply230 V, 50/60 Hz
Cooling capacity at 0°C0.2 kW

Summary

Understanding Device Safety

General Safety Instructions

General safety instructions for operating the equipment safely and preventing hazards.

Intended Use and Safety Guidelines

Heat Transfer Liquid Requirements

Specifies approved heat transfer liquids and their properties.

Personal Protective Equipment and Safety Instruction Structure

Personal Protective Equipment (PPE)

Lists required protective clothing, gloves, and goggles.

Device Components and Control Panel

Control Panel Overview

Details the components of the control panel, including display and buttons.

Mains Power Switch Operation

Explains the function and positions of the mains power switch.

Control Panel Buttons

Before Commissioning: EMC Compliance

EMC Classification

Details the equipment's compliance with EMC standards by region.

Device Placement and Setup

Connecting External Consumers and Hoses

External Consumer Connections and Cooling Water

Connecting Cooling Water

Commissioning the Circulation Chiller

Filling the Device with Heat Transfer Liquid

Heat Transfer Liquid Filling Procedure

Step-by-step guide for filling the device with heat transfer liquid.

Establishing Power Supply

Power Supply Connection

Instructions for connecting the device to the mains power supply.

Device Startup and Refilling

Setting Pump Pressure

Pump Pressure Adjustment

Details how to set the pump pressure using the bypass regulator.

Setting Pump Pressure (cont.)

Pump Pressure Control

Explains how to reduce or increase pump pressure using the bypass wheel.

Operating the Circulation Chiller

Switching the Device On

Procedure for switching the circulation chiller on.

Screen Displays and Setpoint Temperature

Specifying Setpoint Temperature

Instructions for setting the desired operating temperature.

Temperature Limit Value Configuration

Restricting Temperature Limits

Details how to set upper and lower temperature limits for safety.

Timer Configuration

Timer Configuration Details

Configuring Auto-Shut-Down

Steps to configure the automatic shut-down timer.

Configuring Auto-Start

Steps to configure the automatic start timer.

Timer Management and RS232 Configuration

RS232 Interface Protocol and Settings

RS232 Communication Commands

Write Commands

Lists commands for sending data to the thermostat.

Read Commands

Lists commands for requesting data from the thermostat.

Error Messages and Alarm Output Configuration

Error Message Reference

Lists common error codes and their descriptions.

Temperature Sensor Offset Calibration

Inputting Temperature Sensor Offset

Procedure for adjusting the temperature sensor offset for accuracy.

Restoring Factory Settings

Restoring Device to Factory Settings

Steps to reset the device to its original factory configuration.

Maintenance Procedures

General Maintenance Safety

Safety precautions to be observed before performing maintenance.

Maintenance Intervals and Cleaning

Cleaning and Decalcification

Heat Transfer Liquid Check

Troubleshooting Alarms and Errors

Alarms, Errors, and Warnings Overview

Explains how device faults are displayed and handled.

Fault and Warning Displays

Fault and Warning Displays (cont.)

Decommissioning and Draining Procedures

Draining the Device

Procedure for draining the heat transfer liquid from the device.

Decommissioning and Draining Condenser

Disposal Procedures

Disposing of Refrigerant

Guidelines for the safe disposal of refrigerant.

Technical Data: Refrigeration Unit

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