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Lauda Manuals
Thermostat
LOOP 250
Operation manual
Lauda LOOP 250 Operation Manual
Thermo-electric circulation thermostat
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Contents
Table of Contents
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Table of Contents
Table of Contents
Safety
Safety Information
Intended Use
Foreseeable Misuse
EMC Requirements
Prohibition of Modifications to the Device
Materials
Heat Transfer Liquid
Application Area
Personnel Qualification
Structure of Warnings
Unpacking
Setup and Operating Buttons
Setup of the Device
Mains Switch
Operating Buttons
Overtemperature Cutout and Overtemperature
RS 232 Interface
Commissioning
Set up and Connect the Hoses
LAUDA Heat Transfer Liquid
Filling with Heat Transfer Liquid and Draining
Establishing a Mains Connection
Operation
General Safety Instructions
LOOP Menu Structure
Set the Set Temperature T
Lock and Release Operating Buttons
Set Temperature Limit Values Til and Tih
Edit Basic Settings
Change the Calibration of the Temperature Probe
Restore Factory Setting
Viewing the Device Status
Control
Control Basics
Overview of Control Parameters
Editing Control Parameters
RS 232 Interface
Cable and Test of the RS 232 Interface
Protocol RS 232
Write Commands
Read Commands
Error Messages
Maintenance
General Safety Instructions
Maintenance Intervals
Check the Heat Transfer Liquid
Cleaning the Device
Technical Data
General
Copyright
Technical Changes
Warranty Conditions
Contact LAUDA
Declaration of Conformity
Product Returns and Clearance Declaration
Index
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Operation manual
LOOP
L 100, L 250
Thermo-electric circulation thermostat
Read this manual prior to performing any task!
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Summarization of Contents
Safety
Safety Information
Provides essential safety information and guidelines for operating the device safely, including risks and precautions.
Intended Use
Defines the authorized applications and operational parameters for the device, specifying its intended purpose.
Foreseeable Misuse
Outlines potential incorrect uses of the device that could lead to hazards, damage, or compromise safety.
EMC Requirements
Details the electromagnetic compatibility requirements, including immunity and emissions classes for the device.
Prohibition of Modifications to the Device
States that unauthorized modifications are prohibited and will void the warranty and customer service.
Materials
Lists the materials used in the device's construction, especially those in contact with heat transfer liquids.
Heat Transfer Liquid
Specifies approved non-combustible heat transfer liquids and associated risks and safety measures.
Application Area
Defines the environmental and operational conditions under which the device can be safely and effectively used.
Personnel Qualification
Specifies the required qualifications and understanding for personnel operating the device.
Structure of Warnings
Explains the different warning symbols (DANGER, WARNING, CAUTION, NOTICE) and their severity levels.
Unpacking
Setup and Operating Buttons
Setup of the Device
Provides instructions and diagrams for the physical setup, placement, and connection of the device.
Mains Switch
Describes the location, function, and operation of the device's main power switch.
Operating Buttons
Details the functions and usage of the device's control buttons, display, and menu navigation.
Overtemperature Cutout and Overtemperature
Explains the overtemperature protection mechanism and the procedure to follow in case of overheating.
RS 232 Interface
Introduces the RS 232 serial interface for external device control and communication.
Commissioning
Set Up and Connect the Hoses
Instructions for connecting the hoses to the device's pump connections for liquid circulation.
LAUDA Heat Transfer Liquid
Information on approved heat transfer liquids, their properties, and usage recommendations.
Filling with Heat Transfer Liquid and Draining
Detailed procedures for filling the device with and draining heat transfer liquid safely.
Establishing a Mains Connection
Guidelines and precautions for connecting the device to the electrical power supply.
Operation
General Safety Instructions
General safety precautions to be observed during all device operation phases.
LOOP Menu Structure
Overview of the device's menu system, showing navigation paths and available functions.
Set the Set Temperature Tset
Instructions on how to set and adjust the desired operating temperature for the device.
Lock and Release Operating Buttons
Procedure for locking and unlocking the device's control buttons to prevent unauthorized access.
Set Temperature Limit Values Til and Tih
Setting upper and lower temperature limits to ensure safe operation and trigger warnings.
Edit Basic Settings
Configuration options for basic device settings like temperature unit, language, and fan limits.
Change the Calibration of the Temperature Probe
Procedure for calibrating the temperature probe for accurate temperature readings using a reference thermometer.
Restore Factory Setting
How to reset the device's settings to their original factory configuration for control parameters or all settings.
Viewing the Device Status
Information on how to access and view the current status, error memory, and device data.
Control
Covers the device's control system, including parameters and basic operation.
RS 232 Interface
Details the RS 232 interface for communication, including cabling, protocol, commands, and error messages.
Maintenance
General Safety Instructions
Safety precautions specific to maintenance tasks, including electrical safety and handling of fluids.
Maintenance Intervals
Recommended schedule for performing regular maintenance tasks, such as checking hoses and liquid.
Check the Heat Transfer Liquid
Procedure for inspecting, testing, and replacing the heat transfer liquid to ensure proper function.
Cleaning the Device
Instructions on how to safely clean the device using appropriate cleaning agents and methods.
Technical Data
General
Copyright
Information regarding the copyright and usage restrictions of the operating manual.
Technical Changes
Statement about the manufacturer's right to implement technical modifications to the device without prior notice.
Warranty Conditions
Details the standard warranty terms provided by LAUDA for the devices, typically one year.
Contact LAUDA
Contact information for LAUDA service, technical questions, and ordering accessories and spare parts.
Declaration of Conformity
Statement of compliance with relevant EC directives and applied standards for the device.
Product Returns and Clearance Declaration
Procedures for returning products for repair or complaint, including required declarations.
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