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Julabo Presto Plus LH 47 User Manual

Julabo Presto Plus LH 47
76 pages
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19532790.doc Print date: 15.09.09
Operating Manual
Highly Dynamic Temperature Control Systems
with integrated programmer
LH 47
air cooled
LH 50
water cooled
JULABO WEST
2575 Pioneer Avenue, Suite 102
Vista, CA 92081
(760) 842-8010
(760) 842-8015
| info @ julabo.com
Þ www.julabo.com
JULABO EAST
754 Roble Road, Suite 180
Allentown, PA 18109
(610) 231-0250
(610) 231-0260
| info @ julabo.com
Þ www.julabo.com
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Julabo Presto Plus LH 47 Specifications

General IconGeneral
BrandJulabo
ModelPresto Plus LH 47
CategoryControl Systems
LanguageEnglish

Summary

1. Intended Use

1.1. Description

Details the key functional elements and features of the temperature control systems.

2. Operator Responsibility – Safety Instructions

2.1. Disposal

Provides guidelines for the proper disposal of the unit and its components.

2.2. Technical Specifications

Lists detailed technical data, performance parameters, and specifications of the models.

2.3. Cooling Water Connection

Explains requirements and procedures for connecting cooling water to the LH50 model.

3. Safety Notes for the User

3.1. Explanation of Safety Notes

Clarifies the meaning of warning symbols and designations used in the manual.

3.3. Safety Instructions

Presents critical safety instructions for installation, operation, and general handling of the unit.

4. Operating Controls and Functional Elements

4.1. The Presto Plus Principle with Closed External System

Illustrates the operational principle of the system with a closed external loop.

5. Preparations

5.1. Bath Fluids

Discusses selection and handling of appropriate bath liquids, including safety precautions.

5.2. Tubing

Recommends suitable tubing and highlights safety considerations for high-temperature applications.

5.3. Installation

Provides step-by-step instructions for the proper installation of the unit.

5.4. Connect the External System

Guides on connecting the unit to external systems for temperature control applications.

5.5. Cooling Water Connection LH 50

Details connecting cooling water to LH50, emphasizing water quality.

5.6. Power Connection

Explains the correct procedure for connecting the unit to the power supply.

5.7. Filling

Describes the process of filling the internal reservoir and heat exchanger with bath liquid.

5.8. Degasifying

Explains the automatic degasifying process that occurs during heating and its importance.

5.9. Draining

Details the procedure for safely draining bath fluid from the unit and external system.

6. Operating Procedures

6.1. Switching On / Selecting the Language

Covers initial power-up and setting the user interface language.

7. Manual Operation

7.1. Start - Stop

Explains how to start and stop the operation of the temperature system.

7.2. Direct Setting of the Working Temperature

Describes adjusting the target working temperature using the keypad.

7.3. Settings in the SET Menu

Details accessing and modifying settings like temperature, limits, and pump stage.

7.4. Setting the Safety Temperature (with shutdown function)

Covers configuring excess temperature protection (TANK and RES) for safe operation.

8. Menu Functions

8.1. Configuration

Allows optimization via configuration settings and identification processes.

8.2. Control Parameters

Details manual PID parameter adjustment for optimal performance.

8.3. Start of a Profile

Guides initiating stored temperature profiles manually or via timer.

8.4. Integrated Programmer

Covers creating, editing, and managing temperature profiles.

8.5. Analog Inputs/Outputs

Describes configuring analog signals for external programmers and outputs for recorders.

8.6. Limits

Explains setting temperature limits for internal and external control to protect equipment.

8.7. Interface

Details configuration of communication interfaces like RS232/RS485 for remote control.

8.8. Sensors

Describes Absolute Temperature Calibration (ATC) for internal and external sensors.

8.9. Pump

Explains controlling the circulation pump and setting operating modes.

9. Troubleshooting Guide / Error Messages

Error Code Reference

Lists common error codes, their meanings, and recommended solutions or actions.

10. Electrical Connections

11. Remote Control

11.1. Setup for Remote Control

Guides on configuring instrument and interface parameters for remote operation.

11.2. Communication with a PC or a Superordinated Data System

Explains establishing communication and sending commands to the unit via PC.

11.3. List of Commands

Provides a comprehensive list of commands for controlling and querying the instrument remotely.

11.4. Status Messages / Error Messages

Lists status messages and error codes reported during remote operation.

12. Cleaning the Unit

13. Maintaining / Repairing the Unit

Maintaining the Cooling Performance

Instructions for cleaning condenser/filter to ensure optimal cooling.

14. Warranty Provisions

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