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General| Brand | Julabo |
|---|---|
| Model | HE-4 |
| Category | Water System |
| Language | English |
Overview of the circulator's features, capabilities, and technology.
Guidelines for the proper disposal of the unit and its components according to regulations.
Declaration of conformity with relevant EC directives and standards for CE marking.
Details on the product warranty, coverage, and claim procedures.
Detailed technical data, performance parameters, and dimensions of the device.
Explains the meaning of different safety warning symbols, signal words, and notes.
Explains the meaning of informational notes, tips, and parameter indicators.
Crucial safety instructions for operation, maintenance, handling, and environmental conditions.
Details the function of keys used for menu navigation and parameter adjustment.
Explains the function of keys used to access menu structures and functions.
Description of the Pt100 sensor connection socket and pin assignments.
Details the RS232 interface for PC communication and remote control.
Describes the socket for control cable and alarm signal output.
Information about the optional electronic module and its connectivity.
Instructions for installing heating circulators and bridge mounted circulators.
Information on recommended and unsuitable bath fluids, including safety precautions.
Guidance for connecting to external systems for temperature control via loop circuits.
Details on recommended tubing for external connections and associated safety.
Procedures for filling the bath tank and draining the bath fluid safely.
Explanation and setup of countercooling systems for temperature regulation.
Instructions for safely connecting the unit to the power supply.
Procedure for turning the circulator on, starting, and stopping operation.
How to adjust and use pre-set temperatures via the menu.
Method for directly changing the temperature setpoint at any time.
Configuration and setting of the excess temperature protection feature.
Description of the low liquid level warning and protection system.
Configuring warning to shutdown transitions for safety functions.
Setting warning limits for over and sub-temperature conditions.
How to start a previously created program sequence.
Procedure for creating and managing program sequences.
Adjusting the circulating pump pressure stage through menu options.
Settings for configuring the unit's operational parameters and modes.
Setting up remote control using the RS232 serial interface.
Selecting control mode via keypad or analog input.
Configuration and safety considerations for the autostart function.
Setting the circulating pump to operate in OFF-MODE.
Defining the actuating variable for heater/cooling control.
Procedure for setting the internal real-time clock and date.
Restoring the unit to its factory default settings.
Adjusting control parameters for internal and external temperature control.
Switching between internal and external control modes.
Procedure for performing automatic system tuning.
Adjusting dynamic behavior for internal control.
Setting PID control parameters for internal operation.
Adjusting co-speed factor for external control.
Setting PID control parameters for external operation.
Configuring serial communication parameters.
Procedure for absolute temperature calibration.
Selecting the temperature sensor for ATC calibration.
Activating or deactivating ATC calibration results.
Choosing the type of ATC calibration (1, 2, or 3 points).
Step-by-step guide for 3-point internal calibration.
Setting temperature and capacity limits.
Defining maximum/minimum setpoints and heating/cooling limits.
Setting internal bath limits for external control applications.
Limiting the temperature difference between internal and external systems.
Configuring analog inputs and outputs for optional modules.
Setting output values for the REG+E-PROG connector channels.
Configuring inputs for external voltage, current, or flow meter signals.
Configuring alarm output and standby input functions.
Details on using the external standby input for switch-off.
Troubleshooting steps for alarms causing complete shutdown.
Troubleshooting steps for alarms without complete shutdown.
List and description of various error codes and messages.
Troubleshooting for issues not displayed by the unit.
Information on locating and replacing fuses.
Pin assignment and connection details for Pt100 sensors.
Pin assignments and cable details for RS232 communication.
Description of control output connector and pin assignments.
Details on the potential-free alarm output contact.
Pin assignment and function of the standby input.
Pin assignments for programmer input and recorder output.
Steps to configure and establish remote control connection.
Details on PC communication, commands, and data transfer.
Table of commands for setting parameters and values remotely.
List and description of device status messages.
List and description of device error messages.
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