Lauda ECO GOLD - Page 76

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76 / 134 ECO Gold 09/2021

Heating curve for ECO GOLD heating thermostats with stainless steel bath

Cooling curves for ECO cooling thermostats

E 4 G E 10 G E 20 G E 25 G

RE 1050

RE 630

RE 1225

RE 2025

Heat transfer liquid:

Ethanol,

bath closed

Cooling time in h:min

Bath temperature in °C

Heat transfer liquid:

Therm 240,

bath closed

Bath temperature in °C

Heating time in h:min

RE 415 (W)

RE 420

Main Page

Table of Contents3
Safety7
Safety Information7
General Safety8
Special Safety Information9
General Remarks11
Description of the Device11
Intended Application11
Use Other than that Intended11
Responsibility of the Operating Body - Safety Information11
Materials12
Device Description13
Device Types13
Pump13
Programmer13
Interfaces13
Interface Modules (Accessories)14
Chiller14
Operating and Functional Controls15
Transport and Unpacking22
Before Putting the Device into Operation24
Assembly and Siting24
Connection of External Consumers30
Filling and Emptying33
Heat Transfer Liquids, Cooling Water and Hoses35
Cooling of Heating Thermostats39
First Switch-On39
Installation of Modules40
Operation42
Switching on44
Menu Structure45
Display Representation47
Basic Window47
Menu Window47
Entry Window48
Graphics Window49
Basic Setup49
Setting the Overtemperature Switch-Off Point T49
Setting the Temperature Set-Point Value50
Setting the Pump Level50
Activating the "Standby" Operating State51
Defining Temperature Limits51
Setting the Date and Time52
Selecting the Menu Language52
Maintenance53
Alarms, Warnings and Errors53
Overtemperature Protection: Alarm and Checking53
Low Level: Alarm and Checking54
Device Status55
Store for Errors, Alarms and Warnings55
Device Data55
Software Version56
Displaying and Changing the Device Type56
Displaying Serial Numbers56
Servicing57
Cleaning57
Servicing Intervals58
Inspecting the Heat Transfer Liquid58
Cleaning the Condenser59
Air-Cooled Condenser59
Water-Cooled Condenser59
Fault Finding61
Disposal Information62
Disposal of the Refrigerant62
Disposal of the Packaging62
Taking the Device out of Service63
Ordering Replacement Parts / LAUDA Service64
Accessories65
Technical Data and Graphs67
Declaration of Conformity77
Index79
Appendix With Settings85
Other Settings86
Resetting to Factory Settings86
Setting the Volume of the Acoustic Signals87
Setting the Chiller87
Setting the Display Brightness88
Defining the Starting Mode (Autostart)88
Limiting the Mains Current Consumption89
Entering the Offset of the Displayed Temperature (Calibration)89
Restoring the Factory Setting of the Internal Temperature Sensor90
Key Lock91
List of "Alarm and Warning Codes92
Graphical Display of Temperature Measurements95
External Control98
Activating External Control (External Pt100)98
Show the Selected Control Variable (External Temperature) on the Display98
Setpoint Offset Operating Mode (Diff.set/Actual)99
Programmer100
Programming Example100
Creating and Editing a Program102
Starting the Program104
Interrupting, Continuing or Terminating the Program104
Defining the Number of Program Loops (Loops)105
Control Parameters106
Internal Control Variable (Internal Temperature Sensor)106
External Control Variable108
Setting the Correcting Quantity Limit109
Procedure for Setting the Control Parameters for External Control110
Interface Modules111
Menu Structure of the Modules111
Analog Module112
RS 232/485 Interface Module113
Connecting Lead and Interface Test RS 232113
RS 232 Protocol114
RS 485 Connecting Lead114
RS 485 Protocol115
Libus Module115
Pt100/Libus Module116
USB Interface117
Description117
Installation of the USB Driver117
Connecting the Thermostat to the PC118
Where Is the ECO Virtual COM Port120
Commands and Error Messages Applicable to the RS 232/485 Interface Module and to the Ethernet Interface122
Interface Write Commands (Data Issued to the Thermostat)122
Interface Read Commands123
Interface Error Messages126
Driver Software for LABVIEW126
Contact Module127
Contact Module LRZ 914 with 1 Input and 1 Output127
Contact Module LRZ 915 with 3 Inputs and 3 Outputs128

Lauda ECO GOLD - Page 76

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