Lauda RE 420 GW Manuals

Manuals and User Guides for Lauda RE 420 GW. We have 1 Lauda RE 420 GW manual available for free PDF download: Operating Instructions Manual

Lauda RE 420 GW Operating Instructions Manual

Lauda RE 420 GW Operating Instructions Manual (119 pages)

Heating and Cooling Thermostats with control head GOLD

Brand: Lauda | Category: Thermostat | Size: 1.37 MB

Table of Contents

Operating Instructions
1
Table of Contents
3
1 Safety

6
2 General Remarks

9
3 Device Description

11
- Device Types
  11
- Pump
  11
- Programmer
  11
- Interfaces
  11
- Interface Modules (Accessories)
  12
- Chiller
  12
4 Operating and Functional Controls

13
5 Transport and Unpacking

19
6 Before Putting the Device into Operation

21
- Assembly and Siting
  21
- Connection of External Consumers
  26
- Filling and Emptying
  29
- Heat Transfer Liquids, Cooling Water and Hoses
  31
- Cooling of Heating Thermostats
  35
- First Switch-On
  35
- Installation of Modules
  36
7 Operation

38
- Switching on
  40
- Menu Structure
  41
- Display Representation
  43
  - Basic Window
    43
  - Menu Window
    43
  - Entry Window
    45
  - Graphics Window
    45
- Basic Setup
  46
8 Maintenance

51
- Alarms, Warnings and Errors
  51
  - Overtemperature Protection: Alarm and Checking
    51
  - Low Level: Alarm and Checking
    53
- Device Status
  54
  - Store for Errors, Alarms and Warnings
    54
  - Device Data
    54
  - Software Version
    55
  - Displaying and Changing the Device Type
    55
  - Displaying Serial Numbers
    55
- Servicing
  56
  - Cleaning
    56
  - Servicing Intervals to VDI 3033
    57
  - Inspecting the Heat Transfer Liquid
    57
  - Cleaning the Condenser
    58
    
    Air-Cooled Condenser
    58
    
    Water-Cooled Condenser
    59
- Fault Finding
  61
- Disposal Information
  62
  - Disposal of the Refrigerant
    62
  - Disposal of the Packaging
    62
- Taking the Device out of Service
  63
- Ordering Replacement Parts / LAUDA Service
  64
9 Accessories

65
10 Technical Data and Graphs

67
11 Index

75
Appendix With Settings

80
A Other Settings

81
B List of "Alarm and Warning Codes

86
C Graphical Display of Temperature Measurements

89
D External Control

91
E Programmer

93
F Control Parameters

98
- Internal Control Variable (Internal Temperature Sensor)
  98
- External Control Variable
  100
  - Setting the Correcting Quantity Limit
    101
  - F.2.2 Procedure for Setting the Control Parameters for External Control
    102
G Interface Modules

103
- Menu Structure of the Modules
  103
- Analog Module
  104
- G.2 Analog Module
  104
- RS 232/485 Interface Module
  105
  - Connecting Lead and Interface Test RS 232
    105
  - G.3.2 RS 232 Protocol
    106
  - G.3.3 RS 485 Connecting Lead
    106
  - G.3.4 RS 485 Protocol
    107
- USB Interface
  108
  - G.4.1 Description
    108
  - G.4.2 Installation of the USB Driver
    108
  - G.4 USB Interface
    108
  - G.4.3 Connecting the Thermostat to the PC
    109
  - G.4.4 Where Is the ECO Virtual COM Port
    111
- Commands and Error Messages Applicable to the RS 232/485 Interface Module and to the USB Interface
  113
- Contact Module
  117

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