Table of Contents
1 Conventions.............................................................................................................................................9
1.1 Warning signs, symbols and text formatting used in this manual.....................................................9
1.2 Explanation of text formatting .............................................................................................................10
2 Safety instructions ................................................................................................................................ 11
2.1 Disclaimer in the event of non-compliance ........................................................................................12
2.2 Requirements for the personnel ..........................................................................................................12
2.3 Intended use ..........................................................................................................................................13
2.4 Five safety rules according to DGUV Regulation 3............................................................................13
2.5 Electrostatic-sensitive components and control components (ESD)..............................................14
2.5.1 ESD - Rules for handling and working .................................................................................................... 14
2.6 Abbreviations used ...............................................................................................................................14
3 System Design of UA 400 .....................................................................................................................15
3.1 Application.............................................................................................................................................15
3.2 Hardware ................................................................................................................................................16
4 Applications of UA 400 .........................................................................................................................17
4.1 Versions .................................................................................................................................................17
4.2 Controller types.....................................................................................................................................18
4.3 Updating firmware.................................................................................................................................20
5 Function of UA 400 / UA 410.................................................................................................................21
5.1 Starting characteristics ........................................................................................................................21
5.1.1 First start- reset controller to factory settings ..........................................................................................21
5.1.2 Restart - restart of the controller..............................................................................................................21
5.2 Selection of the temperature sensors.................................................................................................22
5.2.1 Necessary and optional sensors .............................................................................................................23
5.3 Controller function ................................................................................................................................25
5.4 Cooling ...................................................................................................................................................25
5.4.1 Temperature control by supply and return air in single-zone operation ..................................................25
5.4.2 Temperature control by supply and return air in two-zone operation ......................................................27
5.4.3 Temperature control by cold-room air sensor..........................................................................................28
5.4.4 Continuous running monitoring ...............................................................................................................29
5.4.5 Minimum on and off time ......................................................................................................................... 29
5.4.6 E*COP+ (SDS TEV)................................................................................................................................29
5.4.7 Two temperature zones...........................................................................................................................30
5.4.8 Heating circuit control..............................................................................................................................30
5.4.9 Operation of cooling relay .......................................................................................................................30
5.4.10 Start delay after fan .................................................................................................................................31
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