AkoTec TDC3, Installation And Commissioning Manual, Page: 2 / 47

07/2015 Temperature Difference Controller TDC 3 Page 2 of 47
Contents
A.1 EC declaration of conformity 3
A.2 General instructions 3
A.3 Explanation of symbols 3
A.4 EC declaration of conformity 4
A.5 Warranty and liability 4
B.1 Specifications 5
B.2 About the controller 6
B.3 Scope of supply 6
B.4 Disposal and pollutants 6
B.5 Hydraulic variants 7
C.1 Wall installation 8
C.2 Electrical connection 9
C.3 Installing the temperature
sensors 10
D Terminal connection diagrams 11
E.1 Display and input 21
E.2 Commissioning help 22
E.3 Free commissioning 22
E.4 Menu sequence and
menu structure 23
1. Measurement values 24
2. Statistics 25
2.1 Operating hours 25
2.2 Average temperature
difference ∆ T 25
2.3 Heat output 25
2.4 Graphic overview 25
2.5 Message log 25
2.6 Reset/clear 25
3. Display mode 26
3.1 Schematic 26
3.2 Overview 26
3.3 Alternating 26
4. Operating modes 27
4.1 Automatic 27
4.2 Manual 27
4.3 Off 27
4.4 Fill system 27
5. Settings 28
5.1 Tmin S1 28
5.2 Tmin S2 28
5.3 Tmin S3 28
5.4 Tmax S2 29
5.5 Tmax S3 29
5.6
∆
T R1 29
5.7 ∆ T R2 30
5.8 Tset S3 30
5.9 Hysteresis 30
5.10 Priority sensor 31
5.11 T priority 31
5.12 Loading time 31
5.13 Increase 31
5.14 Thermostat periods 31
5.15 „Party Function“ 32
5.16 Energy saving mode 32
5.17 TecoS3 32
6. Protective functions 34
6.1 Seizing protection 34
6.2 Frost protection 34
6.3 System protection 35
6.4 Collector protection 35
6.4.1 Cooling functions 36
6.5 Col.- Alarm 36
6.6 Recooling 36
6.7 Anti-Legionella 37
7. Special functions 38
7.1 Program selections 38
7.2 Time & date 38
7.3 Sensor calibration 38
7.4 Commissioning 39
7.5 Factory settings 39
7.6 Expansions 39
7.7 Heat quantity 39
7.8 Start aid function 40
7.9 Speed control 41
7.9.1 Variant 41
7.9.2 Purging time 42
7.9.3 Sweep time 42
7.9.4 Max. speed 42
7.9.5 Min. speed 42
7.9.6 Setpoint 42
8. Menu lock 43
10. Language 43
9. Service values 44
Z.1. Malfunctions with
error messages 45
Z.2 Replacing the fuse 46
Z.3 Maintenance 46