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Summary of Contents for Sorel TDC 5
- Page 1 Temperature Difference Controller TDC 5 Installation and operating instructions TDC 5 Temperatur-Differenz-Controller Read carefully before installation, commissioning and operation...
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Page 2: Table Of Contents
Contents page page ∆T R1 EC declaration of conformity ∆T R2 General instructions ∆T R3 Explanation of symbols Changes to the unit 6.10 Tset S3 Warranty and liability 6.11 Tset S4 6.12 Hysteresis S3 Specifi cations 6.13 Hysteresis S4 About the controller 6.14 Priority-Sensor Scope of supply 6.15 T priority... -
Page 3: Ec Declaration Of Conformity
Safety instructions EC declaration of conformity By affi xing the CE mark to the unit the manufacturer declares that the Temperature-Difference-Controller 5, hereinafter refererred to as TDC 5 , conforms to the following relevant safety regulations: EC low voltage directive... -
Page 4: Changes To The Unit
Safety instructions Changes to the unit Changes to the unit can compromise the safety and function of the unit or the entire system. Danger Changes, additions to or conversion of the unit are not permitted without the writ- ten permission from the manufacturer It is likewise forbidden to install additional components that have not been tested together with the unit If it becomes clear that safe operation of the unit is no longer possible, for exam-... -
Page 5: Specifi Cations
Description of controller Specifi cations Electrical specifi cations: Mains voltage 230VAC +/- 10% Mains frequency 50...60Hz Power consumption Switched power Electronic relay R1 min.20W...max.120W for AC3 Mechanical relay R2 460VA for AC1 / 185W for AC3 Mechanical relay R3 460VA for AC1 / 185W for AC3 Internal fuse 2A slow-blow 250V Protection category... -
Page 6: About The Controller
The controller menu contains headwords for the measured values and settings, as well as help texts or clearly-structured graphics. The TDC 5 can be used as a temperature difference controller for the various system variants illustrated and explained under B.5. -
Page 7: Hydraulic Variants
Description of controller Hydraulic variants The following illustrations should be viewed only as schematic dia- grams showing the respective hydraulic systems, and do not claim to be complete. The controller does not replace safety devices under any circumstances. Depending on the specifi c application, additional system Caution components and safety components may be mandatory, such as check valves, non-return valves, safety temperature limiters, scalding protec-... -
Page 8: Wall Installation
Installation Wall installation Install the controller only in dry areas and under the ambient conditions de- scribed under B.1 “Specifi cations”. Carry out the following steps 1-8. Caution 1. Unscrew cover screw completely C.1.1 2. Carefully pull upper part of housing from lower part. -
Page 9: Electrical Connection
Installation Electrical connection Before working on the unit, switch off the power supply and secure it against being switched on again! Check for the absence of power! Electrical connections may only be made by a specialist and in compli- Danger ance with the applicable regulations. -
Page 10: Installing The Temperature Sensors
Installation 1.Select necessary program/hydraulics C.2.1 (Fig. B5 resp. D.1 - D.16) 2.Open controller as described under C.1. 3.Strip cables by 55mmmax., insert, fi t the strain relief devices, strip the last 8-9mm of the wires (Fig. C.2.1) 4.Open the terminals using a suitable screwdriver (Fig. -
Page 11: D Terminal Connection Diagrams
Installation Terminal connection diagrams Solar + circulation Brief description: Sensor side Mains side ∆T R1 (6.7) switches the pump at relay R1 230VAC max. 12V Danger Caution Tset S3 (6.10) switches the additional heat- ing at relay R3 Tset S4 (6.11) switches the circulation pump at relayR2. - Page 12 Installation Solar with follow-on storage Brief description: Sensor side Mains side ∆T R1 (6.7) switches the pump at relay R1 230VAC max. 12V Danger Caution Tset S3 (6.10.) switches the additional hea- ting at relay R3. ∆T R2 (S5>S4, see 6.8) switches the pump at relay R2 Low voltage max.
- Page 13 Installation Solar + return lift Brief description: Sensor side Mains side ∆T R1 (6.7) switches the pump at relay R1 230VAC max. 12V Danger Caution Tset S3 (6.10) switches the additional hea- ting at relay R3 ∆T R2 (S5>S4, see 6.8) switches the valve at relay R2.
- Page 14 Installation Solar + double thermostat Brief description: Sensor side Mains side ∆T R1 (6.7) switches the pump at relay R1 230VAC max. 12V Danger Caution Tset S3 (6.10) switches the additional hea- ting at relay R3 Tset S4 (6.11) switches additional heating at relay R2.
- Page 15 Installation Solar + 2 storage tanks / valve Brief description: Sensor side Mains side ∆T R1 (6.7) switches the pump at relay R1 230VAC max. 12V Danger Caution Priority (6.15) switches the valve at relay R2. Tset S3 (6.10) switches the additional hea- ting at relay R3 Low voltage max.
- Page 16 Installation Solar + 2 storage tanks + 2 pumps Brief description: Sensor side Mains side ∆T R1 (6.7) switches the pump at relay R1 230VAC max. 12V Danger Caution ∆T R2 (6.8) switches the pump at relay R2. Tset S3 (6.10) switches the additional hea- ting at relay R3 Low voltage max.
- Page 17 Installation Solar + storage tank + valve + return lift Brief description: Sensor side Mains side ∆T R1 (6.7) switches the pump at relay R1. 230VAC max. 12V Danger Caution an Relais R1. ∆T R2 (6.8) switches the valve at relay R2. Priority (6.15) switches the valve at relay R2.
- Page 18 Installation Solar + 2 storage tanks + 2 pumps + return lift Brief description: Sensor side Mains side ∆T R1 (6.7) switches the pump at relay R1. 230VAC max. 12V Danger Caution ∆T R2 (6.8) switches the pump at relay R2. ∆T R3 (6.9) switches the return lift at relay Low voltage max.
- Page 19 Installation 2 collector + 2 storage tanks + valve Brief description: Sensor side Mains side ∆T R1 (6.7) switches the pump at relay R1. 230VAC max. 12V Danger Caution ∆T R2 (6.8) switches the valve at relay R2. Priority (6.15) switches the valve at relay R2. Switching between the 2 collectors occurs when a temperature difference of at least 20°C is present.
- Page 20 Installation D.10 2 collectors + 2 storage tanks + 2 pumps Brief description: Sensor side Mains side ∆T R1 (6.7) switches the pump at relay R1. 230VAC max. 12V Danger Caution ∆T R2 (6.8) switches the pump at relay R3. Priority (6.15) switches the valve at relay R2.
- Page 21 Installation D.11 Solar 2 zones storage tank+ heat exchanger Brief description: Sensor side Mains side ∆T R1 (6.7) switches the primary pump at 230VAC max. 12V Danger Caution relay R1. ∆T R2 (6.8) switches the secondary pump at relay R3 (also S5 has to be warmer than S3) Valve at R2 switches following these condi- tions: S3 <...
- Page 22 Installation D.12 Solar + heat exchanger + Pool Brief description: Sensor side Mains side ∆T R1 (6.7) switches the pump at relay R1 230VAC max. 12V Danger Caution ∆T R2 (6.8) switches the valve at relay R2 (additionally, the secondary pump at relay R3 is switched when S5 is warmer than S3) Low voltage max.
- Page 23 Installation D.13 Solar + 3 storages + 3 pumps Brief description: Sensor side Mains side ∆T R1 (6.7) switches the pump at relay R1. 230VAC max. 12V Danger Caution ∆T R2 (6.8) switches the pump at relay R2. ∆T R3 (6.9) switches the pump at relay R3. Priority (6.14) sets the order in which the storage tanks are loaded.
- Page 24 Installation D.14 Solar + 3 store + valve Brief description: Sensor side Mains side ∆T R1 (6.7) switches the pump at relay R1. 230VAC max. 12V Danger Caution ∆T R2 (6.8) switches the pump at relay R1 and the valve at relay R2. ∆T R3 (6.9) switches the pump at relay R1 and the valve at R2+R3.
- Page 25 Installation D.15 Solar + thermostat + solid fuel Brief description: Sensor side Mains side ∆T R1 (6.7) switches the pump at relay R1. 230VAC max. 12V Danger Caution ∆T R2 (6.8) switches the pump at relay R2. Tset S3 (6.10) switches thermostat at R3. Low voltage max.
- Page 26 Installation 2x Universal ∆T D.15 Brief description: Sensor side Mains side ∆T R1 (6.7) switches the pump at relay R1. 230VAC max. 12V Danger Caution ∆T R2 (6.8) switches the pump at relay R2. Caution - Both systems use the same protective functions.
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Page 27: Display And Input
Operation Display and input The display (1), with its extensive text and graphics mode, is almost self-explanatory, allowing easy operation of the controller. The LED (2) lights up green when a relay is switched on. The LED (2) lights up red when operating mode “Off”... -
Page 28: Commissioning Help
Parametrisation Commissioning help The fi rst time the controller is turned on and after the language and time are set, a query appears as to whether you want to parametrise the controller using the commissioning help or not. The commis- sioning help can also be terminated or called up again at any time in the special functions menu. -
Page 29: Menu Sequence And Menu Structure
Operation Menu sequence and menu structure The graphics or overview mode appears when no key has been press for 2 min- utes, or when the main menu is exited by pressing “esc“. Pressing a key in graphics or overview mode takes you directly to the main menu. The following menu items are then avail- able for selection there: Current temperature values with explana-... -
Page 30: Measurement Values
Measurement values Measurement values The menu “1. Measurement values” serves to display the currently measured temperatures. The menu is closed by pressing “esc” or select- ing “Exit measurement values”. If “Error” appears on the display instead of the measurement value, then there may be a defective or incorrect temperature sensor. -
Page 31: Statistics
Statistics Statistics The menu “2. Statistics” is used for func- tion control and long-term monitoring of the system. The menu is closed by pressing “esc” or selecting “Exit statistics”. For analysis of the system data it is essential for the time to be set ac- curately on the controller. -
Page 32: Display Mode
Display mode Display mode Menu “3. Display mode” is used to defi ne the controller’s display for normal opera- tion. This display appears whenever two min- utes go by without any key being pressed. The main menu appears again when a key is pressed. -
Page 33: Periods
Periods Periods Menu 3 “Periods” is used to set time, date and loading times. The menu is closed by pressing “esc” or selecting “Exit periods”. Menu can differ from variant to variant. Caution 4.1 Time and date This menu is used to set the time and date. For proper functioning of the controller and statistics for the system data it is essential for the time to be set accurately on the controller. -
Page 34: Operating Modes
Operating modes Operating modes In menu “5. Operating modes” the control- ler can either be placed in automatic mode, switched off, or placed in a manual operat- ing mode. The menu is closed by pressing “esc” or selecting “Exit operating modes”. 5.1 Automatic Automatic mode is the normal operating mode of the controller. -
Page 35: Settings
Settings Settings The necessary basic settings required for the control function are made in menu “5. Settings”. This does not under any circumstances replace the safety facilities to be Caution provided by the customer! The menu is closed by pressing “esc” or select- ing “Exit settings”. -
Page 36: Tmax S2
Settings 6.4 Tmax S2 Switch-off temperature at sensor 2 If this value is exceeded at sensor 2 and the other conditions are also met, then the controller switches the associated pump and/or valve off. If sensor 2 falls below this value again and the other conditions are also met, then the controller switches the pump and/or valve on again. - Page 37 Settings 6.7 ∆T R1 Switch-on/switch-off temperature difference for relay R1 If this temperature difference between the reference sensors is exceeded and the other conditions are also met, then the controller switches the relay R1 on. When the temperature drops to ΔT Off, then R1 is switched off. Settings range: ΔT from 4°C to 20°C / ΔTOff from 2°C to 19°C Settings range: ΔT 10°C / ΔT off 3°C.
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Page 38: Tset S3
Settings 6.10 Tset S3 Thermostat function at sensor 3 If the temperature at sensor 3 exceeds this value the corresponding relay is switched off. If the temperature at sensor 3 falls below this value and the other conditions are also met, the corresponding relay is switched on. Observe settings for hysteresis (6.12) Setting range: from 0°C to 99°C/default setting: 60°C Temperature values which are set too high can lead to scalding or dam- age to the system. -
Page 39: Priority-Sensor
Settings 6.14 Priority-Sensor Charging priority in Multi storage systems A setting must be made as to which storage tank (storage tank sensor) has priority for charging. Charging of the lower-priority storage tank is interrupted at regular intervals to check whether the temperature increase at the collector can enable charging of the higher-priority storage tank. -
Page 40: Party Function
Settings 6.18 „Party Function“ With the party function the storage temperature is heated up once to the reference temperature (TsetS3, respectively TecoS3+hysteresis in energy saving mode). The party mode is enabled by pressing the „esc“-key for 3 seconds in the main menu. Party function is not activated by menu. - Page 41 Settings...
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Page 42: Protective Functions
Protective functions Protective functions Menu “7. Protective functions” can be used to activate and set various protective functions. This does not under any circum- stances replace the safety facili- ties to be provided by the cus- Caution tomer! The menu is closed by pressing “esc” or selecting “Exit settings”. -
Page 43: System Protection
Protective functions 7.3 System protection priority protection System protection prevents overheating of system components by automatic shutdown of the solar pump. If “SProt Ton” is exceeded at the collector, the pump is switched off. The pump is activated again when the temperature drops below “SProt TOff”. Automatic shutdown - settings range: On / Off / Default: on SProt Ton - settings range: 60 °C to 150 °C / Default: 120 °C SProt Toff - settings range: 50 °C to Ton minus 5 °C / Default: 115 °C... -
Page 44: Collector-Alarm
Caution 7.7 Antilegionella With the AL-function activated, the TDC 5 makes it possible to heat the storage in selectable periods of time to “AL Tset”, if the energy source is capable of providing suf- fi cient heat. - Page 45 Protective functions AL Sensors This table shows the sensors used by the AL function in every specifi c variant. All sen- sors shown must reacht “ALTset +/-5°C” for the time span “AL residence” 9 10 11 12 13 14 15 16 In the variants 1, 2, 3, 4, 5, 6 AL heating is done via thermostat.
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Page 46: Special Functions
Special functions Special functions Menu “8. Special functions” is used to set basic items and expanded functions. Other than the time all settings may only be made by a specialist. Caution The menu is closed by pressing “esc” or select- ing “Exit special functions”. -
Page 47: Commissioning
Special functions 8.3 Commissioning Starting the commissioning help guides you in the correct order through the basic set- tings necessary for commissioning, and provides brief descriptions of each parameter in the display. Pressing the “esc” key takes you back to the previous value so you can look at the se- lected setting again or adjust it if desired. -
Page 48: Heat Quantity
Special functions 8.6 Heat quantity A simple heat metering function for basic system control can be activated in this menu. Additional settings regarding the glycol, the percentage of gylcol and the fl ow rate of the system are required. A correction value for the heat metering is also possible by adjusting the “Offset ΔT”. -
Page 49: Speed Control
Special functions 8.8 Speed control If the speed control is activated, the TDC5 makes it possible to vary the speed of standard pumps at relay R1 by means of special internal electronics. This function should only be activated by a specialist. Depending on the pump and pump stage used, the minimum speed should not be set too low, because otherwise the pump or the system may be damaged. -
Page 50: Purging Time
Special functions Special functions 8.8.2 Purging time During this time the pump starts up at its full speed (100%) to ensure reliable starting. Only after this purging time does the pump run with speed control and switches to the max. or min. speed, depending on the variant set. Setting range: from 5 to 600 seconds/default setting: 8 seconds 8.8.3 Sweep time... -
Page 51: Menu Lock
Menu lock Menu lock Menu “9. Menu lock” can be used to secure the controller against unintentional changing of the set values. The menu is closed by pressing “esc” or select- ing “Exit menu lock”. The menus listed below remain completely accessible despite the menu lock being activated, and can be used to make adjustments if necessary: Measurement values Analysis... -
Page 52: Service Values
Service values Service values The menu “10. Service values” can be used for remote diagnosis by a specialist or the manu- facturer in the event of an error, etc. Enter the values at the time when the error occurs e.g. in the table. Caution The menu can be closed at any time by press- ing “esc”. -
Page 53: Malfunctions With Error Messages
Malfunctions Z.1. Malfunctions with error messages If the controller detects a malfunction, the red light fl ashes and the warning symbol also appears in the display. If the error (LED fl ashes + is no longer present, the warning symbol warning symbol) changes to an info symbol and the red light no longer fl... -
Page 54: Replacing The Fuse
Malfunctions Replacing the fuse Repairs and maintenance may only be performed by a specialist. Before working on the unit, switch off the power supply and secure it against Danger being switched on again! Check for the absence of power! Only use the supplied spare fuse or a fuse of the same design with the following specifi... - Page 55 Useful notes/tips and tricks Instead of setting the fl ow rate for the system using a fl ow rate limiter, it is better to adjust the fl ow rate using the switch on the pump and by means of the “max. speed” setting on the controller (see 7.9.4). This saves electricity! The service values (see 9.) include not only current measurement val- ues and operating states, but also all of the settings for the controller.
- Page 56 Although these instructions have been created with the greatest possi- ble care, the possibility of incorrect or incomplete information cannot be excluded. Subject as a basic principle to errors and technical changes. Manufacturer: Your specialist dealer: SOREL GmbH Mikroelektronik Jahnstr. 36 D - 45549 Sprockhövel Tel. +49 (0)2339 6024 +49 (0)2339 6025 www.sorel.de info@sorel.de...
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