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Summary of Contents for Sorel TDC 2
- Page 1 Temperature Difference Controller TDC 2 Installation and operating instructions Read carefully before installation, commissioning and operation...
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Page 2: Table Of Contents
Contents Chapter Chapter Page Page menu 5 Safety instructions Settings 1.1 EC conformity 10.1 Tmin S1 1.2 General instructions 10.2 Tmax S2 10.3 ΔT R1 1.3 Explanation of symbols 1.4 Changes 10.4 TrefS3 1.5 Warranty 10.5 Hysteresis 10.6 Energy saving mode Description of controller 10.7 TminS3 2.1 Specifications... -
Page 3: Safety Instructions
Safety instructions 1.1 EC declaration of conformity By affixing the CE mark to the unit the manufacturer declares that the TDC 2 conforms to the following relevant safety regulations: EC low voltage directive 73/23/EEC, as amended by 93/68/EEC EC electromagnetic compatibility directive... -
Page 4: Changes
Safety instructions 1.4 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 written 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,... -
Page 5: Description Of Controller
Description of controller 2.1 Specifications Electrical specifications: Mains voltage 230VAC +/- 10% Mains frequency 50...60Hz Power consumption Switched power Electronic relay R1 min.20W...max.120W for AC3 Internal fuse 2A slow-blow 250V Protection category IP40 Protection class Sensor inputs 3 x Pt1000 Measuring range -40°C up to 300°C Permissible ambient conditions:... -
Page 6: About The Controller
The TDC 2 can be used as a temperature difference controller for the various system variants illustrated and explained under 2.5. Important characteristics of the TDC 2:... -
Page 7: Hydraulic Variants
Description of controller 2.5 Hydraulic variants The following illustrations should be viewed only as schematic diagrams showing the respective hydraulic systems, and do not Caution claim to be complete. The controller does not replace safety devices under any circumstances. Depending on the specific application, additional system components and safety components may be mandatory, such as check valves, non-return valves, safety temperature limiters, scalding protectors, etc., and must therefore be provided. -
Page 8: Installation
Installation 3.1 Wall installation Install the controller only in dry areas and under the ambient conditions described under 2.1 “Specifications . Carry out the ” following steps 1-8. Caution 1.Unscrew cover screw completely Fig.3.1.1 2.Carefully pull upper part of housing from lower part. 3.Set upper part of housing aside, being sure not to touch the electronics when doing so. -
Page 9: Electrical Connection
Installation 3.2 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 Danger compliance with the applicable regulations. -
Page 10: Electrical Connection
Installation 3.2 Electrical connection (continued) Fig. 3.2.2 “Solar with storage tank“ Terminal connection diagram, program 1 Low voltage max. 12VAC/DC Sensor side Mains side connection in the left-hand terminal max. 12V 230VAC compartment! Caution Danger Terminal: Connection for: S1 (2x) Sensor 1 collector S2 (2x) Sensor 2 storage tank... -
Page 11: Installing The Sensors
Installation Fig. 3.2.4 „Solar with add. heating“ Terminal connection diagram, program 3 Low voltage max. 12VAC/DC Sensor side Mains connection in the left-hand terminal max. 12V side compartment! Caution 230VAC Danger Terminal: Connection for: S1 (2x) Sensor 1 collector S2 (2x) Sensor 2 storage tank S3 (2x) Sensor 3 thermostat... -
Page 12: Operation
Operation 4.1 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 is set. -
Page 13: Menu Sequence
Operation 4.2 Menu sequence and menu structure The graphics or overview mode appears when no key has been press for 2 minutes, 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. -
Page 14: Parametrisation
Parametrisation 5.1 Commissioning help The first 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 commissioning help can also be terminated or called up again at any time in the special functions menu. -
Page 15: Measurement Val. Menu 1
Measurement values menu 1 6. Measurement values The menu “1. Measurement values” serves to display the currently measured temperatures. The menu is closed by pressing “esc” or selecting “Exit measurement values”. Selecting “Info” leads to a brief help text explaining the measurement values. -
Page 16: Operating Hours
Statistics menu 2 7. Statistics The menu “2. Statistics” is used for function control and long-term monitoring of the system. The submenus described under 7.1-7.6 are available. 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 accurately on the controller. -
Page 17: Display Mode Menu
Display mode menu 3 8. Display mode Menu “3. Display mode” is used to define the controller’s display for normal operation. This display appears whenever two minutes go by without any key being pressed. The main menu appears again when a key is pressed. The menu is closed by pressing “esc”... -
Page 18: Automatic
Operating modes menu 4 9. Operating mode In menu “4. Operating modes” the controller can either be placed in automatic mode, switched off, or placed in a manual operating mode. The menu is closed by pressing “esc” or selecting “Exit operating modes”. 9.1 Automatic menu 4.1 Automatic mode is the normal operating mode of the controller. -
Page 19: Settings
Settings menu 5 10. 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”... -
Page 20: Trefs3
Settings menu 5 10. Settings (continued) The menu items 10.4 to 10.9 only appear when hydraulic variant 3 is selected (see 12.1) Caution = set temperature at sensor 3 10.4 TrefS3 menu 5.4 If the thermostat function is active (see 10.8) and the temperature falls below the set temperature, the additional heating at relais 2 is switched on until the temperature reaches the set value + hysteresis (see 10.5 hysteresis) Setting range: from 0°C to 99°C/default setting: 50°C... -
Page 21: Thermostat Periods
Settings menu 5 10. Settings (continued) = thermostat activity times 10.8 Thermostat periods menu 5.8 Set the desired periods of time when the thermostat should be active. 2 periods can be set per day, settings can also be copied to other days. Outside the set times the thermostat is switched off. -
Page 22: Protective Functions
Protective functions menu 6 11. Protective functions Menu “6. Protective functions” can be used to activate and set various protective functions. This does not under any circumstances replace the safety facilities to be Caution provided by the customer! The menu is closed by pressing “esc”... -
Page 23: Solar Protection
Protective functions menu 6 11.3 Solar protection functions menu 6.3 / 6.3.1 - 6.3.5 Two solar protection variants V1+V2 and an alarm function with additional settings are available for the hydraulic systems with solar; these are explained in more detail below. The solar protection is switched off at delivery. -
Page 24: Recooling
Protective functions menu 6 11.4 Recooling menu 6.4 / 6.4.1 - 6.4.2 When the recooling function is activated excess energy from the storage tank is fed back into the collector. This only takes place if the temperature in the storage tank is higher than the value “Recool Tsetpoint” and the collector is at least 20°C cooler than the storage tank and before the storage tank temperature has dropped below the value “Recool Tsetpoint”. -
Page 25: Special Functions
Special functions menu 7 12. Special functions Menu “7. 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”... -
Page 26: Commissioning
Special functions menu 7 12.4 Commissioning menu 7.4 Starting the commissioning help guides you in the correct order through the basic settings 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 selected setting again or adjust it if desired. -
Page 27: Start Help
Special functions menu 7 12.7 Heat quantity (continued) AF type menu 7.7.2 Adjust the type of glycol that has been used in the system. Settings range: Ethylene/Propylene /default setting: Ethylene Glycol portion menu 7.7.3 Adjust the percentage of glycol that has been used in the system. Settings range: 0-60% /default setting: 40% Flow rate menu 7.7.4... -
Page 28: Speed Control
Special functions menu 7 12.9 Speed control menu 7.9 If the speed control is activated, the TDC2 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 Caution... - Page 29 Special functions menu 7 12.9 Speed control (continued) 12.9.2 Purging time menu 7.9.2 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.
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Page 30: Menu Lock Menu
Menu lock menu 8 13. Menu lock Menu “8. Menu lock” can be used to secure the controller against unintentional changing of the set values. The menu is closed by pressing “esc” or selecting “Exit menu lock”. The menus listed below remain completely accessible despite the menu block being activated, and can be used to make adjustments if necessary: Measurement values Analysis... -
Page 31: Service Values Menu
Service values menu 9 15. Service value The menu “9. Service values” can be used for remote diagnosis by a specialist or the manufacturer in the event of an error, etc. Enter the values at the time when the error occurs e.g. in the table. -
Page 32: Error Messages
Malfunctions 16.1 Malfunctions with error messages If the controller detects a mal- function, the red light flashes and the warning symbol also appears in the display. If the error is no longer present, the warning symbol changes (LED flashes + to an info symbol and the red light no warning symbol) longer flashes. -
Page 33: Replacing The Fuse
Malfunctions 16.2 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 being switched on again! Check for the absence of power! Danger Only use the supplied spare fuse or a fuse of the same design with the following specifications: T2A 250V Danger... -
Page 34: Useful Notes
Useful notes/tips and tricks Instead of setting the flow rate for the system using a flow rate limiter, it is better to adjust the flow rate using the switch on the pump and by means of the max. speed setting on the controller “... - Page 35 Notes...
- Page 36 Although these instructions have been created with the greatest possible care, the possibility of incorrect or incomplete information cannot be excluded. Subject as a basic principle to errors and technical changes. Your specialist dealer: Manufacturer: 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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