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Summary of Contents for Sorel TDC 4
- Page 1 Temperature Difference Controller TDC 4 Installation and operating instructions SOREL TDC 4 Temperature-Difference-Controller Read carefully before installation, commissioning and operation...
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Page 2: Table Of Contents
Contents Chapter Page Chapter Page Safety instructions Operating modes menu 4 1.1 EC conformity 9.1 Automatic 1.2 General instructions 9.2 Manual 1.3 Explanation of symbols 9.3 Off 1.4 Changes Settings menu 5 1.5 Warranty 10.1-10.3 Tmin... Description of controller 10.4-10.5 Tmax... 10.6-10.7 ∆T... -
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 4 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 Mechanical relay R2 460VA for AC1 / 185W for AC3 Internal fuse 2A slow-blow 250V Protection category IP40 Protection class... -
Page 6: About The Controller
The TDC 4 can be used as a temperature difference controller for the various system variants illustrated and explained under 2.5. Important characteristics of the TDC 4:... -
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 de- vices 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... -
Page 8: Installation
Installation 3.1 Wall installation Install the controller only in dry areas and under the ambient condi- tions described under 2.1 “Specifications . Carry out the following ” Caution steps 1-8. 1. Unscrew cover screw completely Fig. 3.1.1 2. Carefully pull upper part of hou- sing from lower part. -
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! Danger Electrical connections may only be made by a specialist and in compliance with the applicable regulations. - Page 10 Installation 3.2 Electrical connection (continued) Fig. 3.2.2 “Solar with storage tank” Vortex flow sensor installation advice Sensor side Mains side Caution max. 12V 230VAC Caution Danger To prevent damage to the Vortex flow sensor it is strongly recommended to install the sensor in the return! (see also 12.7 heat metering) The VFS has to be installed in the cor- rect flow direction!
- Page 11 Installation 3.2 Electrical connection (continued) Fig. 3.2.3 “Solar + Thermostat” Vortex flow sensor installation advice Mains side Sensor side Caution max. 12V 230VAC Caution Danger To prevent damage to the Vortex flow sensor it is strongly recommended to install the sensor in the return! (see also 12.7 heat metering) The VFS has to be installed in the cor- rect flow direction!
- Page 12 Installation 3.2 Electrical connection (continued) Fig. 3.2.4 “Solar with bypass” Vortex flow sensor installation advice Sensor side Mains side Caution max. 12V 230VAC Caution Danger To prevent damage to the Vortex flow sensor it is strongly recommended to install the sensor in the return! (see also 12.7 heat metering) The VFS has to be installed in the cor- rect flow direction!
- Page 13 Installation 3.2 Electrical connection (continued) Fig. 3.2.5 “Solar with return lift” Vortex flow sensor installation advice Sensor side Mains side Caution max. 12V 230VAC Caution Danger To prevent damage to the Vortex flow sensor it is strongly recommended to install the sensor in the return! (see also 12.7 heat metering) The VFS has to be installed in the cor- rect flow direction!
- Page 14 Installation 3.2 Electrical connection (continued) Fig. 3.2.6 “Solar with 2 zone storage tanks” Vortex flow sensor installation advice Sensor side Mains side Caution max. 12V 230VAC Caution Danger To prevent damage to the Vortex flow sensor it is strongly recommended to install the sensor in the return! (see also 12.7 heat metering) The VFS has to be installed in the cor-...
- Page 15 Installation 3.2 Electrical connection (continued) Fig. 3.2.7 “Solar with ext. heat exchanger” Vortex flow sensor installation advice Sensor side Mains side Caution max. 12V 230VAC Caution Danger To prevent damage to the Vortex flow sensor it is strongly recommended to install the sensor in the return! (see also 12.7 heat metering) The VFS has to be installed in the cor-...
- Page 16 Installation 3.2 Electrical connection (continued) Fig. 3.2.8 “Solar 2 coll. (east/west)” Vortex flow sensor installation advice Sensor side Mains side Caution max. 12V 230VAC Caution Danger To prevent damage to the Vortex flow sensor it is strongly recommended to install the sensor in the return! (see also 12.7 heat metering) The VFS has to be installed in the cor- rect flow direction!
- Page 17 Installation 3.2 Electrical connection (continued) Fig. 3.2.9 “Solar 2 coll. 2 pumps” Vortex flow sensor installation advice Sensor side Mains side Caution max. 12V 230VAC Caution Danger To prevent damage to the Vortex flow sensor it is strongly recommended to install the sensor in the return! (see also 12.7 heat metering) The VFS has to be installed in the cor-...
- Page 18 Installation 3.2 Electrical connection (continued) Fig 3.2.10 “Solar 2 Storage tank/valve” Vortex flow sensor installation advice Sensor side Mains side Caution max. 12V 230VAC Caution Danger To prevent damage to the Vortex flow sensor it is strongly recommended to install the sensor in the return! (see also 12.7 heat metering) The VFS has to be installed in the cor- rect flow direction!
- Page 19 Installation 3.2 Electrical connection (continued) Fig. 3.2.11 “Solar 2 storage tank/2 pu.” Vortex flow sensor installation advice Sensor side Mains side Caution max. 12V 230VAC Caution Danger To prevent damage to the Vortex flow sensor it is strongly recommended to install the sensor in the return! (see also 12.7 heat metering) The VFS has to be installed in the cor-...
- Page 20 Installation 3.2 Electrical connection (continued) Fig. 3.2.12 “Solar with follow-on storage tank/ Vortex flow sensor installation Solar & Transfer“ advice Caution Sensor side Mains side max. 12V 230VAC To prevent damage to the Vortex flow Caution Danger sensor it is strongly recommended to install the sensor in the return! (see also 12.7 heat metering) The VFS has to be installed in the cor-...
- Page 21 Installation 3.2 Electrical connection (continued) Fig. 3.2.13 “Solar with swimming pool Vortex flow sensor installation and heat exchanger“” advice Sensor side Mains side Caution max. 12V 230VAC Caution Danger To prevent damage to the Vortex flow sensor it is strongly recommended to install the sensor in the return! (see also 12.7 heat metering) The VFS has to be installed in the cor-...
- Page 22 Installation 3.2 Electrical connection (continued) Fig. 3.2.14 “Solar storage tank/pool” Vortex flow sensor installation advice Sensor side Mains side Caution max. 12V 230VAC Caution Danger To prevent damage to the Vortex flow sensor it is strongly recommended to install the sensor in the return! (see also 12.7 heat metering) The VFS has to be installed in the cor- rect flow direction!
- Page 23 Installation 3.2 Electrical connection (continued) Fig. 3.2.15 “Universal ∆T controller” Vortex flow sensor installation advice Sensor side Mains side Caution max. 12V 230VAC Caution Danger To prevent damage to the Vortex flow sensor it is strongly recommended to install the sensor in the return! (see also 12.7 heat metering) The VFS has to be installed in the cor- rect flow direction!
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Page 24: Electrical Connection
Installation 3.2 Electrical connection (continued) Fig. 3.2.16 “Universal 2x ∆T controller” Vortex flow sensor installation advice Sensor side Mains side Caution max. 12V 230VAC Caution Danger To prevent damage to the Vortex flow sensor it is strongly recommended to install the sensor in the return! (see also 12.7 heat metering) The VFS has to be installed in the cor- rect flow direction! -
Page 25: Installing The Sensors
Installation 3.2 Electrical connection (continued) 3.3 Installing the temperature sensors The controller operates with PT1000 temperature sensors which offer a high degree of accuracy thus ensuring optimal control of system functions. To further ensure the accuracy of heat metering, the PT1000 sensor should be inserted in an immersion sleeve mounted in the fluid. -
Page 26: 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 27: 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 28: 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 29: Measurement Menu
Measurement values menu 1 6. Measurement values The menu “1. Measurement values” serves to display the currently mea- sured temperatures. The menu is closed by pressing “esc” or selecting “Exit measure- ment values”. Selecting “Details” leads to a brief help text explaining the measure- ment values. -
Page 30: Operating Hours
Analyses menu 2 7. Analysis The menu “2. Analyses” 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 analyses”. For analysis of the system data it is essential for the time to be set accurately on the controller. -
Page 31: 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 32: Operating Modes Menu
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”. -
Page 33: Settings Menu
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 r e p l a c e the safety facilities to be Caution provided by the customer! The menu is closed by pressing “esc”... -
Page 34: Tmax
Settings menu 5 10. Settings (continued) 10.4 Tmax S2 menu 5.x = 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 35: 10.7 ∆T
Settings menu 5 10. Settings (continued) 10.7 ∆T R2 menu 5.x = switch-on temperature difference for relay R2 If this temperature difference between the reference sensors is exceeded and the other conditions are also met, then the controller switches the pump and/or the valve on. -
Page 36: Priority
Settings menu 5 10. Settings (continued) 10.10 Priority sensor menu 5.x = charging priority in systems with two storage tanks 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 37 Settings menu 5...
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Page 38: 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 c ircumstances r e p l a c e the safety facilities to be Caution provided by the customer! The menu is closed by pressing... -
Page 39: Solar Protection
Protective functions menu 6 11.3 Solar protection function menus 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 40: Anti-Legionella
11.5 Anti-Legionella menus 6.5 / 6.5.1 - 6.5.3 With the “AL function” activated the TDC 4 makes it possible to heat the storage tank up once at certain intervals (the “AL frequency”) to a higher tem- perature (“AL Tsetpoint S2”), assuming that the energy source allows this. -
Page 41: 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 set- tings may only be made by a specialist. Caution The menu is closed by pressing “esc”... -
Page 42: Factory Settings
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 43: Heat Metering
Special functions menu 7 12.7 Heat quantity menus 7.7 / 7.7.1 - 7.7.5 In this menu the type and percentage of the glycol and the type and placement of the Vortex flow sensor have to be set. AF type menu 7.7.1 Adjust the type of glycol/Anti-freeze that has been used in the system. -
Page 44: Speed Control
7 12.9 Speed control menu 7.9 If the speed control is activated, the TDC 4 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... -
Page 45: Speed Control
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. -
Page 46: 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 lock being activated, and can be used to make adjustments if neces- sary: Measurement values... - Page 47 Service values menu 9 15. Service values 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.
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Page 48: 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 to an info (LED flashes + symbol and the red light no longer warning symbol) flashes. -
Page 49: 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 50: 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 51: Useful Notes
Useful notes/tips and tricks Universal ∆T controller Programs 14 + 15 are suitable, for ex- “ ” ample, for hydraulic variants with solid-fired boiler, follow-on storage tank charging, storage tank transfer, heating circuit return lift, etc. The Operating hours displayed in the Analysis menu are solar “... - Page 52 Although these instructions have been created with the greatest possible care, the possibility of incorrect or incomplete information cannot be ex- cluded. 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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