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Summary of Contents for Sorel TDC 5A
- Page 1 Temperature Difference Controller TDC 5A Installation and operating instructions TDC 5 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 Settings Menu 5 1.1 EC-conformity 10.1-2 TminS1, S5 1.2 General instructions 10.3-4 TmaxS2,S4 24-25 10.5-6 ΔTR1, R2 1.3 Explanation of symbols 25-26 1.4 Changes 10.7-8 TsetS3, Hyst.S3 1.5 Warranty 10.9. Energy saving mode 10.10 TminS3 Description of controller 10.11-12 TsetS4, Hyst.S4... -
Page 3: Safety Instructions
Safety instructions 1.1 EC declaration of conformity By affi xing the CE mark to the unit the manufacturer declares that the Temperature-Difference-Controller 5, hereinafter referred to as TDC 5A, conforms to the following relevant safety regulations: EC low voltage 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 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... -
Page 6: About The Controller
Description of controller 2.2 About the controller The Temperature Difference Controller TDC 5 facilitates effi cient use and func- tion control of your solar or heating system. The device is impressive most of all for its functionality and simple, almost self-explanatory operation. For each step in the input process the individual entry keys are assigned to appropriate func- tions and explained. -
Page 7: Hydraulic Variants
Description of controller 2.5 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 Caution under any circumstances. Depending on the specifi c application, additio- nal 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 “Specifi cations”. 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 elect- ronics when doing so. -
Page 9: Electrical Connection
Installation 3.2 Electrical connection Before working on the unit, switch off the power supply and secu- re it against being switched on again! Check for the absence of power! Electrical connections may only be made by a specialist Danger! and in compliance with the applicable regulations. Do not use the controller if the housing shows visible damage. - Page 10 Installation 3.2 Electrical connection (continued) 3.2.1 Solar with circulation Brief description: Function ∆T R1 (10.5) switches the Sensor side Mains side pump at relais R1. max. 12V 230VAC Danger! Caution Function Tset S3 (10.7) switches the additional heating at relais R3. Function Tset S4 (10.11) switches the circulationpump at relais R2.
- Page 11 Installation 3.2 Electrical connection (continued) 3.2.2 Solar with follow-on storage Brief description: Function ∆T R1 (10.5) switches the Mains side Sensor side pump at relais R1. 230VAC max. 12V Caution Danger! Function Tset S3 (10.7) switches the additional heating at relais R3. Function ∆T R2 (S5>S4 10.6) schaltet die Pumpe an Relais R2.
- Page 12 Installation 3.2 Electrical connection (continued) 3.2.3 Solar with return lift Brief description: Function ∆T R1 (10.5) switches the Sensor side Mains side pump at relais R1. max. 12V 230VAC Caution Danger! Function Tset S3 (10.7) switches the additional heating at relais R3. Function ∆T R2 (S5>S4 10.6) schaltet die Pumpe an Relais R2.
- Page 13 Installation 3.2 Electrical connection (continued) 3.2.4 Solar and double thermostat Brief description: Function ∆T R1 (10.5) switches the Sensor side Mains side pump at relais R1. max. 12V 230VAC Caution Danger! Function Tsetpoint S3 (10.7 ) switches the additional heating at relais R3. Function Tsetpoint S4 (10.11) swit- ches additional heating at R2.
- Page 14 Installation 3.2 Electrical connection (continued) 3.2.5 Solar 2 storages / valves Brief description: Function ∆T R1 (10.6) switches pump Sensor side Mains side at relais R1. max. 12V 230VAC Caution Danger! Function priority (10.15) switches valve at relais R2. Function Tset S3 (10.7) switches Ad- ditional heating at relais R3.
- Page 15 Installation 3.2 Electrical connection (continued) 3.2.6 Solar 2 storages / 2 pumps Brief description: Function ∆T R1 (10.5) switches pump Sensor side Mains side at relais R1. max. 12V 230VAC Caution Danger! Function ∆T R2 (10.6) switches pump at relais R2. Function Tset S3 (10.7) switches ad- ditional heating at relais R3.
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Page 16: Installing The Sensors
Installation 3.2 Electrical connection (continued) 3.3 Installing the temperature sensors The controller operates with Pt1000 temperature sensors which are ac- curate to the degree, thus ensuring optimal control of system functions. If desired the sensor cables can be extended to a maximum of 30m using a cable with a cross-section of at least 0.75mm². -
Page 17: Operation
Operation 4.1 Display and input The display (1), with its extensive text and graphics mode, is almost selfex- planatory, 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 18: Menu Sequence
Operation 4.2 Menu sequence and menu structure The graphics or overview mode ap- pears 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 over- view mode takes you directly to the main menu. -
Page 19: Parametrisation
Parametrisation 5.1 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 commissioning help can also be terminated or called up again at any time in the special functions menu. -
Page 20: 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 measurement values”. Selecting “Info” leads to a brief help text explaining the measurement values. -
Page 21: Operating Hours
Statistics menu 2 7. Statistics The menu “2. Statistics” is used for function control and long-term moni- toring 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 22: Time And Date
Periods menu 3 8. Periods Menu 3 “periods” is used to set time, date, thermostat and circulation periods. The menu is closed by pressing “esc” or selecting “Exit periods”. 8.1 Time and date menu 3.1 This menu is used to set the current time and date. For analysis of the system data it is essential for the time to be set accurately on the controller. -
Page 23: Operating Modes Menu
Operating modes Menü 4 9. Operating modes 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 24: 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 replace the safety facilities to be pro- Caution vided by the customer! The menu is closed by pressing “esc”... - Page 25 Settings menu 5 10. Settings (continued) = Switch-off temperature at sensor 4 10.4 Tmax S4 menu 5.x If the temperature at sensor 4 exceeds this value, the corresponding pump or valve is switched off.If the temperature drops below this value and all the other conditions are met, the pump or valve is switched on again.
- Page 26 Settings menu 5 10. Settings (continued) 10.6 ΔT R2 = Switch-on/-off temperature at relais R2 Menü 5.x 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. If the temperature difference drops to ∆T R2 Off, then the pump and/or the valve is switched off again.
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Page 27: Tmins3
Settings menu 5 = Energy savings mode at sensor 3 10.9 Energy savings mode menu 5.x This settings activates the energy savings mode at sensor 3. In this mode ad- ditional heating at the corresponding relais in case of solar heating only heats up to TminS3 + hysteris S3(s. -
Page 28: Party Function
Settings menu 5 10.13 Party Function With the party function the storage temperature is heated up once to the reference temperature (TrefS3, respectively TminS3 in energy saving mode). The party mode is enabled by pressing the „esc“-key for 3 seconds in the main menu. - Page 29 Settings menu 5 = temperature increase during the charging pause 10.17 Increase menu 5.x For precise setting of the charging priorities for systems with multiple storage tanks, the necessary temperature increase of the collector at which the interrup- tion of the charging in the lower-priority storage tank is extended by one minute is set here.
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Page 30: Protective Functionsmenu
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 31: 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 32: Recooling
Protective functions menu 6 11.4 Recooling menu 6.4 / 6.4.1 - 6.4.2 In hydraulic systems with solar 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”... -
Page 33: Antilegionella
Protective functions menu 6 11.5 Antilegionella menu 6.5 / 6.5.1 - 6.5.3 With the AL-function activated, the TDC 5 makes it possible to heat the storage in selectable intervals, (AL interval) for the set residence time (AL resid. time), starting at the set time (AL start time) until the temperature AL Tset is reached. Sensor 6 must be connected when the Antilegionella function is active, since it is used to as switch-off sensor and must be placed in an appropriate position in the lower part of the storage or in the conduit system. -
Page 34: Special Function
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 35: 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 de- scriptions 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 36: Start Aid
Special functions menu 7 12.7 Heat quantity menu 7.7 / 7.7.1 - 7.7.5 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 ∆T”. -
Page 37: Speed Control
Special functions menu 7 12.9 Speed control menu 7.9 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 Caution... - Page 38 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 39: 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 necessary: 1. -
Page 40: Service Values Menu
Service values menu 9 15. Service values The menu “9. Service values” can be used for remote diagnosis by a speci- alist 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 41 Malfunctions 16.1 Malfunctions with error messages If the controller detects a malfunc- tion, the red light fl ashes and the warning symbol also appears in the display. If the error is no longer pre- (Led fl ashes + warning sent, the warning symbol changes symbol) to an info symbol and the red light no longer fl...
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Page 42: Malfunctions
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 Danger against being switched on again! Check for the absence Danger! of power! Only use the supplied spare fuse or a fuse of the same design with the following specifi... -
Page 43: Useful Notes
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 12.9.4). - Page 44 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. 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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