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The menus listed below remain completely accessible despite the menu lock being 
activated, and can be used to make adjustments if necessary:

1. Measurement 

values

2. Analysis
3. Display 

mode

7.2. Time&date
9. Menu 

lock

10. Service 

values

11. Language

To lock the other menus, select “Menu lock on”.
To enable the menus again, select “Menu lock off”.
Setting range: on, off/default setting: off

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”.

9. Menu 

lock

11. Language

Menu “11. Language” can be used to se-
lect the language for the menu guidance. 
This is queried automatically during initial 
commissioning.
The choice of languages may differ, how-
ever, depending on the device design. 

Language

Summary of Contents for TDC 5

Page 1: ...Read carefully before installation commissioning and operation TDC 5 Temperatur Differenz Controller Temperature Difference Controller TDC 5 Installation and operating instructions ...

Page 2: ...odes 34 5 1 Automatic 34 5 2 Manual 34 5 3 Off 34 5 4 Fill system 34 6 Settings 35 6 1 Tmin S1 35 6 2 Tmin S2 35 6 3 Tmin S3 35 6 4 Tmax S2 36 6 5 Tmax S3 36 6 6 Tmax S4 36 page page 6 7 T R1 37 6 8 T R2 37 6 9 T R3 37 6 10 Tset S3 38 6 11 Tset S4 38 6 12 Hysteresis S3 38 6 13 Hysteresis S4 38 6 14 Priority Sensor 39 6 15 T priority 39 6 16 Loading time 39 6 17 Increase 39 6 18 Party Function 40 6...

Page 3: ...he regulations of the lo cal power utility the applicable DIN EN standards and the installation and operating instruction of the additional system components must also be observed The controller does not under any circumstances replace any safety devices to be provided by the customer Installation electrical connection commissioning and maintenance of the unit may only be carried out by specialist...

Page 4: ...ries Use of the device for other than its intended purpose Operation above or below the limit values listed in the specifications Force majeure A 5 Warranty and liability 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 ...

Page 5: ... Other specifications and dimensions Housing design 2 part ABS plastic Installation methods Wall installation optionally panel installation Overall dimensions 163mm x 110mm x 52mm Aperture installation dimensions 157mm x 106mm x 31mm Display Fully graphical display 128 x 64 dots Light diode Multicolour Operation 4 entry keys Temperature sensors may not be included in the scope of supply Collector ...

Page 6: ... can be activated to prevent unintentional setting changes Resetting to factory settings A wide range of additional functions are available B 2 About the controller Description of controller Temperature Difference Controller TDC 5 3 screws 3 5x35mm and 3 plugs 6mm for wall installation 6 strain relief clips with 12 screws replacement fuse 2A slow blow Installation and operating instructions TDC 5 ...

Page 7: ...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 specific application additional system components and safety components may be mandatory such as check valves non return valves safety temperature limiters scalding protec tors etc and must therefore be provided ...

Page 8: ...uch the electronics when doing so 4 Hold the lower part of the housing up to the selected position and mark the 3 mounting holes Make sure that the wall surface is as even as possible so that the housing does not become distorted when it is screwed on 5 Using a drill and size 6 bit drill 3 holes at the points marked on the wall and push in the plugs 6 Insert the upper screw and screw it in slightl...

Page 9: ...left hand side of the unit and mains voltage cables only into the right hand side Caution The customer must provide an all pole disconnecting device e g a heating emergency switch Caution The cables being connected to the unit must not be stripped by more than 55mm and the cable jacket must reach into the housing just to the other side of the strain relief Relay R1 is only suitable for standard pu...

Page 10: ...perature sensors The temperature sensor cables must be routed separately from mains voltage cables and must not for example be routed in the same cable duct The controller operates with Pt1000 temperature sensors which are accurate 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 ca ble with a cross section of ...

Page 11: ...voltages 230VAC 50 60Hz Connec tion in the right hand terminal compartment Terminal Connection for R1 pump L speed control N pump N L Mains phase conductor L N Mains neutral conductor N R2 pump L no speed control N pump N R3 thermostat L N thermostat N The PE protective conductor must be con nected to the PE metal terminal block Brief description T R1 6 7 switches the pump at relay R1 Tset S3 6 10...

Page 12: ...30VAC 50 60Hz Connec tion in the right hand terminal compartment Terminal Connection for R1 pump L speed control N pump N L Mains phase conductor L N Mains neutral conductor N R2 pump L no speed control N pump N R3 thermostat L N thermostat N The PE protective conductor must be con nected to the PE metal terminal block Brief description T R1 6 7 switches the pump at relay R1 Tset S3 6 10 switches ...

Page 13: ...in the right hand terminal compartment Terminal Connection for R1 pump L speed control N pump N L Mains phase conductor L N Mains neutral conductor N R2 valve L N valve N R3 thermostat L N thermostat N Direction of valve R2 on valve on Flow through storage The PE protective conductor must be con nected to the PE metal terminal block Brief description T R1 6 7 switches the pump at relay R1 Tset S3 ...

Page 14: ...oltages 230VAC 50 60Hz Connec tion in the right hand terminal compartment Terminal Connection for R1 pump L speed control N pump N L Mains phase conductor L N Mains neutral conductor N R2 thermostat L N thermostat N R3 thermostat L N thermostat N The PE protective conductor must be con nected to the PE metal terminal block Brief description T R1 6 7 switches the pump at relay R1 Tset S3 6 10 switc...

Page 15: ... block Connection of sensor earths S1 S6 via terminal block sensor The polarity of the sensors is freely selec table Mains voltages 230VAC 50 60Hz Connec tion in the right hand terminal compartment Terminal Connection for R1 pump L speed control N pump N L Mains phase conductor L N Mains neutral conductor N R2 valve L N valve N R3 thermostat L N thermostat N Direction of valve R2 on valve on Flow ...

Page 16: ...230VAC 50 60Hz Connec tion in the right hand terminal compartment Terminal Connection for R1 pump L speed control N pump N L Mains phase conductor L N Mains neutral conductor N R2 Pump L ohne Drehz N Pump N R3 Thermostat L N Thermostat N The PE protective conductor must be con nected to the PE metal terminal block Brief description T R1 6 7 switches the pump at relay R1 T R2 6 8 switches the pump ...

Page 17: ...t hand terminal compartment Terminal Connection for R1 pump L speed control N pump N L Mains phase conductor L N Mains neutral conductor N R2 Ventil L N Ventil N R3 Ventil Rücklaufanhebung L N Ventil Rücklaufanhebung N The PE protective conductor must be con nected to the PE metal terminal block Brief description T R1 6 7 switches the pump at relay R1 an Relais R1 T R2 6 8 switches the valve at re...

Page 18: ...50 60Hz Connec tion in the right hand terminal compartment Terminal Connection for R1 pump 1 L speed control N pump 1 N L Mains phase conductor L N Mains neutral conductor N R2 pump 2 L N pump 2 N R3 valve return lift L N valve return lift N The PE protective conductor must be con nected to the PE metal terminal block Brief description T R1 6 7 switches the pump at relay R1 T R2 6 8 switches the p...

Page 19: ...tment Terminal Connection for R1 pump 1 L speed control N pump 1 N L Mains phase conductor L N Mains neutral conductor N R2 store valve L N store valve N R3 collector valve L N collector valve N The PE protective conductor must be con nected to the PE metal terminal block Brief description T R1 6 7 switches the pump at relay R1 T R2 6 8 switches the valve at relay R2 Priority 6 15 switches the val...

Page 20: ...tages 230VAC 50 60Hz Connec tion in the right hand terminal compartment Terminal Connection for R1 pump 1 L Drehzahl N pump 1 N L Mains phase conductor L N Mains neutral conductor N R2 valve L N valve N R3 pump 2 L N pump 2 N The PE protective conductor must be con nected to the PE metal terminal block Brief description T R1 6 7 switches the pump at relay R1 T R2 6 8 switches the pump at relay R3 ...

Page 21: ...pump 1 N L Mains phase conductor L N Mains neutral conductor N R2 zone valve L N zone valve N R3 pump 2 L N pump 2 N The PE protective conductor must be con nected to the PE metal terminal block Brief description T R1 6 7 switches the primary pump at 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 Priori...

Page 22: ...partment Terminal Connection for R1 pump 1 L speed control N pump 1 N L Mains phase conductor L N Mains neutral conductor N R2 valve L N valve N R3 pump 2 L N pump 2 N The PE protective conductor must be con nected to the PE metal terminal block Brief description T R1 6 7 switches the pump at relay R1 T R2 6 8 switches the valve at relay R2 additionally the secondary pump at relay R3 is switched w...

Page 23: ...on in the right hand terminal compartment Terminal Connection for R1 pump 1 L speed control N pump 1 N L Mains phase conductor L N Mains neutral conductor N R2 pump 2 L N pump 2 N R3 pump 3 L N pump 3 N The PE protective conductor must be con nected to the PE metal terminal block Brief description T R1 6 7 switches the pump at relay R1 T R2 6 8 switches the pump at relay R2 T R3 6 9 switches the p...

Page 24: ...minal compartment Terminal Connection for R1 pump 1 L speed control N pump 1 N L Mains phase conductor L N Mains neutral conductor N R2 valve 1 L N valve 1 N R3 valve 2 L N valve 2 N The PE protective conductor must be con nected to the PE metal terminal block Brief description T R1 6 7 switches the pump at relay R1 T R2 6 8 switches the pump at relay R1 and the valve at relay R2 T R3 6 9 switches...

Page 25: ...nd terminal compartment Terminal Connection for R1 pump 1 L speed control N pump 1 N L Mains phase conductor L N Mains neutral conductor N R2 SF pump 2 L N SF pump 2 N R3 thermostat L N thermostat N The PE protective conductor must be con nected to the PE metal terminal block Brief description T R1 6 7 switches the pump at relay R1 T R2 6 8 switches the pump at relay R2 Tset S3 6 10 switches therm...

Page 26: ...0Hz Connec tion in the right hand terminal compartment Terminal Connection for R1 pump 1 L speed control N pump 1 N L Mains phase conductor L N Mains neutral conductor N R2 pump 2 L N pump 2 N R3 Not used N Not used The PE protective conductor must be con nected to the PE metal terminal block Brief description T R1 6 7 switches the pump at relay R1 T R2 6 8 switches the pump at relay R2 Caution Bo...

Page 27: ...anual The LED 2 flashes quickly red when an error is present Entries are made using four keys 3 4 which are assigned to different functions depending on the situation The esc key 3 is used to cancel an entry or to exit a menu If applicable there will be a request for confirmation as to whether the changes which have been made should be saved The function of each of the other three keys 4 is shown ...

Page 28: ...l functions menu The commissioning help guides you through the necessary basic settings in the correct order and provides Parametrisation Caution Observe the explanations for the the individual parameters on the fol lowing pages and check whether further settings are necessary for your application E 3 Free commissioning If you decide not to use the commissioning help you should make the necessary ...

Page 29: ...th oper ating hours etc Select graphics mode or overview mode Set time date and operating times Automatic mode manual mode or switch unit off Set parameters needed for normal opera tion Solar and frost protection recooling anti seizing protection Program selection sensor cali bration clock additional sensor etc Against unintentional setting chan ges at critical points For diagnosis in the event of...

Page 30: ...ctive or incorrect temperature sensor If the cables are too long or the sensors are not placed optimally the result may be small deviations in the measurement values In this case the display values can be compensated for by making entries on the controller Follow the instructions under 8 2 What measurement values are displayed depends on the selected program the connected sensors and the specific ...

Page 31: ...Resetting and deleting the individual analyses The function All statistics clears all analyses but not the error messages 2 6 Reset clear Display of the last 10 events occurring in the system with indication of date and time 2 Statistics Caution 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...

Page 32: ...ed The main menu appears again when a key is pressed The menu is closed by pressing esc or selecting Exit display mode 3 1 Schematic In graphics mode the selected hydraulic systems are depicted with the measured temperatures and operating states of the connected consumers 3 2 Overview In overview mode the measured temperatures and operating states of the connected consumers are depicted in text fo...

Page 33: ...ds can be set per day settings can also be copied to other days Setting range 3 periods for every day Default Mo So 6 00 22 00 Uhr Set the desired periods of time when the circulation is enabled 3 periods can be set per day settings can also be copied to other days Setting range 3 periods for every day Default Mo So 6 00 22 00 Uhr Periods 4 Periods Caution Caution Caution For proper functioning of...

Page 34: ...The measured temperatures are also shown to provide an overview and function control 5 3 Off 5 4 Fill system When the operating mode Off is activated all controller functions are switched off This can lead for example to overheating on the solar collector or other system components The measured temperatures continue to be shown to provide an overview This special operating mode is intended only fo...

Page 35: ...en the controller switches the associated pump and or valve on If the temperature at sen sor 3 drops below this value by 5 C then the pump and or the valve are switched off again Setting range from 0 C to 99 C default setting 20 C The necessary basic settings required for the control function are made in menu 5 Settings 6 1 Tmin S1 6 2 Tmin S2 6 3 Tmin S3 Enable start temperature at sensor 1 If th...

Page 36: ...ange from 0 C to 99 C default setting 60 C in hydraulic variants without S3 default Off Switch off temperature at sensor 4 If this value is exceeded at sensor 4 and the other conditions are also met then the controller switches the associated pump and or valve off If sensor 4 falls below this value again and the other conditions are also met then the controller switches the pump and or valve on ag...

Page 37: ... also met then the controller switches the pump and or the valve on When the temperature drops to ΔT Off then R2 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 Switch on Switch off temperature difference for relay R3 If this temperature difference between the reference sensors is exceeded and the other conditions are also met then the co...

Page 38: ... 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 Thermostat function at sensor 4 If the temperature at sensor 4 exceeds this value the c...

Page 39: ...ks the necessary temperature increase of the collector at which the interruption of the charging into the lower priority storage tank is extended by one minute is set here The interruption is extended because the temperature increase of the collector is expected to enable charging in the higher priority storage tank soon As soon as T conditions are met the priority storage tank is charged If the r...

Page 40: ...rence 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 The ESC key has to be pressed for 3 seconds During Energy saving mode Party function heats up to TecoS3 hysteresis instead of TsetS3 hysteresis Caution Caution 6 19 Energy saving mode Energy saving mod...

Page 41: ... S2 R1 S2 R1 S2 R1 S2 R1 S2 R2 S2 R1 S2 R1 S2 R1 S2 R1 S2 R1 Tmax S3 S3 R3 S3 R3 S3 R2 S3 R1 R2 Tmax S4 S4 R2 S4 R2 S4 R2 S4 R2 S4 R1 R2 S4 R2 S4 R1 R3 S4 R1 R3 S4 R2 R3 S4 R1 R2 R3 S4 R3 S4 R1 R2 R3 S4 R2 ΔT R1 S1 S2 R1 S1 S2 R1 S1 S2 R1 S1 S2 R1 S1 S2 R1 S1 S2 R1 S1 S2 R1 S1 S2 R1 S1 S5 S2 R1 S1 S2 S4 R1 R3 S1 S2 R1 S1 S2 R1 S1 S2 R1 S1 S2 R1 S1 S2 R1 S1 S2 R1 ΔT R2 S4 S5 R2 S4 S5 R2 S1 S4 R1 R2...

Page 42: ...ting range R1 daily weekly off default setting Off Setting range R2 daily weekly off default setting Off A two stage frost protection function can be activated In stage 1 the controller switch es the pump on for 1 minute every hour if the collector temperature drops below the set value Frost stage 1 If the collector temperature drops further to the set value Frost stage 2 the controller switches t...

Page 43: ...urer 7 4 Collector protection Collector protection prevents overheating of the collector The pump is switched on to transfer heat from the collector to the storage tank If CP Ton is exceeded at the collector sensor the pump is switched on until the tem perature reaches CP Toff or the temperature CP Tmax storage is exceeded in the storage or pool Collector protection settings range on off Default o...

Page 44: ...eded at the collector sensor when the solar pump is on a warning or error message is triggered A warning message is shown in the display Collector alarm settings range on off Default off Col alarm setting range 60 C to 300 C Default 150 C 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 provid...

Page 45: ...unction does not provide complete protection against Legionella because the controller is dependent on sufficient energy being fed in and it is not possible to monitor the temperatures in the entire range of the storage tanks and the connected piping system To provide complete protection against Legionella bacteria it must be ensured that the temperature is raised to the necessary temperature and ...

Page 46: ...sic items and expanded functions Themenuisclosedbypressing esc orselect ing Exit special functions Caution Other than the time all settings may only be made by a specialist Deviations in the temperature values displayed for example due to cables which are to long or sensors which are not positioned optimally can be compensated for manually here The settings can be made for each individual sensor i...

Page 47: ... a specialist during commissioning Observe the explanations for the the individual parameters in these instructions and check whether further settings are necessary for your application All of the settings that have been made can be reset thus returning the controller to its delivery state 8 4 Factory settings This menu can only be selected and used if additional options or expansions have been bu...

Page 48: ... system is not changed adjustments made in this menu are only used to calculate the heat volume and should be based on the actual system Resulting data is only approximate value for func tion control With some solar systems especially with vacuum tube collectors it may occur that the measurement value acquisition at the collector sensor occurs too slowly or too inaccurately because the sensor is o...

Page 49: ...e difference T between the reference sensors is below the set value then the speed is decreased by one stage after the control time elapses If the controller has adjusted the speed of the pump down to the smallest stage and the T between the reference sensors is T off the pump is switched off Variant V3 After the purging time the controller switches to the set min speed If the temperature at the r...

Page 50: ...pecified speed and the flow rate can be determined Setting range from 70 to 100 default setting 100 The minimum speed of the pump at relay R1 is specified here During the setting the pump runs at the specified speed and the flow rate can be determined Setting range from 30 to max speed 5 default setting 50 This value is the control setpoint for variant 3 If the value at the collector sensor drops ...

Page 51: ...able the menus again select Menu lock off Setting range on off default setting off Menu lock Menu 9 Menu lock can be used to secure the controller against unintentional changing of the set values Themenuisclosedbypressing esc orselect ing Exit menu lock 9 Menu lock 11 Language Menu 11 Language can be used to se lect the language for the menu guidance This is queried automatically during initial co...

Page 52: ...or remote diagnosis by a specialist or the manu facturer in the event of an error etc The menu can be closed at any time by press ing esc Service values 10 Service values Caution Enterthevaluesatthetimewhenthe error occurs e g in the table ...

Page 53: ...ective Means that either the sensor the sensor input at the controller or the connecting cable is was defective Resistance table see B 1 Collector alarm Means that the collector has fallen fell below the temperature set under menu 6 5 Night circulation Means that the solar pump is was in operation between 23 00 and 04 00 Exception see 6 6 Restart Means that the controller was restarted for exam pl...

Page 54: ...rking on the unit switch off the power supply and secure it against 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 specifications T2A 250V Z 2 Replacing the fuse Z 2 1 Z 3 Maintenance Caution In the course of the general annual maintenance of your heating system you should also have the functions of the contro...

Page 55: ...n see 9 at the time that the sus pected malfunction occurs Send the service value table by fax or e mail with a brief description of the error to the specialist or manufacturer In program 13 Solar with storage tank and pool the charging of the pool e g for winter operation can be switched off using a simple func tion To do this simply press and hold the esc key down for several seconds on the diag...

Page 56: ... incorrect or incomplete information cannot be excluded Subject as a basic principle to errors and technical changes Notes Hydraulic variant set Commissioned on Commissioned by Manufacturer SOREL GmbH Mikroelektronik Jahnstr 36 D 45549 Sprockhövel Tel 49 0 2339 6024 Fax 49 0 2339 6025 www sorel de info sorel de TDC5 5L 101581EnglishSOREL ...

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