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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 

on the pump and pump stage used, the minimum speed should 

not be set too low, because otherwise the pump or the system may 

Special functions   

menu 7

 

 

12

12

The following speed variants are available here:

Off: There is no speed control. The connected pump is only switched on 

or off with full speed.

Variant V1: After the purging time the controller switches to the set max. 

speed. If the temperature difference 

∆

T between the reference sensors 

(collector and storage tank) is less than the set value, then the speed is 

decreased by one stage after the control time elapses. If the temperature 

difference between the reference sensors is greater than the set value, 

then the speed is increased 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 still only 1/3 of the set 

value, then the pump is switched off.

Variant V2: After the purging time the controller switches to the set min. 

speed.  If the temperature difference 

∆

T between the reference sensors 

(collector and storage tank) is greater than the set value, then the speed 

is increased by one stage after the control time elapses. If the temperature 

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 still only 1/3 of the set value, 

then the pump is switched off.

Variant V3:  After the purging time the controller switches to the set min. 

speed.  If the temperature at the reference sensor (collector) is greater 

than the setpoint to be set subsequently, then the speed is increased by 

one stage after the control time expires. If the temperature at the reference 

sensor (collector) is less than the setpoint to be set subsequently, then the 

speed is decreased by one stage after the control time expires.

Setting range: V1,V2,V3, off/default setting: off

12.9.1 Variant  

menu 7.9.1

 

be damaged. The information provided by the relevant manufacturer must 

also be observed! If in doubt, the min. speed and the pump stage should 

generally be set to high rather than too low.

Caution

Содержание TDC 4

Страница 1: ...SOREL TDC 4 Temperature Difference Controller Temperature Difference Controller TDC 4 Installation and operating instructions Read carefully before installation commissioning and operation...

Страница 2: ...uage menu10 14 46 Malfunctions mainte nance 16 1 Error messages 16 2 Replacing the fuse 16 3 Maintenance 16 48 49 49 Installation 3 1 Wall installation 3 2 Electrical connection 3 3 Installing the sen...

Страница 3: ...ns the regula tions of the local power utility the applicable DIN EN standards and the installation and operating instruction of the additional system components must also be observed The controller d...

Страница 4: ...ginal spare parts and accessories Use of the device for other than its intended purpose Operation above or below the limit values listed in the specifications Force majeure Changes additions to or con...

Страница 5: ...o moisture condensation permitted Other specifications and dimensions Housing design 2 part ABS plastic Installation methods Wall installation optionally panel installation Overall dimensions 163mm x...

Страница 6: ...ng changes Resetting to previously selected values or factory settings A wide range of additional functions are available Description of controller 2 2 2 3 Scope of supply Temperature Difference Contr...

Страница 7: ...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 chec...

Страница 8: ...eing sure not to touch the elect ronics when doing so 4 Hold the lower part of the hou sing up to the selected position and mark the 3 mounting holes Make sure that the wall surface is as even as poss...

Страница 9: ...g 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 pumps...

Страница 10: ...anger Caution Mains side 230VAC Caution Mains voltages 230VAC 50 60Hz Connection in the right hand terminal compartment Terminal Connection for L Mains phase conductor L N Mains neutral conductor N R1...

Страница 11: ...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 For additional advice regarding the sen sors and the VFS see 3 3 Installating...

Страница 12: ...andard pumps minimum load 20VA Low voltage max 12VAC DC connec tion in the left hand terminal compart ment Terminal Connection for S1 Sensor 1 collector S2 Sensor 2 storage S3 Sensor 3 bypass flow S4...

Страница 13: ...n the left hand terminal compart ment Terminal Connection for S1 Sensor 1 collector S2 Sensor 2 storage S3 Sensor 3 heating circuit return S4 Sensor 4 flow S5 VFS return C yellow S6 VFS flow l min whi...

Страница 14: ...e to sensor 3 storage tank above Low voltage max 12VAC DC connec tion in the left hand terminal compart ment Terminal Connection for S1 Sensor 1 collector S2 Sensor 2 storage above S3 Sensor 3 storage...

Страница 15: ...revent 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 For additi...

Страница 16: ...ollector with flow through sensor 3 Low voltage max 12VAC DC connec tion in the left hand terminal compart ment Terminal Connection for S1 Sensor 1 collector S2 Sensor 2 storage above S3 Sensor 3 coll...

Страница 17: ...terminal compart ment Terminal Connection for S1 Sensor 1 collector S2 Sensor 2 storage above S3 Sensor 3 collector 2 S4 Sensor 4 flow S5 VFS return C yellow S6 VFS flow l min white VFS 5V DC brown ju...

Страница 18: ...l connection continued Installation 3 3 Low voltage max 12VAC DC connec tion in the left hand terminal compart ment Terminal Connection for S1 Sensor 1 collector S2 Sensor 2 storage 1 S3 Sensor 3 stor...

Страница 19: ...in the left hand terminal compart ment Terminal Connection for S1 Sensor 1 collector S2 Sensor 2 storage 1 S3 Sensor 3 storage 2 S4 Sensor 4 flow S5 VFS return C yellow S6 VFS flow l min white VFS 5V...

Страница 20: ...ini mum load 20VA Low voltage max 12VAC DC connec tion in the left hand terminal compart ment Terminal Connection for S1 Sensor 1 collector S2 Sensor 2 storage 1 S3 Sensor 3 storage 2 S4 Sensor 4 flow...

Страница 21: ...the left hand terminal compart ment Terminal Connection for S1 Sensor 1 collector S2 Sensor 2 pool S3 Sensor 3 flow primary S4 Sensor 4 flow secondary S5 VFS return C yellow S6 VFS flow l min white VF...

Страница 22: ...e on charge to sensor 3 swimming pool Low voltage max 12VAC DC connec tion in the left hand terminal compart ment Terminal Connection for S1 Sensor 1 collector S2 Sensor 2 storage 1 S3 Sensor 3 pool S...

Страница 23: ...ump to relay R2 Low voltage max 12VAC DC connec tion in the left hand terminal compart ment Terminal Connection for S1 Sensor 1 control S2 Sensor 2 reference S3 Sensor 3 thermostat S4 Sensor 4 flow he...

Страница 24: ...o relay R2 Installation 3 3 3 2 Electrical connection continued Low voltage max 12VAC DC connec tion in the left hand terminal compart ment Terminal Connection for S1 Sensor 1 control S2 Sensor 2 ref...

Страница 25: ...the PT1000 sensor should be inserted in an immersion sleeve mounted in the fluid The temperature sensor cables should be left inside the insulation for about 20 cm from the measuring point to prevent...

Страница 26: ...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...

Страница 27: ...there Current temperature values with explanations see 6 Function control of the system with operating hours etc see 7 Select graphics mode or overview mode see 8 Automatic mode manual mode or switch...

Страница 28: ...aptations are necessary see 11 Menu 7 Special functions if additional changes are necessary see 12 through the necessary basic settings in the correct order and provides brief descriptions of each par...

Страница 29: ...d of the measurement value then there may be a defective or incorrect temperature sensor Caution Measurement values menu 1 6 6 If the cables are too long or the sensors are not placed optimally the re...

Страница 30: ...menu 2 4 This provides a clearly organised display of the data listed under 7 1 7 3 as a bar graph Various time ranges are available for comparison The two left hand keys can be used to page through t...

Страница 31: ...by pressing esc or selecting Exit display mode 8 1 Graphics menu 3 1 In graphics mode the selected hydraulic systems are depicted with the mea sured temperatures and operating states of the connected...

Страница 32: ...tion control 9 2 Manual menu 4 2 9 3 Off menu 4 3 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...

Страница 33: ...itches the associated pump and or valve on If the temperature at sensor 1 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 set...

Страница 34: ...menu 5 x switch off temperature at sensor 3 If this value is exceeded at sensor 3 and the other conditions are also met then the controller switches the associated pump and or valve off If sensor 3 f...

Страница 35: ...has risen to Tsetpoint S3 plus the hysteresis If the temperature at sensor 3 exceeds this value and a negative value is set under Hysteresis then relay R2 switches on as a heat dissipation function Th...

Страница 36: ...t will soon enable charging in the higher priority storage tank If the conditions for charging the higher priority storage tank or for continued interruption are not met then the charging of the lower...

Страница 37: ...S1 S2 R1 S1 S2 R1 T R2 S2 S3 R2 S3 S2 R2 S1 S3 R2 S2 S3 R2 S2 S3 R2 Tsetpoint S3 S3 R2 S3 R2 hysteresis S3 R2 S3 R2 Priority S2 o S3 R1 R2 S2 o S3 R1 R2 S2 o S3 R1 R2 S2 o S3 R1 R2 T Priority S2 o S3...

Страница 38: ...e R2 daily weekly off default setting daily 11 2 Frost protection menus 6 2 6 2 1 6 2 2 A two stage frost protection function can be activated In stage 1 the controller switches the pump on for 1 minu...

Страница 39: ...red The red light flashes and the corresponding warning appears in the display Col alarm setting range Off 60 C to 300 C default setting Off SPF variant V1 If the value SPF T on is exceeded at the col...

Страница 40: ...ed off at delivery This function is only relevant for storage tanks where sensor 2 is installed Whenever heating up has been carried out with the anti Legionella function switched on an information me...

Страница 41: ...tion can lead to unpredictable errors For analysis of the system data it is essential for the time to be set accurately on the controller Please note that the clock does not continue to run if the mai...

Страница 42: ...ressing the esc key takes you back to the previous value so you can look at the selected setting again or adjust it if desired Pressing the esc more than once takes you back to the selection mode thus...

Страница 43: ...asurement values In particular follow the instructions from the collector manufacturer Special functions menu 7 12 12 12 7 Heat quantity menus 7 7 7 7 1 7 7 5 In this menu the type and percentage of t...

Страница 44: ...e pump is switched off Variant V2 After the purging time the controller switches to the set min speed If the temperature difference T between the reference sensors collector and storage tank is greate...

Страница 45: ...ed menu 7 9 5 12 9 6 Setpoint menu 7 9 6 The maximum 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...

Страница 46: ...neces sary 1 Measurement values 2 Analysis 3 Display mode 7 2 Time date 8 Menu lock 9 Service values To lock the other menus select Menu lock on To enable the menus again select Menu lock off Setting...

Страница 47: ...he menu 9 Service values can be used for remote diagnosis by a specialist or the manufacturer in the event of an error etc Caution Enter the values at the time when the error occurs e g in the table T...

Страница 48: ...alist Means that either the sensor the sensor input at the controller or the connecting cable is was defective Resistance table on page 5 Means that the collector has fallen fell below the temperature...

Страница 49: ...re working on the unit switch off the power supply and secure it against being switched on again Check for the absence of power Danger Danger Only use the supplied spare fuse or a fuse of the same des...

Страница 50: ...l method for remote diagnosis Write the service values down see 15 at the time that the suspected malfunction occurs Send the service value table by fax or e mail with a brief description of the error...

Страница 51: ...ump is active In the universal programs 14 15 the times refer to relay R1 To protect against loss of data record any analyses and data that are particularly important to you see 7 at regular intervals...

Страница 52: ...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 Notes SOREL GmbH Mikroel...

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