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Installation and operating instructions EN

1. EN 9 Data logger An SD card enables you to save all the measurement data collected by the controller over a long period of time The data logger enables detailed system control e g chronological sequence of yields In addi tion you can use the stored measurements to optimise the settings of the solar energy system and thus achieve the highest possible efficiency of the system Insert SD card with the con 9 1 Handling the SD card apes All standard SD cards can be used including 2 GB The SD cards must be formatted with the FAT16 format and there should be no existing data on the SD card To insert an SD card in your controller push the SD card with the con tact surface at the front into the side slot of the controller until the card engages To remove the card press it slightly inwards until it is released and pushed out by spring action The card can now be taken out Before you take the card out make sure that the data logger function is switched off see chapter 7 3 17 This will prevent any possible loss of data A pn NOTE SD cards are very sensitive Ensure that you do not soil the contacts and that no pressure is applied to the card Observe the instructions of the card manufacturer The controller manufacturer accepts no responsibility for claims for damages resulting from defective or lost data 9 2 Display screen The controller can recognise the different statuses of
2. 3 Setting the automatic summer time Display for automatic summer time change over appears NOTE The controller can also be operated without activating the automatic summer time change over gt gt SET press button gt automatic summer time change over is activated ESC finish the settings gt The display for setting the system group appears Display 6 1 Deutsch 17 10 31 01 2008 Display 1 1 16 727 775 08 10 Automatic x summer time change over for EU EN Display 2 1 Storage tank Display 2 1 1 5 4 Setting the system group NOTE For an overview of systems see chapter 7 2 Systems vV The first system group 1 storage tank system appears in the display gt AV select a system group gt SET confirm the system group gt The display for setting the system appears 5 5 Setting the system The first system in the selected system group appears in the display gt AV selecting a system gt SET confirm the system gt In the display a small checkmark appears below the item number which confirms that the system is selected gt ESC exit the settings menu gt The commissioning is finished EN 6 Modes of operation 6 1 OFF mode gt In order to switch off the outputs slide the operating switch down gt A new window appears in the display which shows OFF as well as the controller soft
3. NOTE e If other solar circuit pumps e g east west roof system are con nected to the controller the flow rate for these pumps must be determined and entered as described here e Ifthe minimum pump speed in the Parameters menu or the pump level at the pump is changed at a later point in time the flow rate must be determined and set once more for more precise calculation of the heat quantity e Ifthe collector is in a stagnant state pump starts are blocked in order to prevent damage A corresponding information window is displayed Display 3 7 Thermostat Display 3 7 3 on off O l Kiri Om Display 3 7 4 4 Time controlled O 00 00 00 00 00 00 00 00 O p amp 00 00 00 00 Display 3 7 4 1 EN 7 3 8 Thermostat function This function allows a controller output to be controlled depending on a pre defined temperature range Depending on the temperature setting the thermostat function can be activated either when the temperature falls below heating or rises above cooling a certain level If on value is higher than off value if the temperature exceeds the defined on value the output is switched on until the temperature falls below the off value If on value is lower than off value if the temperature falls below the defined on value the output is switched on until the temperature rises above the off value It is also possible to
4. gt SET press button gt Temperature control is activated gt V press button gt The display for setting the temperature input and the on and off values appears gt SET press button gt T flashes in the display circulation pipe temperature input gt AV choose the desired input gt SET press button to confirm gt The on value flashes after confirmation of the temperature sensor gt AV set the on value gt SET press button to confirm gt The off value flashes after confirmation of the on value gt AV set the off value gt SET press button to confirm and close gt The settings are saved Activating pulse control VZ Functions submenu selected see Selecting a function see chapter 7 3 1 vZ Circulation activated see Activating a function see chapter 7 3 1 Y Outputs selected see Selecting an output see chapter 7 3 1 gt V press button gt The Pulse controlled display appears gt SET press button Pulse control is activated gt V press button gt The display for setting the pulse input circulation time and wait time appears gt SET press button gt Pulse input flashes gt AV choose the desired input gt SET press button to confirm gt The circulation duration flashes after confirmation of the input gt AV set the circulation duration gt SET press button to confirm gt The wait time flashes after confirmation of the circulatio
5. gt Screw the case firmly using the lower fastening holes and gt Mount the upper case I i oJ 4 o o SB ee E E C4 ae p amm Q amm AY a OQ ZL i F 148 I S 164 _ 4 3 Electrical connection A DANGER Risk of death by electrocution gt Remove the controller from the power supply before opening the case gt Observe all applicable legal guidelines and regulations of the local electricity supplier NOTE The device is to be connected to the mains by means of a plug with grounding contact or in the case of a fixed electrical installation via a disconnection device for complete disconnection in accordance with the installation guidelines 4 3 1 Preparing the cable feed Depending on how the controller is mounted the cables may enter the device through the rear of the case or the lower side of the case AAC i M Si 0 oJ Feeding the cable through the rear of the case gt Remove the plastic flaps from the rear side of the case using an appr
6. 1 storage tank with external heat exchanger heating return increase System 5 1 collector array 1 storage tank with zone loading System 6 1 collector array 1 storage tank with zone loading heating return increase System 7 1 collector array 1 storage tank with zone loading and external heat exchanger System 8 2 collector arrays east west roof 1 storage tank System 9 2 collector arrays east west roof 1 storage tank heating return increase System 10 2 collector arrays east west roof 1 storage tank with external heat exchanger System 11 2 collector arrays east west roof 1 storage tank with zone loading Systems with two storage tanks System 12 1 collector array 2 storage tanks intelligent pump 7 2 2 control System 13 1 collector array 2 storage tanks heating return increase intelligent pump control System 14 1 collector array 2 storage tanks intelligent valve control System 15 1 collector array 2 storage tanks heating return increase intelligent valve control System 16 1 collector array 1 storage tank 1 storage tank with external heat exchanger intelligent pump control System 17 1 collector array 1 storage tank 1 storage tank with external heat exchanger intelligent valve control System 18 1 collector array 2 storage tanks with external heat exchanger
7. intelligent pump control System 19 1 collector array 2 storage tanks with external heat exchanger intelligent valve control System 20 2 collector arrays east west roof 2 storage tanks 22 System group 40 systems Chapter Systems with three System 21 1 collector array 3 storage tanks intelligent pump 7 2 3 storage tanks control System 22 1 collector array 3 storage tanks intelligent valve control Systems with a System 23 1 collector array 1 swimming pool 7 2 4 swimming pool System 24 1 collector array 1 swimming pool with external heat exchanger System 25 1 collector array 1 swimming pool in stand alone operation with external heat exchanger System 26 2 collector arrays east west roof 1 swimming pool System 27 2 collector arrays east west roof 1 swimming pool with external heat exchanger System 28 2 collector arrays east west roof 1 swimming pool in stand alone operation with external heat exchanger Systems with one storage tank anda swimming pool System 29 1 collector array 1 storage tank 1 swimming pool with external heat exchanger intelligent pump control System 30 1 collector array 1 storage tank 1 swimming pool with external heat exchanger intelligent valve control System 31 1 collector array 1 storage tank 1 swimming pool in sta
8. T2 Loading strategy of solar circuit pump R1 in the factory target tem perature control is chosen as the loading strategy for the storage tank B1 It can be adjusted or changed using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout EN System 6 1 collector array 1 storage tank with zone p loading heating return increase Description of the solar function the solar circuit pump R1 is switched on as soon as the switch on temperature difference between the col lector array A1 T1 and the storage tank B1 T2 is reached When the Display 2 1 6 switch off temperature difference between the collector array A1 T1 and the storage tank B1 T2 or a safety limit is reached the solar circuit pump R1 is switched off again Description of the zone loading the zone loading valve R2 is switched on loading of the upper storage tank zone as soon as the temperature difference between the collector array A1 T1 and the upper loading zone T3 has reached the switch on temperature difference When the switch off temperature difference or a safety limit is reached or the solar circuit pump R1 is switched off the zone loading valve R2 switches off Description of the heating return increase the 3 way valve R3 in the heating return is switched on water flows through st
9. Version XX System No X 1 C lt lt Automatic lt lt Manual lt lt Display 1 Time date 17 10 31 01 2008 Display 1 1 Automatic x 3 xl summer time change over for EU EN 7 Settings Menu overview see following double page 7 1 Time date The time and date can be displayed and adjusted via the Time Date menu item The automatic summer time change over can still be acti vated or deactivated 7 1 1 Setting the time and date gt SET press button for approx 2 sec gt The Time menu item is displayed gt SET press button gt The current time is displayed gt SET press button to confirm gt The hours display flashes after confirmation of the time gt AV set the hours gt SET press button to confirm gt The minutes display flashes after confirmation of the hours gt AV set the minutes gt SET press button to confirm gt The year display flashes after confirmation of the minutes gt AV set the year gt SET press button to confirm gt The month display flashes after confirmation of the year gt AV set the month gt SET press button to confirm gt The day display flashes after confirmation of the month gt AV set the day gt SET confirm the time and date 7 1 2 Activating the automatic summer time change over gt AV press button gt The display for Automatic summer time c
10. according to the priority control chapter 7 5 Storage tank priority until either the relevant switch off temperature difference between the collector array A1 T1 and storage tanks B1 B2 T2 T3 is reached or a safety limit is reached Display 2 2 5 The storage tank loading pump R1 is switched on as soon as the switch on temperature difference between the external heat exchanger F1 T4 and the storage tank B2 T3 is reached The storage tank is loaded until the switch off temperature difference between the external heat exchanger F1 T4 and the storage tank B2 T3 is reached or until a safety limit is reached Loading strategy of solar circuit pump R1 in the factory target tem perature control is chosen as the loading strategy for the storage tank B2 It can be adjusted or changed using the Parameters menu chapter 7 4 Parameters Loading strategy of solar circuit pump R2 in the factory temperature differential control is chosen as the loading strategy for the storage tank B1 It can be adjusted or changed to target temperature control using the Parameters menu chapter 7 4 Parameters Loading strategy of solar circuit pump R3 it is not possible to select whether temperature differential control or target temperature control is to be used as the loading strategy Solar circuit pump R3 operates according to the switch on and switch off temperature difference parameter values Activating the system see
11. min 9999 days see cha pter 9 2 Help gt SET eT If the free SD card memory is not suf If you want to save the data remove lt gt ficient for further measurement data the SD card as described in chapter ania storage then the controller automati 9 1 and save the data on a compu eee cally switches to ring buffer operation ter This means the respective oldest month folder will be deleted together with its content 13 Plausibility indices The internal plausibility check ascertains whether conflicting settings have been detected in the controller In this event an information window displays an error code The reasons which cause the information window to appear along with each corresponding error code are described in the following table Check your settings at the controller and correct them if necessary Maximum temperature storage tank 1 switch on temperature difference 1 gt maximum collector temperature Maximum pool temperature switch on temperature difference 2 gt maximum collector temperature P1 P2 P3 Maximum temperature storage tank 3 switch on temperature difference 3 gt maxi mum collector temperature Maximum pool temperature switch on temperature difference 3 gt maximum collector temperature Maximum temperature storage tank 1 switch on temperature difference 2 gt maxi mum collector temperature system with 2 collector arrays system with 2 collector array
12. 3 D1 wire bridge R1 solar circuit pump 1 R2 solar circuit pump 2 R3 solar circuit pump 3 T1 collector sensor T2 sensor at bottom of storage tank 1 T3 sensor at bottom of storage tank 2 T4 sensor at bottom of storage tank 3 EN 7 2 3 Systems with three storage tanks System 21 1 collector array 3 storage tanks intelligent pump control Description of the solar function when the switch on temperature difference between the collector array A1 T1 and one of the three stor age tanks B1 B2 B3 T2 T3 T4 is reached the appropriate solar circuit pump R1 R2 or R3 is switched on All three storage tanks B1 B2 B3 are loaded one after the other according to the priority control chapter 7 5 Storage tank priority until either the relevant switch off temperature difference between the collector array A1 T1 and storage tanks B1 B2 B3 T2 T3 T4 is reached or a safety limit is reached Loading strategy of solar circuit pumps R1 and R2 in the factory temperature differential control is chosen as the loading strategy for the storage tanks B1 B2 It can be adjusted or changed to target tempera ture control using the Parameters menu chapter 7 4 Parameters Loading strategy of solar circuit pump R3 it is not possible to select whether temperature differential control or target temperature control is to be used as the loading strategy Solar circuit pump R3 operates according to the switch on and sw
13. 3 10 2 Interval Test Display 3 11 Stagnation reduction EN gt SET press button to confirm gt The settings are saved NOTE The switch on time must always be before the switch off time There fore when the switch on value is being adjusted the switch off value will also be changed to a later time if necessary Adjusting the switch off value to a time before the switch on value is blocked 7 3 12 Stagnation reduction function This function delays the end of the storage tank s loading phase in order to reduce or even to avoid the system s stagnation times at high temperatures This causes the pump to be stopped repeatedly and only briefly switched on again when high collector temperatures arise With higher collector temperatures the efficiency decreases significantly thus loading takes longer This delays the beginning of any stagnation time Stagnation reduction can only be activated or deactivated NOTE It is possible that this causes the storage tank to be loaded with a higher solar temperature However the set maximum storage tank temperature always has priority This continues to be observed as do other safety limits Activating the stagnation reduction function VZ Functions submenu selected see Selecting a function see chapter 7 3 1 Y Stagnation reduction activated see Activating a function see chapter 7 3 1 EN 7 3 13 Holiday recooling function If the user
14. N L N RTN R2 N ne ne R3 rp 29 9 Ep C39 System 24 1 collector array 1 swimming pool b with external heat exchanger Description of the solar function the solar circuit pump R1 is switched on as soon as the switch on temperature difference between the collec tor array A1 T1 and the swimming pool C1 T2 is reached When the switch off temperature difference or a safety limit is reached the solar circuit pump R1 switches off The swimming pool pump R3 is switched on as soon as the temperature difference between the external heat exchanger F1 T3 and the swimming pool C1 T2 reaches the switch on temperature difference When the switch off temperature difference between the external heat exchanger F1 T3 and the swimming pool C1 T2 or a safety limit is reached the swimming pool pump R3 switches off Loading strategy of solar circuit pump R1 in the factory the load ing strategy of solar circuit pump R1 is set to temperature differential control This cannot be altered Display 2 4 2 Loading strategy of swimming pool pump R3 it is not possible to select whether temperature differential control or target temperature control is to be used as the loading strategy Swimming pool pump R3 operates according to the switch on and switch off temperature differ ence parameter values Activating the syst
15. T2 collector sensor 2 T3 swimming pool sensor n c n c R3 nd acd X 4 System 27 2 collector arrays east west roof Display 2 4 5 A1 collector array 1 A2 collector array 2 C1 swimming pool D1 wire bridge F1 external heat exchanger R1 solar circuit pump 1 R2 solar circuit pump 2 R3 swimming pool pump T1 collector sensor 1 T2 collector sensor 2 T3 swimming pool sensor T4 external heat exchanger sensor 1 swimming pool with external heat exchanger Description of the solar function when the switch on temperature difference between the swimming pool C1 T3 and one or the other of the collector arrays A1 A2 T1 T2 is reached then either solar circuit pump R1 for collector array A1 T1 or solar circuit pump R2 for collector array A2 T2 is switched on depending on where the temperature dif ference occurs When the switch on temperature difference is reached for both collector arrays A1 A2 T1 T2 then both pumps R1 R2 are switched on When the switch off temperature difference between the collector array A1 A2 T1 T2 and the swimming pool C1 T3 or a safety limit is reached the solar circuit pumps R1 R2 are switched off again The swimming pool pump R3 is switched on as soon as the switch on temperature difference between the external heat exchanger F1 T4 and the swimming poo
16. bottom of storage tank 2 heating return increase storage tank sensor heating return sensor return increase intelligent pump control Description of the solar function when the switch on temperature difference between the collector array A1 T1 and one of the two stor age tanks B1 B2 T2 T3 is reached the appropriate solar circuit pump R1 or R2 is switched on Both storage tanks B1 B2 are loaded one after the other according to the priority control chapter 7 5 Storage tank priority until either the relevant switch off temperature difference between the collector array A1 T1 and storage tanks B1 B2 T2 T3 is reached or a safety limit is reached Description of the heating return increase the 3 way valve R3 in the heating return is switched on water flows through storage tank as soon as the switch on temperature difference between the storage tank B2 T4 and the heating return T5 is reached When the switch off tem perature difference T4 T5 is reached the 3 way valve R3 returns to its initial state Water does not flow through the storage tank NOTE When no voltage is on the system the switching valve R3 must be set in such a manner that water does not flow through the storage tank Loading strategy of solar circuit pumps R1 and R2 in the factory temperature differential control is chosen as the loading strategy for the storage tanks B1 B2 It can be adjusted or changed to target tempera ture contr
17. chapter 7 2 Selecting a system Terminal layout 213 4 5 6 A1 collector array B1 storage tank 1 ie lete B2 storage tank 2 iR ie D1 wire bridge Poti F1 external heat exchanger R1 storage tank loading pump R2 solar circuit pump 1 R3 solar circuit pump 2 T1 collector sensor T2 sensor at bottom of storage tank 1 sensor at bottom of storage tank 2 T4 external heat exchanger sensor T Ww 4 System 17 1 collector array 1 storage tank Display 2 2 6 collector array storage tank 1 storage tank 2 wire bridge external heat exchanger storage tank loading pump solar circuit pump switching valve collector sensor sensor at bottom of storage tank 1 sensor at bottom of storage tank 2 external heat exchanger sensor 1 storage tank with external heat exchanger intelligent valve control Description of the solar function when the switch on temperature dif ference between the collector array A1 T1 and one of the two storage tanks B1 B2 T2 T3 is exceeded the solar circuit pump R2 is switched on and the switching valve R3 is set to the correct position depending on the storage tank to be loaded Both storage tanks B1 B2 are loaded one after the other according to the priority control chapter 7 5 Storage tank priority until either the relevant switch
18. flashes in the display storage tank s maximum tempera ture value gt AV set the max value gt SET press button to confirm gt min flashes in the display solid fuel boilers minimum tempera ture value gt AV set the min value gt SET press button to confirm gt The settings are saved 66 727 775 08 10 Display 3 3 Solid fuel boiler Display 3 3 3 on off Display 3 3 4 EN 7 3 5 Quick charge function This function attempts to load the upper part of the storage tank more quickly by means of a higher loading temperature in order to prevent conventional boiler back up heating as early as possible Display 3 4 Quick charge When the temperature in the upper part of the storage tank falls below the on value the loading strategy of storage tank 1 switches from differential loading to target temperature loading The controller s RPM control is then used with the objective of loading the storage tank at a higher temperature level Setting the input for the upper part of the storage tank and switch on switch off temperatures VZ Functions submenu selected see Selecting a function see chapter 7 3 1 Y Quick charge activated see Activating a function see chapter 7 3 1 gt V press button The display for setting the temperature input and the on and off values appears gt SET press button gt T flashes in the display upper sto
19. layout A1 collector array B1 storage tank 1 B2 storage tank 2 B3 storage tank 3 D1 wire bridge R1 solar circuit pump R2 switching valve 1 R3 switching valve 2 T1 collector sensor T2 sensor at bottom of storage tank 1 T3 sensor at bottom of storage tank 2 T4 sensor at bottom of storage tank 3 Display 2 4 Swimming pool Display 2 4 1 A1 collector array C1 swimming pool D1 wire bridge R3 solar circuit pump T1 collector sensor T2 swimming pool sensor EN 7 2 4 Systems with a swimming pool System 23 1 collector array 1 swimming pool Description of the solar function the solar circuit pump R3 is switched on as soon as the switch on temperature difference between the collec tor array A1 T1 and the swimming pool C1 T2 is reached When the switch off temperature difference between the collector array A1 T1 and the swimming pool C1 T2 or a safety limit is reached the solar circuit pump R3 is switched off again Loading strategy of solar circuit pump R3 it is not possible to select whether temperature differential control or target temperature control is to be used as the loading strategy Solar circuit pump R3 operates according to the switch on and switch off temperature difference parameter values Activating the system see chapter 7 2 Selecting a system Terminal layout
20. limit the thermostat function to specific times Defining the input and temperature values Functions submenu selected see Selecting a function see chapter 7 3 1 Y Thermostat activated see Activating a function see chapter 7 3 1 Y Outputs selected see Selecting an output see chapter 7 3 1 gt V press button gt The display for setting the temperature input and the on and off values appears gt SET press button gt T flashes in the display temperature input gt AV choose the desired input gt SET confirm the input gt The on value flashes in the display gt AV set the on value gt SET press button to confirm gt The off value flashes after confirmation of the on value gt AV set the off value gt SET press button to confirm gt The settings are saved NOTE The on and off values must not be equal as otherwise the thermostat remains inactive Activating time control gt V press button gt The Time controlled display appears gt SET press button gt Time control is activated gt V press button The display for setting the duration appears gt SET press button gt The time value flashes gt AV set the time value gt SET confirm the value and go to the next value gt The settings are saved 727 775 08 10 71 EN NOTE The switch on time must always be before the switch off time There fore when the switch on valu
21. maximum temperature loading circuit 2 P 28 Switch on temperature difference external heat exchanger maximum temperature storage tank 1 gt maximum temperature loading circuit 1 Switch on temperature difference external heat exchanger maximum temperature stor age tank 2 gt maximum temperature loading circuit 1 Switch on temperature difference external heat exchanger maximum temperature stor age tank 2 gt maximum temperature loading circuit 2 Temperature differential control storage tank 1 lt switch off temperature difference external heat exchanger Temperature differential control storage tank 2 lt switch off temperature difference external heat exchanger Quick charge OFF gt target temperature control storage tank 1 Quick charge ON and RPM control OFF Circulation ON and no time control and temperature control and pulse control Holiday function and anti legionella function are both activated Holiday function target temperature gt maximum storage tank temperature 14 Legal guarantee In accordance with German statutory regulations there is a 2 year legal guarantee on this product for the customer The seller will remove all manufacturing and material faults that occur in the product during the guarantee period and affect the correct functioning of the product Natural wear and tear does not constitute a malfunction No legal guarantee can be offered if the fault can be attributed to third
22. parties unprofessional installation or commissioning incorrect or negligent handling improper transport excessive loading use of improper equipment faulty construction work unsuitable construction location or improper operation or use Legal guarantee claims shall only be accepted if notification of the fault is provided immediately after it is discovered Guarantee claims are to be directed to the seller The seller must be informed before guarantee claims are processed For processing a guarantee claim an exact fault description and the invoice delivery note must be provided The seller can choose to fulfil the legal guarantee either by repair or replacement If the product can neither be repaired nor replaced or if this does not occur within a suitable period in spite of the specification of an extension period in writing by the customer the reduction in value caused by the fault shall be replaced or if this is not sufficient taking the interests of the end customer into consideration the contract is cancelled Any further claims against the seller based on this legal guarantee obligation in particular claims for dam ages due to lost profit loss of use or indirect damages are excluded unless liability is obligatory by law EN 15 Technical data Temperature difference controller Rated voltage system voltage 230 VAC 50 Hz optional 115 VAC 60 Hz Inputs 6 T1 T5 temperature recording Pt1000 T6 temperature
23. tank loading pump R2 solar circuit pump R3 zone loading switching valve T1 collector sensor T2 sensor at bottom of storage tank T3 storage tank zone loading sensor T4 external heat exchanger sensor loading and external heat exchanger Description of the solar function the solar circuit pump R2 is switched on as soon as the switch on temperature difference between the col lector array A1 T1 and the storage tank B1 T2 is reached When the switch off temperature difference or a safety limit is reached the solar circuit pump R2 switches off The storage tank loading pump R1 is switched on as soon as the switch on temperature difference between the external heat exchanger F1 T4 and the storage tank B1 T2 is reached The storage tank is loaded until the switch off temperature difference between the external heat exchanger F1 T4 and the storage tank B1 T2 is reached or until a safety limit is reached Description of the zone loading the zone loading valve R3 is switched on loading of the upper storage tank zone as soon as the temperature difference between the external heat exchanger F1 T4 and the upper loading zone T3 has reached the switch on temperature difference When the switch off temperature difference or a safety limit is reached or the storage tank loading pump R1 is switched off the zone loading valve R3 switches off NOTE When no voltage is on the system the switching valve R3 must be set t
24. the SD card An hourglass symbol shows that the controller is accessing the SD card and calculating the remaining days During this time keypad entries are not possible and the display is not updated During this time the outputs remain at the status they were before the controller accessed the SD card 4 The hourglass symbol is displayed after the following actions FR x e Inserting an SD card e Changing the interval time for data collection e Changing the date e Switching on the controller e Resetting the operating switch from OFF to Automatic after formatting e Switching on the data logger function e Changing the clock from 23 59 to 00 00 If an SD card is inserted in the controller the Data logger function is activated and no SD card error has occurred a window appears in the status display in which the data transfer from the controller to the SD card is displayed This is illustrated by an animation A help window can EN be accessed by pressing the SET button Here it is pointed out that the data logger function should be switched off before the removal of the SD card in order to exclude the possible loss of data The help window is closed again by pressing any button For calculating the remaining days it is assumed that all selectable data will be collected Examples for calculating the remaining days Interval time 1 minute memory capacity 1 GB approx 13 years Interval time 1 minute memory ca
25. values e Outputs and corresponding running times e Functions and their additional measured values gt The additionally set functions are displayed 8 2 Temperature sensor min max display Display of the min max values gt AV choose the desired temperature sensor gt SET access the information window gt The min max values are displayed Resetting the min max values gt SET press button for 2 sec gt The min max values are reset to the current temperature NOTE The minimum and maximum values of the connected temperature sen sors are always logged and accessible The values stored can be reset at any time 8 3 Operating hours display for pumps and switching valves Display of the operating hours gt AV choose the desired pump or valve gt SET access the information window gt The hours of operation logger is displayed Resetting the operating hours Y Operating hours called up gt SET press button for approx 2 sec gt The delta value A is reset to zero The outputs operating hours are always stored Here a distinction is made between total operating hours gt and delta operating hours A The total operating hours cannot be reset How ever delta operating hours can be reset to zero at any time 86 727 775 08 10 gt Oh Display example max 0c min 0C TE ea ec Gai ii seas example o Oh 2 sec Gay gt li Display example
26. with it 3 3 Description of symbols 3 3 1 The structure of the warning notices A SIGNAL WORD Type source and consequences of the danger gt Measures for avoiding danger 3 3 2 Danger levels in warning notices PEW GAGY Likelihood of occurrence Consequences resulting from non compliance A Imminent threat of danger Death serious bodily injury DANGER A Possible threat of danger _ Death serious bodily injury WARNING A Possible threat of danger Minor bodily injury CAUTION CAUTION Possible threat of danger Property damage 3 3 3 Note NOTE Note on easier and safer working habits gt Measures for easier and safer working habits 3 3 4 Other symbols and markings Symbol Meaning CE action s Result of action C e Emphasis on Emphasis on issue at hand issue at hand AVY o o Press Arrow up down for scrolling Press Arrow down for scrolling through the menu or to adjust a value Press Arrow up for scrolling through the menu or to adjust a value SET Press SET button to confirm or activate a value ESC O Press ESC button to cancel A Installation 4 1 Opening closing the housing Z DANGER Risk of death by electrocution gt Remove the controller from the power supply before opening the case gt Make sure that the power supply cannot be unintentionally switched back on gt Do not damage the case gt Only switch the power supp
27. 1 T2 then both pumps R1 R2 are switched on The pumps switch off independently of each other when either the relevant switch off temperature between one of the collector arrays A1 A2 T1 T2 and the swimming pool C1 T3 or a safety limit is reached The swimming pool pump is controlled externally Display 2 4 6 Loading strategy of solar circuit pumps R1 and R2 in the factory the loading strategies are set to temperature differential control These cannot be altered Activating the system see chapter 7 2 Selecting a system Terminal layout 516 A1 collector array 1 A2 collector array 2 C1 swimming pool D1 wire bridge F1 external heat exchanger R1 solar circuit pump 1 R2 solar circuit pump 2 T1 collector sensor 1 T2 collector sensor 2 T3 swimming pool sensor Display 2 5 Storage tank swimming pool Display 2 5 1 A1 collector array B1 storage tank C1 swimming pool D1 wire bridge F1 external heat exchanger R1 solar circuit pump 1 R2 solar circuit pump 2 R3 swimming pool pump T1 collector sensor T2 sensor at bottom of storage tank T3 swimming pool sensor T4 external heat exchanger sensor EN 7 2 5 Systems with one storage tank and a swimming pool System 29 1 collector array 1 storage tank 1 swimming pool with external heat exchanger intelligent
28. 18 csv w a lt Le 5008 a n 20080101 csv 20080131 csv oD 20080201 csv 20080229 csv Explanation of the column arrangement if a day file is opened with a spreadsheet programme e g Excel 1 column date and time 2 7 column temperature sensor measurements T1 to T6 in C 8 column temperature of the Direct Sensor Tds in C 9 column flow rate of the volumetric flow meter V in l min 10 column output of the measurement of heat quantities P in W 11 13 column operating status of the outputs R1 to R3 in 14 column operating status of the alarm output R in NOTE Information on further programmes for data evaluation can be obtained from your dealer 10 Service Updating the controller software The controller is programmed in the factory with the latest controller software at the time of production Therefore the software does not usually have to be updated However if you would like to use newer controller software or if an update is recommended for technical reasons you can transfer new controller software to the controller via the RS232 interface Further information in this regard can be obtained from your dealer 11 Fault finding The controller is a quality product conceived for years of continuous trouble free operation If a problem occurs the cause of the problem often lies not in the controller but in the peripheral components The fol lowing description of some causes o
29. A1 A2 T1 T2 and the storage tank B1 T3 or a safety limit is reached the solar circuit pumps R1 R2 are switched off again Description of the zone loading the zone loading valve R3 is switched on loading of the upper storage tank zone as soon as the temperature difference between the collector array A1 A2 T1 T2 and the upper loading zone T4 has reached the switch on temperature difference When the switch off temperature difference or a safety limit is reached or the solar circuit pump R1 R2 is switched off the zone loading valve R3 switches off NOTE When no voltage is on the system the switching valve R3 must be set to the lower loading zone T3 Loading strategy of solar circuit pumps R1 and R2 in the factory target temperature control is chosen as the loading strategy for the stor age tank B1 It can be adjusted or changed using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout EN 7 2 2 System with two storage tanks System 12 1 collector array 2 storage tanks intelligent pump control L Description of the solar function when the switch on temperature Display 2 2 difference between the collector array A1 T1 and one of the two stor Storage tank age tanks B1 B2 T2 T3 is reached the appropriate solar circuit pump R1 or R2 is swi
30. R3 4 5 4 RS232 and RS485 interface alarm output and Direct Sensor input RS485 interface AO Od Kd Wag RS232 interface D Sub 9 pin socket ae solder side mo ese jee eses alee eeee NC A Alarm output see chapter 15 fy Ay A O T C Direct Sensor L a observe the manufacturer s specifications AE s EN 5 vvsn ul vvv vv 5 Vv Commissioning Make sure that the installation is finished completely and correctly and that the switch on the controller is set to OFF gt The display for setting the language appears 1 Setting the language Deutsch flashes in the display AV select a language SET confirm the language ESC finish the settings gt The display for setting the time appears a2 Setting the time and date 12 00 flashes in the display AV set the hours SET confirm the hours gt The minutes display flashes AV set the minutes SET confirm the minutes gt The year flashes AV set the year SET confirm the year gt The month flashes AV set the month SET confirm the month gt The day flashes AV set the day SET confirm the day ESC finish the settings gt Display for activating the automatic summer time change over appears
31. SOLARTHERMIE SOLAR THERMAL SOLAR TERMICO SOLAIRE THERMIQUE SOLARE TERMICO Installation and operating instructions Temperature difference controller 6 inputs 3 outputs integrated data logger for SD card These operating instructions are part of the product gt Read these operating instructions carefully before use gt keep them over the entire lifetime of the product gt and pass them on to any future owner or user of this product Content 1 BN EY aca sied eria E ar EAN r ciere 4 MD Proper usage issaraen eao e cece cantare eee 4 1 2 Dangers during assembly and commissioning 00 4 1 3 Detecting TAUNTS paca tacsitancsn sa ssSciwnsdiciazansndvomandeicnontsonacebabutoemamatd 5 1 4 Hot water temperature cg cai ics ascay eessruscaehesescuawapiceddacusetecaddaas 5 W5 Disposal anette ger re yer er rey nee eee ere een ac errno eee Pere 5 1 6 ERMISEOR of liabilityess anien a 5 2 Case VU aad sca ea shad snes ees etna 6 3 About this manuals ascese 7 3 1 Applicability sicci eed 7 32 MS aoe cent orae E bees act a Erer ara ESON 7 3 3 Description of symbols saccrisceccastes misiarortietiewunctienucnmasencieoeuaies 7 4 Installation isisa a a a a a a 8 4 1 Opening closing the HOusing cccesesscceeteeseceeeeeneeneneees 8 42 PS SUN yer eee eee 9 4 3 Electrical CONNECTION sssrin erarnan araea 10 44 DisMaNtliNG seesinane a a a aA 11 4 5 Terminal diagram sssssssssssssssesssrrnereesrinreerrrnnsrn
32. V press button gt The display for setting the output appears gt SET press button gt Output flashes 62 727 775 08 10 Display 3 Function Oem Time function off on gt Display example Display 3 1 Circulation Display 3 1 3 Time controlled 12 00 13 30 18 00 20 00 Display 3 1 3 1 EN gt AV selecting an output gt SET press button to confirm NOTE R or T indicates an output or input which has not yet been selected Only outputs which are not yet required by the respective system can be selected Double allocation of outputs is not possible However double allocation of inputs is possible This is also displayed in an information window see chapter 12 Leaving the menu gt ESC press button 7 3 2 Circulation function A circulation pump can be controlled in a time based temperature based or pulse based manner These types of control can also be com bined with each other Time control time switch with 3 time windows Temperature control when the temperature in the circulation return falls below the on value then the pump is switched on until the off temperature is reached NOTE In order to avoid measurement errors caused by the pipe s thermal con duction a minimum clearance space of 1 50 m from the storage tank should be observed when installing the circulation sensor Pulse cont
33. When no voltage is on the system the switching valve R2 must be set in such a manner that water does not flow through the storage tank Loading strategy of solar circuit pump R1 in the factory temperature differential control is chosen as the loading strategy for the storage tank B1 It can be adjusted or changed to target temperature control using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout E iN Ri N R2 N A1 collector array B1 storage tank D1 wire bridge R1 solar circuit pump R2 switching valve heating return increase T1 collector sensor T2 sensor at bottom of storage tank T3 heating return increase storage tank sensor T4 heating return sensor R3 n c n c nc nc X Display 2 1 3 Al R2 collector sensor T2 T3 collector array B1 D1 Fale R1 storage tank wire bridge external heat exchanger storage tank loading pump solar circuit pump sensor at bottom of storage tank external heat exchanger sensor EN System 3 1 collector array 1 storage tank with external heat exchanger Description of the solar function the solar circuit pump R2 is switched on as soon as the switch on temperature difference between the col lector array A1 T1 and the storage tank B1 T2 is reac
34. a temperature for the storage tank gt SET press button to confirm gt V press button gt Display for selection of the start and end times appears gt SET press button to confirm A iO gt The hour value of the start time flashes Q O gt AV set the hour value of the start time 00 00 03 00 gt SET press button to confirm Sa ee gt The minute value of the start time flashes gt AV set the minute value of the start time gt SET press button to confirm gt The hour value of the end time flashes gt AV set the hour value of the end time gt SET press button to confirm gt The minute value of the end time flashes gt AV set the minute value of the end time gt SET press button to confirm NOTE The duration of the anti legionella function can be set between 1 hour and 3 hours 59 minutes Programming a time period which goes beyond midnight 24 00 is not possible Display 3 15 Display storage tank top Display 3 15 2 3 storage tank C U S Display 3 16 Data logger He Le ao Oe Display 3 16 2 OT Direct Sensor 4 O Flow rate O Power Display 3 16 3 EN 7 3 16 Display storage tank top function The display storage tank top function serves merely as an additional display and has no effect on control Y Functions submenu selected see Selecting a function see chapter 7 3 1 Y Display sto
35. age tank 2 D1 wire bridge R1 solar circuit pump R2 switching valve T1 collector sensor T2 sensor at bottom of storage tank 1 sensor at bottom of storage tank 2 nc nc R3 T W 4 System 15 1 collector array 2 storage tanks heating Display 2 2 4 Al storage tank 1 B2 D1 solar circuit pump 1 R2 R3 Wile WZ Us T4 1S collector array storage tank 2 wire bridge switching valve heating return increase switching valve collector sensor sensor at bottom of storage tank 1 sensor at bottom of storage tank 2 heating return increase storage tank sensor heating return sensor return increase intelligent valve control Description of the solar function when the switch on temperature dif ference between the collector array A1 T1 and one of the two storage tanks B1 B2 T2 T3 is exceeded the solar circuit pump R1 is switched on and the switching valve R2 is set to the correct position depending on the storage tank to be loaded Both storage tanks B1 B2 are loaded one after the other according to the priority control chapter 7 5 Storage tank priority until either the relevant switch off temperature differ ence between the collector array A1 T1 and storage tanks B1 B2 T2 T3 is reached or a safety limit is reached Description of the heating return incr
36. alues Recording pulse values via reed relay via open collector 6 6 K fla Standard Special case volume flow recording volume flow recording polarity irrelevant observe polarity pulse signals up to max 600 Hz 13 4 5 3 Connection of outputs R1 R2 and R3 Outputs R1 and R2 e Semiconductor relays TRIAC also suitable for RPM control max switching current see type plate CAUTION Avoiding damage and malfunctions gt When connecting an external relay or contactor or when connect ing a pump which has its own electronic RPM control the controller output s RPM control must be deactivated see chapter 7 4 3 Setting the RPM control parameters R1 output 1 R2 output 2 R3 output 3 D1 wire bridge ABBA ETT Pp TL Output R3 switched output or potential free output e 230 VAC switched output option 115 VAC via electromechanical relay max switching current see type plate wire bridge must be connected R1 output 1 R2 output 2 R3 output 3 D1 wire bridge ass aap PEE Edi R1 output 1 R2 output 2 R3 output 3 e Potential free output via electromechanical relay wire bridge must be removed A DANGER Risk of death by electrocution gt Inthe event of use as a potential free output it must be ensured that the connections cannot come into contact with the mains voltage R1 R2 R3 opegAdAr ENE
37. and the swimming pool C1 T3 or a safety limit is reached the swimming pool pump R3 switches off NOTE When no voltage is on the system the switching valve R2 must be set to storage tank B1 Display 2 5 2 Loading strategy of solar circuit pump R1 in the factory temperature differential control is chosen as the loading strategy for the storage tank B1 It can be adjusted or changed to target temperature control using the Parameters menu chapter 7 4 Parameters In the factory the loading strategy for the swimming pool C1 is set to temperature differential control This cannot be altered Loading strategy of swimming pool pump R3 it is not possible to select whether temperature differential control or target temperature control is to be used as the loading strategy Swimming pool pump R3 operates according to the switch on and switch off temperature differ ence parameter values Activating the system see chapter 7 2 Selecting a system Terminal layout 5 6 A1 collector array B1 storage tank C1 swimming pool D1 wire bridge F1 external heat exchanger R1 solar circuit pump R2 switching valve R3 swimming pool pump T1 collector sensor T2 sensor at bottom of storage tank T3 swimming pool sensor T4 external heat exchanger sensor R3 L war yao n c nc Display 2 5 3 collector array storage
38. ank is heated up to the set temperature once daily 00 00 23 59 The duration of the anti legionella function can be set between 1 hour and 3 hours 59 minutes Programming a time period which goes beyond midnight 24 00 is not possible 106 16 Notes 727775
39. appears NOTE The temperature of the Direct Sensor as well as the flow rate and the output of the measurement of heat quantities can be selected here 727 775 08 10 79 gt AV select additional measurement values gt SET press button to confirm gt The selected measurement sensors are indicated gt V press button until the next page appears gt Display for the selection of the outputs to be recorded appears NOTE Outputs R1 to R3 as well as the alarm output can be selected here K gt AV choose the desired outputs z a gt SET press button to confirm Display 3 16 4 gt The selected outputs are indicated V press button until the next page appears gt The interval time appears gt gt SET press button Display 3 16 5 gt The number of minutes flashes in the display gt AV set the interval time gt SET press button to confirm Alarm output Vv 7 3 18 Alarm output function gt rediesxcesarcececsancrncs The alarm output is always switched on when the controller detects a pre selected type of error sensor error int clock error system error night circulation piping error anti legio error For connection of the Display 3 17 alarm output see chapter 4 5 4 Alarm output Y Functions submenu selected see Selecting a function see chapter 7 3 1 Alarm if gt V press button misensoneron O Int clock failure gt The error selection display appe
40. arameter settings are available for all types of solar energy systems The following parameters can be accessed and adjusted e Maximum temperature storage tank 1 storage tank 2 storage tank 3 or swimming pool e Switch on temp difference solar 1 solar 2 or solar 3 e Switch off temp difference solar 1 solar 2 or solar 3 e Maximum collector temperature e Minimum collector temperature e Switch on temperature difference return increase e Switch off temperature difference return increase e Maximum temperature loading circuit 1 e Minimum temperature loading circuit 1 e Loading strategy storage tank 1 storage tank 2 or storage tank 3 e RPM control pump R1 or pump R2 7 4 1 Accessing and adjusting parameters Accessing parameters gt SET press button for approx 2 sec gt AV select the menu item Parameters gt SET open the submenu gt AV select a parameter Setting a parameter value Y Submenu Parameters selected see Accessing parameters gt SET press button gt The display with the selected system and the corresponding parameter value flashes gt AV set the value gt SET press button to confirm Exiting the parameter gt ESC press button to confirm NOTE The loading strategy and RPM control parameters can be adjusted as follows 727 775 08 10 81 EN 7 4 2 Setting the loading strategy parameter Y Access the loading strategy parameter see chapter 7 4 1 g
41. arameter values Activating the system see chapter 7 2 Selecting a system Terminal layout A1 collector array 1 A2 collector array 2 B1 storage tank D1 wire bridge F1 external heat exchanger R1 storage tank loading pump R2 solar circuit pump 1 R3 solar circuit pump 2 T1 collector sensor 1 T2 collector sensor 2 T3 sensor at bottom of storage tank T4 external heat exchanger sensor 4 System 11 2 collector arrays east west roof Display 2 1 11 A1 collector array 1 A2 collector array 2 B1 storage tank D1 wire bridge R1 solar circuit pump 1 R2 solar circuit pump 2 R3 zone loading switching valve T1 collector sensor 1 T2 collector sensor 2 T3 sensor at bottom of storage tank T4 storage tank zone loading sensor 1 storage tank with zone loading Description of the solar function when the switch on temperature difference between the storage tank B1 T3 and one or the other of the collector arrays A1 A2 T1 T2 is reached then either solar circuit pump R1 for collector array A1 T1 or solar circuit pump R2 for collector array A2 T2 is switched on depending on where the temperature difference occurs When the switch on temperature difference is reached for both collector arrays A1 A2 T1 T2 then both pumps R1 R2 are switched on When the switch off temperature difference between the collector array
42. are incomplete Activation not possible All outputs are occupied Caution Diverse settings have to be repeated after changing system Frost protection function and bypass function cannot be activated simultaneously not available for pool systems not available for 1 storage systems Pumps running due to blockage protection System recooling in progress Hygiene flushing circulation Stagnation reduction is active Description Function cannot be activated as the cor responding settings are incomplete Function was deactivated again Function cannot be activated as all outputs are already occupied When changing systems all settings of functions and parameters are reset Frost protection function and bypass function cannot be activated simultane ously Some functions are not available for systems with a swimming pool It is not possible to access storage prior ity as the selected system only has one storage tank In order to protect the pumps from me chanical seizure all pumps are switched on briefly once a day The holiday function is activated Storage tank is being recooled by the system System is conducting hygiene flushing of the circulation pipe Stagnation reduction is activated System is operating at high temperature level Measures Check and complete the settings If the selected layout or ano
43. ars O system error gt AV select an error type DREA gt SET press button to confirm gt The selected errors are indicated Alarm if ore O Night circulation Definition of errors O Piping error O Anti legio error Error type Description Display 3 17 2 Sensor error Sensor cable short circuit interruption of sensor cable or no sensor connected see chapter 12 Int clock failure For instance after a long power outage System error Volume flow fault in solar circuit or secondary circuit see chapter 12 Night Gravity circulation causes the collector to be circulation heated at night see chapter 12 Piping error Collector pipes may be wrong way round see chapter 12 Anti legionella The set temperature was not achieved within the error set timeframe see chapter 12 Display 4 Parameters Display example Maximum storage tank 1 temperature Display example loading strategy of storage tank 1 EN 7 4 Parameters In the factory the controller is configured in such a manner that it can be used in most applications without changes to these values All parameters can be modified to a certain extent to suit the individual requirements of the system If modifications are realised the operating data of the solar components used must be observed NOTE The parameter settings depend on the solar energy system chosen This means that not all p
44. ation maintenance and dismantling of the temperature differential controller for solar thermal energy systems When installing the remaining compo nents e g solar collectors pump assemblies storage units pumps and switching valves be sure to observe the appropriate installation instructions provided by each manufacturer 3 2 Users Installation commissioning maintenance and dismantling of the controller may only be performed by trained professional personnel Before commissioning the controller must be professionally assembled and installed by professional personnel in accordance with the applicable regional and transregional regulations as well as the safety instructions and general instructions within these installation and operating instruc tions The professional personnel must be familiar with these operating instructions The controller is maintenance free Use the controller only after first thoroughly reading and understanding these operating instructions and the safety instructions Adhere to all safety instructions and consult professional personnel in the event of any ambiguities This device is not intended for persons or children with physical sensory or mental disabilities or who have inadequate experience and knowledge unless they are instructed in the use of the device and initially supervised by a person responsible for their safety Children should not be left alone with the device to ensure that they do not play
45. ched then either solar circuit pump Display 2 1 10 R1 for collector array A1 T1 or solar circuit pump R3 for collector array A2 T2 is switched on depending on where the temperature difference occurs When the switch on temperature difference is reached for both collector arrays A1 A2 T1 T2 then both pumps R2 R3 are switched on When the switch off temperature difference between the collector array A1 A2 T1 T2 and the storage tank B1 T3 or a safety limit is reached the solar circuit pumps R2 R3 are switched off again The storage tank loading pump R1 is switched on as soon as the switch on temperature difference between the external heat exchanger F1 T4 and the storage tank B1 T3 is reached The storage tank is loaded until the switch off temperature difference between the external heat exchanger F1 T4 and the storage tank B1 T3 is reached or until a safety limit is reached Loading strategy of storage tank loading pump R1 and solar circuit pump R2 in the factory target temperature control is chosen as the loading strategy for the storage tank B1 It can be adjusted or changed using the Parameters menu chapter 7 4 Parameters Loading strategy of solar circuit pump R3 itis not possible to select whether temperature differential control or target temperature control is to be used as the loading strategy Solar circuit pump R3 operates according to the switch on and switch off temperature difference p
46. cooling function Frost protection Anti legionella function Display storage tank top Data logger Alarm output Parameters Max temperature storage tank 1 Max temperature storage tank 2 Max temperature storage tank 3 Max temperature swimming pool Switch on temp difference solar 1 Switch off temp difference solar 1 Switch on temp difference solar 2 Switch off temp difference solar 2 Max collector temperature Min collector temperature Switch on tempera ture difference return increase Switch off tempera ture difference return increase Max temperature loading circuit 1 Min temperature loading circuit 1 Max temperature loading circuit 2 Min temperature loading circuit 2 Loading strategy storage tank 1 Loading strategy storage tank 2 Loading strategy storage tank 3 RPM control pump R1 RPM control pump R2 Factory settings 727 775 08 10 21 7 2 Systems The desired solar energy system can be chosen using the Systems submenu There are a total of 40 different systems to choose from subdivided into 7 system groups System group Systems with one storage tank 40 systems Chapter System 1 1 collector array 1 storage tank 7 2 1 System 2 1 collector array 1 storage tank heating return increase System 3 1 collector array 1 storage tank with external heat exchanger System 4 1 collector array
47. ct whether temperature differential control or target temperature control is to be used as the loading strategy Swimming pool pump R3 operates according to the switch on and switch off temperature differ ence parameter values Activating the system see chapter 7 2 Selecting a system Terminal layout EN System 30 1 collector array 1 storage tank gt 1 swimming pool with external heat exchanger intelligent valve control Description of the solar function when the switch on temperature difference between the collector array A1 T1 and the storage tank B1 T2 or the swimming pool C1 T3 is reached the solar circuit pump R1 is switched on and the switching valve R2 is set to the correct position depending on the storage tank swimming pool to be loaded The stor age tank B1 and the swimming pool C1 are loaded one after the other according to the priority control chapter 7 5 Storage tank priority until either the relevant switch off temperature difference between the collec tor array A1 T1 and the storage tank B1 T2 or the swimming pool C1 T3 is reached or a safety limit is reached The swimming pool pump R3 is switched on as soon as the switch on tem perature difference between the external heat exchanger F1 T4 and the swimming pool C1 T3 is reached When the switch off temperature differ ence between the external heat exchanger F1 T4
48. d and this is only intended as information Look up the error code in the operat ing instructions chapter 13 and check correct the entries Locate and check the corresponding sensor s in the display menu Check connection and or sensor ca ble Possibly check sensor and sensor cable using an ohmmeter 94 Short circuit in sensor cable Storage tank pool deactivated due to season or storage priority Pump operation not enabled at present Anti legionella function is active Back up heating is active oi ee SD card error SD card not inserted o Data Logger al function must be switched on SD card error SD card is writeprotected ie SD card error SD card cannot be read I SD card error Permissible size max 2GB Formatting FAT16 only Format SD card Warning SET gt yes all data ei A will be deleted ins Sensor cable has short circuited or the sensor is possibly defective Loading of the storage tank pool was deactivated due to storage priority The collector is in a stagnant state pump starts are blocked in order to prevent damage The anti legionella function is activated Back up heating operates until the target temperature of the anti legionella function has been reached Back up heating is active Data logger function has been acti vated but no SD ca
49. d in the factory may not be altered removed or rendered unreadable gt Before connecting the device make sure that the power supply matches the specifications on the type plate gt Make sure that all devices which are connected to the controller conform to the technical data of the controller gt Secure the device against unintentional start up All work on an open controller must be performed with the mains supply removed gt Protect the controller against overloading and short circuiting Vv Vv 1 3 Detecting faults gt Check the display regularly gt Incase of faults isolate the cause see chapter 11 1 Causes of problems gt As soon as it becomes evident that safe operation is no longer guaranteed e g visible damage remove the device from the mains supply immediately gt Have trained professional personnel remedy the fault 1 4 Hot water temperature In order to limit the hot water temperature to 60 C at the outlets a hot water mixer must be installed 1 5 Disposal gt Dispose of the controller in accordance with the regional regulations 1 6 Exclusion of liability The manufacturer can neither monitor the compliance with this manual nor the conditions and methods during the installation operation usage and maintenance of the controller Improper installation of the system may result in damage to property and as a result to bodily injury Therefore the manufacturer assumes no respon
50. e on value flashes in the display gt AV set the on value gt SET press button to confirm gt The off value flashes after confirmation of the on value gt AV set the off value gt SET press button to confirm gt The settings are saved Display 3 2 3 Activating time control gt V press button gt The Time controlled display appears Displays 4 gt SET press button Irime controlled gt Time control is activated gt V press button gt The display for setting the duration appears lt 4 gt SET press button Jei eee eae The time value flashes 18 00 20 00 gt AV set the time value gt SET confirm the value and go to the next value gt The settings are saved NOTE The switch on time must always be before the switch off time There fore when the switch on value is being adjusted the switch off value will also be changed to a later time if necessary Adjusting the switch off value to a time before the switch on value is blocked Display 3 2 4 1 EN 7 3 4 Solid fuel boiler function This function allows control of a pump for heating of a storage tank using a solid fuel boiler When the temperature difference between solid fuel boiler and storage tank exceeds the on value the solid fuel boiler temperature is above the min value and the storage tank temperature is below the max value then the pump is switched on The pump runs until the temperatu
51. e is being adjusted the switch off value will also be changed to a later time if necessary Adjusting the switch off value to a time before the switch on value is blocked 7 3 9 Difference thermostat function This function allows a controller output to be controlled depending on a pre defined temperature difference When the temperature difference exceeds the defined on value the output is switched on until the temperature difference falls below the off value For optimised functionality unloading of the heat source can be limited to a particular temperature range and loading of the heat target can be limited to a maximum value It is also possible to limit the difference thermostat function to specific times Defining the inputs and the switching values Jv y S gt gt Functions submenu selected see Selecting a function see chapter 7 3 1 Difference thermostat activated see Activating a function see chapter 7 3 1 Outputs selected see Selecting an output see chapter 7 3 1 V press button The display for setting the temperature inputs and the switching gt values appears SET press button gt T flashes in the display temperature input for the heat source AV choose the heat source s input SET press button to confirm gt T flashes in the display temperature input for the heat target AV choose the heat source s input SET press button to confirm
52. e operated in the following environments e outdoors e in damp rooms e in rooms where highly flammable gas mixtures can occur e in rooms in which the operation of electrical and electronic components may cause dangers to arise 1 2 Dangers during assembly and commissioning The following dangers exist during installation commissioning of the controller and during operation in case of installation errors e risk of death by electrocution e risk of fire due to short circuit e damage to any of the constructional fire safety measures present in the building due to incorrectly installed cables e damage to the controller and the connected devices due to improper ambient conditions inappropri ate power supply and the connection of prohibited devices faulty devices or devices not included in the device specifications as well as incorrect assembly or installation NOTE Observe the controller s type plate Therefore all safety regulations apply when working on the mains supply Only electricians may perform work that requires opening the controller such as electrical connection work gt When laying cables ensure that no damage occurs to any of the constructional fire safety measures present in the building gt Make sure that the permissible ambient conditions at the installation site are not exceeded see chap ter 15 Technical data gt Be sure to comply with the specified ingress protection Labels and markings applie
53. e tank is reached the stor age tank is loaded This value cannot be changed Switch off temperature difference external heat exchanger Factory Adjustable Adjustable up Description setting down to min to max 3K When the switch off temperature difference between the secondary side of the external heat exchanger and the storage tank is reached loading of the storage tank is stopped This value cannot be changed 100 727 775 08 10 Maximum collector temperature Factory Adjustable Adjustable up Description setting down to min to max 130 C Minimum 180 C When the maximum collector temperature is reached collector the solar circuit pump switches off When the tem temperature perature drops to 3 K below the defined maximum 20K value the solar circuit pump switches on again Minimum collector temperature Factory Adjustable Adjustable up Description setting down to min to max 0 C 0 C Maximum col Only when the minimum collector temperature is lector tempera reached and in consideration of the other switch ture 20 K on conditions does the solar circuit pump switch on This value can be increased up to 20 K below the defined maximum collector temperature Switch on temperature difference return increase Factory Adjustable Adjustable up Description setting down to min to max 6K Switch off 50 K When the switch on temperature difference be temperature tween storage tank temp
54. ease the 3 way valve R3 in the heating return is switched on water flows through storage tank as soon as the switch on temperature difference between the storage tank B2 T4 and the heating return T5 is reached When the switch off tem perature difference T4 T5 is reached the 3 way valve R3 returns to its initial state Water does not flow through the storage tank NOTE When no voltage is on the system the switching valve R2 must be set to storage tank B1 When no voltage is on the system the switching valve R3 must be set in such a manner that water does not flow through the storage tank Loading strategy of solar circuit pump R1 in the factory tempera ture differential control is chosen as the loading strategy for the storage tanks 1 2 It can be adjusted or changed to target temperature control using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout System 16 1 collector array 1 storage tank gt 1 storage tank with external heat exchanger intelligent pump control Description of the solar function when the switch on temperature difference between the collector array A1 T1 and one of the two stor age tanks B1 B2 T2 T3 is reached the appropriate solar circuit pump R2 or R3 is switched on Both storage tanks B1 B2 are loaded one after the other
55. ed see menu overview in chapter 7 Factory priority control setting e Summer storage tank 1 gt swimming pool e Winter only storage tank 1 Terminal layout see System 31 System 38 1 collector array 1 storage tank 1 swimming pool in stand alone operation with external heat exchanger intelligent valve control Description of the solar function this system s controller function cor responds to System 32 The special feature of the seasonal system it is possible to switch with ease between summer and winter priority control The seasonal storage priority control can be defined in the storage priority menu chapter 7 5 Storage priority The respective season is selected directly following the activation of a seasonal system To make it easier to switch between the seasons the season selection appears as the first item when the menu is selected see menu overview in chapter 7 Factory priority control setting e Summer storage tank 1 gt swimming pool e Winter only storage tank 1 Terminal layout see System 32 Display 2 7 3 Display 2 7 4 EN System 39 1 collector array 2 storage tanks 1 swimming pool in stand alone operation with external heat exchanger intelligent pump control Description of the solar function this system s controller function cor responds to System 33 The special feature of the seasonal system it is possible to switch with ease between summer and winte
56. em see chapter 7 2 Selecting a system Terminal layout A1 collector array C1 swimming pool D1 wire bridge F1 external heat exchanger R1 solar circuit pump R3 swimming pool pump i io T1 collector sensor eae a T2 swimming pool sensor i i ae T3 external heat exchanger sensor EN Display 2 4 3 A1 collector array C1 swimming pool D1 wire bridge F1 external heat exchanger R1 solar circuit pump T1 collector sensor T2 swimming pool sensor System 25 1 collector array 1 swimming pool in stand alone operation with external heat exchanger Description of the solar function the solar circuit pump R1 is switched on as soon as the switch on temperature difference between the collec tor array A1 T1 and the swimming pool C1 T2 is reached When the switch off temperature difference or a safety limit is reached the solar circuit pump R1 switches off The swimming pool pump is controlled externally Loading strategy of solar circuit pump R1 in the factory the load ing strategy is set to temperature differential control This cannot be altered Activating the system see chapter 7 2 Selecting a system Terminal layout l R3 ov Sro ope EN System 26 2 collector arrays east west roof b 1 swimming pool Descripti
57. erature and heating return of return 2 K temperature is reached the switching valve is acti vated and water flows through the storage tank Switch off temperature difference return increase Factory Adjustable Adjustable up Description setting down to min to max 3K OK Switch on When the switch off temperature difference between temperature of storage tank temperature and heating return tem return 2 K perature is reached the switching valve returns to its initial state The difference between the switch on temperature difference and the switch off tempera ture difference for return increase must be at least 2 K and is barred from being set any lower Maximum temperature loading circuit 1 loading circuit 2 Factory Adjustable Adjustable up Description setting down to min to max Minimum 130 C When the temperature on the secondary side in loading circuit the heat exchanger reaches 3 K below the defined temperature maximum value the solar circuit pump is switched 20 K off and the storage tank loading pump continues to run When the temperature drops back down to 10 K below the maximum value the solar pump switches on again If the defined maximum value is nevertheless reached the storage tank loading pump also switches off for safety reasons When the temperature returns to below the maximum temperature the storage tank loading pump switches on again Minimum temperature loading circuit 1 loadin
58. ertrnnsrrnnenentnnnet 12 5 COMMISSIONING ae sa sca sed iaa Eae an a aE Ea aa 16 5 1 Setting the language tice aera be eae 16 5 2 Setting the time and date ssssssssneeeserereneesrrrsrrrrnssrereren 16 5 3 Setting the automatic summer tiMe ssssssssssesseesssrerreererrern 16 5 4 Setting the system group ccccceeeeeeeeeeeeeeeeeeeeneeeaaeesaeees 17 5 5 Setting the system aeree ee eE EEE EE ER 17 6 Modes of operation wiiehisiicrvidiiiaciesca enemas 18 6A COFF MOE siisi acter aa eaea aera E E raae 18 6 2 A tomatie MOOG mescnnsrenennei eee 18 63 Manual MOG issen aa 18 7 UN Sate csr ee ae needa emer ieeeueeecteniaeaee 19 Tl B ee eer rn nent n iver Cree reo Ree ere ee ne 19 Fie SYSTEMS oosa e O RE rE E 22 7 3 s FUNCIONS aaa aaa a es a a e eats 62 14A Parameters cecrccertuteee ces tren eer ee 81 7 5 St rag phori eenen E EEEE 83 46 Language ismni neaei ie a E 84 TT Factory settings ce acct ee cea a aa 84 FE BCLSCASON aorti cede oes leeks tated A EE eae 84 2 8 Automatic mode ccccecceeceecececeeceeeeeeceeseceuseceeeueeueseeseueaees 85 8 1 Status display e EO es 86 8 2 Temperature sensor min max display cccceeeeeeeeeeeeeeees 86 8 3 Operating hours display for pumps and switching valves 86 9 Data NOG OOM nni tease Gist er at ss 87 91 Handling th SD card sisii 87 9 2 Display SCEN s diaid wy cate eee eens NEEE E 87 9 3 Formatting esep tee eee ese oeeeee 88 94 Date evaluati
59. extracts too little hot water or none at all e g during holidays a completely heated storage tank can cause the solar energy system to begin evaporation prematurely and the system is thus subjected to a higher thermal load Display 3 12 Holiday function recooling When the holiday function is activated and the temperature in the stor age tank reaches 10 K below the set maximum storage tank temperature the controller attempts to systematically unload the lower part of the storage tank at night until the set minimum storage tank temperature is reached This function can be set for a specific period of time Defining the minimum storage tank temperature Y Functions submenu selected see Selecting a function see chapter 7 3 1 vy Holiday function recooling activated see Activating a function see chapter 7 3 1 gt V press button gt The display for setting the minimum storage tank temperature gt us appears ATS gt SET press button g upie gt The min value flashes gt AV set the minimum temperature value for the storage tank Display 3 12 2 gt SET press button to confirm gt V press button The display for setting the time period appears gt Prog gt SET press button AE gt The start year flashes gt SET confirm value and change to the month Display 3 12 3 gt The start month flashes gt AV set the month gt SET confirm value and change to the day gt T
60. f problems should help the installer and operator to isolate the problem so that the system can be repaired as quickly as possible and to avoid unnecessary costs Of course not all possible causes of problems can be listed here However here you will find the most common causes of problems that cover the majority of possible faults Only return the controller when you are absolutely sure that none of the problems listed below is responsible for the fault A DANGER Risk of death by electrocution gt All work on an open controller must be performed by professional personnel gt Remove the controller from the power supply before opening the case 11 1 Causes of problems Controller does not appear to function at all Secondary symptoms Possible cause Procedure e Display shows nothing Controller power supply is Check the controller power cable interrupted Check the fuse for the power supply e No display illumination Check the fuse at the controller replacement fuse is located in the case The solar pump does not operate despite the fact that the switch on condi tions are satisfied Secondary symptoms The pump symbol in the display rotates Possible cause Pump power supply is interrupted The pump symbol in the display does not rotate The pump symbol in the display does not rotate The display illumination is red A tool symbol flashes in the display The pump symbol in the d
61. f the solar energy system must be recorded The flow rate can be read in via a pulse generator recorded via a special Direct Sensor or approximately calculated by means of the pump speed Since the heat quantity depends on the proportion of glycol in the fluid this also is accounted for in the calculations From these values the controller determines the quantity of heat and shows this in the display NOTE When using the Direct Sensor observe the manufacturer s technical data Setting the flow rate determination and the glycol proportion Y Functions submenu selected see Selecting a function see chapter 7 3 1 y Heat quantity activated see Activating a function see chapter 7 3 1 gt V press button The display for setting the flow rate determination method and the glycol proportion appears gt SET press button gt The flow rate determination method flashes in the display gt AV choose between Pulse generator use of a Direct Sensor or Without flow sensor gt SET press button to confirm gt The pulse value if Pulse generator is selected or sensor type if Direct Sensor is selected flashes in the display gt AV enter the value or type for the selected flow rate sensor e for Pulse generator see chapter 15 3 Parameter values for functions e for Direct Sensor enter the sensor type e for Without flow sensor this step is dispensed with gt SET confirm the value gt Glycol proportio
62. for approx 2 sec gt AV select the menu item Factory settings gt SET press button gt The display Reset all values appears gt SET press button gt All values are reset to the factory settings The controller restarts The controller must now be reconfigured see chapter 5 Commissioning NOTE When the controller is reset to Factory settings all settings return to the values they had upon delivery of the controller The following values are retained e The min max values of the temperature sensors e The outputs operating hours e Max heat output e Heat quantities 7 8 Set season NOTE This menu item appears only if a seasonal system has been selected Selecting a season gt SET press button for approx 2 sec gt AV select the menu item Set season gt SET press button gt Display Summer Winter appears gt SET press button The selected season is changed gt ESC finish the settings 84 727 775 08 10 Display 6 Language Display 6 1 Deutsch Display 7 Factory settings Display 7 1 Reset all yes values no Display 8 Set season Display 8 1 Summer Winter 8 Automatic mode Symbols In Automatic operation of the controller the status display with the selected solar energy system and other set functions are shown on the display You can access the values of the individual senso
63. g circuit 2 Factory Adjustable Adjustable up Description setting down to min to max 0 C 0 C Maximum The storage tank loading pump is not switched on temperature until the temperature on the secondary side of the loading circuit heat exchanger has reached the defined minimum 20 K temperature Loading strategy of storage tank 1 storage tank 2 and storage tank 3 Factory Adjustable Adjustable up Description setting down to min to max Temperature differential control It is possible to choose between temperature Bk 2K 50k o differential loading and target temperature loading Pagem o ee on the selected loading strategy the Target temperature control temperature control controller either attempts to comply with the 60 C 0 C 95 C defined temperature difference between collector and storage tank or to reach the defined target temperature as quickly as possible See chapter 7 4 2 for information regarding settings RPM control pump R1 and pump R2 Factory Adjustable Adjustable up Description setting down to min to max 50 30 100 If RPM control is activated the power at the con troller s output R1 or R2 is regulated by means of full wave packet control according to the measured temperature values and controller settings When RPM control is deactivated full power is present at the controller s output R1 or R2 See chapter 7 4 3 for information regarding settings 15 3 Parameter val
64. g pool in stand alone operation with external heat exchanger intelligent valve control 7 2 7 23 EN NOTE Upon selection of a new system the functions storage tank priority and parameters are automatically returned to their factory settings gt Check the settings again Selecting a system gt ae SET press button for approx 2 sec AV select the menu item Systems Display 2 SET open the submenu System groups Systems AV select a system group gt SET press button to confirm AV selecting a system SET press button to confirm vvvvvvyv gt In the display a small checkmark appears below the item Display example number which confirms that the system is selected gt gt ESC exit the Systems menu item J Display example EN 7 2 1 Systems with one storage tank System 1 1 collector array 1 storage tank Description of the solar function the solar circuit pump R1 is switched Display 2 1 on as soon as the switch on temperature difference between the col Storage tank lector array A1 T1 and the storage tank B1 T2 is reached When the switch off temperature difference between the collector array A1 T1 and the storage tank B1 T2 or a safety limit is reached the solar circuit pump R1 is switched off again 4q Loading strategy of solar circuit pump R1 in the factory temperature differential control is cho
65. ge tank will no longer be loaded The switch on off values are defined in the controller NOTE When no voltage is on the system the switching valve must be set in such a manner that the storage tank is not loaded Setting the input for the solar circuit temperature VZ Functions submenu selected see Selecting a function see chapter 7 3 1 J Bypass activated see Activating a function see chapter 7 3 1 S Outputs selected see Selecting an output see chapter 7 3 1 gt V press button gt The display for setting the temperature input appears gt gt SET press button gt T flashes in the display solar circuit temperature input gt AV choose the desired input gt SET press button to confirm Display 23 gt The settings are saved CAUTION There is a risk of frost damage to the external heat exchanger in the case of solar energy systems with long pipes in the frost region gt Use a bypass valve with a drive which has a switching time of less than 45 seconds Display 3 6 Heat quantity Display 3 6 2 Impulse generator Display 3 6 3 hot cool EN 7 3 7 Heat quantity function The controller has a function for measuring the quantity of heat This allows for instance to record the quantity of heat fed into the storage tank from the solar energy system To do this the temperature of the supply and return and the flow rate o
66. gt The on value flashes after confirmation of the heat target input AV set the on value SET press button to confirm gt The off value flashes after confirmation of the on value AV set the off value SET press button to confirm gt The settings are saved Defining limits for the heat source gt gt gt gt V press button gt The display for setting the limits max min of the heat source appears SET press button gt max flashes in the display heat source s maximum value AV set the maximum value SET press button to confirm 72 Display 3 8 Difference thermostat Display 3 8 3 on off Display 3 8 4 Cel max 60 C Display 3 8 5 Display 3 8 6 Time controlled Ue 00 00 00 00 00 00 00 00 00 00 00 00 Display 3 8 6 1 EN gt min heat source s minimum value flashes after confirmation of the maximum value gt AV set the minimum value gt SET press button to confirm gt The settings are saved Defining limits for the heat target gt V press button gt The display for setting the limit of the heat target appears gt SET press button gt max flashes in the display heat target s maximum value gt AV set the maximum value gt SET press button to confirm Activating time control gt V press button gt The Time controlled display appears gt SET press butt
67. hange over for EU appears gt SET press to activate or deactivate the automatic summer time change over gt Across in the control box shows that the automatic summer time change over is active gt ESC exit the automatic summer time change over submenu gt ESC exit the Time Date menu item NOTE The controller can also be operated without activating the automatic summer time change over 727 775 08 10 19 EN Menu overview SET 2 sec ESC Status display 1 1 Set season The menu item Set season is only displayed if a seasonal system has been selected Systems 2 storage tanks systems S torage tank swim ming pool systems 1 storage tank systems 3 storage tanks systems Swimming pool systems System 1 System 12 System 21 System 23 System 29 System 2 System 13 System 22 System 24 System 30 System 3 System 14 System 25 System 31 System 4 System 15 System 26 System 32 System 5 System 16 System 27 System 6 System 17 System 28 System 7 System 18 System 8 System 19 System 9 System 20 System 10 System 11 20 727 775 08 10 2 storage tanks swim ming pool systems System 33 System 34 EN Functions Circulation Back up heating Solid fuel boiler Quick charge Bypass Heat quantity Thermostat Difference thermostat Time function Interval Stagnation reduction Holiday re
68. he corresponding heating system function has been activated and that this operates synchronically with the anti legionella function Once storage tank 1 reaches the neces sary temperature the circulation pumps of the plate heat exchanger or of the circulation circuit are activated if these are available NOTE Risk to health through limited effectiveness of the anti legionella func tion Check anti legionella function manually with the thermostat at the time of commissioning 727 775 08 10 77 EN L CAUTION Risk of scalding by hot water temperatures above 60 C e Perform anti legionella function only outside normal operating hours e Inform house residents about the timeframe of the anti legionella function Activating the Anti legionella function VZ Functions submenu selected see Selecting a function see chapter 7 3 1 Anti legionella function activated see Activating a function see chapter 7 3 1 Y Outputs selected see Selecting an output see chapter 7 3 1 gt V press button gt Display to set the temperature input and the temperature gt required to suppress legionella is shown e gt SET press button ferol E gt T flashes in the display storage tank temperature input gt AV choose the desired input Display pn Target gt SET press button to confirm gt The anti legionella temperature for the storage tank flashes gt AV set the anti legionell
69. he external heat exchanger F1 T4 and one of the two storage tanks B1 B2 T2 T3 is exceeded the storage tank loading pump R1 is switched on and the switching valve R3 is set to the correct position depending on the stor age tank to be loaded Both storage tanks B1 B2 are loaded one after the other according to the priority control chapter 7 5 Storage tank priority until either the relevant switch off temperature difference between the external heat exchanger F1 T4 and storage tanks B1 B2 T2 T3 is reached or a safety limit is reached NOTE When no voltage is on the system the switching valve R2 must be set to storage tank B1 Loading strategy of solar circuit pump R2 and storage tank load ing pump R1 in the factory target temperature control is chosen as the loading strategy for the storage tanks B1 B2 It can be adjusted or changed using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout EN System 20 2 collector arrays east west roof b 2 storage tanks Description of the solar function when the switch on temperature dif ference between the collector array A1 T1 or collector array A2 T2 and one of the two storage tanks B1 B2 T3 T4 is exceeded the appropriate solar circuit pump R1 or R2 is switched on and the switching valve R3 is
70. he start day flashes gt AV set the day gt SET confirm value and change to the year gt The end year flashes gt AV set the year gt SET confirm value and change to the month gt The end month flashes gt AV set the month gt SET confirm value and change to the day gt The end day flashes gt AV set the day gt SET press button to confirm gt The settings are saved NOTE This function should only be activated during long periods of absence Please check whether this function has been deactivated once again after your return parasol symbol is no longer displayed in order not to waste energy unnecessarily via the collector circuit Display 3 13 Frost protection Display 3 14 Anti legionella function EN 7 3 14 Frost protection function When the frost protection function is activated the solar circuit pump is switched on as soon as the collector temperature sinks below 5 C This causes heat to be pumped through the collector from the lower part of the storage tank in an attempt to prevent the collector from freezing If the collector reaches a temperature of 7 C the pump is switched off again This function is only useful in systems without anti freeze in the heat transfer fluid The frost protection function can only be activated or deactivated Activating the frost protection function Y Functions submenu selected see Selecting a functio
71. hed When the switch off temperature difference or a safety limit is reached the solar circuit pump R2 switches off The storage tank loading pump R1 is switched on as soon as the switch on temperature difference between the external heat exchanger F1 T3 and the storage tank B1 T2 is reached The storage tank is loaded until the switch off temperature difference between the external heat exchanger F1 T3 and the storage tank B1 T2 is reached or until a safety limit is reached Loading strategy of storage tank loading pump R1 and solar circuit pump R2 in the factory target temperature control is chosen as the loading strategy for the storage tank B1 It can be adjusted or changed using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout R2 N ne ne R3 rip 29 Sef Sef bee EN System 4 1 collector array 1 storage tank with exter gt nal heat exchanger heating return increase Description of the solar function the solar circuit pump R2 is switched on as soon as the switch on temperature difference between the col lector array A1 T1 and the storage tank B1 T2 is reached When the Display 2 1 4 switch off temperature difference or a safety limit is reached the solar circuit pump R2 switches off The storage tank loading pu
72. isplay does not rotate The display illumination flashes red Pump has seized up The maximum storage tank temperature has been reached The maximum collector temperature has been reached In multi storage tank systems the system has stopped due to a priority test The minimum collector temperature has not been reached The maximum loading temperature has been reached Stagnation reduction activated Storage tank deactivated The operating switch is set to manual operation and the pump output is set to ott Short circuit or interruption of a temperature sensor Procedure Check the pump power cable Check the fuse in the controller replacement fuse is located in the case Get the pump working again replace if necessary No fault Set the operating switch to auto matic operation On the controller request the current values from all connected tempera ture sensors Check all defective sensors and or sensor cable 91 The solar pump operates despite the fact that the switch on condition is not fulfilled Secondary symptoms Possible cause Procedure The pump symbol in The interval function is acti No fault the display rotates vated Deactivate the relevant function if The holiday function is acti necessary vated The frost protection function is activated Blockage protection is acti vated Symbol rotates The operating switch is set to Set the operati
73. itch off temperature difference parameter values Activating the system see chapter 7 2 Selecting a system Terminal layout EN System 22 1 collector array 3 storage tanks p intelligent valve control Description of the solar function when the switch on temperature difference between the collector array A1 T1 and one of the three stor age tanks B1 B2 B3 T2 T3 T4 is exceeded the solar circuit pump R1 is switched on and the switching valves R2 R3 are set to the correct position depending on the storage tank to be loaded All three storage tanks B1 B2 B3 are loaded one after the other according to the prior ity control chapter 7 5 Storage tank priority until either the relevant switch off temperature difference between the collector array A1 T1 and storage tanks B1 B2 B3 T2 T3 T4 is reached or a safety limit is reached NOTE When no voltage is on the system switching valve R2 must be set to stor age tank B1 and switching valve R3 must be set to storage tank B2 Display 2 3 2 Loading strategy of solar circuit pump R1 in the factory tempera ture differential control is chosen as the loading strategy for the storage tanks B1 B2 B3 It can be adjusted or changed to target temperature control using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal
74. ith external heat exchanger intelligent valve control Description of the solar function when the switch on temperature difference between the collector array A1 T1 and one of the two stor age tanks B1 B2 T2 T3 or the swimming pool C1 T4 is exceeded the solar circuit pump R1 is switched on and the switching valves R2 R3 are set to the correct position depending on the storage tank swimming pool to be loaded Either storage tank B1 storage tank B2 or the swim ming pool C1 is loaded according to the priority control chapter 7 5 Storage tank priority until either the relevant switch off temperature difference between the collector array A1 T1 and storage tanks B1 B2 T2 T3 swimming pool C1 T4 is reached or a safety limit is reached The swimming pool pump is controlled externally NOTE When no voltage is on the system switching valve R2 must be set to stor age tank B1 and switching valve R3 must be set to storage tank B2 Display 2 6 2 Loading strategy of solar circuit pump R1 in the factory tempera ture differential control is chosen as the loading strategy for the storage tanks B1 B2 It can be adjusted or changed to target temperature con trol using the Parameters menu chapter 7 4 Parameters In the factory the loading strategy for the swimming pool C1 is set to temperature differential control This cannot be altered Activating the system see chapter 7 2 Selecting a system Termina
75. ity until either the relevant switch off temperature difference between the collector array A1 T1 and storage tanks B1 B2 T2 T3 swimming pool C1 T4 is reached or a safety limit is reached The swimming pool pump is controlled externally Loading strategy of solar circuit pumps R1 and R2 in the factory temperature differential control is chosen as the loading strategy for the storage tanks B1 B2 It can be adjusted or changed to target tempera ture control using the Parameters menu chapter 7 4 Parameters Loading strategy of solar circuit pump R3 it is not possible to select whether temperature differential control or target temperature control is to be used as the loading strategy Solar circuit pump R3 operates according to the switch on and switch off temperature difference parameter values Activating the system see chapter 7 2 Selecting a system Terminal layout A1 collector array B1 storage tank 1 B2 storage tank 2 C1 swimming pool D1 wire bridge F1 external heat exchanger R1 solar circuit pump 1 R2 solar circuit pump 2 R3 solar circuit pump 3 T1 collector sensor T2 sensor at bottom of storage tank 1 T3 sensor at bottom of storage tank 2 T4 swimming pool sensor N R2 N nc nc R3 EN System 34 1 collector array 2 storage tanks 1 swimming pool in stand alone operation w
76. l C1 T3 is reached When the switch off temperature difference between the external heat exchanger F1 T4 and the swim ming pool C1 T3 or a safety limit is reached the swimming pool pump R3 switches off Loading strategy of solar circuit pumps R1 and R2 in the factory the loading strategies of solar circuit pumps R1 and R2 are set to tempera ture differential control These cannot be altered Loading strategy of swimming pool pump R3 it is not possible to select whether temperature differential control or target temperature control is to be used as the loading strategy Swimming pool pump R3 operates according to the switch on and switch off temperature differ ence parameter values Activating the system see chapter 7 2 Selecting a system Terminal layout EN System 28 2 collector arrays east west roof 1 swimming pool in stand alone operation with external heat exchanger Cj Description of the solar function when the switch on temperature difference between the swimming pool C1 T3 and one or the other of the collector arrays A1 A2 T1 T2 is reached then either solar circuit pump R1 for collector array A1 T1 or solar circuit pump R2 for collector array A2 T2 is switched on depending on where the temperature dif ference occurs When the switch on temperature difference is reached for both collector arrays A1 A2 T
77. l layout A1 collector array B1 storage tank 1 B2 storage tank 2 C1 swimming pool D1 wire bridge F1 external heat exchanger R1 solar circuit pump R2 switching valve 1 R3 switching valve 2 T1 collector sensor T2 sensor at bottom of storage tank 1 T3 sensor at bottom of storage tank 2 T4 swimming pool sensor EN 7 2 7 Seasonal systems System 35 1 collector array 1 storage tank 1 swimming pool with external heat Display 2 7 exchanger intelligent pump control Seasonal systems Description of the solar function this system s controller function cor responds to System 29 4 The special feature of the seasonal system it is possible to switch with ease between summer and winter priority control The seasonal storage priority control can be defined in the storage priority menu chapter 7 5 Storage priority The respective season is selected directly following the activation of a seasonal system To make it easier to switch between the seasons the season selection appears as the first item when the menu is selected see menu overview in chapter 7 Display 2 7 1 Factory priority control setting e Summer storage tank 1 gt swimming pool e Winter only storage tank 1 Terminal layout see System 29 System 36 1 collector array 1 storage tank 1 swimming pool with external heat exchanger intelligent val
78. lues Activating the system see chapter 7 2 Selecting a system Terminal layout A1 collector array B1 storage tank 1 B2 storage tank 2 D1 wire bridge F1 external heat exchanger R1 storage tank loading pump 1 R2 storage tank loading pump 2 R3 solar circuit pump T1 collector sensor T2 sensor at bottom of storage tank 1 sensor at bottom of storage tank 2 T4 external heat exchanger sensor T W 4 System 19 1 collector array 2 storage tanks with Display 2 2 8 A1 collector array B1 storage tank 1 B2 storage tank 2 D1 wire bridge F1 external heat exchanger R1 storage tank loading pump R2 solar circuit pump R3 switching valve T1 collector sensor T2 sensor at bottom of storage tank 1 T3 sensor at bottom of storage tank 2 T4 external heat exchanger sensor external heat exchanger intelligent valve control Description of the solar function the solar circuit pump R2 is switched on as soon as the switch on temperature difference between the col lector array A1 T1 and one of the two storage tanks B1 B2 T2 T3 is reached When the switch off temperature difference between the collector array A1 T1 and the storage tanks B1 B2 T2 T3 or a safety limit is reached the solar circuit pump R2 is switched off again When the switch on temperature difference between t
79. ly back on after the case has been closed The upper case is connected to the lower case by two latches and fas tened with a screw 4 1 1 Opening the case gt Loosen the screw and remove the upper case in an upwards direc tion 4 1 2 Closing the case gt Place the upper case over the lower case at an angle Insert the latches into the recesses of the lower case gt Pivot the upper case down and feed the operating buttons through the matching holes gt Fasten the case tightly with the screw Operating buttons Upper casing Screw 4 2 Assembly ZA WARNING Risk of electrical shock and fire if mounted in a damp environ ment gt Only mount the controller in an area where the ingress protection is sufficient see chapter 15 Technical data 4 2 1 Mounting the controller CAUTION Risk of injury and damage to the case when drilling gt Do not use the case as a drilling template gt Choose a suitable installation site gt Drill the upper fastening hole gt Screw in the screw gt Remove the upper case gt Hang the case in the recess gt Mark the position of the lower fastening holes gt Remove the case again gt Drill the lower fastening holes gt Hang the case in recess
80. mp R1 is switched on as soon as the switch on temperature difference between the external heat exchanger F1 T4 and the storage tank B1 T2 is reached The storage tank is loaded until the switch off temperature difference between the external heat exchanger F1 T4 and the storage tank B1 T2 is reached or until a safety limit is reached Description of the heating return increase the 3 way valve R3 in the heating return is switched on water flows through storage tank as soon as the switch on temperature difference between the storage tank B1 T3 and the heating return T5 is reached When the switch off tem perature difference T3 T5 is reached the 3 way valve R3 returns to its initial state Water does not flow through the storage tank NOTE When no voltage is on the system the switching valve R3 must be set in such a manner that water does not flow through the storage tank Loading strategy of storage tank loading pump R1 and solar circuit pump R2 in the factory target temperature control is chosen as the loading strategy for the storage tank B1 It can be adjusted or changed using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout A1 collector array B1 storage tank D1 wire bridge F1 external heat exchanger R1 storage tank loading pump R2 solar circuit pump R3 heating return increase switching valve T1 collector sen
81. n see chapter 7 3 1 vy Frost protection function activated see Activating a function see chapter 7 3 1 ZXcAUTION System can freeze despite the activated frost protection function e During a power outage frost protection function does not operate e Inthe event of a break or short circuit in a collector sensor or cable e During long term periods of frost due to restricted water tank heat storage e If collectors are mounted in locations exposed to wind gt If frost is expected for a long period of time only operate the system with heat transfer fluid It is recommended to generally use heat transfer fluid with anti freeze for solar energy systems 7 3 15 Anti legionella function The anti legionella function is a precautionary measure to safeguard drinking water hygiene For this purpose the controller monitors the temperature in storage tank 1 If the set temperature level was not reached within the past 24 hours by means of the solar feed then the content of the storage tank will be circulated at the set time by a pump This is designed to ensure that the temperature of the entire content of the storage tank is raised by back up heating Back up heating can be initiated through the second selected output If the heating system con trols have a corresponding integrated function then back up heating can also be performed on a stand alone basis In the case of stand alone back up heating it is important to ensure that t
82. n flashes in the display gt AV set the value gt SET press button to confirm gt The settings are saved Allocating inputs for temperature sensors gt V press button gt The display for setting the temperature inputs appears gt SET press button gt T flashes in the display input for supply temperature gt AV choose the desired input gt SET press button to confirm gt T flashes in the display input for return temperature gt AV choose the desired input gt SET press button to confirm 727 775 08 10 69 Determining the flow rate for the connected solar circuit pumps NOTE The following settings are only possible with the flow rate determina tion method Without flow sensor Y Flow rate determination method set to Without flow sensor gt V press button gt The display for setting the min max flow rate appears b gt gt SET press button eee gt The max value flashes in the display and the pump begins to On run at maximum speed gt The flow rate value must now be read at the pump assembly s flow _Psplay 3 6 4 rate display Flow rate gt AV enter the flow rate value gt SET press button to confirm gt The min value flashes in the display and the pump begins to run at minimum speed gt The flow rate value must now be read at the pump assembly s flow rate display gt AV enter the flow rate value gt SET press button to confirm
83. n dura tion gt AV set the wait time gt SET press button to confirm the wait time and close gt The settings are saved gt ESC leave the Circulation submenu 64 727 775 08 10 Display 3 1 4 Temperature controlled Display 3 1 4 1 on off Display 3 1 5 Pulse controlled Display 3 1 5 1 EN 7 3 3 Back up heating function A This function allows thermostatic control of an output for additional ISA heating of the solar storage tank using an oil or gas burner This function can also be limited to specific times by using additional time control Time control time switch with 3 time windows Temperature control when the temperature in the upper part of the storage tank falls below the on value then the output is switched on until the off temperature is reached Display 3 2 Back up heating Choosing the input and setting the temperature limits Functions submenu selected see Selecting a function see chapter 7 3 1 Y Back up heating activated see Activating a function see chapter 7 3 1 Y Outputs selected see Selecting an output see chapter 7 3 1 gt V press button The display for setting the temperature input and the on and off values appears gt SET press button gt T flashes in the display storage tank temperature input fon gt AV choose the desired input off gt SET press button to confirm gt Th
84. nction the solar circuit pump R3 is switched on as soon as the switch on temperature difference between the col lector array A1 T1 and one of the two storage tanks B1 B2 T2 T3 is reached When the switch off temperature difference between the collector array A1 T1 and the storage tanks B1 B2 T2 T3 or a safety limit is reached the solar circuit pump R3 is switched off again Display 2 2 7 When the switch on temperature difference between the external heat exchanger F1 T4 and one of the two storage tanks B1 B2 T2 T3 is reached the appropriate solar circuit pump R1 or R2 is switched on Both storage tanks B1 B2 are loaded one after the other according to the priority control chapter 7 5 Storage tank priority until either the relevant switch off temperature difference between the external heat exchanger F1 T4 and storage tanks B1 B2 T2 T3 is reached or a safety limit is reached Loading strategy of storage tank loading pumps R1 and R2 in the factory target temperature control is chosen as the loading strategy for the storage tanks B1 B2 It can be adjusted or changed using the Parameters menu chapter 7 4 Parameters Loading strategy of solar circuit pump R3 it is not possible to select whether temperature differential control or target temperature control is to be used as the loading strategy Solar circuit pump R3 operates according to the switch on and switch off temperature difference parameter va
85. nd alone operation with external heat exchanger intelligent pump control System 32 1 collector array 1 storage tank 1 swimming pool in stand alone operation with external heat exchanger intelligent valve control 7 2 5 Systems with two storage tanks and a swimming pool System 33 1 collector array 2 storage tanks 1 swimming pool in stand alone operation with external heat exchanger intelligent pump control System 34 1 collector array 2 storage tanks 1 swimming pool in stand alone operation with external heat exchanger intelligent valve control 7 2 6 Seasonal systems System 35 1 collector array 1 storage tank 1 swimming pool with external heat exchanger intelligent pump control System 36 1 collector array 1 storage tank 1 swimming pool with external heat exchanger intelligent valve control System 37 1 collector array 1 storage tank 1 swimming pool in stand alone operation with external heat exchanger intelligent pump control System 38 1 collector array 1 storage tank 1 swimming pool in stand alone operation with external heat exchanger intelligent valve control System 39 1 collector array 2 storage tanks 1 swimming pool in stand alone operation with external heat exchanger intelligent pump control System 40 1 collector array 2 storage tanks 1 swimmin
86. ng switch to auto Display has a red manual operation and the pump matic operation background output is set to on Tool symbol is visible on the display Solar pump is operating activation condition is fulfilled nevertheless no heat transport in the solar circuit no fluid circulation Secondary symptoms Possible cause Procedure The pump symbol in Air is in the solar circuit Check the solar circuit for air the display rotates The isolating valve is closed Check the isolating valve Limescale contamination on Flush clean the solar circuit solar circuit Secondary symptoms Possible cause Procedure Temperature difference too Adjust temperature difference in the small Parameters menu Collector sensor incorrectly Check the collector sensor positioned 11 2 Pt1000 temperature sensor values A potentially defective sensor can be checked using an ohmmeter To do this the sensor must be dis connected its resistance measured and the value compared with the figures in the table below Small deviations are acceptable emper 30 20 Ao fo io o Jo ao 50 fo 70 empoarta 80 50 100 140 120 130 rad 150 160 170 160 12 Information windows The following information windows are displayed whenever a function s settings are not complete activa tion of a function is not possible errors occur in the system or certain functions are currently activated Activation not possible Settings
87. nk 2 3 is reached storage tank 1 stor age tank 2 3 is not loaded until the temperature drops to 3 K below the defined maximum value Maximum pool temperature Factory Adjustable Adjustable up Description setting down to min to max 30 C 10 C 45 C When the maximum pool temperature is reached the swimming pool is not loaded until the temperature drops to 3 K below the defined maximum value Switch on temp difference solar 1 solar 2 and solar 3 Factory Adjustable Adjustable up Description setting down to min to max 8K Switch off tem 50 K When the switch on temperature difference be perature differ tween collector and storage tank is reached the ence 2 K storage tank is loaded Switch off temp difference solar 1 solar 2 and solar 3 Factory Adjustable Adjustable up Description setting down to min to max 4K OK Switch on When the switch off temperature difference temperature dif between collector and storage tank is reached load ference 2 K ing of the storage tank is stopped The difference between the switch on temperature difference and the switch off temperature difference must be at least 2 K and is barred from being set any lower Switch on temperature difference external heat exchanger Factory Adjustable Adjustable up Description setting down to min to max 6K When the switch on temperature difference between the secondary side of the external heat exchanger and the storag
88. nk B1 It can be adjusted or changed to target temperature control using the Parameters menu chapter 7 4 Param eters Loading strategy of solar circuit pump R1 for swimming pool in the factory the loading strategy for the swimming pool C1 is set to temperature differential control This cannot be altered Activating the system see chapter 7 2 Selecting a system Terminal layout A1 collector array 3 B1 storage tank C1 swimming pool D1 wire bridge F1 external heat exchanger R1 solar circuit pump R2 switching valve T1 collector sensor T2 sensor at bottom of storage tank T3 swimming pool sensor R3 n c n c D ae na X a D1 EN 7 2 6 Systems with two storage tanks and a swimming pool System 33 1 collector array 2 storage tanks Display 2 6 1 swimming pool in stand alone operation Storage tank swimming pool with external heat exchanger intelligent pump control Description of the solar function when the switch on temperature difference between the collector array A1 T1 and one of the two storage tanks B1 B2 T2 T3 or the swimming pool C1 T4 is reached the appropriate solar circuit pump R1 R2 or R3 is switched on Either Display 2 6 1 storage tank B1 storage tank B2 or the swimming pool C1 is loaded according to the priority control chapter 7 5 Storage tank prior
89. o the lower loading zone T2 Loading strategy of storage tank loading pump R1 and solar circuit pump R2 in the factory target temperature control is chosen as the loading strategy for the storage tank B1 It can be adjusted or changed using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout System 8 2 collector arrays east west roof b 1 storage tank Description of the solar function when the switch on temperature difference between the storage tank B1 T3 and one or the other of the collector arrays A1 A2 T1 T2 is reached then either solar circuit pump Display 2 1 8 R1 for collector array A1 T1 or solar circuit pump R2 for collector array A2 T2 is switched on depending on where the temperature difference occurs When the switch on temperature difference is reached for both collector arrays A1 A2 T1 T2 then both pumps R1 R2 are switched on When the switch off temperature difference between the collector array A1 A2 T1 T2 and the storage tank B1 T3 or a safety limit is reached the solar circuit pumps R1 R2 are switched off again Loading strategy of solar circuit pumps R1 and R2 in the factory temperature differential control is chosen as the loading strategy for the storage tank B1 It can be adjusted or changed to target temperature control u
90. off temperature differ ence between the collector array A1 T1 and storage tanks B1 B2 T2 T3 is reached or a safety limit is reached The storage tank loading pump R1 is switched on as soon as the switch on temperature difference between the external heat exchanger F1 T4 and the storage tank B2 T3 is reached The storage tank is loaded until the switch off temperature difference between the external heat exchanger F1 T4 and the storage tank B2 T3 is reached or until a safety limit is reached NOTE When no voltage is on the system the switching valve R3 must be set to storage tank B1 Loading strategy of storage tank loading pump R1 and solar cir cuit pump R2 for storage tank B2 in the factory target temperature control is chosen as the loading strategy It can be adjusted or changed using the Parameters menu chapter 7 4 Parameters Loading strategy of solar circuit pump R2 for storage tank B1 in the factory temperature differential control is chosen as the loading strategy It can be adjusted or changed to target temperature control using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout 4 5 6 Bee System 18 1 collector array 2 storage tanks with b external heat exchanger intelligent pump control Description of the solar fu
91. ol using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout EN System 14 1 collector array 2 storage tanks p intelligent valve control Description of the solar function when the switch on temperature dif ference between the collector array A1 T1 and one of the two storage tanks B1 B2 T2 T3 is exceeded the solar circuit pump R1 is switched Display 2 2 3 on and the switching valve R2 is set to the correct position depending on the storage tank to be loaded Both storage tanks B1 B2 are loaded one after the other according to the priority control chapter 7 5 Storage tank priority until either the relevant switch off temperature differ ence between the collector array A1 T1 and storage tanks B1 B2 T2 T3 is reached or a safety limit is reached NOTE When no voltage is on the system the switching valve R2 must be set to storage tank B1 Loading strategy of solar circuit pump R1 in the factory tempera ture differential control is chosen as the loading strategy for the storage tanks B1 B2 It can be adjusted or changed to target temperature con trol using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout A1 collector array B1 storage tank 1 B2 stor
92. on gt Time control is activated gt V press button gt The display for setting the duration appears gt SET press button The time value flashes in the display AV set the time value SET confirm the value and go to the next value gt The settings are saved v v NOTE The switch on time must always be before the switch off time There fore when the switch on value is being adjusted the switch off value will also be changed to a later time if necessary Adjusting the switch off value to a time before the switch on value is blocked EN 7 3 10 Time function This function allows a controller output to be controlled depending on a predefined time range Setting the time window VZ Functions submenu selected see Selecting a function see chapter 7 3 1 Y Time function activated see Activating a function see chapter 7 3 1 S Outputs selected see Selecting an output see chapter 7 3 1 gt V press button gt The display for setting the duration appears gt SET press button gt The time value flashes in the display gt AV set the time value gt SET confirm the value and go to the next value gt The settings are saved NOTE The switch on time must always be before the switch off time There fore when the switch on value is being adjusted the switch off value will also be changed to a later time if necessary Adjusting the switch off value to a time before the swi
93. on of the solar function when the switch on temperature difference between the swimming pool C1 T3 and one or the other of the collector arrays A1 A2 T1 T2 is reached then either solar circuit pump R1 for collector array A1 T1 or solar circuit pump R2 for collector array A2 T2 is switched on depending on where the temperature dif ference occurs When the switch on temperature difference is reached for both collector arrays A1 A2 T1 T2 then both pumps R1 R2 are switched on The pumps switch off independently of each other when either the relevant switch off temperature between one of the collector arrays A1 A2 T1 T2 and the swimming pool C1 T3 or a safety limit is reached Display 2 4 4 Loading strategy of solar circuit pumps R1 and R2 in the factory the loading strategies are set to temperature differential control These cannot be altered NOTE In the factory RPM control is deactivated for solar circuit pumps R1 and R2 This can be changed in the Parameters menu chapter 7 4 Param eters If RPM control is activated the loading strategy of solar circuit pumps R1 and R2 is set to temperature differential control This cannot be altered Activating the system see chapter 7 2 Selecting a system Terminal layout 4 e amp alee A1 collector array 1 iF A2 collector array 2 C1 swimming pool D1 wire bridge R1 solar circuit pump 1 R2 solar circuit pump 2 T1 collector sensor 1
94. ons a 89 AO BORIC Sot ached ates aai duaan ada aara Aa arao 90 11 Fault finding sas seos cs fae dette con tece tne sees sarees hee 90 11 1 Causes of DRO OPIS ssrscadsacc Aanceucsccaserondioxniadurccnexebcntennaanneantaas 90 11 2 Pt1000 temperature sensor ValUGCS cccccceeeeeeeeeeeeeeeteees 92 12 Information windows ccceeeeeeeeeee cette ee eeeene anes nannan nenene 93 TS Plausibility WAGICOS sentences rreerremversieetaiuctecmviometinns 97 14 Legal guarantee ainda Gen dieinniinnawien 98 15 Technical Gat acticin ee cote eee nice 99 15 1 Performance data oi tacasci ssc cetanendccuatopancenlensetenextensarsiuaawetccas 99 15 2 Parameter settings cco at cases ae eaten eea EER 100 15 3 Parameter values for functions cccceeeeeeeeeeeeeeeeteeeteees 102 16 NOTES tintin meine eran 107 Product information EC declaration of conformity This product conforms to the applicable European directives with regard to its design and its operating behaviour This conformity has been verified Further information in this regard can be obtained from your dealer 1 Safety 1 1 Proper usage The temperature difference controller hereinafter referred to as controller is an independently installed electronic temperature controller for on surface installation and may only be used for controlling solar thermal systems within the permissible ambient conditions see chapter 15 Technical data The controller must not b
95. opriate tool ZAM WARNING Risk of electrical shock and fire due to cables coming loose gt Install an external strain relief for the cables Feeding the cable through the lower side of the case gt Use an appropriate tool to cut the plastic flaps at the left and the right and break them out of the case gt Fasten cable at position with the provided plastic links 4 3 2 Connecting the cables gt If a protective conductor is provided or required for pumps valves connect it to the corresponding terminals of the controller When connecting the protective conductor observe the following points Make sure that the protective conductor is also connected to the controller s mains supply side Each terminal may only be connected to a single connecting wire max 2 5 mm gt The terminal screws are approved for connection of cables as fol gt lows single wire solid lt 2 5 mm fine strand with core end sleeves lt 1 5 mm2 Only use the original temperature sensors Pt1000 that are approved for use with the controller Observe the following points The polarity of the temperature sensor contacts is not important Do not lay sensor cables close to power cables minimum separation 100 mm If inductive effects are expected e g from power cables overhead wires transformer substations radio and television devices amateur radio stations microwave devices etc the senso
96. orage tank as soon as the switch on temperature difference between the storage tank B1 T4 and the heating return T5 is reached When the switch off tem perature difference T4 T5 is reached the 3 way valve R3 returns to its initial state Water does not flow through the storage tank NOTE When no voltage is on the system the switching valve R2 must be set to the lower loading zone T2 When no voltage is on the system the switching valve R3 must be set in such a manner that water does not flow through the storage tank Loading strategy of solar circuit pump R1 in the factory target tem perature control is chosen as the loading strategy for the storage tank B1 It can be adjusted or changed using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout A1 collector array B1 storage tank D1 wire bridge R1 solar circuit pump R2 zone loading switching valve R3 heating return increase switching valve T1 collector sensor T2 sensor at bottom of storage tank T3 storage tank zone loading sensor T4 heating return increase storage tank sensor T5 heating return sensor 4 System 7 1 collector array 1 storage tank with zone Display 2 1 7 A1 collector array B1 storage tank D1 wire bridge F1 external heat exchanger R1 storage
97. orted to the sensor The solar circuit is running in order to protect the collector from icing up Despite the fact that the pump is running the temperature difference between the collector and the external heat exchanger is too great gt Volume flow is too low Despite the fact that the pump is running the temperature difference between the external heat exchanger and the storage tank is too great gt Volume flow is too low Gravity circulation is causing the collec tor to be heated at night Solar circuit shows suspicious cycle behaviour The internal settings check has identified conflicting settings or double allocation of sensors The internal plausibility check has identified conflicting settings A sensor error has been detected Sensor cable is interrupted incorrectly connected or the sensor is possibly defective Check the solar circuit s hydraulics pump valves and shut off devices If necessary bleed the system open the shut off devices and flush out blockages Check the loading circuit s hydraulics pump valves and shut off devices If necessary bleed the system open the shut off devices and flush out blockages Check the gravity brake non return valve and the time set in the control ler Check the collector array s supply and return pipes and mount them correctly if applicable Check the function s time settings Double allocation of sensors is per mitte
98. ow gt AV set the minimum speed ee yes gt SET press button to confirm gt The settings are saved 4 Display 5 Storage priority j Display 5 1 off on EoD 15253 Display 5 2 7 5 Storage priority When a 2 storage tank system or a 3 storage tank system is selected the storage priority can also be specified If storage priority is activated the storage tank sequence can be defined If it is intended that one of the storage tanks is not to be loaded this tank can be removed from the storage priority When storage priority is deactivated the storage tanks will be loaded equally NOTE Special characteristic of seasonal systems In the case of these systems the storage priority cannot be activated Instead the storage priority load can be defined depending upon the season summer winter Control When storage priority is activated the controller primarily attempts to load the first priority storage tank However if this is initially impossi ble due to the collector temperature being too low preference is given to loading a second priority storage tank if possible In this event the controller conducts regular tests every 30 minutes in order to check whether it has become possible to load a first priority storage tank This test can take several minutes as the collector array must heat up suf ficiently On the basis of this heating process the controlle
99. pacity 128 MB approx 2 years Interval time 5 minutes memory capacity 1 GB approx 65 years Interval time 5 minutes memory capacity 128 MB approx 10 years If the memory capacity on the SD card is not sufficient for a new data collection then the oldest month folder including its contents is deleted so called ring buffer ring buffer appears instead of the display of the remaining days Errors that can occur in the connection with the SD card are shown by corresponding error displays See chapter 11 for description and meas ures 9 3 Formating Note that all the data stored on the card is deleted when you refor mat the card The manufacturer does not accept any responsibility for the loss of data 9 3 1 Formatting the SD card with the computer SD cards can be formatted with any standard PC or laptop with an appropriate reading point NOTE The SD card must be formatted with the FAT16 format This is equivalent to the FAT format in Windows XP 9 3 2 Formatting the SD card with the computer VZ Functions submenu selected see Selecting a function see chapter 7 3 1 Y Data logger activated see Activating a function see chapter 7 3 1 gt The message SD card not inserted is displayed gt Insert SD card gt If the following message is shown gt Permissible size max 2 GB Formatting FAT16 only the SD card must be formatted NOTE The SD card can only be formatted in the controller if this erro
100. pump control Description of the solar function when the switch on temperature difference between the collector array A1 T1 and the storage tank B1 T2 or the swimming pool C1 T3 is reached the appropriate solar circuit pump R1 or R2 is switched on The storage tank B1 and the swim ming pool C1 are loaded one after the other according to the priority control chapter 7 5 Storage tank priority until either the relevant switch off temperature difference between the collector array A1 T1 and storage tank swimming pool B1 C1 T2 T3 is reached or a safety limit is reached The swimming pool pump R3 is switched on as soon as the switch on temperature difference between the external heat exchanger F1 T4 and the swimming pool C1 T3 is reached When the switch off temperature difference between the external heat exchanger F1 T4 and the swim ming pool C1 T3 or a safety limit is reached the swimming pool pump R3 switches off Loading strategy of solar circuit pump R1 in the factory temperature differential control is chosen as the loading strategy for the storage tank B1 It can be adjusted or changed to target temperature control using the Parameters menu chapter 7 4 Parameters Loading strategy of solar circuit pump R2 in the factory the load ing strategy of solar circuit pump R2 is set to temperature differential control This cannot be altered Loading strategy of swimming pool pump R3 it is not possible to sele
101. r cables must be adequately screened Sensor cables may be extended to a maximum length of 100 m If adding extensions to sensor cables select the following cable cross sections 0 75 mm up to 50 m long 1 5 mm up to 100 m long Connect the cables in accordance with the terminal diagram see chapters 4 5 and 7 2 4 4 Dismantling A DANGER gt gt Risk of death by electrocution Remove the controller from the power supply before dismantling it To dismantle the controller follow the assembly instructions in the reverse order 4 5 Terminal diagram 4 5 1 Power connection e Please refer to the type plate on the case to determine the type of power supply required e The protective conductor must be connected e Cables conforming to at least type H05 VV NYM must be used G1 grid D1 wire bridge 4 5 2 Connection of the inputs e Inputs 1 5 for Pt1000 temperature sensor e Input 6 for Pt1000 temperature sensor or pulse generator for recording volume flow measuring heat quantities E1 input 1 E2 input 2 E3 input 3 E4 input 4 E5 input 5 E6 input 6 T6 T6 or pulse generator Inputs 1 5 temperature recording Inputs T1 T5 Temperature sensor Pt 1000 polarity irrelevant Input 6 recording temperatures and pulse values Temperature recording A L T6 Pt1000 temperature sensor polarity irrelevant Recording pulse v
102. r message is displayed Remain days Help ring buffer Help SD card error gt SD card not inserted SD card error Permissible size max 2 GB Formatting FAT16 only Format SD card Warning all data will be deleted EN gt Push the operating switch downwards position OFF gt The following message appears with the formatting prompt Format SD card Warning all data will be deleted Warning all data will be deleted gt SET press to start formatting ESC press to cancel gt SDMC formatting appears during formatting gt SDMC format OK appears after the formatting has been completed gt Push the operating switch back to the middle position Automatic position NOTE If formatting of the SD card fails the message SDMC format error appears in the display see information windows If no error message is displayed the controller starts automatically with the data recording see chapter 9 2 In the event of another error message see information windows chapter 12 9 4 Data evaluation The controller automatically creates the following folder structure on the SD card A separate folder is created on the SD card for every year This can con tain up to 12 month folders The day files are stored in the month fold ers The name of a day file is composed of the year month and day e g of 18 February 2008 200802
103. r predicts whether it is possible to load a first priority storage tank in a foreseeable period of time When storage priority is deactivated the controller begins if possible to load the coldest storage tank and loads it until its temperature exceeds that of the other storage tanks Loading then switches to the other stor age tank Thus the storage tanks are heated equally in an alternating manner Accessing storage priority gt SET press button for approx 2 sec gt AV select the menu item Storage priority Activating deactivating storage priority gt SET press button gt The display for activating on or deactivating off storage prior ity appears gt SET press button for approx 2 sec gt Storage priority is activated or deactivated Specifying storage priority if storage priority is acti vated gt V press button gt The display for setting the storage priority appears gt SET press button gt The storage priority flashes gt AV set the storage priority gt SET press button to confirm 727 775 08 10 83 EN 7 6 Language Accessing and selecting the language SET press button for approx 2 sec AV select menu item Language SET press button The language display appears SET press button The set language flashes AV select a language vivivvy gt SET press button to confirm 7 7 Factory settings Resetting the factory settings gt SET press button
104. r priority control The seasonal storage Display 2 7 5 priority control can be defined in the storage priority menu chapter 7 5 Storage priority The respective season is selected directly following the activation of a seasonal system To make it easier to switch between the seasons the season selection appears as the first item when the menu is selected see menu overview in chapter 7 Factory priority control setting e Summer storage tank 1 gt swimming pool e Winter storage tank 1 gt storage tank 2 Terminal layout see System 33 System 40 1 collector array 2 storage tanks 1 swimming pool in stand alone operation with external heat exchanger intelligent valve control Description of the solar function this system s controller function cor responds to System 34 The special feature of the seasonal system it is possible to switch with ease between summer and winter priority control The seasonal storage Display 2 7 6 priority control can be defined in the storage priority menu chapter 7 5 Storage priority The respective season is selected directly following the activation of a seasonal system To make it easier to switch between the seasons the season selection appears as the first item when the menu is selected see menu overview in chapter 7 Factory priority control setting e Summer storage tank 1 gt swimming pool e Winter storage tank 1 gt storage tank 2 Terminal layout see Sy
105. rage tank temperature input gt AV choose the desired input a gt SET press button to confirm gt The quick charge function s on value flashes in the display gt AV set the on value gt SET press button to confirm gt The off value flashes after confirmation of the on value gt AV set the off value gt SET press button to confirm gt The settings are saved NOTE When the on value is adjusted the off value is altered accordingly in order to maintain reliable quick charge functionality Display 3 4 2 EN 7 3 6 Bypass function This function allows the solar circuit to be bypassed using a switching valve In this way the collector circuit can be warmed before the storage tank is switched into the circuit This is especially useful in larger solar energy systems having a large volume of heat transfer fluid Display 3 5 In this conjunction the temperature ahead of the valve is monitored in Pieces the solar circuit The storage tank remains separated from the solar circuit until the solar circuit temperature has reached at least 15 C and the solar circuit tem perature is higher than the lower storage tank temperature It is only then that the storage tank is connected to the solar circuit If the solar circuit temperature falls to 10 C or if the solar circuit temperature lies below that of the storage tank then the bypass will once again be acti vated and the stora
106. rage tank top activated see Activating a function see chapter 7 3 1 gt V press button gt The display for selecting the storage tank and the corresponding temperature sensor appears gt SET press button gt The upper temperature sensor flashes in the display gt AV set the temperature sensor gt SET press button to confirm gt The storage tank selection flashes in the display gt AV set the storage tank gt SET press button to confirm NOTE There are two storage tank top settings available which are independ ent of one another 7 3 17 Data logger function With this function see chapter 9 the following controller data can be stored on an SD card Temperature of all sensors Flow rate of the volumetric flow meter Output current value of the heat meter Operating status of the outputs NOTE Only the data of the selected measurement values are stored Y Functions submenu selected see Selecting a function see chapter 7 3 1 Y Data logger activated see Activating a function see chapter 7 3 1 gt V press button Display for the selection of the temperature sensors appears NOTE The temperature sensors T1 to T6 can be selected here gt AV select a temperature sensor gt SET press button to confirm gt The selected temperature sensors are indicated gt V press button until the next page appears Display for the selection of additional measurement values
107. rd has been inserted SD card has been inserted but the data logger function has not yet been activated Controller accesses the SD card This may take a few seconds Controller has recognised the write protection on the SD card Controller is unable to access the SD card SD card has been formatted with the wrong format or has the wrong card size Use the SET button to start the format ting Caution all data on the SD card will be deleted Check connection and or sensor ca ble Possibly check sensor and sensor cable using an ohmmeter If this is not wanted loading can be reactivated via storage priority or season selection Wait until the collector has cooled sufficiently before setting these values In order to enable data to be stored on the SD card the SD card needs to be inserted into the controller see chapter 9 1 Activate the data logger function in order to store data on the SD card see chapter 7 3 17 a Write protection tab needs to be in the upper position as shown Use another SD card Make sure the card is not larger than 2 GB format the card with FAT16 95 OFF Controller performs the formatting SDMC formatting Formatting has failed Use another SD card Formatting has been successfully com pleted Controller stores the data on the SD 1000111010110 i ate lt gt card For calculation of the remaining Remain days
108. re difference is lower than the off value the solid fuel boiler temperature falls below the min value or the storage tank temperature reaches the max value Allocating inputs and setting storage tank solid fuel boiler temperature and switch on switch off tempera ture difference Y Functions submenu selected see Selecting a function see chapter 7 3 1 V V Solid fuel boiler activated see Activating a function see chapter 7 3 1 Y Outputs selected see Selecting an output see chapter 7 3 1 gt V press button gt The display for setting the temperature inputs and the switch on switch off temperature difference appears gt SET press button gt T flashes in the display storage tank temperature input gt AV choose the desired input gt SET press button to confirm gt T flashes in the display solid fuel boiler temperature input gt AV choose the desired input gt SET press button to confirm gt The on value flashes in the display gt AV set the on value gt SET press button to confirm gt The off value flashes after confirmation of the on value gt AV set the off value gt SET press button to confirm gt The settings are saved Programming the temperature limits of the solid fuel boiler and the storage tank gt V press button gt The display for setting the temperature limits for storage tank and solid fuel boiler appears gt SET press button gt max
109. recording Pt1000 or pulse recording Additional inputs 1 x Direct Sensor input flow rate and temperature Outputs 3 R1 and R2 TRIAC output for RPM control max switching current 1 1 A AC R3 relay switched output max switching current 3 47 A AC Additional outputs 1 x alarm output A A potential free contact for SELV max 42 V max 2 A Number of pre defined hydraulic 40 schemes Interfaces RS232 and RS485 Ingress protection IP 20 DIN 40050 Permitted ambient temperature 0 to 45 C Display animated graphic LCD with backlighting Dimensions L x W x H mm 170 x 170 x 46 Type of action Type of fastening for permanently con nected cables Intended transport condition Ball pressure test temperature 15 1 Performance data type 1B Output Power Fuse 250 W 230 VAC 125 W 115 VAC Internal fuse 2 5 AT 250 V orT 2 5 A H 250 W 230 VAC 125 W 115 VAC 250 V Littelfuse 21502 5 i 800 W 230 VAC 400 W 115 VAC Internal fuse 4 A T 250 V orl 4A H 250 V Littelfuse 215004 A DANGER Risk of death by electrocution Fuses may only be changed after disconnection from the power supply and by trained professional personnel EN 15 2 Parameter settings Maximum temperature storage tank 1 storage tank 2 and storage tank 3 Factory Adjustable Adjustable up Description setting down to min to max 60 C 0 C 95 C When the maximum temperature of storage tank 1 storage ta
110. rol when the circulation function is requested via a pulse e g from a flow switch the pump runs for the set circulation duration Subsequently no further requests are accepted until the set wait time has expired Activating time control vZ Functions submenu selected see Selecting a function see chapter 7 3 1 v Circulation activated see Activating a function see chapter 7 3 1 V Outputs selected see Selecting an output see chapter 7 3 1 gt V press button gt The Time controlled display appears gt SET press button gt Time control is activated gt V press button The display for setting the duration appears gt SET press button gt The time flashes in the display gt AV set the duration gt SET confirm the value and go to the next value gt The settings are saved NOTE The switch on time must always be before the switch off time There fore when the switch on value is being adjusted the switch off value will also be changed to a later time if necessary Adjusting the switch off value to a time before the switch on value is blocked 727 775 08 10 63 EN Activating temperature control y Functions submenu selected see Selecting a function see chapter 7 3 1 vy Circulation activated see Activating a function see chapter 7 3 1 Y Outputs selected see Selecting an output see chapter 7 3 1 gt V press button gt The Temp controlled display appears
111. rs the outputs running times and additionally set functions by using the operating buttons arrow up and arrow down Other symbols provide information on the condition of the solar energy system The various symbols are displayed as soon as additional functions are activated or when values exceed or fall below parameter values The display screen below shows all symbols simultaneously as an example In practice they appear in various combinations Symbol for solar circuit s switch on condition Symbol for the activated holiday recooling fulfilled function Symbol for maximum collector temperature Symbol max for maximum storage tank reached and swimming pool temperature reached Symbol for the currently selected temperature sensor Symbol for swimming pool Symbol for stand alone operation of the Symbol for the solar circuit lara swimming pool loading circuit Symbol for the storage tank Symbol for external heat exchanger Symbol off for deactivated storage tank Symbol for 3 way switching valve SLL CO O gt OOOO O Display of the current measured value such as temperature values and outputs operating hours Symbol for pump Symbol for the activated frost protection function EN 8 1 Status display Switching the display screen gt AV press button gt The following values and displays appear one after another e The temperature sensors of the system set and the corresponding current temperature
112. s Temperature differential control storage tank 1 5 K lt switch off temperature differ ence 1 system with external heat exchanger Temperature differential control storage tank 1 5 K lt switch off temperature differ ence 2 system with 2 collector arrays and external heat exchanger Temperature differential control storage tank 2 5 K lt switch off temperature differ ence 2 system with external heat exchanger P18 Target temperature control storage tank 1 5 K lt minimum collector temperature system with external heat exchanger P4 P5 P7 P10 11 P Target temperature control storage tank 1 5 K gt maximum collector temperature system with external heat exchanger Target temperature control storage tank 2 5 K lt minimum collector temperature system with external heat exchanger Target temperature control storage tank 2 5 K gt maximum collector temperature system with external heat exchanger R22 Target temperature control storage tank 1 lt minimum temperature loading circuit 1 P 23 Target temperature control storage tank 1 gt maximum temperature loading circuit 1 P 24 Target temperature control storage tank 2 lt minimum temperature loading circuit 1 P19 P 20 P21 EN Target temperature control storage tank 2 gt maximum temperature loading circuit 1 Target temperature control storage tank 2 lt minimum temperature loading circuit 2 Target temperature control storage tank 2 gt
113. sen as the loading strategy for the storage tank B1 It can be adjusted or changed to target temperature control using the Parameters menu chapter 7 4 Parameters Display 2 1 1 Activating the system see chapter 7 2 Selecting a system Terminal layout A1 collector array NL RT N R2 Nae e R3 B1 storage tank D1 wire bridge R1 solar circuit pump T1 collector sensor T2 sensor at bottom of storage tank System 2 1 collector array 1 storage tank gt heating return increase Description of the solar function the solar circuit pump R1 is switched on as soon as the switch on temperature difference between the col lector array A1 T1 and the storage tank B1 T2 is reached When the switch off temperature difference between the collector array A1 T1 and the storage tank B1 T2 or a safety limit is reached the solar circuit pump R1 is switched off again Display 2 1 2 Description of the heating return increase the 3 way valve R2 in the heating return is switched on water flows through storage tank as soon as the switch on temperature difference between the storage tank B1 T3 and the heating return T4 is reached When the switch off tem perature difference T3 T4 is reached the 3 way valve R2 returns to its initial state Water does not flow through the storage tank NOTE
114. set to the correct position depending on the storage tank to be loaded Both storage tanks B1 B2 are loaded one after the other according to the priority control chapter 7 5 Storage tank priority until either the relevant switch off temperature difference between the collector array A1 A2 T1 T2 and storage tanks B1 B2 T3 T4 is reached or a safety limit is reached NOTE When no voltage is on the system the switching valve R2 must be set to storage tank B1 Display 2 2 9 Loading strategy of solar circuit pumps R1 and R2 in the factory temperature differential control is chosen as the loading strategy for the storage tanks B1 B2 It can be adjusted or changed to target tempera ture control using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout rA Fy Gy 6p Gy A1 collector array 1 A2 collector array 2 B1 storage tank 1 B2 storage tank 2 D1 wire bridge R1 solar circuit pump 1 R2 solar circuit pump 2 R3 switching valve T1 collector sensor 1 T2 collector sensor 2 T3 sensor at bottom of storage tank 1 T4 sensor at bottom of storage tank 2 N L N RT N R2 N nd 230 V Display 2 3 Storage tank Display 2 3 1 A1 collector array B1 storage tank 1 B2 storage tank 2 B3 storage tank
115. sibility and liability for loss damage or costs which result from or are in any way related to incorrect installation improper operation incorrect execution of installa tion work and incorrect usage and maintenance Similarly we assume no responsibility for patent right or other right infringements of third parties caused by usage of this controller The manufacturer reserves the right to make changes to the product technical data or installation and operating instructions without prior notice EN 2 Case overview Display Display for controller operation and system settings Operating switch The following modes of operatio can be selected Operating buttons Manual i lt Arrow up for commissioning for scrolling up through the menus and testing for function SET button Automatic confirmation or activation of a value for automatic operation ESC button Off escape key for switching off Arrow down the outputs for scrolling down through the menus T Ey lt Manual lt Automatic lt off Fuses see chapter 15 Replacement fuses see chapter 15 Power connection Outputs Inputs Strain relief RS232 and RS485 interface alarm output Direct Sensor output 6 727 775 08 10 3 About this manual 3 1 Applicability This manual describes the installation commissioning oper
116. sing the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout A1 collector array 1 A2 collector array 2 B1 storage tank D1 wire bridge R1 solar circuit pump 1 R2 solar circuit pump 2 T1 collector sensor 1 T2 collector sensor 2 T3 sensor at bottom of storage tank R3 29 9 D 9 G nc n c 4 System 9 2 collector arrays east west roof Display 2 1 9 collector array 1 collector array 2 storage tank wire bridge solar circuit pump 1 solar circuit pump 2 heating return increase switching valve collector sensor 1 collector sensor 2 sensor at bottom of storage tank heating return increase storage tank sensor heating return sensor 1 storage tank heating return increase Description of the solar function when the switch on temperature difference between the storage tank B1 T3 and one or the other of the collector arrays A1 A2 T1 T2 is reached then either solar circuit pump R1 for collector array A1 T1 or solar circuit pump R2 for collector array A2 T2 is switched on depending on where the temperature difference occurs When the switch on temperature difference is reached for both collector arrays A1 A2 T1 T2 then both pumps R1 R2 are switched on When the s
117. sor T2 sensor at bottom of storage tank T3 heating return increase storage tank sensor T4 external heat exchanger sensor T5 heating return sensor 4 System 5 1 collector array 1 storage tank with zone Display 2 1 5 collector array storage tank wire bridge solar circuit pump zone loading switching valve collector sensor sensor at bottom of storage tank storage tank zone loading sensor loading Description of the solar function the solar circuit pump R1 is switched on as soon as the switch on temperature difference between the col lector array A1 T1 and the storage tank B1 T2 is reached When the switch off temperature difference between the collector array A1 T1 and the storage tank B1 T2 or a safety limit is reached the solar circuit pump R1 is switched off again Description of the zone loading the zone loading valve R2 is switched on loading of the upper storage tank zone as soon as the temperature difference between the collector array A1 T1 and the upper loading zone T3 has reached the switch on temperature difference When the switch off temperature difference or a safety limit is reached or the solar circuit pump R1 is switched off the zone loading valve R2 switches off NOTE When no voltage is on the system the switching valve R2 must be set to the lower loading zone
118. stem 34 EN 7 3 Functions Additional controller settings can be made by using the Functions sub menu The following submenus can be opened using the Functions menu item e Circulation 7 3 2 e Back up heating 7 3 3 e Solid fuel boiler 7 3 4 e Quick charge 7 3 5 e Bypass 7 3 6 e Heat quantity 7 3 7 e Thermostat 7 3 8 e Difference thermostat 7 3 9 e Time function 7 3 10 e Interval 7 3 11 e Stagnation reduction 7 3 12 e Holiday function recooling 7 3 13 e Frost protection 7 3 14 e Anti legionella function 7 3 15 e Display storage tank top 7 3 16 e Data logger 7 3 17 e Alarm output 7 3 18 An overview of the factory settings and the ranges of possible settings can be found in the table in chapter 15 3 Parameter values for func tions 7 3 1 Accessing a function Before making settings within a function you must perform the follow ing steps Selecting a function gt SET press button for approx 2 sec gt AV select the menu item Functions gt SET open the submenu Functions gt AV selecting a function Activating deactivating a function gt SET press button gt The display for activating on or deactivating off the function is shown gt SET press button for approx 2 sec gt The function is activated or deactivated NOTE An information window is displayed if the function cannot be activated see chapter 12 Information windows Selecting an output gt
119. t SET press button gt The display for setting the temperature differential control or target temperature control appears Display 4 21 loading strategy of storage tank 1 dT 8K 60 C Choosing loading strategy between temperature dif ferential control and target temperature control gt SET press button for approx 2 sec gt gt Select either temperature differential control dT or target tem perature control T Setting the temperature differential value or target temperature value gt SET press button gt The temperature differential value flashes in the display e g dT 8 K gt AV set the temperature differential value gt SET press button to confirm gt The target temperature value flashes in the display e g T 60 C gt AV set the target temperature value gt SET press button to confirm gt The settings are saved Display 4 21 Settings window 7 4 3 Setting the RPM control parameters v Access the RPM control parameters see chapter 7 4 1 gt SET press button gt The display for activating yes or deactivating no the RPM RAR AA control is shown RPM control Activating or deactivating the RPM control pump R1 gt SET press button for approx 2 sec gt Choose between yes and no for RPM control Setting the minimum speed gt SET press button The min RPM value flashes Display 4 24 Settings wind
120. tank swimming pool wire bridge external heat exchanger solar circuit pump 1 solar circuit pump 2 collector sensor sensor at bottom of storage tank swimming pool sensor EN System 31 1 collector array 1 storage tank 1 swimming pool in stand alone operation with external heat exchanger intelligent pump control Description of the solar function when the switch on temperature difference between the collector array A1 T1 and the storage tank B1 T2 or the swimming pool C1 T3 is reached the appropriate solar cir cuit pump R1 or R2 is switched on Either storage tank B1 or the swim ming pool C1 is loaded according to the priority control chapter 7 5 Storage tank priority until either the relevant switch off temperature difference between the collector array A1 T1 and storage tank swim ming pool B1 C1 T2 T3 is reached or a safety limit is reached The swimming pool pump is controlled externally Loading strategy of solar circuit pump R1 in the factory temperature differential control is chosen as the loading strategy for the storage tank B1 It can be adjusted or changed to target temperature control using the Parameters menu chapter 7 4 Parameters Loading strategy of solar circuit pump R2 it is not possible to select whether temperature differential control or target temperature control is to be used as the loading strategy Solar circuit pump R2 operates according to the swi
121. tch on and switch off temperature difference parameter values Activating the system see chapter 7 2 Selecting a system Terminal layout N ne ne R3 1 3 Lo nc ne X ja ofa Sel ope pe EN System 32 1 collector array 1 storage tank 1 swimming pool in stand alone operation with external heat exchanger intelligent valve control Description of the solar function when the switch on temperature difference between the collector array A1 T1 and the storage tank B1 T2 or the swimming pool C1 T3 is reached the solar circuit pump R1 is switched on and the switching valve R2 is set to the correct position depending on the storage tank swimming pool to be loaded Either stor age tank B1 or the swimming pool C1 is loaded according to the prior ity control chapter 7 5 Storage tank priority until either the relevant switch off temperature difference between the collector array A1 T1 and the storage tank B1 T2 or swimming pool C1 T3 is reached or a safety limit is reached The swimming pool pump is controlled exter nally NOTE When no voltage is on the system the switching valve R2 must be set to storage tank B1 Display 2 5 4 Loading strategy of solar circuit pump R1 for storage tank in the factory temperature differential control is chosen as the loading strat egy for the storage ta
122. tch on value is blocked 7 3 11 Interval function With some types of collector the collector s construction does not allow the temperature to be recorded at the appropriate location In these cases the solar circuit must be briefly activated at regular intervals to transmit the actual heat from the collector pipe to the collector sen sor When the interval function is activated the controller automatically switches the pump on according to the settings Setting the interval function Y Functions submenu selected see Selecting a function see chapter 7 3 1 vZ Interval activated see Activating a function see chapter 7 3 1 gt V press button gt The display for setting a time window the interval time and the test time appears gt SET press button gt The time window s start time flashes in the display gt AV set the start time gt SET confirm the value and go to the next value After confirmation of the time window the Interval duration the time between the tests flashes gt AV set the interval duration gt SET press button to confirm gt After confirmation of the Interval duration the Test duration duration for which the pump is switched on flashes gt AV set the test duration 74 727 775 08 10 male Display 3 9 Time function 00 00 00 00 00 00 00 00 O S4 00 00 00 00 Display 3 9 3 Display 3 10 Interval Display
123. tched on Both storage tanks B1 B2 are loaded one after the other according to the priority control chapter 7 5 Storage tank priority until either the relevant switch off temperature difference between the collector array A1 T1 and storage tanks B1 B2 T2 T3 is gt reached or a safety limit is reached Loading strategy of solar circuit pumps R1 and R2 in the factory temperature differential control is chosen as the loading strategy for the storage tanks B1 B2 It can be adjusted or changed to target tempera Display 221 ture control using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout kak A dk 9 9 G A1 collector array ne nc X ja ja ja B1 storage tank 1 I T ia i B2 storage tank 2 S D1 wire bridge R1 solar circuit pump 1 R2 solar circuit pump 2 T1 collector sensor T2 sensor at bottom of storage tank 1 T3 sensor at bottom of storage tank 2 M pE mare 4 System 13 1 collector array 2 storage tanks heating Display 2 2 2 Al storage tank 1 B2 D1 solar circuit pump 1 R2 R3 mi sensor at bottom of storage Usk T4 T5 collector array storage tank 2 wire bridge solar circuit pump 2 heating return increase switching valve collector sensor tank 1 sensor at
124. temperature difference 6K Switch off 80 K temperature difference 2 K Switch off temperature difference 3K OK Switch on temperature difference 2 K Maximum heat source temperature 100 C Minimum 180 C source temperature 2 K Minimum heat source temperature 0 C 0 C Maximum source temperature 2K Temperature limit heat target Time controlled 00 00 23 59 Programming a time period which goes beyond midnight 24 00 is not possible Time function Factory Adjustable Adjustable up setting down to to max min Time controlled 00 00 23 59 Programming a time period which goes beyond midnight 24 00 is not possible Interval Factory Adjustable Adjustable up setting down to to max min Interval time Test on time Time controlled Holiday function recooling Factory Adjustable Adjustable up setting down to to max min Minimum storage tank temperature Comment Comment Programming a time period which goes beyond midnight 24 00 is not possible Comment 35 C 0 C 95 C If possible the storage tank is cooled down to the defined minimum temperature at night 01 01 2007 31 12 2099 Programming a time period which goes beyond midnight 24 00 is not possible Anti legionella function Factory Adjustable Adjustable up setting down to to max min Set temperature of the daily heating 60 C 60 C 75 C Comment Storage t
125. the hysteresis Switch off temperature Switch on Switch on temperature temperature 2K 10 K Heat quantity Factory Adjustable Adjustable up Comment setting down to to max min Pulse value for recording flow rate with a pulse generator 25l Imp 10l Imp 1l Imp 10 Imp l 20 Imp l 50 Imp l 100 Imp l 200 Imp l 300 Imp l 400 Imp I 500 Imp l 600 Imp I 700 Imp l 800 Imp I 900 Imp l 1000 Imp l Recording flow rate with Grundfos sensor type Direct Sensor n VFS 1 20 VFS 2 40 VFS 5 100 VFS 10 200 Glycol content on o e S o Flow rate value for recording flow rate without a flow rate sensor Flow rate value for maximum pump speed The flow rate value for the maximum pump speed must be greater than the flow rate value for the minimum pump speed Flow rate value for minimum pump speed The flow rate value for the maximum pump speed must be greater than the flow rate value for the minimum pump speed Thermostat Factory Adjustable Adjustable up Comment setting down to to max min Temperature controlled Switch on temperature The on and off values can be set independently of each other Switch off temperature Time controlled 00 00 23 59 Programming a time period which goes beyond midnight 24 00 is not possible Difference thermostat Factory Adjustable Adjustable up Comment setting down to to max min Temperature controlled Switch on
126. ther function is to be retained this func tion cannot be used Settings which are still needed and which must be configured anew must be noted down in advance Check frost protection concept In swimming pool systems these functions must be dispensed with The setting is not required with this 93 o System stopped al due to priority test Solar circuit running due to interval test Thermal frost protection is active Volume flow fault solar circuit check hydraulics Air in system Volume flow fault secondary circuit check hydraulics Air in system o Night circulation detected Check non return valves and the time set Collector connections may be wrong way round Check hydraulics Info double allocation conflicting settings Plausibility check gt user manual P36 Fault detected in sensor or sensor cable Sensor cable interrupted or no sensor connected The solar circuit has stopped because the controller is conducting a priority test This test checks whether instead of the second priority storage tank the first priority storage tank could also be loaded This test can take several minutes as the collector array must heat up sufficiently Solar circuit is running due to interval test The collector s heat transfer fluid is be ing transp
127. ues for functions Circulation Factory Adjustable Adjustable up to Comment setting down to min max Time controlled 00 00 23 59 Programming a time period which goes beyond midnight 24 00 is not possible Temperature controlled Switch on temperature 30 C 0 C Switch off temperature 2 K Switch off temperature Switch on 95 C temperature 2 K Pulse controlled Circulation time 2min mm om SS Wait time omin Jomin emm SS Back up heating Factory Adjustable Adjustable up Comment setting down to to max min Temperature controlled Switch on temperature 55 C 0 C Switch off temperature 2 K Switch off temperature 60 C Switch on 95 C temperature 2 K Time controlled 00 00 23 59 Programming a time period which goes beyond midnight 24 00 is not possible Solid fuel boiler Factory Adjustable Adjustable up Comment setting down to to max min Temperature controlled Switch on temperature difference 6K Switch off 20 K temperature difference 2 K Switch off temperature difference Switch on temperature difference 2 K Maximum heat target temperature Minimum heat source temperature se foe foe SOS Quick charge Factory Adjustable Adjustable up Comment setting down to to max min Temperature controlled Switch on temperature 50 C 0 C 95 C The switch off temperature is adjusted according to
128. ve control 4 Description of the solar function this system s controller function cor responds to System 30 The special feature of the seasonal system it is possible to switch with ease between summer and winter priority control The seasonal storage priority control can be defined in the storage priority menu chapter 7 5 Storage priority The respective season is selected directly following the activation of a seasonal system To make it easier to switch between the seasons the season selection appears as the first item when the menu is selected see menu overview in chapter 7 Display 2 7 2 Factory priority control setting e Summer storage tank 1 gt swimming pool e Winter only storage tank 1 Terminal layout see System 30 EN System 37 1 collector array 1 storage tank 1 swimming pool in stand alone operation with external heat exchanger intelligent pump control Description of the solar function this system s controller function cor responds to System 31 The special feature of the seasonal system it is possible to switch with ease between summer and winter priority control The seasonal storage priority control can be defined in the storage priority menu chapter 7 5 Storage priority The respective season is selected directly following the activation of a seasonal system To make it easier to switch between the seasons the season selection appears as the first item when the menu is select
129. ware version number and the number of the chosen system The display is lit with a red background In OFF mode all outputs R1 R2 R3 are switched off NOTE On delivery from the manufacturer the switch is set to OFF 6 2 Automatic mode CAUTION Damage to pump caused by dry operation The controller may only be set to Automatic when the system has been filled gt In order to switch the outputs to Automatic slide the operating switch to the middle position gt The status appears in the display This mode of operation is the automatic controller mode and must be set for automatic operation NOTE gt During normal system operation the operating switch should always be set to Automatic 6 3 Manual mode CAUTION Damage to pump caused by dry operation The controller may only be set to Manual when the system has been filled When operating the device for the first time or when testing the func tion the controller outputs can be manually switched gt In order to switch the outputs manually slide the operating switch up The display is backlit in red and a settings window is displayed gt AV selecting an output gt SET switch the selected output to on or off gt ESC close the settings window gt The current recorded values can now also be queried for the purpose of checking gt AV access measured values gt SET reopen the settings window 18 727 775 08 10
130. witch off temperature difference between the collector array A1 A2 T1 T2 and the storage tank B1 T3 or a safety limit is reached the solar circuit pumps R1 R2 are switched off again Description of the heating return increase the 3 way valve R3 in the heating return is switched on water flows through storage tank as soon as the switch on temperature difference between the storage tank B1 T4 and the heating return T5 is reached When the switch off tem perature difference T4 T5 is reached the 3 way valve R3 returns to its initial state Water does not flow through the storage tank NOTE When no voltage is on the system the switching valve R3 must be set in such a manner that water does not flow through the storage tank Loading strategy of solar circuit pumps R1 and R2 in the factory temperature differential control is chosen as the loading strategy for the storage tank B1 It can be adjusted or changed to target temperature control using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout System 10 2 collector arrays east west roof b 1 storage tank with external heat exchanger Description of the solar function when the switch on temperature difference between the storage tank B1 T3 and one or the other of the collector arrays A1 A2 T1 T2 is rea

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