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Installation and operating instructions EN

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1. The collector is in a stagnant state pump starts are blocked in order to prevent damage Wait until the collector has cooled sufficiently before setting these values 69 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 P1 Maximum temperature storage tank 1 switch on temperature difference 1 gt maximum collector temperature P2 Maximum pool temperature switch on temperature difference 2 gt maximum collector temperature 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 P4 Maximum temperature storage tank 1 switch on temperature difference 2 gt maxi mum collector temperature system with 2 collector arrays P5 Temperature differential control storage tank 1 lt switch off temperature difference 1 P6 Temperature differential control storage tank 1 lt switch off temperature difference 2 system with
2. 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 inde pendent of one another Display 3 13 2 3 Storage tank Display 3 14 Alarm output Alarm if O Sensor error O Int clock failure O System error Display 3 14 1 Alarm if O Night circulation O Piping error Display 3 14 2 System error Volume flow fault in solar circuit or secondary circuit see chapter 12 Night circula Gravity circulation causes the collector to be tion heated at night see chapter 12 Piping error Collector pipes may be wrong way EN 8 3 15 Alarm output function 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 For connection of the alarm output see chapter 4 5 4 vy Functions submenu selected see Selecting a function see chapter 8 3 1 gt V press button gt The error selection display appears gt AV select an error type gt SET press button to confirm gt The selected errors are indicated Definition of error
3. Systems with two System 6 1 collector array 2 storage tanks intelligent 8 2 2 storage tanks pump control System 7 1 collector array 2 storage tanks intelligent valve control Systems with a swimming System 8 1 collector array 1 swimming pool 8 2 3 pool System 9 1 collector array 1 swimming pool with external heat exchanger System 10 1 collector array 1 swimming pool in stand alone operation with external heat exchanger System 11 2 collector arrays east west roof 1 swimming pool System 12 2 collector arrays east west roof 1 swimming pool in stand alone operation with external heat exchanger Systems with one storage System 13 1 collector array 1 storage tank 1 swimming 8 2 4 tank and a swimming pool in stand alone operation with external heat pool exchanger intelligent pump control System 14 1 collector array 1 storage tank 1 swimming pool in stand alone operation with external heat exchanger intelligent valve control 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 Dbl gt SET press button for approx 2 sec gt AV select the menu item Systems i Op gt SET open the submenu System groups Display gt AV Select a system group
4. a es z Display 2 4 Storage tank swimming pool Display 2 4 1 A1 collector array B1 Giz D1 File R1 R2 We T2 Ta storage tank swimming pool wire bridge external heat exchanger solar circuit pump 1 solar circuit pump 2 collector sensor lower area of storage tank sensor swimming pool EN 8 2 4 Systems with one storage tank and a swim ming pool System 13 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 8 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 storage tank B1 It can be adjusted or changed to target temperature control using the Parameters menu chapter 8 4
5. Thermal frost protection is active Ho Ho Volume flow fault solar circuit check hydraulics Air in system 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 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 Eo Volume flow fault secondary circuit check hydraulics Air in system 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 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 Night circulation AL detected Check non return valves and the time set Gravity circulation is causing the collec tor to be heated at night Check the gravity brake non return valve and the time set in the control ler 68 729 872 Collector connections may be wrong way round Check hydraulics Ho Solar circuit shows suspicious cycle behaviour Check the collector arra
6. 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 44 729 872 08 49 Display 3 1 Circulation Display 3 1 3 Time controlled 06 00 08 00 12 00 13 30 18 00 20 00 Display 3 1 3 1 Display 3 1 4 Temp controlled f o gt ET 8f L J GSH Display 3 1 4 1 on off Display 3 1 5 Pulse controlled Input lt 4 Circulation 2 min Wait time 10 min Display 3 1 5 1 EN Activating temperature control vy Functions submenu selected see Selecting a function see chapter 8 3 1 Circulation activated see Activating a function see chapter 8 3 1 Outputs selected see Selecting an output chapter 8 3 1 gt V press button gt The Temp controlled display appears 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 g
7. 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 again The swimming pool pump R2 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 swim ming pool C1 T2 or a safety limit is reached the swimming pool pump R2 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 Loading strategy of swimming pool pump R2 It is not possible to select whether temperature differential control or target temperature control is to be used as the loading strategy Swimming pool loading pump R2 operates according to the switch on and switch off tempera ture difference parameter values Activating the system see chapter 8 2 Selecting a system Terminal layout System 10 1 collector array gt 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
8. gt V press button gt 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 func tions 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 proportion 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 Display 3 5 3 hot cool 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 729 872 08 49 49 EN Determining the flow rate for the connected solar circuit pumps NOTE The fo
9. ture 40 F Adjustable up to max 266 F Description When the temperature on the secondary side in the heat exchanger reaches 6 F below the defined maximum value the solar circuit pump is switched off and the storage tank loading pump continues to run When the temperature drops back down to 20 F 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 Factory setting 32 F Adjustable down to min 32 F Adjustable up to max Maximum temperature loading circuit 40 F Description The storage tank loading pump is not switched on until the temperature on the secondary side of the heat exchanger has reached the defined minimum temperature Loading strategy storage tank 1 and storage tank 2 Factory setting Adjustable down to min Adjustable up to max Temperature differential control 16 F 4F 100 F Target temperature control 140 F 32 F 203 F Description It is possible to choose between temperature dif ferential loading and target temperature load ing Depending on the selected loading strategy the controller either attempts to comply with the defined temperatur
10. 2 3 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 tank B1 It can be adjusted or changed to target temperature control using the Parameters menu chapter 8 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 8 2 Selecting a system Terminal layout A1 collector array B1 storage tank C1 swimming pool D1 wire bridge F1 external heat exchanger R1 solar circuit pump R2 switching valve T1 collector sensor T2 lower area of storage tank T3 sensor swimming pool Display 3 Function on off O I Time function off on R Sample display 8 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 8 3 2 e Back up heating 8 3 3 e Solid fuel boiler 8 3 4 e Quick charge 8 3 5 e Heat quantity 8 3 6 e Thermostat 8 3 7 e Difference thermostat 8 3 8 e Time function 8 3 9 e Interval 8 3 10 e Stagnation reduction 8 3 11 e Holiday function recooli
11. RPM control the controller output s RPM control must be deactivated see chapter 8 4 3 Setting the RPM control parameter R1 output 1 R2 output 2 D1 wire bridge R1 output 1 R2 output 2 D1 wire bridge R1 output 1 R2 output 2 Output R2 switched output or potential free output e Switched output option 115 VAC via electromechanical relay max switching current see type plate wire bridge must be con nected bbaaaaa gogaggagg e Potential free output via electromechanical relay wire bridge must be removed A DANGER Risk of death by electrocution gt In the event of use as a potential free output it must be ensured that the connections cannot come into contact with the mains voltage PPAAAAAr BERGE R2 5 5 5 Connection of outputs R1 and R2 for Model B cY Hod a es L Power cord o Outputs R1 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 8 4 3 Setting the RPM control parameters Output R2 switched output or potential free output e Switched output via electromechanical relay max switching cur rent see type plate wire bridge must be connec
12. Systems gt SET press button to confirm gt AV select a system gt gt SET press button to confirm gt In the display a small checkmark appears below the item number which confirms that the system is selected Sample display gt ESC exit the Systems menu item p v Sample display 28 a 4 8 2 1 Systems with one storage tank n0 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 collec Storage tank tor array A1 T1 and the storage tank B1 T2 is reached When the switch off temperature difference between collector array A1 T1 and storage tank B1 T2 or a safety limit is reached the solar circuit pump R1 is switched off again 4 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 8 4 Parameters Display 2 1 1 Activating the system see chapter 8 2 Selecting a system Terminal layout A1 collector array B1 storage tank D1 wire bridge R1 solar circuit pump T1 collector sensor T2 lower area of storage tank nc ne L jnc nc D1 EN
13. The hours of operation logger is displayed Resetting the operating hours y Operating hours called up gt SET press button for approx 2 sec 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 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 However if you would like to use newer controller software or if an update is recommended for technical reasons please contact your dealer for further information 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 of problems should help the installer and operator to isolate the problem so that the system ca
14. V or T 1 6 A H 250 V Littelfuse 21501 6 1 0HP 800W 240V 0 5HP 400W 120V Internal fuse 4 A T 250 V or T 4 A 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 15 2 Parameter settings Maximum temperature storage tank 1 and storage tank 2 Factory Adjustable Adjustable Description setting down to up to max min 140 F 32 F 203 F When the maximum temperature of storage tank 1 storage tank 2 is reached storage tank 1 storage tank 2 is not loaded until the temperature drops to 6 K below the defined maximum value Maximum pool temperature Factory Adjustable Adjustable Description setting down to up to max min 86 F 50 F 113 F When the maximum pool temperature is reached the swimming pool is not loaded until the tempera ture drops to 6 F below the defined maximum value Switch on temperature difference solar 1 and solar 2 Factory Adjustable Adjustable Description setting down to up to max min 16F Switch off 100 F When the switch on temperature difference be temperature tween collector and storage tank is reached the difference storage tank is loaded 4F Switch off temperature difference solar 1 and solar 2 Factory Adjustable Adjustable Description setting down to up to max min 8F OF Switch on When the swi
15. be removed from the storage priority When storage tank priority is deactivated the storage tanks will be loaded equally Control When storage priority is activated the controller primarily attempts to load the first priority storage tank However if this is initially impossible due to the collector temperature being too low preference is given to loading the 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 the first priority storage tank This test can take several minutes as the collector array must heat up sufficiently On the basis of this heating process the controller predicts whether it is possible to load the first priority storage tank in a foresee able period of time When storage priority is deactivated the controller begins if possible to load the colder storage tank and loads it until its temperature exceeds that of the other storage tank Loading then switches to the other stor age tank Thus both 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
16. conforming to at least type H05 VV NYM must be used G1 grid D1 wire bridge 5 5 2 Power cord Model B Power cord E1 input 1 E2 input 2 E3 input 3 E4 input 4 E5 input 5 T5 T5 or pulse generator EN 5 5 3 Connection of the inputs for Model A B and C e Inputs 1 4 for Pt1000 temperature sensor e Input 5 for Pt1000 temperature sensor or pulse generator for recording volume flow measuring heat quantities NOTE Sensors may not be installed in the metal tray T1 T2 T3 T4 T5 Inputs 1 4 temperature recording Inputs 1 4 T1315 Temperature sensor Pt 1000 polarity irrelevant Input 5 recording temperatures and pulse values Temperature recording 5 TS Pt1000 temperature sensor polarity irrelevant 17 Recording pulse Recording pulse values via reed relay values via open collector 5 5 Standard Special case volume flow recording volume flow recording polarity irrelevant observe polarity pulse signals up to max 600 Hz 5 5 4 Connection of outputs R1 R2 for Model A and C Output R1 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
17. not use the casing as a drilling template Choose a suitable installation site Drill the upper fastening hole Screw in the screw Remove the upper casing Hang the case in the recess Mark the position of the lower fastening holes Remove the casing again Drill the lower fastening holes Re hang the case in the recess Screw the case firmly using the lower fastening holes and vvvvvvvvvvyv Mount the upper casing Model A 2 136 mm 5 35 inch 155 mm 6 10 inch g amp r I J QJ O SS SS J C D j Le r5 J 5 qd wv C c 1 Z nire SS S 148 mm 5 83 inch 164 mm 6 46 inch Model B and C 165 mm 6 5 inch 82 5 mm 3 25 inch 23 75 mm 0 94 inch 146 mm 5 75 inch 133 25 mm 5 25 inch S pmi te lo 106 mm 4 17 inch 5 3 Electrical connection NOTE All electrical installations must conform to applicable National Electrical Code NEC requirements local ordinances and instructions provided by equipment and component manufacturers 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 NOT
18. storage tank and swimming pool temperature reached Symbol for swimming pool Symbol for stand alone operation of the swimming pool loading circuit Symbol for external heat exchanger Symbol for 3 way switching valve CROICI IOICIO Symbol for pump 0h Sample display 2sec Gayl gt ii Sample display Sample display EN 9 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 values e Outputs and corresponding running times e Functions and their additional measured values gt The additionally set functions are displayed 9 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 approx 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 9 3 Operating hours display for pumps switching valves Display of the operating hours gt AV choose the desired pump or valve gt SET access the information window gt
19. 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 again The swimming pool pump is control led externally Display 2 3 3 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 8 2 Selecting a system Terminal layout A1 collector array C1 swimming pool D1 wire bridge F1 external heat exchanger R1 solar circuit pump T1 collector sensor T2 sensor swimming pool Display 2 3 4 A1 collector array 1 A2 collector array 2 C1 swimming pool D1 wire bridge R1 solar circuit pump 1 R2 solar circuit pump 2 T1 collector sensor 1 T2 collector sensor 2 T3 sensor swimming pool 4 System 11 2 collector arrays east west roof 1 swimming pool 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
20. 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 gt All work on an open controller must be performed with the mains supply disconnected gt Protect the controller against overloading and short circuiting 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 140 F 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 responsibility and liability for loss damage or costs which resu
21. 0 100 110 120 130 140 Resistance Q 1347 1385 1423 1461 1498 1536 Temperature F 302 320 338 356 Temperature C 150 160 170 180 Resistance Q 1573 1611 1648 1685 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 Diverse settings have to be repeated after changing system functions and parameters are reset Display Description Measures 3 Actvation Function cannot be activated as the cor Check and complete the settings Ee es responding settings are incomplete eee Function was deactivated again 3 Acivation Function cannot be activated as all If the selected layout or another pera outputs are already occupied function is to be retained this func eens tion cannot be used 3 Caution When changing systems all settings of Settings which are still needed and which must be configured anew must be noted down in advance Frost protection Ho function and bypass function cannot be activated simultaneously Ho not available for pool systems ae Frost protection function and bypass function cannot be activated simultane ously Some functions are not available for systems with a swimming pool Check f
22. 2 collector arrays P7 Temperature differential control storage tank 2 lt switch off temperature difference 2 P9 Temperature differential control storage tank 1 10 F lt switch off temperature differ ence 1 system with external heat exchanger P10 Temperature differential control storage tank 1 10 F lt switch off temperature differ ence 2 system with 2 collector arrays and external heat exchanger P11 Temperature differential control storage tank 2 10 F lt switch off temperature differ ence 2 system with external heat exchanger P12 Target temperature control storage tank 1 lt minimum collector temperature Bats Target temperature control storage tank 1 gt maximum collector temperature P14 Target temperature control storage tank 2 lt minimum collector temperature Bas Target temperature control storage tank 2 gt maximum collector temperature P18 Target temperature control storage tank 1 10 F lt minimum collector temperature system with external heat exchanger Pag Target temperature control storage tank 1 10 F gt maximum collector temperature system with external heat exchanger P 20 Target temperature control storage tank 2 10 F lt minimum collector temperature system with external heat exchanger P21 Target temperature control storage tank 2 10 F gt maximum collector temperature system with external heat exchanger P22 Target temperature control storage tank 1 lt minimum temperature loading cir
23. AWG 14 fine strand with core end sleeves lt 1 5 mm AWG 16 gt Only use the original temperature sensors Pt1000 that are approved for use with the controller gt 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 sensor cables must be adequately screened Sensor cables may be extended to a maximum length of 100 m gt If ifadding 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 gt Connect the cables in accordance with the terminal diagram see chapters 4 5 and 7 2 5 4 Dismantling 2 DANGER Risk of death by electrocution gt Remove the controller from the power supply before dismantling it gt To dismantle the controller follow the assembly instructions in the reverse order 5 5 Terminal plan NOTE Sensor cables interface cables Direct Sensor cables and alarm cables may not be installed in the metal tray 5 5 1 Power connection Model A and C 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
24. COMMISSIONING uan ieee eerteeteedts 22 6 1 Setting the language 22 6 2 Setting the time eee es eeeeeeeseeeeeeeesaeeeeeeeeeaeeeeeaeseeeeees 22 6 3 Setting the system group cccceeseseceeeeeeeeeeeeeeeeeeeeeeteaaae 22 6 4 Setting the system 0 0 ce eceeeeeeeeeeeeeeeeeeeneeeeeeeeaeeeeeeeeeneeenees 22 7 Modes of operation wicecceiecesscecsteecdecccteveccieeateesaeeveactesentancees 23 Fea e E aae EAT E T 23 L2 Automatic Modeion airina aai aa EEA 23 7 3 Manual mode 8 SENGS kinaa ea E Eea eM a E E A A E TS 8 2 SYSTEMS ansa a enaa a E naa A a EEEa 8 3 FUNCTIONS 20 eee eeeeteeeeeeeceeeeeeeeeeeeeeeeaeeeeesaeeeeeeeeaeeeeeeeeeeaeees 8 4 Parameters raara eaae EEN Ea E ASS 85 Storage Priority accccsccceccciessepacesserconneecssesundszessastesnezzeaaceaeest S0 Language a ANAE EAS EEA 8 7 Factory S ttinS ce eeeeceeseeeeceseeeeeeeeeeeeeeeaeeeeeeeeeaeeeeeeeeeaeeaeees 9 Automatic Operation ccccsecceeceeeneeeeneeeeeeseeeseeeeeneneeneees 62 93 StAtUs CS play sisien scedes senate aE E N 63 9 2 Temperature sensor min max display 63 9 3 Operating hours display for pumps switching valves 63 10 SOPVICE ssesccsccsesscavestecivedececsseetsvssacsncvenadvcedeanensstseveveaseretedeseres 64 11 Fa lt finding eiaeaen aeneae Tanania Elian 64 11 1 Causes OF Problems issii igaranen 65 11 2 Pt1000 temperature sensor values eeseneeeeee 67 12 Information windows ws 13 Plausibility indices ii
25. Display 3 10 Stagnation reduction Display 3 11 Holiday function recooling Sie SS AS ae min 95 F Display 3 11 2 EN 8 3 11 Stagnating 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 temper atures 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 vy Functions submenu selected see Selecting a function see chapter 8 3 1 y Stagnation reduction function activated see Activating a function chapter 8 3 1 8 3 12 Holiday function recooling If the user 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 When th
26. E 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 5 3 1 Preparing the cable feed Depending on the type of installation the cables may enter the device through the rear of the case or the lower side of the case ZA 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 Fasten cable at position with the provided plastic links Model A and B Feeding the cable through the rear of the case gt Remove the plastic flaps from the rear side of the case using an appropriate tool Unscrew the controller from the metal tray before installation Use a suitable tool to br
27. IRE THERMIQUE SOLARE TERMICO Installation and operating instructions Temperature difference controller 5 inputs 2 outputs 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 Index 1 Saleta oa EEO RO SE Re 4 1 1 Proper USAQC 2 cccccsicecsscccccetscsesaaceisgccesascgsacpedenesatasasnecendistaneaetee 4 1 2 Dangers during assembly commissioning esceeceeeeeeeeees 4 1 3 Detecting faults 00 eee cece eeeeeeeeeeeeeceeeeeeeeeeeeseeseeeeieeneeeeeeaeee 5 1 4 Hot water tem perature si c ccccvsncsccsacenessacetanceccessecsaunacenasecenseice 5 1 5 Disposal ccceecccccceceeeeeeeeeeeeeeeeeeeeeceeeeeeeseeeeceeeeeeeseeeseeeeeneeseaeens 5 1 6 Exclusion OF abit y ysies aE 5 2 CSG Ovenec nein aa 6 3 3 1 3 2 3 3 Description Of symbols 0 0 0 eee ceeeeeteeeeeeeeeeeeeeeeeeeeeeteneeeaeeaee 7 4 Overview of types Of CASING ceeeeeeeeeeeeeeeteeeeeeeeeeeeeeeeenens 8 5 Installation cesna meveteesaceass 10 5 1 Opening closing the housing eeseeereieieresrrennsn 10 5 2 ASSCMDIY ceeceeseeseeeeeeeeeeeeeeeeeeeeeeeeeeaeeeeseeeseeeeseaeeeeeeeeaesaeees 10 5 3 Electrical connection 12 5 4 Dismmantling cecccecccecceeceeeeeeeeceeeeeeeeeeeeneeseaeeseeeenaeeeaeeeee 15 55 Terimiflall plan gensonenn Na 16 6
28. 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 switch on and switch off temperature difference parameter values Activating the system see chapter 8 2 Selecting a system Terminal layout EN System 14 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 storage tank B1 or the swimming pool C1 is loaded according to the priority control chapter 8 5 Storage tank priority until either the rel evant 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
29. 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 collec tor array A1 T1 and the storage tank B1 T2 is reached When the switch off temperature difference between collector array A1 T1 and 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 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 8 4 Parameters Activating the system see chapter 8 2 Selecting a system Terminal layout A1 collector array B1 storage tank D1 wire bridge R1
30. T 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 v 46 729 872 08 49 Jok Display 3 2 Back up heating o SAh ta ts L 140 F Display 3 2 3 on off Display 3 2 4 Time controlled 18 00 20 00 Ra 06 00 08 00 P g 12 00 13 30 Display 3 2 4 1 eee I 4 8 3 4 Solid fuel boiler function 0 a This function allows control of a pump for heating of a storage tank using a solid fuel boiler When the temperature difference between the solid fuel boiler and the 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 temperature difference is lower than the off value the solid fuel boiler temperature falls below the min value or the storage tank tempera ture reaches the max value Display 3 3 Solid fuel boiler Allocating inputs and setting storage tank solid fuel boiler temperature and switch on switch off tempera ture difference vy Funct
31. 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 60 729 872 08 49 4p Display 5 Storage priority o Display 5 1 off on op 2 Display 5 2 Display 6 Language Display 6 1 Deutsch Ole Display 7 Factory settings gt Display 7 1 Reset yes all values no 8 6 Language Accessing and selecting the language gt SET press button for approx 2 sec gt AV select menu item Language gt SET press button gt The language display appears gt SET press button gt The set language flashes gt AV select a language gt SET press button to confirm 8 7 Factory settings Resetting the factory settings gt SET press button 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 6 Commissioning NOTE When the controller is rese
32. 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 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 8 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 switch on and switch off temperature difference parameter values Activating the system see chapter 8 2 Selecting a system Terminal layout 8 2 2 Systems with two storage tanks AET System 6 1 collector array 2 storage tanks U intelligent pump control 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 switched on Both storage tanks B1 B2 are loaded one after the other according to the priority control chapter 8 5 Storage tank priority until eith
33. ashes 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 48 729 872 08 49 Display 3 5 Heat quantity One Oo 1 sie Glykol 40 Display 3 5 2 Pulse generator EN 8 3 6 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 tempera ture of the supply and return and the flow rate of 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 cal culated 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 vy Functions submenu selected see Selecting a function see chapter 8 3 1 y Heat quantity activated see Activating a function chapter 8 3 1
34. ay preassembled with mains cable and pump connections Input temperature sensor Output R1 R2 Power cord 4 3 Model C Controller in basic version with metal tray 5 Installation 5 1 Opening closing the housing A DANGER O 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 casing gt Only switch the power supply back on after the casing has been closed The upper casing is connected to the lower casing by two latches and fastened with a screw 5 1 1 Opening the case gt Loosen the screw and remove the upper case in an upwards direction 5 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 casing tightly with the screw Operating buttons Upper casing Lower case Screw 5 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 10 729 872 08 49 5 2 1 Mounting the controller CAUTION Risk of injury and damage to the casing when drilling gt Do
35. ays 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 The swimming pool pump is controlled externally Display 2 3 5 Loading strategy of solar circuit pump R1 In the factory the load ing strategy is set to temperature differential control This cannot be altered Loading strategy of solar circuit pump R2 It is not possible to select whether temperature difference control or target temperature control is to be used as the loading strategy Solar circuit pump R2 operates according to the switch on and switch off temperature difference parameter values Activating the system see chapter 8 2 Selecting a system Terminal layout 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 sensor swimming pool
36. ccessing parameters gt 140 F gt SET press button for approx 2 sec gt AV select the menu item Parameters gt SET open the submenu Sample display gt AV select a parameter linear ws temperature Setting a parameter value storage tank 1 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 Sample display Exiting the parameter Loading strategy gt ESC press button to confirm of storage tank 1 NOTE The loading strategy and RPM control parameters can be adjusted as follows Display 4 21 Loading strategy of storage tank 1 dT 16F lt 4 OT 140 F J Display 4 21 Settings window Display 4 24 RPM control pump R1 min 50 Display 4 24 Settings window no lyes EN 8 4 2 Setting the loading strategy parameter y Access the loading strategy parameter see chapter 8 4 1 gt SET press button gt The display for setting the temperature differential control or target temperature control appears Choosing loading strategy between temperature dif ferential control and target temperature contr
37. ccsicsie cece exces seccecsexeeiedescesvepedcecesceciesives 14 Legal guarantee sce icccceccesstceceseecetcesdes ces epdeceseenesetecauceeeecees 15 Technical datas icssceisiscccccassscscsssscsassesscevsssdesassscsesancacassaecaeas 15 1 Performance data wecicien cccscsseccsseasscesacecasaavecedascesssacecedaccessen 15 2 Parameter settings c ceccecceseseeeeeeeteeeeeeseeeeeeeeeeeseeneeeeeeateaes 15 3 Parameter values for functions eceeeeceeeeeeeeeeeteeeneeeeees 77 WG NOES iiiaae aitaan aR NaS eE ain 81 Product information cETLus This product is ETL certified and complies with the requirements of the applicable UL and CSA standards in terms of design and operating behaviour Please contact your dealer should you require further infor mation on this 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 be 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 NOTE The device is to be connected to the mains by means of a plug with groundin
38. 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 Loading strategy of solar circuit pump R1 In the factory the load ing strategy is set to temperature differential control This cannot be altered 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 switch on and switch off temperature difference parameter values NOTE In the factory RPM control is deactivated for solar circuit pump R1 This can be changed in the Parameters menu chapter 8 4 Parameters If RPM control is activated the loading strategy of solar circuit pump R1 is set to temperature differential control This cannot be altered Activating the system see chapter 8 2 Selecting a system Terminal layout System 12 2 collector arrays east west roof gt 1 swimming pool in stand alone operation 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 arr
39. controller software version number and the number of the chosen system The display is backlit in red In OFF mode all outputs R1 R2 are switched off NOTE On delivery from the manufacturer the switch is set to OFF 7 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 7 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 gt The display is backlit in red and a settings window is displayed gt AV choose the desired 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 se
40. cuit 1 P 23 Target temperature control storage tank 1 gt maximum temperature loading circuit 1 P24 Target temperature control storage tank 2 lt minimum temperature loading circuit 1 P25 Target temperature control storage tank 2 gt maximum temperature loading circuit 1 P 26 Target temperature control storage tank 2 lt minimum temperature loading circuit 2 70 P 28 Switch on temperature difference external heat exchanger maximum temperature storage tank 1 gt maximum temperature loading circuit 1 P 29 Switch on temperature difference external heat exchanger maximum temperature storage tank 2 gt maximum temperature loading circuit 1 P31 Temperature differential control storage tank 1 lt switch off temperature difference external heat exchanger P 32 Temperature differential control storage tank 2 lt switch off temperature difference external heat exchanger P33 Quick charge OFF gt target temperature control storage tank 1 P 34 Quick charge ON and RPM control OFF P35 Circulation ON and no time control and temperature control and pulse control P 36 Holiday function and anti legionella function are both activated P 37 Holiday function target temperature gt maximum storage tank temperature P38 Heatmeter min Speed Parameter min Speed 71 a 14 Legal guarantee In accordance with German statutory regulations there is a 2 year legal guarantee on this product
41. d 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 vy Functions submenu selected see Selecting a function see chapter 8 3 1 y Frost protection function activated see Activating a function see chapter 8 3 1 ZXcauTION System can freeze despite the activated frost protection function e During a power outage frost protection function does not operate e In the 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 8 3 14 Display storage tank top function gt eee The display storage tank top function serves merely as an additional M display and has no effect on control vy Functions submenu selected see Selecting a function see chapter 8 3 1 Displays y Display storage tank top activated see Activating a function piep layistorage tanktop chapter 8 3 1 gt V press button The display for selecting the storage tank and the corresponding gt temperature sensor appears P o 7
42. damages due to lost profit loss of use or indirect damages are excluded unless liability is obligatory by law 15 Technical data NOTE Please observe the specifications on the type plate Temperature difference controller Rated voltage 240 VAC 50 Hz system voltage optional 120 VAC 60 Hz Max own consumption lt 4W Inputs 5 T1 T4 temperature recording Pt1000 T5 temperature recording Pt1000 or pulse recording Additional inputs 1 x Direct Sensor input flow rate and temperature Outputs 2 R1 TRIAC output for RPM control max switching current 1 1 A AC R2 relay switched output max switching current 3 47 AAC Additional outputs 1 x alarm output potential free contact for SELV max 42 V max 2A Number of pre defined hydraulic 14 schemes Interfaces RS232 and RS485 Ingress protection IP 20 DIN 40050 Protection class l Permitted ambient temperature 32 to 113 F Display Animated graphic LCD with backlighting Dimensions L x W x H mm 170 x 170 x 46 Software class A Type of action Type 1 B 1 Y Type of fastening for permanently con Type X nected cables Intended transport condition No information Degree of pollution 2 Ball pressure test temperature 1562 F overvoltage category Class II 2500 V 15 1 Performance data Output Power 0 35HP 250W 240V 0 17HP 125W 120V Internal fuse 1 6 A T 250
43. e to ensure that they do not play 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 Danger level Likelihood of Consequences resulting occurrence from non compliance A Imminent Death serious DANGER threat of danger bodily injury A Possible Death serious WARNING threat of danger bodily injury A Possible Minor CAUTION threat of danger bodily injury CAUTION Possible Property damage threat of danger 3 3 3 Notes NOTE Note on easier and safer working habits gt Measures for easier and safer working habits EN 3 3 4 Other symbols and markings Meaning Precondition for action Call to action Emphasis on issue at hand Result of action List Emphasis on issue at hand AV Press Arrow up down for scrolling Ve Press Arrow down for scrolling through the menu or to adjust a value LS Press Arrow up for scrolling through the menu or to adjust a value SET Press SET button to confirm or activate a value ESC Press ESC button to cancel 4 Overview of types of casing The controller is available in different types of casing 4 1 Model A Controller in basic version 729 872 08 49 4 2 Model B Controller in basic version with metal tr
44. e difference between collector and storage tank or to reach the defined target temperature as quickly as possible See chapter 8 4 2 for information regarding settings 76 729 872 08 49 RPM control pump R1 Factory Adjustable Adjustable Description setting down to up to max min 50 30 100 If RPM control is activated the power at the control ler s output R1 is regulated by means of full wave packet control according to the measured tempera ture values and controller settings When RPM control is deactivated full power is present at the controller s output R1 See chapter 8 4 3 for information regarding settings 15 3 Parameter values for functions Circulation Factory Adjustable Adjustable Comment setting down to up to max min Time controlled 00 00 23 59 Programming a time period which goes beyond midnight 24 00 is not possible Temperature controlled Switch on temperature 86 F 32 F Switch off temperature 4 F Switch off temperature 95 F Switch on 203 F temperature 4F Pulse controlled Circulation time 2 min 1 min 10 min Wait time 10 min 0 min 60 min Back up heating Factory Adjustable Adjustable Comment setting down to up to max min Temperature controlled Switch on temperature 131 F 32 F Switch off tem perature 4 F Switch off temperature 140 F S
45. e holiday function is activated and the temperature in the stor age tank reaches 20 F 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 Defining the minimum storage tank temperature vy Functions submenu selected see Selecting a function see chapter 8 3 1 y Holiday function recooling activated see Activating a function chapter 8 3 1 gt V press button gt The display for setting the minimum storage tank temperature appears gt SET press button gt The min value flashes gt AV Set the minimum temperature value for the storage tank gt SET press button to confirm NOTE This function should only be activated during long periods of absence When you return please deactivate this function in order to avoid unnecessary wastage of energy via the collector circuit 729 872 08 49 55 8 3 13 Frost protection function gt comme 1 When the frost protection function is activated the solar circuit pump Sv Sy is switched on as soon as the collector temperature sinks below 41 F wee 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 Display 3 12 freezing Frost protection If the collector reaches a temperature of 45 F the pump is switche
46. e period which goes beyond midnight 24 00 is not possible Time function Factory Adjustable Adjustable Comment setting down to min up to max Time controlled 00 00 23 59 Programming a time period which goes beyond midnight 24 00 is not possible Interval Factory setting Adjustable down to min Adjustable Comment up to max Interval time Test on time 5 sec 3 sec 30 sec Time controlled 00 00 23 59 Programming a time period which goes beyond midnight 24 00 is not possible Holiday function recooling Factory Adjustable Adjustable Comment setting down to up to max min Minimum storage tank temperature 95 F 32 F 203 F If possible the storage tank is cooled down to the defined minimum temperature at night 16 Notes 729872
47. eak out the pre punched holes which are required for the installation NOTE Only break out the holes that are required for the installation Make sure to reclose any holes that are not required First connect the grounding cable to the grounding bar Then feed the N and L cables through the casing and connect to the correspon ding terminal clamps The cables should be connected in accordance with the terminal connection diagram ZA WARNING Risk of electrical shock and fire due to cables coming loose gt Install an external strain relief for the cables 5 3 2 Connecting the cables gt Ifa 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 NOTE Only cables attached to the mains supply may be installed in the metal tray Sensor cables interface cables or cables for potential free outputs R3 without wire bridge or alarm output may not be installed in the metal tray gt Integrated strain relief suitable for an external diameter of 7 to 11 mm 0 28 to 0 43 inch gt The terminal screws are approved for connection of cables as fol lows single wire solid lt 2 5 mm
48. ed on as soon as the switch on temperature difference between the collec Display 2 3 tor array A1 T1 and the swimming pool C1 T2 is reached When the Swimming pool switch off temperature difference between the collector array A1 T1 and the swimming pool C1 T2 or a safety limit is reached the solar gt circuit pump R2 is switched off again Loading strategy of solar circuit pump R2 It is not possible to select whether temperature difference control or target temperature control is to be used as the loading strategy Solar circuit pump R2 operates Display 2 3 1 according to the switch on and switch off temperature difference parameter values Activating the system see chapter 8 2 Selecting a system Terminal layout A1 collector array C1 swimming pool D1 wire bridge R2 solar circuit pump T1 collector sensor T2 sensor swimming pool Display 2 3 2 A1 collector array C1 swimming pool D1 wire bridge F1 external heat exchanger R1 solar circuit pump R2 swimming pool pump T1 collector sensor T2 sensor swimming pool T3 sensor ext heat exchanger 4 System 9 1 collector array 1 swimming pool 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 col lector array A1
49. en reached e The maximum collector temperature has been reached e In multi storage tank systems the system has stopped due to a priority test e The minimum collector temperature has not been reached e The maximum loading temperature has been reached e Stagnation reduction activated e Storage tank deactivated e The pump symbol in the The operating switch is set e Set the operating switch to auto display does not rotate to manual operation and matic operation e The display illumination the pump output is set to is red off e A tool symbol flashes in the display e The pump symbol in the Short circuit or interruption e On the controller request the display does not rotate of a temperature sensor current values from all connected e The display illumination temperature sensors flashes red e Check all defective sensors and or sensor cable The solar pump operates despite the fact that the switch on condition is not fulfilled e The holiday function is acti vated e The frost protection function is activated e Blockage protection is acti vated Secondary symptoms Possible cause Procedure The pump symbol in e The interval function is acti e No fault the display rotates vated e Deactivate the relevant function if necessary e Symbol rotates The operating switch is set to manual operation and the pump e Display has a red output is set to on background Tool symbol is visib
50. er 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 pump R1 In the factory temperature differential control is chosen as the loading strategy for storage tank B1 It can be adjusted or changed to target temperature control using the Parameters menu chapter 8 4 Parameters Display 2 2 1 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 for storage tank B2 Solar circuit pump R2 operates according to the switch on and switch off tempera ture difference parameter values Activating the system see chapter 8 2 Selecting a system Terminal layout 5 A1 collector array B1 storage tank 1 n B2 storage tank 2 D1 wire bridge R1 solar circuit pump 1 R2 solar circuit pump 2 T1 collector sensor T2 sensor lower area of storage tank 1 T3 sensor lower area of storage tank 2 ne lel GLE ieee Display 2 2 2 Al B1 B2 D1 R1 R2 Ti T2 T w collector array storage tank 1 storage tank 2 wire bridge solar circuit pump switching valve collector sensor sensor lower area of storage tank 1 sensor lower area of storage
51. firm 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 v v 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 gt The display for setting the duration appears gt SET press button gt The time value flashes gt AV set the time value SET confirm the value and go to the next value gt The settings are saved 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 8 3 8 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 pa
52. 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 func tioning of the product Natural wear and tear does not constitute a mal function No legal guarantee can be offered if the fault can be attributed to third 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 specifica tion 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 obli gation in particular claims for
53. g contact or in the case of a fixed electrical installation via a disconnection device for complete disconnection in accordance with the installation guidelines 1 2 Dangers during assembly 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 gt Labels and markings applied in the factory may not be altered removed or rendered
54. g 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 difference exceeds the defined on value the output is switched on until the tem perature difference 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 limit the thermostat to specific times 50 729 872 08 49 ee eee R4 max 0 0 gal imp min 0 0 gal imp Display 3 5 4 Flow rate Display 3 6 Thermostat Display 3 6 3 on off o l ol Display 3 6 4 Time controlled O 00 00 00 00 00 00 00 00 O W4 00 00 00 00 Display 3 6 4 1 EN Defining the input and temperature values vy Functions submenu selected see Selecting a function see chapter 8 3 1 Thermostat activated see Activating a function chapter 8 3 1 Outputs selected see Selecting an output chapter 8 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 con
55. ing 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 Choosing the input and setting the temperature limits vy Functions submenu selected see Selecting a function see chapter 8 3 1 y Back up heating activated see Activating a function see chapter 8 3 1 y Outputs selected see Selecting an output chapter 8 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 storage tank 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 Activating time control gt V press button gt The Time controlled display appears gt SET press button gt Time control is activated V press button gt The display for setting the duration appears gt SET press button gt The time value flashes gt AV set the time value gt SE
56. ing the menu gt ESC press button 8 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 control 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 vy Functions submenu selected see Selecting a function see chapter 8 3 1 v Circulation activated see Activating a function chapter 8 3 1 y Outputs selected see Selecting an output chapter 8 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 gt 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
57. ions submenu selected see Selecting a function see chapter 8 3 1 vy Solid fuel boiler activated see Activating a function chapter 8 3 1 y Outputs selected see Selecting an output chapter 8 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 lt gt T flashes in the display storage tank temperature input go e i gt AV choose the desired input eis P E bE gt SET press button to confirm gt T flashes in the display solid fuel boiler temperature input AV choose the desired input pal 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 Display 3 3 3 gt 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 flashes in the display storage tank s maximum tempera gt ture value gt AV set the max value ga mia tae gt SET press button to confirm min flashes in the display solid fuel boi
58. justable Description setting down to up to max min 32 F 32 F Maximum col Only when the minimum collector temperature is lector tempera reached and in consideration of the other switch ture 40 F on conditions does the solar circuit pump switch on This value can be increased up to 40 F below the defined maximum collector temperature Switch on temperature difference return increase Factory Adjustable Adjustable Description setting down to up to max min 12 F Switch off 100 F When the switch on temperature difference be temperature tween storage tank temperature and heating return of return temperature is reached the switching valve is acti 4F vated and water flows through the storage tank 729 872 08 49 75 EN Switch off temperature difference return increase Factory setting 6F Adjustable down to min OF Adjustable up to max Switch on temperature of return 4 F Description When the switch off temperature difference between storage tank temperature and heating return tem 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 4 F and is barred from being set any lower Maximum temperature loading circuit Factory setting 212 F Adjustable down to min Minimum loading cir cuit tempera
59. le on the display Set the operating switch to auto matic operation Solar pump is operating activation condition is fulfilled nevertheless no heat transport in the solar circuit no fluid circulation Procedure Secondary symptoms Possible cause The pump symbol in e Air is in the solar circuit the display rotates e The isolating valve is closed e Limescale contamination on solar circuit Check the solar circuit for air Check the isolating valve Flush clean the solar circuit Solar pump shows cycle behaviour Secondary symptoms Possible cause Temperature difference too small Collector sensor incorrectly Procedure Adjust temperature difference in the Parameters menu Check the collector sensor positioned 66 11 2 Pt1000 temperature sensor values A potentially defective sensor can be checked using an ohmmeter To do this the sensor must be discon nected its resistance measured and the value compared with the figures in the table below Small devia tions are acceptable Temperature sensor resistance values Temperature F 22 4 14 32 50 68 Temperature C 30 20 10 0 10 20 Resistance Q 882 922 961 1000 1039 1078 Temperature F 86 104 122 140 158 176 Temperature C 30 40 50 60 70 80 Resistance Q 1117 1155 1194 1232 1271 1309 Temperature F 194 212 230 248 266 284 Temperature C 9
60. lers minimum tempera Display 3 3 4 ture value gt AV set the min value gt SET press button to confirm gt The settings are saved 8 3 5 Quick charge function gt l This function attempts to load the upper part of the storage tank more PA quickly by means of a higher loading temperature in order to prevent Ay conventional boiler back up heating as early as possible r Display 3 4 When the temperature in the upper part of the storage tank falls below E 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 y Functions submenu selected see Selecting a function see chapter 8 3 1 y Quick charge function activated see Activating a function chapter 8 3 1 gt V press button gt The display for setting the temperature input and the on and gt off values appears fa S A o ae gt SET press button E l J 126 F gt T flashes in the display upper storage tank temperature input gt AV choose the desired input i gt SET press button to confirm pri 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 fl
61. llowing 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 gt SET press button gt The max value flashes in the display and the pump begins to run at maximum 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 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 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 If the 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 If the collector is in a stagnant state pump starts are blocked in order to prevent damage A corresponding information window is displayed 8 3 7 Thermostat function This function allows a controller output to be controlled depending on a pre defined temperature range Dependin
62. lt 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 Operating switch The following modes of operation can be selected f Manual for commissioning gt and testing for function im Automatic for automatic operation Off for switching off the outputs lt Manual lt Automatic lt off Fuses Display Display for controller operation and system settings Operating buttons lt Arrow up lt for scrolling up through the menus SET button Confirmation or Activation of a value ESC button escape key Arrow down Seca for scrolling down through the menus see chapter 15 esse f ZA RS232 and RS485 interface Co alarm output Direct Sensor interface Replacement fuses see chapter 15 faaie p O o Power connection Outputs Inputs Strain relief 729 872 08 49 3 About this manual 3 1 Applicability This manual describes
63. m the switching valve R2 must be set to the lower loading zone 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 8 4 Parameters Activating the system see chapter 8 2 Selecting a system Terminal layout A1 collector array B1 storage tank D1 wire bridge R1 solar circuit pump R2 switching valve zone loading T1 collector sensor T2 lower area of storage tank T3 sensor storage tank zone loading Display 2 1 5 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 lower area of storage tank 4 System 5 2 collector arrays east west roof 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 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
64. n 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 L DANGER 7 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 e Check the controller power cable e No display illumination interrupted e Check the fuse for the power supply e 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 conditions are satisfied Secondary symptoms Possible cause Procedure The pump symbol in the e Pump power supply is e Check the pump power cable display rotates interrupted e Check the fuse in the controller replacement fuse is located in the case Pump has seized up e Get the pump working again replace if necessary The pump symbol in the e The maximum storage e No fault display does not rotate tank temperature has be
65. ng 8 3 12 e Frost protection 8 3 13 e Display storage tank top 8 3 14 e Alarm output 8 3 15 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 8 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 select 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 V press button gt The display for setting the output appears gt SET press button gt Output flashes gt AV choose the desired output gt SET press button to confirm 729 872 08 49 43 EN 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 Leav
66. ol gt SET press button for approx 2 sec 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 16 PF 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 140 F gt AV set the target temperature value gt SET press button to confirm gt The settings are saved 8 4 3 Setting the RPM control parameter vy Access the RPM control parameter see chapter 8 4 1 gt SET press button gt The display for activating yes or deactivating no the RPM control is shown Activating or deactivating the RPM control 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 gt The min RPM value flashes gt AV set the minimum speed gt SET press button to confirm gt The settings are saved 729 872 08 49 59 EN 8 5 Storage priority When a 2 storage tank system is selected the storage priority can also be specified When storage priority is activated a first priority storage tank and a second priority storage tank can be defined If it is intended that one of the two storage tanks is not to be loaded this tank can
67. recording flow rate without a flow sensor Flow rate value for maximum pump speed gt 0 99 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 0 99 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 Comment setting down to up to max min Temperature controlled Switch on temperature 68 F 32 F 365 F The on and off values can be set independently of Switch off tem each other 68 F Time controlled perature 32 F 00 00 23 59 Programming a time period which goes beyond midnight 24 00 is not possible Differential thermostat Factory Adjustable Adjustable Comment setting down to min up to max Temperature controlled Switch on temperature difference 12 F Switch off 160 F temperature difference 4 F Switch off temperature difference 6F OF Switch on temperature dif ference 4 F Maximum heat source temperature 212 F Minimum 365 F source tem perature 4 F Minimum heat source temperature 32 F 32 F Maximum source tempera ture 4 F Temperature limit heat target 140 F 32 F 203 F Time controlled 00 00 23 59 Programming a tim
68. rost protection concept In swimming pool systems these functions must be dispensed with 67 not available for 1 storage systems Ho UE It is not possible to access storage prior ity as the selected system only has one storage tank The setting is not required with this system Pumps running due to blockage protection Ho In order to protect the pumps from me chanical seizure all pumps are switched on briefly once a day System recooling in progress Ho Hygiene flushing circulation Ho 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 active Ho Stagnation reduction is activated System is operating at high temperature level System stopped due to priority test Ho 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 Ho Solar circuit running due to interval test A Solar circuit is running due to interval test The collector s heat transfer fluid is be ing transported to the sensor
69. rticular 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 vy Functions submenu selected see Selecting a function see chapter 8 3 1 y Difference thermostat activated see Activating a function see chapter 8 3 1 y Outputs selected see Selecting an output see chapter 8 3 1 gt V press button gt The display for setting the temperature inputs and the switching values appears gt SET press button gt T flashes in the display temperature input for the heat source gt AV choose the heat source s input gt SET press button to confirm gt T flashes in the display temperature input for the heat target gt AV choose the heat source s input gt SET press button to confirm gt The on value flashes after confirmation of the heat target input 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 Defining limits for the heat source gt V press button gt The display for setting the limits max min of the heat source appears gt SET press button gt max flashes in the display heat source s maximum value AV set the maximum value SET press b
70. s Error type Description Sensor error Sensor cable short circuit interruption of sensor cable or no sensor con nected see chapter 12 Int clock failure For instance after a long power outage round see chapter 12 8 4 Parameters gt asi In the factory the controller is configured in such a manner that it can T be used in most applications without changes to these values e All parameters can be modified to a certain extent to suit the individual agua oe i i Display 4 requirements of the system If modifications are realised the operating ee 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 parameter 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 or pool e switch on temperature difference solar 1 solar 2 e switch off temperature difference solar 1 solar 2 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 or storage tank 2 e RPM control pump R1 8 4 1 Accessing and adjusting parameters A
71. solar circuit pump R2 switching valve heating return increase T1 collector sensor T2 lower area of storage tank T3 sensor storage tank heating return increase T4 sensor heating return increase Display 2 1 3 A1 collector array B1 storage tank D1 wire bridge F1 external heat exchanger R1 storage tank loading pump R2 solar circuit pump T1 collector sensor T2 lower area of storage tank T3 sensor ext heat exchanger 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 collec tor 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 again 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 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 adj
72. t 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 to confirm and close gt The settings are saved v v Activating pulse control vy Functions submenu selected see Selecting a function see chapter 8 3 1 Circulation activated see Activating a function see chapter 8 3 1 Outputs selected see Selecting an output chapter 8 3 1 gt V press button gt The Pulse controlled display appears gt SET press button gt 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 circulation duration 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 v v 729 872 08 49 45 EN 8 3 3 Back up heating function This function allows thermostatic control of an output for additional heating of the solar storage tank us
73. t 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 9 Automatic operation 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 sensors 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 system The various symbols are displayed as soon as additional functions are activated or values exceed or fall below parameters The display message below shows all symbols simultaneously as an example In practice they appear in various combinations cilo O1O Symbol for solar circuit s switch on condition fulfilled Symbol for maximum collector temperature reached Symbol for the currently selected temperature sensor Symbol for the solar circuit Symbol for the storage tank Symbol off for deactivated storage tank Display of the current measured value such as temperature values and outputs operating hours Symbol for the activated frost protection function Symbol for the activated holiday recooling function Symbol max for maximum
74. tank 2 EN System 7 1 collector array 2 storage tanks 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 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 8 5 Storage tank priority until either the relevant switch off tempera ture difference 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 8 4 Parameters Activating the system see chapter 8 2 Selecting a system Terminal layout a Ap 3 5 opra elele in 35 8 2 3 Systems with a swimming pool gt a System 8 1 collector array 1 swimming pool Sii Description of the solar function The solar circuit pump R2 is switch
75. tch off temperature difference temperature dif between collector and storage tank is reached load ference 4 F 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 4 F and is barred from being set any lower EN Switch on temperature difference external heat exchanger Factory Adjustable Adjustable Description setting down to up to max min 12 F When the switch on temperature difference between the secondary side of the external heat exchanger and the storage tank is reached the stor age tank is loaded This value cannot be changed Switch off temperature difference external heat exchanger Factory Adjustable Adjustable Description setting down to up to max min 6F When the switch off temperature difference between the secondary side of the external heat exchanger and the storage tank is reached loading of the stor age tank is stopped This value cannot be changed Maximum collector temperature Factory Adjustable Adjustable Description setting down to up to max min 266 F Minimum 356 F When the maximum collector temperature is reached collector the solar circuit pump switches off When the tem temperature perature drops to 6 F below the defined maximum 40 F value the solar circuit pump switches on again Minimum collector temperature Factory Adjustable Ad
76. tch 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 8 3 9 Time function This function allows a controller output to be controlled depending on a pre defined time range Setting the time window vy Functions submenu selected see Selecting a function see chapter 8 3 1 vV Time function activated see Activating a function chapter 8 3 1 y Outputs selected see Selecting an output chapter 8 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 switch on value is blocked 729 872 08 49 53 8 3 10 Interval function gt fp With some types of collector the collector s construction does not allow the temperature to be recorded at the appropriate location In these ld cases the solar circuit must be briefly activated at regular in
77. ted nN A DANGER Risk of death by electrocution gt If used as a potential free output make sure that the connections cannot come into contact with the mains voltage gt If the wire bridge is removed the cable may not be installed in the metal tray 20 729 872 08 49 5 5 6 RS232 and RS485 interface alarm output and Direct Sensor interface for Models A B and C NOTE Interface cables alarm and Direct Sensor cables may not be installed in the metal tray RS485 interface AO 9B9 Roe ag RS232 interface A Bo Rx Tx apoE D Sub 9 pin socket solder side wa 66 e bsod Si Alarm output see chapter 15 SISS esse _ Ey Gy Ay g 0 Q 09 LI Direct Sensor Interface a a p observe the manufacturer s specifications ig Gy Oy Gy n 6 Commissioning gt 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 6 1 Setting the language y Deutsch flashes in the display gt gt AV select a language rm gt SET confirm the language gt ESC finish the settings Display 6 1 The displa
78. tervals to transmit the actual heat from the collector pipe to the collector sen Display 3 9 sor When the interval function is activated the controller automatically Interval switches the pump on according to the settings Setting the interval function vy Functions submenu selected see Selecting a function see chapter 8 3 1 y Interval activated see Activating a function see chapter 8 3 1 gt V press button The display for setting a time window the interval time and the gt test time appears 06 0013 00 gt SET press button Sum gt The time window s start time flashes in the display gt AV set the start time Display 3 9 2 gt SET confirm the value and go to the next value eae gt 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 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
79. the installation commissioning operation maintenance and dismantling of the temperature difference 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 devic
80. ttings window 729 872 08 49 53 EN 8 Menu overview Settings SET 2 sec Systems 1 storage tank 2 storage tanks systems systems ESC Status display Swimming pool Storage tank swim ming pool systems System 3 System 4 System 5 System 10 System 11 System 12 24 729 872 08 49 systems me I I System 1 System 6 System 8 System 13 _ System 2 System 7 System 9 System 14 EN Factory Functions Parameters Storage priority Language settings OOOO TNNT Aa A Max temperature Circulation storage tank 1 a k heati Max temperature Back up heating storage tank 2 a F Max temperature Solid fuel boiler swimming pool I Quick charge Switch on temp i l difference solar 1 Heat quantity nra Switch off temp difference solar 1 Difference thermostat Switch on temp difference solar 2 Time function Switch off temp Interval difference solar 2 E pacer Max collector reduction temperature I Holiday recooling function I Min collector temperature Frost protection Switch on tempera ture difference return increase Display storage tank top I Switch off tempera Alarm output ture difference return increase Max tempera
81. ture loading circuit 1 Min temperature loading circuit 1 Loading strategy storage tank 1 Loading strategy storage tank 2 RPM control pump R1 729 872 08 49 8 1 Time The time can be displayed and adjusted via the Time menu item gt Setting the time O gt SET press button for approx 2 sec gt The Time menu item is displayed Display 1 gt SET press button Time gt The current time is displayed gt gt SET press button to confirm O 17 10 gt The hours display flashes after confirmation of the time gt AV set the hours gt SET press button to confirm Display 1 1 gt The minutes display flashes after confirmation of the hours gt AV set the storage priority gt SET confirm the time gt ESC exit the Time menu item 8 2 Systems The desired solar energy system can be chosen using the System submenu There are a total of 14 dif ferent systems to choose from subdivided into 4 system groups System group 14 systems Systems with one System 1 1 collector array 1 storage tank 8 2 1 storage tank 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 1 storage tank with zone loading System 5 2 collector arrays east west roof 1 storage tank
82. usted or changed using the Parameters menu chapter 8 4 Parameters Loading strategy of solar circuit pump R2 It is not possible to select whether temperature difference control or target temperature control is to be used as the loading strategy Solar circuit pump R2 operates according to the switch on and switch off temperature difference parameter values Activating the system see chapter 8 2 Selecting a system Terminal layout System 4 1 collector array gt 1 storage tank with zone loading 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 storage tank B1 T2 is reached When the Display 2 1 4 switch off temperature difference between collector array A1 T1 and 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 syste
83. utton to confirm min heat source s minimum value flashes after confirmation of the maximum value AV set the minimum value SET press button to confirm gt The settings are saved vv vv 52 729 872 08 49 Display 3 7 Difference thermostat Display 3 7 3 on off Ue max 212 F min 32 F Display 3 7 4 Oe max 140 F EN 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 Display 3 7 5 gt SET press button to confirm Activating time control gt V press button gt The Time controlled display appears gt SET press button gt Time control is activated Display 3 7 6 Time controlled 00 00 00 00 00 00 00 00 00 00 00 00 Display 3 7 6 1 on off O I Display 3 8 Time function 00 00 00 00 00 00 00 00 O 4 00 00 00 00 Display 3 8 3 gt V press button gt The display for setting the duration appears SET press button gt 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 vv NOTE The swi
84. witch on 203 F temperature 4F 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 Comment setting down to up to max min Temperature controlled Switch on temperature difference 12 F Switch off 40 F temperature difference 4F Switch off tem 6F OF Switch on temperature difference 4 F Maximum heat target temperature perature difference 140 F 32 F 302 F Minimum heat source temperature 122 F 86 F 203 F Quick charge Factory Adjustable Adjustable Comment setting down to min up to max Temperature controlled Switch on temperature 122 F 32 F 203 F The switch off temperature is adjusted according to the hysteresis Switch off temperature 126 F Switch on tem Switch on perature 4 F temperature 20 F Heat quantity Factory Adjustable Adjustable Comment setting down to up to max min Pulse value for recording flow rate with a pulse generator 1 gal Imp 2 gal Imp 5 gal Imp 10 gal Imp 1 Imp gal 3 Imp gal 4 Imp gal 15 000 Imp gal Recording flow rate with Grundfos sensor type Direct Sensor VFS 1 20 VFS 2 40 VFS 5 100 VFS 10 200 Glycol content 40 0 60 Flow rate value for
85. y for setting the time appears Deutsch 6 2 Setting the time y 12 00 flashes in the display gt 4740 gt AV set the hours j gt SET confirm the hours gt The minutes display flashes Disnar gt AV set the minutes gt SET confirm the minutes gt ESC finish the settings gt The display for setting the system group appears 6 3 Setting the system group gt p 1 NOTE For an overview of systems see chapter 8 2 Systems Display 2 1 y The first system group 1 storage tank system appears in the display Storage tank gt AV select a system group gt SET confirm the system group gt The display for setting the system appears 6 4 Setting the system v The first system in the selected system group appears in the display gt gt AV select 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 Display 2 1 1 22 729 872 08 49 Version XX System No X o 179 F 4 lt lt 4 Automatic lt i R1 on 4 R2 off lt 4 Manual lt lt EN 7 Modes of operation 7 1 OFF mode gt In order to switch off the outputs slide the operating switch down gt Anew window appears in the display which shows OFF as well as the
86. y s supply and return pipes and mount them cor rectly if applicable Info double allocation conflicting settings Ho The internal settings check has identified conflicting settings or double allocation of sensors The internal plausibility check Check the function s time settings Double allocation of sensors is per mitted and this is only intended as information Look up the error code in the operat pool deactivated due to season or storage priority eae il Plausibility check i ao Sine x S peor mente has identified conflicting settings ing instructions chapter 12 and check correct the entries g Fautt detected A sensor error has been detected Locate and check the corresponding R sensor s in the display menu 3 Sensor cable Sensor cable is interrupted incorrectly Check connection and or sensor ca eee connected or the sensor is possibly ble Possibly check sensor and sensor Roepe defective cable using an ohmmeter grr Sensor cable has short circuited or the Check connection and or sensor ca aasan sensor is possibly defective ble Possibly check sensor and sensor cable using an ohmmeter 3 Stage tak Loading of the storage tank pool was If this is not wanted loading can be deactivated due to storage priority reactivated via storage priority or season selection Pump operation not enabled at present Ho

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