Dimplex SOLCU Installation And Operating Instructions Manual Download Page 1 | Manualshive

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SOLARTHERMIE - SOLAR THERMAL - SOLAR TÉRMICO - SOLAIRE THERMIQUE - SOLARE TERMICO

Installation and operating instructions

Temperature difference controller

5 inputs, outputs

730.138 | Z01 |

Subject to change due to technical improvements!

| ST004_A - 09/08

EN

These operating instructions are part of the product.

Read these operating instructions carefully before use,
keep them over the entire lifetime of the product,
and pass them on to any future owner or user of this product.

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Solar Controller SOLCU

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Summary of Contents for SOLCU

Page 1: ...roller 5 inputs outputs 730 138 Z01 Subject to change due to technical improvements ST004 _A 09 08 EN These operating instructions are part of the product Read these operating instructions carefully before use keep them over the entire lifetime of the product and pass them on to any future owner or user of this product Solar Controller SOLCU ...

Page 2: ...4 3 Electrical connection 10 4 4 Dismantling 11 4 5 Terminal plan 12 5 Commissioning 16 5 1 Setting the language 16 5 2 Setting the time 16 5 3 Setting the system group 16 5 4 Setting the system 16 6 Modes of operation 17 6 1 OFF mode 17 6 2 Automatic mode 17 6 3 Manual mode 17 7 Settings 18 7 1 Time 20 7 2 Systems 21 7 3 Functions 37 7 4 Parameters 52 7 5 Storage priority 54 7 6 Language 55 7 7 F...

Page 3: ...nical data 66 13 1 Performance data 66 13 2 Parameter settings 67 13 3 Parameter values for functions 70 14 Notes 75 Product information EC declaration of conformity This product conforms to the applicable European directives with regard to its design and its operating behaviour This conformity has been verified Further information in this regard can be obtained from your dealer ...

Page 4: ...nditions 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 conn...

Page 5: ...n 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 result from or are in any way related to inco...

Page 6: ...ating buttons Arrow up for scrolling up through the menus SET button Confirmation or Activation of a value ESC button escape key Arrow down for scrolling down through the menus Display Display for controller operation and system settings Operating switch The following modes of operation can be selected Manual for commissioning and testing for function Automatic for automatic operation Off for swit...

Page 7: ...e 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...

Page 8: ...e the controller from the power supply before opening the case Make sure that the power supply cannot be unintentionally switched back on Do not damage the casing 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 4 1 1 Opening the case Loosen the screw and remove the upper case in an upwa...

Page 9: ...ON Risk of injury and damage to the casing when drilling Do 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 usin...

Page 10: ...ith the installation guidelines 4 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 5 6 5 4 4 Feeding the cable through the rear of the case Remove the plastic flaps from the rear side of the case using an appropriate tool WARNING Risk of electrical shock and fire due to cables coming loose ...

Page 11: ...erve 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 ...

Page 12: ...t type H05 VV NYM must be used N L N R1 n c n c N n c n c R2 n c L L n c n c X G1 230 V 115 V D1 4 5 2 Connection of the inputs Inputs 1 4 for Pt1000 temperature sensor Input 5 for Pt1000 temperature sensor or pulse generator for recording volume flow measuring heat quantities 1 2 3 4 5 T1 T2 T3 T4 T5 E1 E2 E2 E3 E4 E5 G1 grid D1 wire bridge E1 input 1 E2 input 2 E3 input 3 E4 input 4 E5 input 5 T...

Page 13: ...cording temperatures and pulse values T5 Pt1000 temperature sensor polarity irrelevant Standard volume flow recording polarity irrelevant Special case volume flow recording observe polarity pulse signals up to max 600 Hz Temperature recording Recording pulse values via reed relay Recording pulse values via open collector 5 ϑ 5 5 ...

Page 14: ...tronic RPM control the controller output s RPM control must be deactivated see chapter 7 4 3 Setting the RPM control parameter N R1 n c n c N n c n c R2 n c L L n c n c X R1 R2 R1 D1 Output R2 switched output or potential free output 230 VAC switched output option 115 VAC via electromechanical relay max switching current see type plate wire bridge must be connected N R1 n c n c N n c n c R2 n c L ...

Page 15: ...2 4 5 4 RS232 and RS485 interface alarm output and Direct Sensor input RS232 interface A B Rx Tx T Q 5V T T T T T T Q 5V T A B Rx Tx T T 1 2 3 4 5 6 7 8 9 A B A B Rx Tx T Q 5V T T T T T T Q 5V T A B Rx Tx T T 1 2 3 4 5 6 7 8 9 A B Rx Tx A B Rx Tx T Q 5V T T T T T T Q 5V T A B Rx Tx T T 1 2 3 4 5 6 7 8 9 A B Rx Tx Direct Sensor observe the manufacturer s specifications Alarm output see chapter 14 D...

Page 16: ...ttings The display for setting the system group appears 5 3 Setting the system group NOTE For an overview of systems see chapter 7 2 Systems The first system group 1 storage tank system appears in the display select a system group SET confirm the system group The display for setting the system appears 5 4 Setting the system The first system in the selected system group appears in the display selec...

Page 17: ... the automatic controller mode and must be set for automatic operation NOTE During normal system operation the operating switch should always be set to Automatic 6 3 Manual mode CAUTION Damage to pump caused by dry operation The controller may only be set to Manual when the system has been filled When operating the device for the first time or when testing the func tion the controller outputs can ...

Page 18: ... Systems 1 storage tank systems 2 storage tanks systems System 1 System 2 System 3 System 4 System 5 System 12 ESC SET SET SET 2 sec System 6 System 7 System 8 System 9 System 10 System 11 Swimming pool systems Storage tank swim ming pool systems System 13 System 14 ...

Page 19: ...orage tank 2 Switch on temp difference solar 1 Switch off temp difference solar 1 Switch off temp difference solar 2 Max collector temperature Min collector temperature Switch on tempera ture difference return increase Switch off tempera ture difference return increase Max temperature loading circuit 1 Min temperature loading circuit 1 RPM control pump R1 Max temperature swimming pool Switch on te...

Page 20: ...played SET press button The current time is displayed SET press button to confirm The hours display flashes after confirmation of the time set the hours SET press button to confirm The minutes display flashes after confirmation of the hours set the storage priority SET confirm the time ESC exit the Time menu item Display 1 Time Display 1 Time Display 1 1 Display 1 1 ...

Page 21: ...ontrol Systems with a swimming pool System 8 1 collector array 1 swimming pool 7 2 3 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 ...

Page 22: ...roups Select a system group SET press button to confirm select a system SET press button to confirm In the display a small checkmark appears below the item number which confirms that the system is selected ESC exit the Systems menu item Display 2 Systems Display 2 Systems Sample display Sample display Sample display Sample display ...

Page 23: ... In the factory temperature differential control is chosen as the loading strategy for the storage tank B1 It can be adjusted or changed to target temperature control using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout T1 T2 D1 R1 230 V 115 V A1 B1 R1 T2 N L N R1 N n c n c R2 X L L n c 1 2 3 4 5 n c n c T2 T1 n c n c Display 2 1...

Page 24: ... on the system the switching valve R2 must be set in such a manner that water does not flow through the storage tank Loading strategy of solar circuit pump R1 In the factory temperature differential control is chosen as the loading strategy for the storage tank B1 It can be adjusted or changed to target temperature control using the Parameters menu chapter 7 4 Parameters Activating the system see ...

Page 25: ...s chosen as the loading strategy for the storage tank B1 It can be adjusted or changed using the Parameters menu chapter 7 4 Parameters Loading strategy of solar circuit pump 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 d...

Page 26: ... solar circuit pump R1 is switched off the zone loading valve R2 switches off NOTE When no voltage is on the system the switching valve R2 must be set to the lower loading zone T2 Loading strategy of solar circuit pump R1 In the factory target tem perature control is chosen as the loading strategy for the storage tank B1 It can be adjusted or changed using the Parameters menu chapter 7 4 Parameter...

Page 27: ...the loading strategy for the storage tank B1 It can be adjusted or changed to target temperature control using the Parameters menu chapter 7 4 Parameters Loading strategy of solar circuit pump R2 It is not possible to select whether temperature differential control or target temperature control is to be used as the loading strategy Solar circuit pump R2 operates according to the switch on and swit...

Page 28: ...the Parameters menu chapter 7 4 Parameters Loading strategy of solar circuit pump R2 It is not possible to select whether temperature differential control or target temperature control is to be used as the loading strategy 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 7 2 Selec...

Page 29: ...ing valve R2 must be set to storage tank B1 Loading strategy of solar circuit pump R1 In the factory tempera ture differential control is chosen as the loading strategy for the storage tanks B1 B2 It can be adjusted or changed to target temperature con trol using the Parameters menu chapter 7 4 Parameters Activating the system see chapter 7 2 Selecting a system Terminal layout N L N R1 N n c n c X...

Page 30: ...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 7 2 Selecting a system Terminal layout N L N R1 N n c n c X L L n c 1 2 3 4 5 T1 T2 D1 230 V 115 V A1 C1 n c n c R2 n c n c...

Page 31: ...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 d...

Page 32: ...s control led externally Loading strategy of solar circuit pump R1 In the factory the load ing strategy is set to temperature differential control This cannot be altered Activating the system see chapter 7 2 Selecting a system Terminal layout N L N R1 N n c n c X L L n c 1 2 3 4 5 T1 T2 D1 R1 230 V 115 V A1 C1 R1 T2 n c n c T1 R2 n c n c F1 Display 2 3 3 Display 2 3 3 A1 collector array C1 swimmin...

Page 33: ... 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 7 4 Para...

Page 34: ...mp 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 ...

Page 35: ...e tank B1 It can be adjusted or changed to target temperature control using the Parameters menu chapter 7 4 Parameters Loading strategy of solar circuit pump R2 It is not possible to select whether temperature differential control or target temperature control is to be used as the loading strategy Solar circuit pump R2 operates according to the switch on and switch off temperature difference param...

Page 36: ...set to storage tank B1 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 7 4 Param eters Loading strategy of solar circuit pump R1 for swimming pool In the factory the loading strategy for t...

Page 37: ...ore making settings within a function you must perform the follow ing steps Selecting a function SET press button for approx 2 sec select the menu item Functions SET open the submenu Functions select a function Activating deactivating a function SET press button The display for activating on or deactivating off the function is shown SET press button for approx 2 sec The function is activated or de...

Page 38: ...ion 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 Functions submenu selected see Selecting a function see chapter 7 3 1 Circulation activated see Activating a function chapter 7 3 1 Outputs sele...

Page 39: ... Selecting a function see chapter 7 3 1 Circulation activated see Activating a function see chapter 7 3 1 Outputs selected see Selecting an output chapter 7 3 1 press button The Pulse controlled display appears SET press button Pulse control is activated press button The display for setting the pulse input circulation time and wait time appears SET press button Pulse input flashes choose the desir...

Page 40: ...age tank temperature input choose the desired input SET press button to confirm The on value flashes in the display set the on value SET press button to confirm The off value flashes after confirmation of the on value set the off value SET press button to confirm The settings are saved Activating time control press button The Time controlled display appears SET press button Time control is activat...

Page 41: ...difference Functions submenu selected see Selecting a function see chapter 7 3 1 Solid fuel boiler activated see Activating a function chapter 7 3 1 Outputs selected see Selecting an output chapter 7 3 1 press button The display for setting the temperature inputs and the switch on switch off temperature difference appears SET press button T flashes in the display storage tank temperature input cho...

Page 42: ...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 Functions submenu selected see Selecting a function see chapter 7 3 1 Quick charge function activated see Activating a function chapter 7 3 1 press button The display for setting the tempera...

Page 43: ...d the glycol proportion appears SET press button The flow rate determination method flashes in the display choose between Pulse generator use of a Direct Sensor or Without flow sensor SET press button to confirm The pulse value if Pulse generator is selected or sensor type if Direct Sensor is selected flashes in the display enter the value or type for the selected flow rate sensor for Pulse genera...

Page 44: ... point in time the flow rate must be determined and set once more for more precise calculation of the heat quantity If the collector is in a stagnant state pump starts are blocked in order to prevent damage A corresponding information window is displayed 7 3 7 Thermostat function This function allows a controller output to be controlled depending on a pre defined temperature range Depending on the...

Page 45: ... equal as otherwise the thermostat remains inactive Activating time control press button The Time controlled display appears SET press button Time control is activated press button The display for setting the duration appears SET press button The time value flashes set the time value SET confirm the value and go to the next value The settings are saved NOTE The switch on time must always be before...

Page 46: ...ching values appears SET press button T flashes in the display temperature input for the heat source choose the heat source s input SET press button to confirm T flashes in the display temperature input for the heat target choose the heat source s input SET press button to confirm The on value flashes after confirmation of the heat target input set the on value SET press button to confirm The off ...

Page 47: ...is blocked 7 3 9 Time function This function allows a controller output to be controlled depending on a pre defined time range Setting the time window Functions submenu selected see Selecting a function see chapter 7 3 1 Time function activated see Activating a function chapter 7 3 1 Outputs selected see Selecting an output chapter 7 3 1 press button The display for setting the duration appears SE...

Page 48: ...e appears SET press button The time window s start time flashes in the display set the start time SET confirm the value and go to the next value After confirmation of the time window the Interval duration the time between the tests flashes set the interval duration SET press button to confirm After confirmation of the Interval duration the Test duration duration for which the pump is switched on f...

Page 49: ...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 the holiday function is activated and the temperature in the stor age tank reaches 10 K below the set maximum storage tank temperature the controller attempts to systematically unload the lower part of the storage tank ...

Page 50: ...due to restricted water tank heat storage If collectors are mounted in locations exposed to wind If frost is expected for a long period of time only operate the system with heat transfer fluid It is recommended to generally use heat transfer fluid with anti freeze for solar energy systems 7 3 14 Display storage tank top function The display storage tank top function serves merely as an additional ...

Page 51: ...ion Sensor error Sensor cable short circuit interruption of sensor cable or no sensor con nected see chapter 11 Int clock failure For instance after a long power outage System error Volume flow fault in solar circuit or secondary circuit see chapter 11 Night circula tion Gravity circulation causes the collector to be heated at night see chapter 11 Piping error Collector pipes may be wrong way roun...

Page 52: ...re difference return increase switch off temperature difference return increase maximum temperature loading circuit 1 minimum temperature loading circuit 1 loading strategy storage tank 1 or storage tank 2 RPM control pump R1 7 4 1 Accessing and adjusting parameters Accessing parameters SET press button for approx 2 sec select the menu item Parameters SET open the submenu select a parameter Settin...

Page 53: ...e value flashes in the display e g T 60 C set the target temperature value SET press button to confirm The settings are saved 7 4 3 Setting the RPM control parameter Access the RPM control parameter see chapter 7 4 1 SET press button The display for activating yes or deactivating no the RPM control is shown Activating or deactivating the RPM control SET press button for approx 2 sec Choose between...

Page 54: ...y 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 sto...

Page 55: ... SET press button All values are reset to the factory settings The controller restarts The controller must now be reconfigured see chapter 5 Commissioning NOTE When the controller is reset to factory settings all settings return to the values they had upon delivery of the controller The following values are retained The min max values of the temperature sensors The outputs operating hours Max heat...

Page 56: ...tice they appear in various combinations 1 2 3 75 C max off 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 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 te...

Page 57: ...re NOTE The minimum and maximum values of the connected temperature sen sors are always logged and accessible The values stored can be reset at any time 8 3 Operating hours display for pumps switching valves Display of the operating hours choose the desired pump or valve SET access the information window The hours of operation logger is displayed Resetting the operating hours Operating hours calle...

Page 58: ...ation 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 can be repaired as quickly as possible and to avoid unnecessary costs Of course not all possible causes of problems can be listed here However here ...

Page 59: ...if necessary The pump symbol in the display does not rotate The maximum storage tank temperature has been reached The maximum collector temperature has been reached In multi storage tank systems the system has stopped due to a priority test The minimum collector temperature has not been reached The maximum loading temperature has been reached Stagnation reduction activated Storage tank deactivated...

Page 60: ...ause Procedure The pump symbol in the display rotates Air is in the solar circuit The isolating valve is closed 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 Procedure Temperature difference too small Collector sensor incorrectly positioned Adjust te...

Page 61: ... and which must be configured anew must be noted down in advance URVW SURWHFWLRQ IXQFWLRQ DQG E SDVV IXQFWLRQ FDQQRW EH DFWLYDWHG VLPXOWDQHRXVO Frost protection function and bypass function cannot be activated simultane ously Check frost protection concept QRW DYDLODEOH IRU SRRO V VWHPV Some functions are not available for systems with a swimming pool In swimming pool systems these functions must ...

Page 62: ...me 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 1LJKW FLUFXODWLRQ GHWHFWHG KHFN QRQ UHWXUQ YDOYHV DQG WKH WLPH VHW 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 ROOHFWRU FRQQHFWL...

Page 63: ...H WDQN SRRO GHDFWLYDWHG GXH WR VHDVRQ RU VWRUDJH SULRULW Loading of the storage tank pool was deactivated due to storage priority If this is not wanted loading can be reactivated via storage priority or season selection 3XPS RSHUDWLRQ QRW HQDEOHG DW SUHVHQW The collector is in a stagnant state pump starts are blocked in order to prevent damage Wait until the collector has cooled sufficiently befor...

Page 64: ...ence 1 system with external heat exchanger P 10 Temperature differential control storage tank 1 5 K switch off temperature differ ence 2 system with 2 collector arrays and external heat exchanger P 11 Temperature differential control storage tank 2 5 K switch off temperature differ ence 2 system with external heat exchanger P 12 Target temperature control storage tank 1 minimum collector temperatu...

Page 65: ...control storage tank 1 switch off temperature difference external heat exchanger P 32 Temperature differential control storage tank 2 switch off temperature difference external heat exchanger P 33 Quick charge OFF target temperature control storage tank 1 P 34 Quick charge ON and RPM control OFF P 35 Circulation ON and no time control and temperature control and pulse control P 36 Holiday function...

Page 66: ...and RS485 Ingress protection IP 20 DIN 40050 Protection class I Permitted ambient temperature 0 to 45 C Display Animated graphic LCD with backlighting Dimensions L x W x H mm 170 x 170 x 46 Software class A Type of action Type 1B Type of fastening for permanently con nected cables Type X Intended transport condition No information Degree of pollution 2 Ball pressure test temperature 850 C overvolt...

Page 67: ...n 8 K Switch off temperature difference 2 K 50 K When the switch on temperature difference be tween collector and storage tank is reached the storage tank is loaded Switch off temperature difference solar 1 and solar 2 Factory setting Adjustable down to min Adjustable up to max Description 4 K 0 K Switch on temperature dif ference 2 K When the switch off temperature difference between collector an...

Page 68: ...temperature is reached and in consideration of the other switch on conditions does the solar circuit pump switch on This value can be increased up to 20 K below the defined maximum collector temperature Switch on temperature difference return increase Factory setting Adjustable down to min Adjustable up to max Description 6 K Switch off temperature of return 2 K 50 K When the switch on temperature...

Page 69: ...ntil 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 Description Temperature differential control It is possible to choose between temperature dif ferential loading and target temperature load ing Depending on the selected loading st...

Page 70: ...witch off temperature 2 K Switch off temperature 35 C Switch on temperature 2 K 95 C Pulse controlled Circulation time 2 min 1 min 10 min Wait time 10 min 0 min 60 min Back up heating Factory setting Adjustable down to min Adjustable up to max Comment Temperature controlled Switch on temperature 55 C 0 C Switch off tem perature 2 K Switch off temperature 60 C Switch on temperature 2 K 95 C Time co...

Page 71: ...fference 3 K 0 K Switch on temperature difference 2 K Maximum heat target temperature 60 C 0 C 150 C Minimum heat source temperature 50 C 30 C 95 C Quick charge Factory setting Adjustable down to min Adjustable up to max Comment Temperature controlled Switch on temperature 50 C 0 C 95 C The switch off temperature is adjusted according to the hysteresis Switch off temperature 52 C Switch on tem per...

Page 72: ...te without a flow sensor Flow rate value for maximum 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 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 setting Adjustable down to min Adjusta...

Page 73: ...ence 2 K Maximum heat source temperature 100 C Minimum source tem perature 2 K 180 C Minimum heat source temperature 0 C 0 C Maximum source tempera ture 2 K Temperature limit heat target 60 C 0 C 95 C Time controlled 00 00 23 59 Programming a time period which goes beyond midnight 24 00 is not possible Time function Factory setting Adjustable down to min Adjustable up to max Comment Time controlle...

Page 74: ...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 setting Adjustable down to min Adjustable up to max Comment Minimum storage tank temperature 35 C 0 C 95 C If possible the storage tank is cooled down to the defined minimum temperature at night ...

Page 75: ...75 730 138 08 12 EN 14 Notes ...

Page 76: ...730138 ...

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