KT-Elektronik SOL3-3 Installation And Owner'S Manual Download Page 1

Solar controller

SOL3-3

Installation and operating
manual

Firmware version 1.07
April 2011

Summary of Contents for SOL3-3

Page 1: ...Solar controller SOL3 3 Installation and operating manual Firmware version 1 07 April 2011...

Page 2: ...r other financial losses are excluded This does not apply if the damage caused by intent or gross negligence In case of negligent violations of major contractual obligations our liability is limited t...

Page 3: ...tivate and deactivate functions 20 2 3 Edit settings 22 2 4 Sensor calibration 23 2 5 Reset to factory default settings 24 3 Manual operating mode 25 4 System variants 26 4 1 Extending the basic syste...

Page 4: ...er a valid individual access code 51 7 6 Temperature difference controller 52 8 Malfunction 53 8 1 Error list 53 8 2 Sensor failure 53 8 3 Temperature monitoring 54 8 4 Error status register 54 8 5 SM...

Page 5: ...erminal assignment for Outputs 70 11 3 6 Terminal assignment for inputs 70 12 Appendix 71 12 1 Function block lists 71 12 2 Parameter list 74 12 3 Resistance values 80 12 4 Technical specifications 81...

Page 6: ...d therefore ready for use The current date and time have to be set at initial operation of the controller Chapter 1 4 1 1 Controls The operational controls are located on the front side of the control...

Page 7: ...iour of unit standard position Turning off the control functions Controller remains in operation Manual operating mode manual switching of pumps and valves position presetting in percent Rotary switch...

Page 8: ...M Vacation OM Malfunction Frost protection OM 2 Solar circuit 3 Auxiliary heating domestic water circuit Automatic operating mode Automatic operating mode Night time operation Manual operating mode Da...

Page 9: ...n the pump is met but the pump is still off because of the minimum idle time Icon is on but disappears for a short time in intervals Condition to turn off the pump is met but the pump is still running...

Page 10: ...escribed Procedure Select value The screen now displays different items one after the other depending on the configuration of the controller __ __ Current time Flow temperature from the collector to t...

Page 11: ...n rotary switch to the position system time right hand Display shows current time setting Change the time setting Confirm the time set Display shows current year setting Change the year setting Confir...

Page 12: ...e control circuits are adjusted by means of their identification numbers shown in the display 3 Auxiliary heating 3 Domestic water circulation Setting FS Value range Time range day 1 7 1 7 1 2 3 4 5 6...

Page 13: ...rt time 15 minute increments Confirm start time Display STOP Change stop time 15 minute increments Confirm stop time Display START The second time range is adjusted the same way as the first one Repea...

Page 14: ...mode function is reset to 00 00 The party mode is set one after the other for each circuit with the rotary switch Setting FS Value range initiate or continue nominal operation 0 h 0 to 48 h Procedure...

Page 15: ...sequentially displayed Controller ID Memory usage Data logging module chapter 9 9 Modbus client address Operating hours of solar circuit Volume flow rate of flow sensor in solar circuit Current perfo...

Page 16: ...idays reselect and repeat the steps highlighted in grey Select End Leave menu holidays Note Holidays can alternatively be entered in level PA5 Chapter 2 2 Remove holiday In menu holidays select the ho...

Page 17: ...s for which the vacation shall be applied current vacation for heating circuit Rk1 The vacation can be assigned to a single circuit or to any combination of circuits Rk1 domestic water circuit To ente...

Page 18: ...nual KT Elektronik 1 8 Operation level stucture PA3 CO3 Solar circuit PA4 CO4 Auxiliary heating domestic water heating PA5 CO5 System wide PA6 CO6 Communication Anl system variant ID Fig 2 Level struc...

Page 19: ...presented by an identification number The variants are illustrated in chapter 4 The available controller functions are described in chapters 5 6 and 7 Editing the variant ID resets previously entered...

Page 20: ...pic CO3 Solar circuit CO4 Domestic water circuit auxiliary heating CO5 System wide CO6 Modbus Communication Procedure Switch to configuration and settings level Display shows 0 0 0 0 Enter a valid acc...

Page 21: ...settings Eventually the next function block parameter is displayed Once all settings are confirmed the function block will be left To configure more function blocks repeat the steps highlighted in gre...

Page 22: ...A5 System wide PA6 Modbus Communication Procedure Switch to configuration and settings level Display shows 0 0 0 0 Enter a valid access code Confirm code Display PA3 Select settings level Access setti...

Page 23: ...setting 0 in F20 Procedure Switch to configuration and settings level Display shows 0 0 0 0 Enter a valid access code Confirm code Display PA3 Select configuration level CO5 Access configuration leve...

Page 24: ...the parameters set in level PA3 to PA5 can be reset to factory default settings Procedure Switch to configuration and settings level Enter access code 1991 Confirm code 24 EB_37383_SOL3 3_EN002 Note...

Page 25: ...Operate the relay for auxiliary heating NH SU Operate the relay for the storage tank switching pump SUV CTP Operate the relay for the collector heat exchanger pump CTP TdS Operate the relay for the te...

Page 26: ...exchanger The following section shows 15 system variants all other1 differ only by the presence or absence of extensions as Auxiliary heating e g boiler electric cartridge heater Domestic water circu...

Page 27: ...KT Elektronik SOL3 3 System variant 2 I 0 0 Two collectors switching valve one storage tank System variant 3 I 0 0 Two collectors two pumps one storage tank EB_37383_SOL3 3_EN002 27...

Page 28: ...ting manual KT Elektronik System variant I o I 0 0 One collector one storage external heat exchanger System variant 2 o I 0 0 Two collectors switching valve one storage tank external heat exchanger 28...

Page 29: ...lektronik SOL3 3 System variant 3 o I 0 0 Two collectors two pumps one storage tank external heat exchanger System variant I 2 0 0 One collector two storage tanks switching valve EB_37383_SOL3 3_EN002...

Page 30: ...ating manual KT Elektronik System variant 2 2 0 0 Two collectors switching valve two storage tanks switching valve System variant 3 2 0 0 Two collectors two pumps two storage tanks switching valve 30...

Page 31: ...lektronik SOL3 3 System variant I o 2 0 0 One collector two storage tanks switching valve external heat exchanger System variant I 3 0 0 One collector two storage tanks two pumps EB_37383_SOL3 3_EN002...

Page 32: ...ing manual KT Elektronik System variant 2 3 0 0 Two collectors switching valve two storage tanks two pumps System variant I o 3 0 0 One collector two storage tanks two pumps external heat exchanger 32...

Page 33: ...tions heating circuit auxiliary heating and circulation are identified by the last two digits of the system variant ID xxx 0 0 no additional function xxx I 0 Auxiliary heating xxx 2 0 Circulation pump...

Page 34: ...ing manual KT Elektronik System variant I I 2 0 with circulation pump One collector one storage tank System variant I I 3 0 with auxiliary heating and circulation pump One collector one storage tank 3...

Page 35: ...ctor temperature sensor CF as well as the storage temperature sensor SF and turns the collector pump CP on once enough solar energy is available to heat up the storage The temperature chart shows how...

Page 36: ...off threshold again The pump remains running as long as the minimum running time has not elapsed Parameters for the basic function Setting FS Value range Description Direct input 8 K 1 to 50 K Turn on...

Page 37: ...eating buffer storage Depending on the achievable and the allowed storage temperature the solar heat is lead to the storage by means of a switching valve respectively two separate pumps The two logica...

Page 38: ...lapse of the specified time Charging time for low priority storage tank WE15 minutes charging is interrupted for the minimum idle time see section 5 1 At the end of this interruption it is newly decid...

Page 39: ...h can result to a senseless continued operation of the collector pump even without sunshine until the temperatures have changed A reliable turn off criteria can be obtained by using a return flow sens...

Page 40: ...tual measurement errors at CF CF SF CRF CVF CVF CRF A fixed flow rate value is assumed not available with rotation speed control CF SF CRF VST CF CRF Flow rate is measured eventual measurement errors...

Page 41: ...tive Heat capacity of carrier medium at 25 C in Wh Litre K 0 3 to 2 5 Wh LK Heat capacity of carrier medium at 100 C in Wh Litre K 0 3 to 2 5 Wh LK Correction factor 0 2 to 2 5 Volume flow rate Impuls...

Page 42: ...ly the collector temperature or collector flow sensor if present is considered It is adjusted to the programmed set point e g 60 C The programmed value is usually exceeded at high solar radiation the...

Page 43: ...eed 0 50 Maximum rotation speed 50 100 KP boost 0 1 to 50 0 TN reset time 1 to 999 s TV retention time Do not change value 5 7 Collector overheating protection If the collector temperature exceed this...

Page 44: ...tor sensor only slowly increases even if the collector is illuminated by the sun The start up function can be activated for these cases This function can only be used if the collector temperature is b...

Page 45: ...stall the two collectors each pointing in a different direction The controller can be used in systems operating in parallel mode with two collector arrays with one array having priority over the other...

Page 46: ...pump CTP is turned off with a defined delay CTP post run time once the turn off condition for the collector pump CP1 or CP2 has been reached The turn on delay and the post run time depend on the syste...

Page 47: ...use an energetically more favourable heat source with just a slight impairment of comfort The collector circuit has no impact on auxiliary heating if this parameter is set to 0K default factory setti...

Page 48: ...ant ID The return flow temperature sensor R F is realised with the terminal number 2 which was shown for heating circuit flow temperature sensor because without heating circuit the heating circuit flo...

Page 49: ...infection temperature The process begins at the programmed time Start time and ends not later than the programmed Stop time In systems with solar domestic water heating thermal disinfection is perform...

Page 50: ...positioned at stand by mode for all heating circuits However the storage tank is always recharged to 10 C in cases where the storage tank temperature drops below 5 C II Antifreeze program II The circ...

Page 51: ...grammed using the rotary switch Functions FS Configuration Locking the rotary switches 0 CO5 F22 1 7 5 Enter a valid individual access code The standard access code can be replaced by an individual co...

Page 52: ...parameter FS Range Temperature difference set point 10K 30 160 C Reference input 2 Terminal number 1 9 Controlled input 7 Terminal number 1 9 The facrory default setting of these parameteres is design...

Page 53: ...1 sensor failure chapter 8 2 Err 2 reserved Err 3 reserved Err 4 maximum charge temperature reached Err 5 reserved Err 6 temperature monitoring alarm chapter 8 3 Err 7 unauthorized access captured cha...

Page 54: ...ial up connection to the building control system BCS to report the status change The errors that should affect the error status register can be set after having entered the access code 0025 The defaul...

Page 55: ...med number of times The providers SMS service numbers TAPnr in Germany at the time of writing are D1 0171 252 1002 0171 252 1099 alternatively available E Plus 0177 1167 Cellnet UK 0044 786 098 0480 m...

Page 56: ...automatic communication is basically only initiated in case of failures The controller operates in an autonomous way but can be contacted read out and adjusted at any time via modem 2 wire bus operat...

Page 57: ...5 requires a permanent bus connection data cable Each controller and control unit is wired to an open token ring The end of the wire is connected to the building control system via an RS 485 RS 232 co...

Page 58: ...tion and over voltage voltage surge protection have to be attended to Functions FS Configuration Modbus 1 CO6 F01 1 Modbus with 16 bit addressing 0 CO6 F02 1 Modem function 0 CO6 F03 1 Automatic modem...

Page 59: ...an SMS delivery are triggered Bit D6 is deleted as soon as the error status register is read out by the building control system and the connection is terminated The function modem dial up blocking ca...

Page 60: ...OM232M 9 4 Data Modem DataMod11 The connector for the optional data modem DataMod11 Mat No 11991 is located on the left side front panel view inside the controller housing RJ45 connector Settings and...

Page 61: ...Bus meters into building control systems of HVAC system networks The ModBus MBus Gateway allows an easy to handle connection of heat electricity or water flow meters Up to 6 meter according to EN 143...

Page 62: ...ol system including area code if needed has to be entered here Short dialling breaks can be provided by entering a P where each P equals 1 second the end of the dialling string has to be indicated by...

Page 63: ...and data programmed schedules and heat meter data 55Viewer also allows to modify controller parameters A personal computer with the following minimum requirements is needed PC with a Pentium II proces...

Page 64: ...The current memory capacity can be viewed in the advanced information level it is the second value displayed range 0 to 6035 in menu item Info 2 chapter 1 7 After plugging in the data logging module t...

Page 65: ...on according to chapter 11 7 Remount housing 8 Tighten both screws 1 Wall mounting 1 Loose both screws 1 2 Separate housing and mounting panel 3 Eventually drill holes at the predefined positions with...

Page 66: ...Installation and operating manual KT Elektronik Figure 12 Mounting 66 EB_37383_SOL3 3_EN002...

Page 67: ...he central earthing point is to be connected to the protective earth conductor PE with the shortest possible cable 10 mm in diameter Inductances in the cabinet like contactor coils are to be supplied...

Page 68: ...be set from terminal 18 to 28 11 3 2 Connecting the pumps All wires with a minimum diameter of 1 5 mm are to be connected to the controller according the wiring diagram The relay outputs are isolated...

Page 69: ...of the controller housing applies to most of the possible system variants Certain system variant configuration require a different usage of single relay outputs The following table shows the assignme...

Page 70: ...0 0 CP1 CUV SUV 2 3 0 0 CUV SP1 SP2 2 o I 0 0 CP1 CUV CTP 3 I 0 0 CP1 CP2 3 I I 0 CP1 CP2 NH 3 I 2 0 CP1 CP2 ZP 3 2 0 0 CP1 CP2 SUV 3 o I 0 0 CP1 CP2 CTP 11 3 6 Terminal assignment for inputs The assi...

Page 71: ...ity at 25 C Heat capacity at 100 C 06 Heat meter impulse source 0 see section 5 5 CO3 F06 1 Volume flow rate sensor active Function block parameter Impulse value CO3 F06 0 Volume flow rate replacement...

Page 72: ...eturn flow volume flow rate and power settings is locked F Function F S Function block parameter description value range factory default setting 01 02 03 Sensor initialization 1 Pt 1000 04 Summer oper...

Page 73: ...1 Rotary switch has no functionality F Function block number FS Factory default setting CO6 Modbus F Function FS Function block parameter description value range factory default setting 01 Modbus 1 CO...

Page 74: ...for collector pump 0 to 1800 s 60s Minimum idle time for collector pump 0 to 1800 s 1800s Maximum storage tank temperature Turn off condition 20 to 160 C 60 C parameter for second storage is addition...

Page 75: ...for low priority storage tank only for priority type 3 0 to 120 min 150 min Minimum storage temperature for storage tank charging only for priority type 2 5 to 90 C 30 C Maximum collector temperature...

Page 76: ...emperature turn off condition 20 to 50 C 30 C Minimum collector temperature turn on condition 20 to 50 C 35 C Minimum running time for array before switching 0 to 1800 s 60s Turn on delay for collecto...

Page 77: ...default Set point storage tank temperature day time OM 5 to 90 C 45 C Set point storage tank temperature night time OM 5 to 90 C 10 C Differential gap for storage tank temperature 0 to 30 C 5 C Auxil...

Page 78: ...n Parameter name Value range Holidays 01 01 to 31 12 chapter 1 7 1 Vacation times 01 01 to 31 12 chapter 1 7 2 PA6 Modbus parameter Symbol Icon Parameter name Value range Modbus client address 1 to 24...

Page 79: ...ber of BCS dial attempts C 0 to 255 15 Phone number of the BCS TELnr max 22 digits 1 2 3 9 0 End of string P Pause SMS service numbers TAPnr max 22 digits 1 2 3 9 0 End of string P Pause Subscriber nu...

Page 80: ...ve required and 5267 2 contact sensor Room temperature sensor type 5257 1 type 5257 5 room control unit Temperature Resistance value with Pt1000 sensor 40 C 842 7 30 C 882 0 20 C 921 6 10 C 960 9 0 C...

Page 81: ...wo wire bus connection via communication module iCon485 Modbus RTU protocol data format 8N1 sidewise RJ45 connector 1 x Interface for data logging module 1 x Interface for memory module Operating volt...

Page 82: ...nect to the Public Switched Telephone Network PSTN 11993 ModTCP Modbus TCP Gateway 11996 CoRe01 Converter Repeater for RS232 or RS485 interfaces 11998 SA5000 RS485 Surge protection 11995 USB CO3 RS485...

Page 83: ...ektronik SOL3 3 12 6 Function block settings in configuration levels CO1 CO3 CO4 CO5 CO6 F01 F02 F03 F04 F05 F06 F07 F08 F09 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 EB_37383_SOL3 3_EN0...

Page 84: ...ting circuit GLT Building master control system station Kl Terminal KW Cold water PA Parameter level RF Room sensor Rk Control circuit R F Return flow sensor SF Storage sensor SLP storage tank charge...

Page 85: ...ctory setting I999 Locking unlocking the extended information level I995 Changing the access code for parameter setting and configuration I99 I Load default factory settings 0025 Changing error displa...

Page 86: ...Installation and operating manual KT Elektronik 86 EB_37383_SOL3 3_EN002...

Page 87: ...KT Elektronik SOL3 3 EB_37383_SOL3 3_EN002 87...

Page 88: ...KT Elektronik GmbH Berlinickestrasse 11 12165 Berlin Telephone 030 79 08 05 0 Telefax 030 79 08 05 20 e mail info kt elektronik de Internet http www kt elektronik de EB_37383_SOL3 3_EN002 05 2011...

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