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HEAT METER CALCULATOR SKS – 3

1. for example Customer number Parameters marked with should be programmed as shown in Fig 7 3 Select the parameter to be modified then enter measurement channel selection mode by holding down 2 nd pressure button lt Choose flow temperature or pressure channels measurement channel and select required measurement channel number by lt UL ON OFF shortly pressing button lt then activate or deactivate selected measurement channel by shortly pressing button gt Parameter codes meanings and acceptable limits are listed in Appendix A Save changes by holding button lt pressed and return to previous display mode All parameters marked with in Fig 7 1 can be modified in the same way Fig 7 3 Setting up parameters marked with for example pressure measurement channel Sequence of displayed parameters may vary depending on selected measurement scheme and number of sensors installed Note The displayed parameters listing order can vary or some parameters aren t displayed depending on regional user requirements Heat meter calculator SKS 3 22 PESKS3MID01 Configuration of calculator is possible via optical or Wire interface and in conjunction with the programme SKS3knfg exe Parameterization programming procedure Measurement schemes and energy calculation algorithms should be checked according to individual heat meter data see Paragraph 13 and other configuration parameter
2. ds Wan A tugruenuji Tss X IYA X 11d iando Z AMA I 398J13 U Ta II d s ursyr 4I sejonzews jesed SOnIDIEMS Ed 00 IEN EPA 6 6666 0 0 Z AB 1 SLIZUINU SOUI9 SIS 3uo7 uopg n3 8 gt diguyu o 10 INJEA IINSSAI A sun 3 qg1d 33E INLA uondri32s Gq JIQGUINU 19 3UWIEIE d AIJIUIBIC J ST Ijq dIe uo diissap sapod sisjourvaed Jo EIEnp UONvINSYUO VY AQEL uonegnunuoo y x uuyv PESKS3MID01 Heat meter calculator SKS 3 Annex B 56 57 58 59 50 60 61 62 63 50 69 17 16 18 ae ee RS sas sai eae U Power supply module SKM37 Ss a Communication module SKU45 73 pa ps pe p7 ps EECHER III UI WU WU WU WWW WWW WU MV sid zle lat 7 3 4 8 50 68 11 50 55 L q 230 V Ground 76 EE 27 50 Hz peor Z u s Ki H I2 78 9 e Nn SEER a at GU 4 He E T2 Dan H F2 oe Q R Qa z Power eman 64 Jee oi 67 gab e a m ts VA 5 2 5 Vo v 55 Jr Pulse sl Je ss 59 5 jal ale E 54 TAS V EE a S T3 69 Current Current sol or d Je Fig B1 4 wire conection method for tempetaturecse Tl T5 temperature sensors V1 V5 flow sensors pl p2 pressure sensors F1 Fi pulse outputs Remarks 1 Only required for selected measurement scheme sensors should be connected 2 Pressure sensors presented in this diagram are powered from separate power source
3. LU S n EA SidzoWeIed JO 3 ou i jIp 10 Le I uopipuoo JJe 103 Joiamg1gd Jo aqoumny J quinu 13l3uIEIEd Sum 21dEIdaaag ADUIUINS 19 UIM deeds we d D RDURIS T WYyWAOS e DO EIDOIEA X uaisAs pu z 10 TN 0N uaisis s I 10J pV Ou UOISAIA U19 S S XX 9 19UA A XX Si 0 p321eAn3p p SI J JLIEd 23 19339 Ou UIAJ Jed p 3 EADn3E q 10096 0096 T008F 008 00FZ OOPT H0021 OOTI A009 009 W00 00 0 WOJ 6A139301 vwy Aep q 67 002 10 66666 0 eum qg d 33 anjeA SLOSUIS IANSSIId uno2z JO Iert SIOSUOS ammer dwa IUNIE JO ST T SIOSUIS AOU IUJ JO ISIT EIED 93EJ 9 ur uoruS3runurur02 BLS UONIPUOD JANIE HUE 9 urg r ed JO n EA ploYyse 1y pued 191SI9 I UE ET Jo uonipuo2 WYWIOSTe UEMA AS19ua EUY PUB ui u os JUSUIOANSBd A sti ca sesaipe SO ESES OIS 2I ysnq 337861 I JSE I Ioqui s a zk OquIAS uopIpuo2 2AILOE HUEL t n F8A Dous i9 urg red 1191SI89 1 ULI 27177 JO uonipuop Za y uo7 uondrio5s Gq 3p0o2 191 uIEJIE d UOBALIISIP sapod si9 tuzaEd Jo EIEp UOYEMTSYUOQ F AQEL uongenunuo v x ouuv PESKS3MID01 40 Heat meter calculator SKS 3 SIOSUDS nsSs d ur 38 JO Iert 1 SO 1O SIOSu S JO si9qnN N SIOSUIS 3 1N JVAICUIA unog JO IST SIOSUIS JO SIOGNN SIOSUIS AOU I
4. Time when flow rate q3 is below programmed minimum allowed value Time when flow rate q4 is below programmed minimum allowed value PESKS3MIDO1 Ka Heat meter calculator SKS 3 LA LA Table 8 cont Symbol on the Measurement unit Parameter upper part of parameter symbol code display Zone C Zone E Zone A Parameter value Zone B Time when flow rate ql exceeds maximum allowed value allowed value allowed value To move to the next level PRN press and hold button P 2 h 4 Time when flow rate q2 exceeds maximum allowed value 8 5 Printing reports level 4 Connect printer to calculator using external communication interface or optical communication adapter Printer serial port data transfer rate should be the same as defined in calculator settings Printer should be set to condensed printing mode For printing report via wire interface in configuration parameter 18 to set value 1 for printing via optical interface to set value 2 see page 18 Spausdintuvas I nn Fig 8 6 Conection of printer via optilal interface To enter report printing mode press and hold button P gt several times until label PRN is reached LCD will display the following EI CR Time interval Pra nt Gr Select blinking LCD zone report type time interval or heating system number by shortly pressing button lt Define the following report options by shortly pressing
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6. Displayed fluid volume mass programmed flow lowest digit value rate m h flow pulse output value m Heat meter calculator SKS 3 11 PESKS3MIDO1 2 8 Measured and recorded parameters are listed in the Table 4 Table 4 Display capacit Arbitrary PAE Recorded in Parameter measurement units symbol archive measurement ranges Integral parameters YE Total energy consumed in 1 st and 2 nd system Sdigits El Energy consumed in 1 st system MWh Gcal GJ E2 Energy consumed in 2 nd system Energy consumed for heating in 1 st system or L3 tariff energy VI MI Fluid volume mass in 1 st system 8 digits V2 M2 Fluid volume mass in 2 nd system m t M2 Reverse flow fluid mass in 2 nd channel only for 8 digits winter summer algorithm m t M1 M2 Fluid volume mass difference between 1 stand 8 digits 2 nd measurement channels t V3 M3 Fluid volume mass in 3 rd system 8 digits V4 M4 Fluid volume mass in 4 th system m t M3 M4 8 digits Absolute values every hour alterations every hour day and month ES Fluid volume mass difference between 3 rd and 4 th measurement channels tat Operation time of 1 st heating system 8 digits tao Operation time of 2 nd heating system 0 01 h ty Ery ER V5 Er S digit Er 5 digits Fluid volume mass in 5 th channel 8 digits m Instantaneous parameters Total instantaneous thermal power on 1 st and 2 nd sys
7. EN1434 2 2007 for wall mounting of calculator It can be used for wall mounting if the aperture in the wall is too large for the calculator 1 calculator SKS 3 2 adapter plate 3 screw M4x6 4 screw M4x12 Heat meter calculator SKS 3 AQ PESKS3MIDO1 Annex D cont D3 Wall mounting with possibility sealing of mounting D4 Mounting on standard DIN rail Heat meter calculator SKS 3 50 PESKS3MIDO1 Annex D cont Self tappir screw JKE a DN 25 32 b DN 50 D6 Mounting on flow sensor type SDU 1 Flow temperature max 90 C Heat meter calculator SKS 3 51 PESKS3MIDO1 Heat meter calculator SKS 3 52 PESKS3MIDO1
8. Energy to the main register El is counted when conditions of one of the activated tariffs are not fulfilled When the tariff with the condition T1 lt T2 is active energy Et is calculated by formulas in 1 Table marked with Alternate of thermal energy is calculated each 10 s depending on water volume and measured temperatures by formulas depending on selected measurement scheme Table 1 Heat meter calculator SKS 3 9 PESKS3MIDO1 2 3 Temperature measurement Number of sensor inputs measurement channels 1 5 Temperature sensors type Standard version Pt500 by order Pt1000 Absolute temperature measurement error no more than 0 3 C Sensor connection method 2 wire 4 wire Max cable length between calculator and each of the sensors for the 4 wire method not more than 200 m for the 2 wire method not more than 5 m Measuring range 0 160 C Displaying range 40 160 C Temperature difference 01 02 and 03 04 measuring range 2 160 C Resolution of temperatures and temperature difference 0 1 C Recorded errors and error duration gt 160 C or open circuit lt 40 C or short circuit temperature difference 1 2 or 3 0 4 is below programmed A min value See cl 8 6 2 4 Flow measurement Number of pulse inputs UE Pulse Input device class IB or IC 1f notse filter 1s not avallable Pulse value programmable Input noise filter programmable only for class IB Max cable leng
9. If relay output current exceeds 2 A it may damage output circuits It is recommended to use additional protection circuits to protect relay outputs from damage Operation safety requires reliable insolation of electrical circuits stable mounting of calculating unit and proper grounding of all system components Safety requirements for flow temperature and pressure sensors are provided in appropriate technical documentation EC DECLARACION OF CONFORMITY AB Axis Industries herewith declares that this product complies with the relevant requirements of the following directives 2004 22 EC Measuring instruments Directive 2004 108 EC EMC Directive 2006 95 EC Low voltage Directive EC type examination certificate LT 1621 M1I004 001 Heat meter calculator SKS 3 3 PESKS3MIDO1 1 APPLICATION FIELD SKS 3 is designed for metering and monitoring of heating and cooling energy in closed or open heating cooling systems installed in dwelling houses office buildings or energy plants The calculator SKS 3 is a sub assembly of a heat meter together with standard flow sensors based on ultrasonic electromagnetic or mechanical measurement principle with standard pulse output temperature and pressure sensors SKS 3 measures and calculates supplied flow parameters displays measurement data on the display records and stores data in the internal archive Heat meter calculator SKS 3 corresponds to essential requirements of the Tech
10. PESKS3MIDO1 Annex B cont quang quane 2 wire conection method of temperature sensors 4 wire conection method of temperature sensors and jumper U is in position 18V a when pressure sensors are connected using two wire connection 4 20 mA and power is supplied from the calculator 18V ed O lt z a S 3 2 S es p 0 kel 0 B Ka O Qi o D L CH GER p 0 p e N bas SIS et m P Nn 3 Go lt Sri 5 Ne SC emm S N D oC ES N 2 wire conection method of temperature sensors 4 wire conection method of temperature sensors and jumper U is in position 18 V b when pressure sensors are connected using three wire connection and power is supplied from the calculator 18V Fig B3 Other options to connect pressure sensors Heat meter calculator SKS 3 A5 PESKS3MIDO1 Annex B cont 70 H 72 26 27 28 EH o ODO N 50 Hz 2Afuse l Cod Valve contacts ef ooe Fig B4 Diagram for connecting the regulating valve regulating function Valve power supply is 230 V 9 iif 1of1 52 115311 54 Power supply Output pulses Flow direction signal Ground Fig B5 Flow sensor V2 connection diagram for energy measurement algorithm 3 winter summer Remark Flow sensor V2 should generate addition flow direction indication signal electrical parameters should be iden
11. Press the programming button SET once more to leave test mode flow m After leaving test mode previously recorded Integral parameter values are displayed Heat energy test mode 8 8 Remote data transmission 8 8 1 For data transmission from the calculator to the data reading device can be used the optical interface optical head is placed on the front panel of the calculator as shown in Figure 8 6 and is connected to interface RS 232 of data reading device or other wired serial interface depending on type of the completed module of communication under table 7 8 8 2 As the reading device it is possible to use the computer the telephone modem modem GSM the Internet modem and so on Scheme of direct connection of calculator to interface RS 232 of PC is presented in fig 6 of Annex B Scheme of direct connection of calculator to interface RS 232 of modem or printer in fig 7 of Annex B The data reading rate and parity it is switched off or even on the data reading device should correspond to established on the calculator 8 8 3 By using the serial communication interface it is possible to perform In normal mode To read out all measured data and the data from calculator archive To read out and change the settings of regulator To read out the configuration settings of calculator In parameterization mode SET this can be activated by pressing the button SET Heat meter calculator SKS 3 36 PESKS3MIDO1 To
12. Sequence of displayed parameters may vary depending on selected measurement scheme and number of installed sensors The displayed parameters listing order can vary or some parameters aren t displayed depending on regional user requirements 8 2 Displaying integral parameter values level 1 It is possible to display the following integral measured values in 1 display level INT E1 E2 El E2 E3 MI V 1 M2 V2 M2 M1 M2 M3 V3 M4 V4 M3 M4 operation time measurement errors To move to another parameter value in the same display level shortly press buttons next parameter previous parameter Fig 8 4 Sequence of displayed parameters may vary depending on selected measurement scheme and number of sensors installed To return to the instantaneous parameters level press and hold button gt Heat meter calculator SKS 3 27 PESKS3MIDO1 Reverse flow fluid volume mass for 2 nd channel winter summer operation mode only EE G3G50325 uw Energy E1 consumed in 1 st system E 00000325 u w Energy E2 consumed in 2 nd system or in tariff register LZ deal 3 COSGGI2 Ss mw Energy E3 consumed in 1 st system for heating or in tariff register Ac 1 st channel fluid volume or mass tJ 2 ef br 0000325 2 nd channel fluid volume or mass E volume or mass TL _ DDDDB Operating time without energy calculation error hours EE Fi
13. beside the terminal pins 46 48 Marking on the jumper board will show the functional description of the pins Heat meter calculator SKS 3 24 PESKS3MIDO1 required current limits of the 1 st and 2 nd current outputs are set by switching the jumpers I1 and I2 into one of the following positions 4 20 mA or 0 20 mA If the calculator 1s equipped with universal interface module including M bus CL RS 232 interfaces and two pulse outputs M bus CL or RS 232 interface is activated by plugging in the jumpers CL M bus RS 232 in such way that required interface type appears beside the terminal pins Ap AS Marking on the jumper board will show the functional description of the pins required type of pulses output are set by switching the jumpers P1 P2 GND Galvanically isolated passive pulses outputs not jumpers Not galvanically isolated active 18 V pulses output Puls1 GND and P1 Not galvanically isolated active 18 V pulses output Puls2 GND and RI Optional modules Exchanging of modules Calculator may be delivered with 230 V power supply module or 3 6 V battery power supply and one of the four external communication modules Possible options are listed in the paragraph 3 Communication module types and specific application restrictions are described in the Table 7 Table 7 Communication module type Purpose functions Application restrictions SKS43 Allows
14. button P report type Ac printing consolidated report Er printing error list In printing current values if integral parameters CF printing device configuration parameters Heat meter calculator SKS 3 34 PESKS3MIDO1 RL printing current parameter values time interval H printing hourly average parameter values D printing daily average parameter values M printing monthly average parameter values heating system number 1 printing report for 1 st heating system 2 printing report for 2 nd heating system Holding down button 4 will allow to select report starting date and time LCD displays Starting date and time should be defined First character starts blinking Press button lt to move to another character selected character starts blinking Required value can be set by shortly pressing button gt For hourly report starting hour day and month should be defined For daily report starting day and month for monthly report only starting month should be defined Holding down button lt stores the selection and report ending date selection mode will be activated LCD displays Report ending date and time is defined in the same way as describe above Printing will start after holding down button lt one more time While report is being printed blinking label Print will be displayed Printing can be paused and started again for example to add paper by shortly pres
15. condition of tariff and set allowed swichover values check report printing language E English P Russian L Lithuanian set communication interface address and data transfer rate check and set if necessary real time clock and calendar set suggested next battery replacement date or current date plus 12 years for mains power supply version Suggested battery replacement date is calculated by adding estimated battery operation time to the current date Estimated battery operation time is given in the Table 6 Table 6 Number of flow sensors powered from calculator battery Battery operation time years 12 BR EC 8 set parameters for pulse outputs PULSE and PULSE2 When required integral parameter energy or flow volume is selected output pulses are generated on pulse output Pulse value will correspond to the lowest digit of indicated parameter When instantaneous parameter power temperature or pressure is selected signal with frequency from 0 to 1000 Hz is generated or output current changes within appropriate range that corresponds to normalized measurement values of selected parameter if current output is available Setting regulator or alarm signal relay output parameters Set regulator or alarm signal relay output parameters only for mains supply version when regulation or alarm options are available select regulated controlled parameter or deactivate relay output set upper parameter range v
16. connecting the device to M bus Suitable for all power M bus network up to 254 devices in parallel in supply options distance up to 2 km SKU45 User may choose one of three available Only for 230 V power Universal with two current interfaces M bus CL RS 232 supply outputs Two current outputs are available with user selectable current limits 4 20 mA or 0 20 mA SKU46 User may choose one of three available Only for 230 V power Universal with two pulse interfaces M bus CL RS 232 supply outputs Two pulse outputs are available with user selectable type galvanically isolated passive pulses or not galvanically isolated active 18V pulses SKS48 Distance up to 15 m Designed to connect Suitable for all power Special type compatible with equipment with RS 232 interface where supply options RS 232 interface RTS 9 412 V and DTR 9 12 V signals are used Mains supply or battery module is in the bottom part of the calculator on the right side beside the terminal block while communication interface module is on the left side Modules can be exchanged on site by opening the lid unscrewing the appropriate fixing bolt and pulling out the module from the connector Disconnect the equipment from mains supply before replacing modules 7 5 Verification of installation and set up After installing the heat meter let measured fluid flow through the flow sensor and switch on the power supply Measured parameter v
17. energy is not available Note The requirements of the Directive 2004 22 EC are applied to measuring circuits U1 and U2 The national technical rules are applied to the following measuring circuits U3 Al A2 A3 A4 UO UO is applied only to measurement of individual parameters flow temperature pressure and is not used for accounting of thermal energy 2 At least one of the programmed measurement schemes of calculator must be U1 or U2 32 _ For these diagrams it is provided tariffing and measurement of energy for cooling function In this case it is possible to apply to the second heating system only the scheme UO Heat meter calculator SKS 3 4 PESKS3MIDO1 Number of heating Type of permissible measuring Number of flow Number of system circuits sensors temperature sensors First heating system U1 U2 U3 Al A2 A3 A4 V1 V2 T1 T2 TS 4 Second heating system UO U1 U2 V3 V4 V5 Note Pressure sensors pl p2 are intended for the application in any heating system Measurement diagrams and energy calculation formulas are provided in the Table 1 Flow temperature and pressure measurement channels that are not used for heat energy measurement can be used to monitor other parameters Measured volume can be converted into weight expression using practically measured flow temperature Heat meter calculator SKS 3 5 PESKS3MIDO1 0 lt L I LS in1g1oduio1 Ul SOUSIOJJIP E YUM p lg no go st q ZIU guLti U u
18. flow sensor 0 When placing orders please find type reference examples for sub assemblies flow temperature and pressure sensors selected from Chapter 3 in related technical documents Heat meter calculator SKS 3 Q PESKS3MIDO1 2 TECHNICAL DATA 2 1 General information Only technical description of calculator is provided in this document Technical description of other sub assemblies flow temperature pressure sensors according to the modification selected by customer as described in the paragraph 3 is provided in appropriate technical documents 2 2 Heat energy measurement 2 2 1 Heat energy measurement error of calculator not more than 0 5 2 AO Where A temperature difference between measured flow and return temperatures C depending on energy calculation formula from Table 1 The smallest temperature difference from 1 02 and 1 5 is used to calculate heating energy El for measurement diagrams Al A2 A4 2 2 2 Heat energy calculation Consumed heat energy is calculated according to formulas provided in Table 1 It is possible to perform calculations in two ways using pressure values programmed individually for each particular heating system practically measured 1 st pressure channel corresponds to the supply pipe 2 nd return pipe Possible heat energy measurement algorithms individually selected for each particular measurement system e standard unidirectio
19. in Table 5 Other types of flow sensors can also be used if they correspond to requirements provided in paragraph 2 Flow sensors are connected to the calculator using two wire or three wire cable Flow sensors can be powered from calculator power supply from own internal battery or directly from mains power source Operation principles of flow sensors are described in appropriate technical documents provided together with flow sensors Heat meter calculator SKS 3 Is multi channell programmable measurement device It can measure and record simultaneously parameters from 2 heating systems up to 5 temperature measurement channels up to 5 flow measurement channels and up to 2 pressure measurement channels Heat meter calculator SKS 3 15 PESKS3MIDO1 The user may select one of eight possible measurement scheme depending on measurement system configuration and in justice to the heating conditioning scheme type Sensor output signals are passed to appropriate calculator s inputs flow rate values are transmitted as pulses pressure values are transmitted as limited current temperature values are transmitted as resistance alterations Later analog signals are converted into digital code and used by microprocessor to calculate flow rate temperature and pressure on relevant measurement channel Consumed fluid volume corresponds to received number of metering pulses taking into account pulse value Consumed fluid mass is calculated by int
20. q4 q5 temperature O1 2 3 4 5 or pressure pl p2 pulses 2 11 Regulation functions additionally Using electrically controlled valve gives the possibility e automatically maintain selected parameter value within defined limits e prevent selected parameter from exceeding maximum allowed value e prevent selected parameter from falling below minimal allowed value Following parameters can be selected for regulation e any thermal power P1 P3 any flow rate ql q5 or any flow rate difference ql q2 or q3 q4 any temperature 1 5 any temperature difference O1 2 or 3 4 any pressure pl or p2 or pressure difference p1 p2 Heat meter calculator SKS 3 13 PESKS3MIDO1 NOTE Regulation will be efficient only if regulated valve is installed in such way that it can inpact regulated parameter Regulation speed time interval from fully opening the valve to fully closing the valve can be selected within boundaries 10 999 s Following electrically controlled valves may be used for regulation e with separate control inputs for opening and closing the valve e where current required to open or close the valve does not exced 2A e where voltage required to open or close the valve does not exceed 230 V control voltage is different from 230V 50Hz appropriate additional valve power supply module should be used e where time interval from fully opening the valve to fully closing the valve is with
21. th hour Press and hold button lt while time is displayed to select required time interval date is displayed and first character starts blinking it is possible to select required time interval now Move cursor blinking character in closed circle by shortly pressing button lt Alterate selected value by shortly pressing button P gt Confirm the selection and return to previous display level by holding down button lt Select parameter group by shortly pressing button lt while parameter is displayed display zone D H hourly values increase average hourly pressure and temperature values group with registered error and error occurrence time D daily values increase average daily pressure and temperature values group with registered error and error occurrence time M monthly values increase average monthly pressure and temperature values group with registered error and error occurrence time no symbol group of absolute parameter values at the real time point Zone C Zone E Measurement units or parameter type Zone D Parameter Parameter number Zone A Parameter code Zone B Parameter value Shortly pressing button P gt while parameter is displayed will allow to select desired time point or interval List of parameters is presented In the Table 8 Heat meter calculator SKS 3 3 PESKS3MIDO1 Table 8 Symbol on the Measurement unit Parameter Parameter value Zone B Fluid ma
22. that occurred during the last hour day and month Archive data is retained even if device is disconnected from power supply for the whole lifetime period Data logger capacity up to 32 last months for daily and monthly records up to 3 5 last months 2600 hours for hourly records 2 10 External communication modules and interfaces Optical interface EN 62056 21 2003 IEC 62056 21 2002 integrated into the front panel The following communication modules are available as options Two configurable pulse frequency outputs available only with optional plug in multi Active 18 V when mains supply module SKU46 with pulse outputs Passive Umax42 V I lt 20 mA Two configurable current outputs available only with optional plug in multi module SKU45 with current outputs 0 20mA or 4 20mA Configurable double relay output for limiting regulation or alarm function Available only with mains power supply module see paragraphs 2 11 and 2 12 230V 2A Serial digital communication interface M bus CL or RS 232 as optional plug in module The configurable pulse frequency output in pulse mode can be used for thermal energy E El E2 E3 or quantity of water V1 M1 V2 M2 V3 M3 V4 M4 V5 pulses Pulse value will correspond to the lowest digit of indicated parameter The configurable pulse frequency or current output in frequency mode can be used for thermal power gt P P1 P2 P3 flow rate ql q2 q3
23. value o temperature GIS if measurement of 5 is deactivated SET UZ Sa Lan za 5 value are applied to all months Minimum value of temperature difference Minimum value of temperature difference 1 2 For example 2 C Minimum projected value of temperature difference 1 2 For example 2 C Heat meter calculator SKS 3 Minimum projected value of temperature difference Se e 1 st pressure input current limits 4 20 mA 2 nd pressure input current limits 4 20 mA IS me ELE 1 st input maximum rated pressure value For example 2500 kPa ISL SET kPa 5 anI F FF 2 nd input maximum rated pressure value For example 2500 kPa Pressure value for calculation 1 system Standard value 1 6 MPa EC SET kPa 2 IDE BULL Pressure value for calculation 2 system Standard value 1 6MPa f M Wh Thermal energy units For example MWh Report printing by wire interface 1 by optical interface 2 and report language For example L lithuanian 21 y 1 st pulse frequency output parameter For example 5 20 PU S 2 nd pulse frequency output parameter For example 5 Regulation funcion activated On For example regulated parameter 5 Lower limit min value for regulated parameter For example SET DD KS T UR lt Re k SC limit min value for regulated parameter For example 5 max 110
24. 1 and 2 measurement systems are functioning normally normal operation time for each measurement system total failure time when at least one temperature or flow sensor is broken failure time for each measurement system in the case of temperature or flow sensor failure time when flow rate exceeds programmed maximum allowed value for channels ol od time when flow rate is under programmed minimum allowed value for channels ol od time when temperature difference is under programmed minimum allowed value 1 02 or 03 04 Display resolution e the real time display Is e for operating time display 0 01 h Time of storage date not less than 10 years 2 7 Display LCD The device is equipped with 8 digits LCD Liquid Crystal Display with special symbols to display parameters measurement units and operation modes The following information can be displayed integral and instantaneous measured parameters listed in the Table 4 archive data listed in Table 4 device configuration information see Fig 8 7 report printing control information see Fig 8 5 Display resolution directly corresponding with pulse output value depending on programmed maximum flow rate value the highest value in the energy calculation formula for each particular heating system is provided in the Table 3 Table 3 Displayed energy lowest digit Maximum value energy pulse output value of value thermal MWh Gcal GJ Maximum
25. 2 PESKS3MIDO1 Table 8 cont Symbol on the Measurement unit Parameter Parameter value Zone B code Zone A upper part of parameter symbol display Zone C Zone E Er Flow sensor status code UI where III L status of sensor q1 ensor q2 ensor q3 ensor q4 ensor q5 O normal operation 2 flow rate below programmed minimum allowed value 4 flow rate exceeds programmed maximum allowed value 8 sensor failure broken connection or disconnected power source 6 simultaneous occurrence of errors 2 and A 9 A simultaneous occurrence of errors 8 and 2 C simultaneous occurrence of errors 8 and Ae 9 E simultaneous occurrence of errors 8 4 and e e an Temperature sensor status code UI where status of sensor 1 Status of sensor 2 sensor 3 status of sensor 4 status of sensor 5 0 normal operation temperature difference is below programmed minimum allowed value 8 sensor error open circuit or short circuit 9 simultaneous occurrence of errors 8 and 1 Device run time l st system failure time 2 nd system failure time Time when temperature difference ol 2 is below programmed minimum allowed value Time when temperature difference 3 4 is below programmed minimum allowed value Time when flow rate ql is below programmed minimum allowed value Time when flow rate q2 is below programmed minimum allowed value
26. 3 2 PESKS3MIDO1 SAFETY INFORMATION Warning Switch off mains power supply before changing repairing connecting or disconnecting system parts Power switch has to be installed close to the calculator The heat meter calculator SKS 3 is made and inspected in compliance with EN61010 1 There are no life dangerous factors when calculation unit is powered from 3 6 V lithium battery The lithium batteries must be properly returned If calculation unit is powered from mains power supply it contains dangerous 230 V electrical current It is necessary to follow general safety requirements during installation and maintenance process The electrical connections must be made in compliance with the relevant standard while observing local safety regulations Only qualified technical personnel may install and maintain heat meters certificates for electrical installation work with equipment up to 1000 V are required Personnel must be familiar with appropriate technical documentation and general safety instructions To ensure safe operation the user must observe the notes and warnings contained in this instruction Device comply with safety class II Protective grounding is not required because housing is made from plastics and conductive parts are not exposed to the surface To protect power circuits from current overrun 1A fuse marked F1 is mounted on the bottom side of power supply module Remove power supply module to replace the fuse
27. AXIS INDUSTRIES HEAT METER CALCULATOR SKS 3 BASIC TECHNICAL DESCRIPTION USER MANUAL Kulautuvos g 45a LT47190 Kaunas Lithuania tel 370 37 360234 fax 370 37 360358 info axis lt www axis t CONTENTS GEET 3 Seene 3 Preps ge Ae uu Zuna a a maa Qs Sau aa 4 Zee Pecel E E 9 3 Accessories and sub assemblies of heat meter 15 A PCPA UMS PRIN TEE 15 S Marking dnd sealne EE 17 Op Salety regire MENiS sesei e a a aa e SE e uuu umu ans a akaassmasqaQuaataspayspupauasqikayksasayakaya achurhakutayausku 17 Os EIERE 26 DEREN TEE 37 10 Transporation and Stora E nerne pa En EE NEE 37 L W aTa aa a EE 37 2 Accepance ceru ee ee ged 38 Annex A Displaying and configuration data 39 Annex B Mounting diasgranss 43 Annex C Numbering ol termmmnals ue 48 Annex D Outline and mounting dimensions 49 For EU Customers only WEEE Marking Marking of electrical and electronic equipment in accordance with Article 11 2 of z Directive 2002 96 EC This symbol on the product indicates that it will not be treated as household waste It must be handed over to the applicable take back scheme for the recycling of electrical and electronic equipment For more detailed information about the recycling of this product please contact your local municipal office Heat meter calculator SKS
28. C SET 24L 24Gc RN Valve runtime s For example 240 s Integral constant for regulation time For example 250 s 1 2 3 4 5 HDMTESTSET tm hkPa AFASTAN GJcal HAHI HHE BBB MkW h Y MAX Y MN Y LCD segment test A tell PESKS3MIDO1 Setting up parameter values before setting up the parameters test mode should be deactivated Test off Test mode is described in paragraph 8 7 product number is individual and unchangeable 1 5 6 7 10 11 12 16E 17 18 parameter values have to be ordered individually for each particular device they are customized during manufacturing and unchangeable after installation SET Bh CC Parameters marked with should be programmed D bi lec2h e as shown in Fig 7 2 Select the parameter to be modified then press and hold button lt until parameter value starts blinking UD zit I alteration mode is entered Parameter codes meanings and acceptable limits are listed in Appendix A Ania 2256 Select required digit by pressing button lt Shortly e pressing button set the required value Save changes by Entering customer ID IER select symbol position holding button lt pressed and return to display mode All parameters marked with in Fig 7 1 can be modified in the same way gt change ET eOoso4aY k j Fig 7 2 l st pressure measurement channel lt ON OFF Setting up parameters marked with
29. Other options are presented in Fig B3 3 Flow sensor V2 connection diagram for energy measurement algorithm 3 winter summer is presented in Fig B5 In this case flow sensor V4 not available 4 Diagram for connecting the regulating valve is presented in Fig B4 Heat meter calculator SKS 3 43 PESKS3MIDO1 Annex B cont 5 6 7 8 57 58 61 62 65 66 68 11 51 Communication a module deg 7a za 7s 29 so si al ul 10 alle 11 gt safai 55 16 18 ZAIT UI WU WU WW WW MV WWW WWW Power supply module ots VT Pulse 79 Me Es SS Pul 80 26 CL Rx L1 73 vu Power supply Pulse Rigo roun 68 Current urren N imi Ka T2 V3 54 Pulse N N Uj amp Intrerface g 3 m CL Ss SE M e E aJ Vn de gl e J DL N62 65 N66 Fig B2 2 wire conection method for temperature sensors T1 T5 temperature sensors V1 V5 flow sensors pl p2 pressure sensors F1 Fi pulse outputs Remarks 1 Only required for selected measurement scheme sensors should be connected 2 Pressure sensors presented in this diagram are powered from separate power source Other options are presented in Fig B3 3 Flow sensor V2 connection diagram for energy measurement algorithm 3 winter summer is presented in Fig B5 In this case flow sensor V4 not available 4 Diagram for connecting the regulating valve is presented in Fig B4 Heat meter calculator SKS 3 44
30. S MOJA BUNEL 10 Bi u guii u payddns 104 JUIUTYSIUs daa PUB MOTE uo SLOSUIS MOJA SULLUY 10 KS4 u ewy poyddns 104 did U 1Nja4 UO 1OSUIS MOJA are Saisie WEI PIso d 104 TLIN LLUN SLIZIN DIN Z L ZIN LOLA 4 4 N CH yN 13 G A IN 13 e y Q 7I ODIA dId MOL UO 1OSUIS MOLY SUID SAS SUIPEIY p so 104 s d d U INj31 pue AOU UO 1OSUSS MOJA ut sKs Zugau u do 10 4 surajsAs Ajddns 1938 Joy adid ajsuis 104 TIN SL DIIN L ZLIZW GIN TOTUN DIN gt o y TA 19 E WIN GDF TDA e II y L4y TA Dal U2 SAS Sueo S 1041 SEIDUOLLOL UONL NIvd AdAIUD EMAII pue Ootgandde 1104 SNIMI jJu uur nsu lA ALL PESKS3MIDO1 Heat meter calculator SKS 3 Type reference example for order placing Calculator SKS 3 oo o o o0 DI 00 D D o 0 o DIR Type Country code K1 Lithuania K4 English Conditional type designation for the 1 heating system scheme E GE C C Ts Ur A 6 U3 4 A4 8 Conditional type designation for the 2 heating system scheme w EE D Type of 1 flow sensor Please select from the table 1 1 Type of 2 flow sensor Please select from the table 1 1 Type of 3 flow sensor Please select from the table 1 1 Type of 4 flow sensor Please select from the table 1 1 Type of 5 flow sensor Please select fro
31. UIL JO ISI sel 9 DI DI DST IUM Jelseds SC DISDOU EIS D wyo uorg n 2 g2 x w s s pu z 10 ZN 0NA W3S S s J 10J pV oN uOIS A U lI9 S S XX 23120 A XX S z 0 D9JEAIUD3E9D SI J rIgd q 13331 ou UIAF Jed paywanoe A z 10 d4oquinu wojsks Suva WYyWAOS e uong n o eg2 AZI Eurrou PUB 21203 Ju ur nsu A SSAIDE 32EJ4I9 uI uong3runururo 39813741 g5 ndo 7 JIVJAIJUI IIM 10096 0096 A008F O08 3007 00FZ AOOTI 9 E I JOJSUBI uonel e sur IOA uomng do au Sumaq UGINE dnois S19 IUIBIB A spu d Iatamg1ed 10 SUN JUIMIAINSEIJNJ uondrios q qz d oo5g n 8 A J quinu PUELLA JI EI er L vsna OOTT A009 009 q00 00e een ogja ojur uong runururo2 JELIS Sdq proysaryy d10Ul SI n E A Iajowmesed Dat JALIL DUIEI y loqur s Diosaiml 6A137401 amm Aep y UOMIPWOD IAIL DLIEI aajourvsed SS SI n E8A sanssoid Gm GU JO am1gA Dioutsa Im Laag Ip Ja1amg1gd a1m1g1admat 2 SON VA SAdjJoOWIBIed 219 SIS9 1 HUE T Jo uonipuosy et mat 2161 AO J u t JO 32U JID JALIL JJI83 A ramMod Ay moie uonipuo2 0 WOJ IEAIaunt JOQ UWIAS uonIpuo3 2AIOE joqurAs WOIIPUOD UL uge AO 1atamg1gd am Aep uq 77 00 10 DUSEL n EA poys aajyourvased uopnipuo2 103 add Ad oMIEIEg JO IQoun
32. alculation unit may be connected to mains power suplly only through switch nominal current 0 1 A placed close to the device using two wire cable with cross section of each wire not less than 0 5 mm To ground the equipment copper wire with cross section not less than 0 5 mm should be used Shielded cable should be used for all connections longer than 1 5 m The shield should be properly grounded It is recommended to use plastic or metal sleeves for additional cable protection 7 2 Setting up the configuration The calculating unit is universal device for measurement of supplied consumed heating energy The calculating unit has to be customized for the particular application putting into account the type of heating system also types of flow temperature and pressure sensors After placing an order calculating unit is adapted to one of eight possible measurement schemes Energy calculation formulas and measurement schemes are presented in the Table Flow temperature and pressure channels not utilized for heat energy measurement cal be used to control other parameters It is possible to select measurement units for flow measurement volume units or mass units according to measured media temperature The calculator has to be programmed for the specific application using the control buttons lt and gt also the configuration button SET under the lid see Fig 8 1 and 8 2 To enter the configuration mode open the lid and p
33. alue when parameter exceeds this value relay output contacts wv will be closed set lower parameter range value when parameter falls below this value relay output contacts A will be closed set full valve run time in seconds according to valve documentation set integral regulation time constant pause intervals between opening the valve after each 1 of valve runtime If this value is set to 0 valve will be permanently closed opened For alarm function only value should be used Configuration of calculator is possible via optical or Wire interface and in conjunction with the programme SKS3knfg exe Setting up jumpers If voltage U from the pin 9 is used to power flow or pressure sensors the jumper U beside terminal block should be in position BAT if sensors should be powered with 3 6 V voltage only in this case if internal baterry is used in position 3 6 V if sensors should be powered with 3 6 V voltage only in this case if mains supply module is used in position 18 V if sensors should be powered with 18 V voltage only in this case if mains supply module is used If the calculator is equipped with additional universal interface module including M bus CL RS 232 interfaces and two current outputs M bus CL or RS 232 interface is activated by plugging m the jumpers CL M bus RS 232 in such way that required interface type appears
34. alues should be indicated on the display if the heat meter calculating unit flow pressure and temperature sensors is installed correctly If measured parameter values are not displayed correctly it is necessary to verify the installation Heat meter calculator SKS 3 25 PESKS3MIDO1 8 OPERATION 8 1 Display description 2 Parameter numbers and group numbers 3 Operation mode 4 Measurenent units DM TEST SET SG INT PAR LOG PRN INF 5 Additional 1 Groups of Information parameters Key to symbols 1 Groups of parameters display levels Integral parameters Description INT Informative parameters PAR Archive data and set day values LOG Printing the reports PRN Information on heat meter configuration and regulator control parameters INF 2 Number and group of indicated parameters Cumulated parameter value for example total heating energy consumed by the 1 st and 2 nd system E1 E2 Number of measurement system for example power or energy consumed by 1 st or 2 nd system or number of measurement channel volume flow temperature pressure measurement etc Differences for example difference in amount of heating media M1 M2 M3 M4 or temperature difference 01 02 3 04 1 2 3 4 SS M U 3 Operation mode TEST SET vu mh Gh kPa GJ Geal MWh kWh kW h 5 Additional Information lt lt R gt A 2 lt Regulator status openin
35. ample scheme ch Number of active flow inputs q1 q5 Only active input numbers are displaved xx Number of active temprature inputs 1 5 Only active input number are displayed xx Number of active pressure inputs p1 p2 Only active input numbers are displayed Flow input pulse value on inputs q1 q5 For example 10 1 pulse Maximum flow rate for inputs q1 q5 For example qmax 360 m h Minimum flow rate qmin for inputs q1 q5 For example qmin 0 05 m h DG 3S5UE Maximum projected flow rate for inputs ql q5 Qmaxproj For example 360 m h Minimum projected flow rate for inputs ql SSES q5 Q minproj For example 0 05 m h Fig 7 1 Programming the calculator setting up operation modes 1 5 6 7 10 11 12 16E 17 18 parameter values have to be ordered individually for each device and can not be changed during operation Parameters 21 25 are not displayed in battery powered version Heat meter calculator SKS 3 20 PESKS3MIDO1 Flow input pulse type minimal pulse period in ms and measurement units for inputs q1 q5 For example pulse type 1 pulse period 2 ms measurement units 3 i SET e 000 SET C ut 1000 Type of temperature sensors 61 4 For example Pt1000 Type of 5 th temperature sensor for example PT500 or number of month and to it corresponding pre programmed
36. chnical documentation and general safety instructions To ensure safe operation the user must observe the notes and warnings contained in this instruction Protective grounding is not required because housing is made from plastics and conductive parts are not exposed to the surface Device comply with the II safety class To protect power circuits from current overrun 1A fuse marked F1 is mounted on the bottom side of power supply module Remove power supply module to replace the fuse If relay output current exceeds 2 A it may damage output circuits It is recommended to use additional protection circuits to protect relay outputs from damage Operation safety requires reliable insolation of electrical circuits stable mounting of calculating unit and proper grounding of all system components Safety requirements for flow temperature and pressure sensors are provided in appropriate technical documentation Warning Switch off mains power supply before changing repairing connecting or disconnecting system parts Power switch has to be installed close to the calculator 7 INSTALLATION Basic requirements Before installing the device check if all parts listed in the documentation are available check if there are no visible mechanical defects check if there are valid labels of manufacturer and certification authority Only qualified personnel may install the equipment following the requirements listed in this document in
37. egrating volume alterations multiplied by relevant fluid density taking into account measured fluid temperature and measured or preprogrammed pressure Heat energy is calculated using formulas provided in Table 1 The following pressure values can be used for calculations programmed individually for each particular heating system practically measured 1 st pressure channel corresponds to the supply pipe 2 nd return pipe Possible heat energy calculation algorithms individual for each measurement system e standard unidirectional flow measurement energy is calculated without any restrictions e special unidirectional flow measurement energy is calculated a when flow rate exceeds programmed maximum allowed value according to programmed rated maximum value for appropriate flow channel b when flow rate is under programmed minimum allowed value according to programmed rated minimum value for appropriate flow channel c when temperature difference is under programmed minimum allowed value according to programmed rated minimum temperature difference 1 2 for the I st heating system or 3 0 4 for the 2 nd heating system Error code is generated when parameter values exceed given limits Also in that case the device stopc calculating working time and calculates error duration e winter summer flow in 2 nd channel is measured in both directions energy is calculated taking into account flow direction without a
38. evant certification methodologies 10 TRANSPORTATION AND STORAGE REQUIREMENTS 10 1 Requirements for safe transportation and storage of flow temperature and pressure sensors are provided in relevant technical documentation 10 2 Packed equipment may be transported in any type of covered vehicle Equipment should be anchored reliably to avoid shock and possibility to shift inside vehicle 10 3 Equipment should be protected against mechanical damage and shock 10 4 Equipment should be stored in dry heated premises where environment temperature is not lower than 5 C No agresive chemical substances should be stored together because of corrosion hazard 11 WARRANTY 11 1 Manufacturer gives the warranty that equipment parameters will meet the technical requirements listed in the paragraph 2 of this document if transportation storage and operation conditions will be followed 11 2 Waranty period 12 months from bringing into operation but not more than 18 months from manufacturing date Manufacturer s address AB AXIS INDUSTRIES Kulautuvos g 45a LT47190 Kaunas Lithuania tel 370 37 360234 fax 370 37 360358 info axis lIt www axis lt Heat meter calculator SKS 3 37 PESKS3MIDO1 12 ACCEPTANCE CERTIFICATE IEN BE uu aaa u a z corresponds to LST EN 1434 requirements and may be put Into operation SONI Date of production 20 Heat meter calculator SKS 3 39 PESKS3MIDO1 uonu
39. g 8 4 Displaying integral parameter values Heat meter calculator SKS 3 28 SEN operation sl DOOOOD20 1 st system normal operation time 2 nd system normal operation time gt r DOL Error code of flow sensors 2 Er DUDU Error code of temperature sensors PESKS3MID01 8 2 1 Error code may consist from up to 5 symbols Each symbol may have values 0 9 General errors r Hog l st heating system operation error 2 nd heating system operation error Waff Calculator error l st or 2 nd heating systems error codes 0 no error normal operation 5 flow rate outside designated limits or temperature difference is under programmed minimum allowed value only when energy calculation algorithm 2 special is applied 8 flow or temperature sensor error calculator error code 0 no error normal operation 1 warning estimated batery lifetime less than 6 months 2 Status of flow sensors Er BEBBE Status of flow sensor ql Status of flow sensor q2 Status of flow sensor q3 Status of flow sensor q4 Status of flow sensor q5 Error code description 0 no error normal operation 2 flow rate is under programmed minimum allowed value 4 flow rate exceeds programmed maximum allowed value 8 sensor failure broken connection or disconnected power supply 3 Status of temperature sensors Er ABBA lt Status of sen
40. g the valve v closing the valve Heat meter calculator SKS 3 26 PESKS3MIDO1 Selection of measured and indicated parameters is performed using two control buttons lt and Fig 8 1 Configuration is modified with control buttons lt and P and parameterization button SET under the cover see Fig 8 2 Control button 4 and gt Manufacturer warranty mark e n erification seal wasp a Test frequency 8 192 Hz Fig 8 1 Front of the calculator cover closed without seals Fig 8 2 The cover is open Five display levels in normal mode are available current value of integral parameters INT instantaneous parameters PAR archive data and set day values LOG printing reports PRN and viewing configuration data INF Press and hold gt 3 s button P to move to the next display level and button lt o return to the previous level gt gt gt gt PRN INF BH roo JH re HP Fig 8 3 Selecting the display level Arbitrary symbols used in the diagrams lt left button P right button long press gt 3s gt short press lt 3 s To view data in the same display level press shortly lt 3 s buttons lt or P The display will switch automatically to the highest level of displaying current values of integral parameters or if at least one error has been detected error code will be displayed after 5 minutes of inactivity
41. ie su aog JJO S oun Kep jos Ajavadk IZ Kep jas jyjuow E lt Kgp gt lt uluoumr Xxxx App yS JO ILA M20 2 IUN BOY 1Epu E2 Iwn BOY 666666 0 1 quinu i uro sn a gn ms Hougiado au urindq dnoiz ad 1a1ampg1gd 10 spun 2tdEIdaaag INLA uondrios q ISULYD o ARIGISSOg si j uigied suunju uninsge j a0gmn0n wered Id IMBIe siru ojquidas0 t uondurios p sapos s y wmevaed een uoyeInSyuo TV AQEL suidnoas Avjdsig IV Sly uongurojur eUOTIppe pue OT Anois JojouTeIeg T 3uo7 anyeA PULJ g 9u07 apoo n urpieq y 9007 Jaquimu Jojoweleg 9007 IPOU VULION Ul 10 uong E Ssur 20 A1 191ouIpIed IO sirun Jueourtornsp jA Wy 3uo7 Spout uong1odO q 2u u Z SULINP ai0 e n 3 JO uongan3ryuop 943 ZBLI pue Zmar 10J emm ajqezdavse tsuondrasos p sapos 19J uigied ep podeldsig T V v xouuy PESKS3MID01 39 Heat meter calculator SKS 3 HongllgIsut 210J3q uomng do u SsuLINg proys y IOUuI SI MJELA 413 ow vied mam 2ADAp JJLIE y PIOS SS SI NJLA 1wugaed u y 9A19E JJME A 10qW s uonipuoo S19 9uIEJIEd VA19 U1 JUNY Ap u a inssoid GI anze dua O 3781 AAOU W ui 19M0d MY UOHIPUOS JJrIE x0 9d i9 9urigiEed 9d A 19 9urg agd 10 SHUN Ju ur nsg A z 10 Joquinu tui s s Sues dBjAI MI je ndo z JIVJAIIUL IM
42. in 10 999 s 2 12 Alarm function additionally If regulation function is not required relay output can be used to generate alarm signal Relay contacts will close if selected parameter value exceeds measurement limits selected parameter exceeds maximum allowed value selected parameter falls below minimum allowed value Any parameter listed in paragraph 2 11 can be used to generate alarm signal Relay output can handle electrical current up to 2A from 230V source 2 13 Supply voltage Mains supply AC 50 2 Hz 230 V TZ Power supply lt 3 VA only for calculator consumption of energy per year to 26 3 kWh Power supply lt 15 VA for calculator and extra sensors consumption of energy per year to 131 5 kWh Readings are unavailable in case of malfunction of the power supply of calculator Readings will again be available only to the renewal of the power supply Baterry 3 6 VDC D cell lithium Replacement interval only for calculator not less than 12 years for calculator and 2 extra ultrasobic flow sensors not less than 6 years 2 14 Power supply for sensors Voltage for powering pressure or flow sensors 18 V 10 only for calculator with mains supply module total current lt 400 mA Voltage for powerIng flow sensors 3 6 V 10 only for calculator with mains supply module total current lt 20 mA Voltage for powering ultrasonic flow sensors 3 6 V 10 for calculator with supply from baterry
43. inal for 1 st temperature sensor T Shield terminal for 1 st remperature sensor etc Current terminal for 2 nd temperature sensor I Voltage terminal for 2 nd temperature sensor U Voltage terminal for 2 nd temperature sensor U 50 Current terminal for 2 nd temperature sensor JI 50 Shield terminal for 2 nd temperature sensor etc 20 Shield terminal for 1 st pressure sensor ete x III Current terminal for 3 rd temperature sensor I Current terminal for 3 rd temperature sensor Tl 20 Shield terminal for 2 nd temperature sensor ete III 20 T4 Current terminal for 3 rd temperature sensor III Voltage terminal for 3 rd temperature sensor U Current terminal for 3 rd temperature sensor T 20 Shield terminal for 2 nd temperature sensor ete III 69 p2 JL Pulse input signal from 2 nd pressure sensor CC Y Y Y JL Ground for 2 nd pressure sensor or Lat pulse output x 76 Currentoutput ground O _ I x 73 Pulse output ground O 20 Puls 1 st pulse output _ es Ground for RS 232 interface GND I O Koch Nn ON Ground for RS 232 interface GND 75 0 Relay output decrease JJ LR Relay output ground p26 Migond Heat meter calculator SKS 3 48 PESKS3MIDO1 Annex D d de industries 119 D1 Mounting dimensions of calculator A 2 1 D1 1 Adapter plate according to figure 8 of
44. m the table 1 1 Temperature sensor Code PL 6 Pt500 with pocket 2 wire PL 6 Pt500 without pocket 2 wire PL 6 Pt500 with pocket 4 wire PL 6 Pt500 without pocket 4 wire No sensor Pt500 4 wire No sensor Pt500 2 wire i 4 5 6 7 8 0 Communication module Type Code Type ode Type Code Multi Module with currency output pl LI RS232 Multi Module with pulse output 7 No module 0 Power supply 3 6 V for calculator 3 6 V for flow sensors LL 3 6 V for calculator 230 VDC for flow sensors LH 230 VDC for calculator 3 6V for flow sensors Connection cable length Code 2 13 N m Am 01 15m 04 60m 0 1235m 10 200m 5m IG 2m 05 Jm 0 J som 1 10 m 03 40 m 06 100 m 09 175 m 12 No cable 00 Mounting set of flow sensor Code With flange joint 3 With threaded connection 4 Heat meter calculator SKS 3 7 PESKS3MIDO1 Table 1 1 Flow sensor coding Type of flow sensor Ultrasonic flow sensor SDU 1 DN25 Ultrasonic flow sensor SDU 1 DN32 Ultrasonic flow sensor SDU 1 DN40 Ultrasonic flow sensor SDU 1 DN50 Ultrasonic flow sensor SDU 1 DN65 Ultrasonic flow sensor SDU 1 DN80 2 Ultrasonic flow sensor SDU 1 DN80 1 Ultrasonic flow sensor SDU 1 DN100 2 Ultrasonic flow sensor SDU 1 DN100 1 Ultrasonic flow sensor SDU 1 DN150 2 Ultrasonic flow sensor SDU 1 DN150 1 Ultrasonic flow sensor SDU 1 DN200 2 Ultrasonic flow sensor SDU 1 DN200 1 No
45. ment limits only when 2 special energy calculation algorithm is used check pulse input type 1 without cable detachment control 2 with cable detachment control sensor operation error is generated when cable is disconnected for more than 2 seconds minimum allowed pulse period ms used for pulse input noise filter it is necessary to define time interval from first received pulse when additional received pulses will be ignored Selected time interval should be shorter than designated pulse period at maximum allowed pulse frequency Note If value is set to noise filter is turned off check temperature sensor type e g Pt500 Pt1000 for each active measurement channel check normalized temperature difference for each pair of temperature sensors 1 2 and 3 04 It should be not less than 2 C pre set designated temperature difference value 1 2 or 03 04 that will be used for energy calculation when 2 special energy calculation algorithm is applied and temperature difference is under programmed minimum allowed value select normalized current limits for provided pressure sensors 0 5 mA 0 20 mA or 4 20 mA set pressure values for provided pressure sensors that correspond to upper designated current limit Setting and verifying other parameters set customer ID number Heat meter calculator SKS 3 23 PESKS3MIDO1 activate if necessary tariff function L2 and La set
46. nal flow measurement energy is calculated without any restrictions e special unidirectional flow measurement energy is calculated a when flow rate exceeds programmed maximum allowed value according to programmed rated maximum value for appropriate flow channel b when flow rate is under programmed minimum allowed value according to programmed rated minimum value for appropriate flow channel c when temperature difference is under programmed minimum allowed value according to programmed rated minimum temperature difference 1 2 for the I st heating system or 3 0 4 for the 2 nd heating system Error code is generated when parameter values exceed given limits Also in that case the device stopc calculating working time and calculates error duration e winter summer flow in 2 nd channel is measured in both directions energy is calculated taking into account flow direction without any limitations only for A1 measurement scheme see Table 1 Calculated energy is stored in main register and in corresponding tariff register 1 or 2 when tariff condition is activated Tariff condition is programmed in configuration mode One of the following conditionds can be programmed independent of 1 or 2 tariff When the tariff conditions are fulfilled the consummed heat energy is counted in corresponding tariff register energy E2 orE3 Energy to the main register E1 and energy to the next register is not counted
47. nical Regulation for Measuring Instruments dated 30 March 2006 transposing in the NB s country law Directive 2004 22 EC of 31 March 2004 on measuring instruments Annex I Essential requirements Annex MI 004 Heat meter SKS 3 complies with the European standard LST EN 1434 Heat meters SKS 3 fulfils C class environment protection requirements according to LST EN1434 1 2007 Ambient temperature at 5 C to 55 C non condensing indoor installation Mechanical environment class M1 Electromagnetic environment class E2 The calculator can serve two independent heating systems simultaneously upto 5 temperature measurement channels upto5 flow measurement channels upto 2 pressure measurement channels The user may select one of seven possible installation diagrams measuring circuits according to the application type Conditional For the For the Application type type first second reference heating heating y y For closed heating systems Flow sensor on supply pipe For closed heating systems Flow sensor on return pipe l l U2 Flow sensor installed in heating circuit Flow sensors on supply and return pipes For open heating systems and measurement of supplied A2 A3 A4 0 For open heating systems and measurement of supplied heating energy Flow sensors on replenishment and supply pipes For flow temperature pressure measurement The possibility U of the measurement of the thermal
48. ny limitations only for A measurement scheme see Table 1 Flow in 2 nd channel is recorded separately direct inlet flow as 2 and return flow in opposite direction as 2 Information on flow direction is received using separate logical signal connected to 4 th flow input In this case only Let 2 nd and 5 th flow sensors can be used for flow measurement Parameters measured in each measurement channel together with archive parameters are stored in memory and can be displayed on LCD printed transmitted througt optical interface or through bi directional galvanically insolated M Bus CL or RS 232 interface If current output module is used l st current output parameter will correspond to 1 st pulse output parameter respectively 2 nd current output parameter will correspond to 2 st pulse output parameter In this case output frequency mode should be activated 1000 Hz frequency will correspond with upper current limit User may set current limits by using appropriate jumpers Heat meter calculator SKS 3 16 PESKS3MIDO1 5 MARKING AND SEALING 5 1 Marking There are following information on the front panel of calculator manufacturer s trade mark type of calculator serial number year of manufacture EC type examination certificate number limits of the temperature limits of the temperature diferences environmental class by LST EN1434 1 el ectromagnetic and mechanical environmental class enclosure
49. protection class type of temperature sensors conditional designation of measuring scheme forlst and 2nd heating system flow sensor placing in forward or return pipe flow inputs pulse values maximum flow rate power supply Numbers of terminal pins are marked close to the terminal 5 2 Seals Manufacturer s seal is used to cover one of the bolts on the cabinet lid is sealed Fig 8 2 After verification one of the bolts on the cabinet lid is sealed Fig 8 2 Retaining fixing parts on the junction between upper and lower part of the housing are sealed by using hanging seal see Appendix D 5 3 Flow temperature and pressure sensors are marked and sealed according to requirements provided in relevant technical documentation 6 SAFETY REQUIREMENTS The calculator is made and inspected in compliance with EN61010 1 There are no life dangerous factors when calculation unit 1s powered from 3 6 V lithium battery If calculation unit is powered from mains power supply it contains dangerous 230 V electrical current It is necessary to follow general safety requirements during installation and maintenance process The electrical connections must be made in compliance with the relevant standard while observing local safety regulations Only qualified technical personnel may install and maintain heat meters certificates for electrical installation work with equipment up to 1000 V are required Personnel must be familiar with appropriate te
50. read out all measured data and the data from calculator archive To read out and change the settings of regulator To read out and change the configuration settings of calculator only listed in Table Al in section Before installation Reading of data and configuration of calculator settings can be performed via digital communications interface and in conjunction with the configuration programme installed on PC 8 8 4 Restriction of operating time of optical interface for battery supply version The optical interface starts work is activated only after pressing any control button and shuts down after 5 minutes after the last pressing any button or after completing data transmission via interface 8 8 5 The total working time of serial communication interface for protection of the battery against premature discharge only for battery supply version is limited Total time of sending and receiving data per month not more than 80 min interface is blocked after declime of time limit It can be unblocked after forced activation with any control button not more than for 5 min 9 RE VERIFICATION 9 1 Metrological control of heat meter parameters is performed according to requirements defined in general verification methodology BPM 8871101 45 2003 and verification instruction PI3268601 34 9 2 Reverification instruction is provided separately 9 4 Flow temperature and pressure sensors are recertified according to requirements of rel
51. ress the button SET Press the SET button once more to leave the programming mode When configuration programming mode is active label SET is displayed in the upper right conner of the display All parameters have to be programmed Possible parameter limits and abbreviations are listed in Appendix A The algorithm for setting up parameters is shown in Fig 7 1 REMARK 1 All parameters marked with the symbols have to be programmed correspondingly in the same way 2 Readings on the indicator for example 1 00E 2 are presented in exponential form There X XX E XX L Exponent value Base value For example indicated value 1 25E 2 1 25 1 0 0 00125 Heat meter calculator SKS 3 19 PESKS3MIDO1 Test mode Po deactivated On activated SET nr uq Sb Serial number Tall SET Roier aob Set day 12 31 lt month gt lt day gt yearly set day 30 lt day gt onthly set day function is off Condition of tariff L2 Tariff is active if 1 2 lt 0 C cooling meter OFF tariff is deactivated ondition of tariff LA Tariff is active from7 00 till 23 00 h OFF tariff is deactivated Serial communication 1 wire 2 optical nterface data transfer rate 1 st heating system scheme and energy calculation algorithm For example scheme 2 nd heating system scheme and energy calculation algorithm For ex
52. s are entered check measurement circuits U0 U1 U2 U3 Al A2 A3 A4 separately for the 1 st and 2 nd heating system according to Table 1 check parameter registration algorithms for the l st and 2 nd heating system see Paragraph 4 check energy measurement units MWh Gcal GJ check pressure values used to calculate energy and fluid mass values individually for the l st and 2 nd heating system Note If pressure value is set to 0 energy and fluid mass consumed in that heating system will be calculated using practically measured pressure values set pre program 5 temperature value if temperature sensor T5 is not used only for Al measurement scheme flow temperature and pressure measurement channels are activated only for channels that are used for measurement and connected to appropriate sensors If energy calculation algorithm 3 winter summer is used 4 th flow sensor is disabled select flow measurement display units m or t mass untts only for measurement schemes from Table 1 where approproate temperature sensors are used Individual parameters of flow temperature and pressure sensors for each measurement channel should be verified and pre set check flow sensor output pulse values for each measurement channel check maximum and minimum flow rate for each measurement channel pre set designated minimum and maximum flow values used for energy calculation when measured flow rate exceeds allowed measure
53. sing button Kk If printing is paused label Print will stop blinking Press and hold button P gt to move to another INF menu level Report examples are provided in Appendix H Error codes provided in printed report are the same as used In archive Table 8 Press and hold button to stop printing in any time 8 6 Displaying configuration settings and programming relay output parameters Use configuration data inspection mode INF to view device configuration settings programmed parameters and operation modes and if regulation function is activated to change relay output parameter values All parameters listed in Appendix A Table Al are displayed in sequence as shown in Fig 7 1 Shortly pressing button P gt move to the next parameter and button lt move to the previous parameter Display sequence may vary depending on selected measurement scheme number of active sensors and operation mode 8 6 1 Programming relay output parameters in regulation mode Configaration parameters with codes 21 25 Appendix A Table Al are dedicated for programming relay output parameters When information data inspection mode INF is entered it is possible to activate or deactivate regulation function also to choose regulated parameter and control relay output manually by shortly pressing buttons lt or P gt and selecting the parameter 21 When button 4 is pressed for long time regulation sta
54. sor 1 Status of sensor 2 Status of sensor 3 Status of sensor 4 Status of sensor 5 Error code description 0 no error normal operation 1 temperature difference Is under programmed minimum allowed value 8 sensor failure oper circuit or short circuit Heat meter calculator SKS 3 29 PESKS3MIDO1 8 3 Displaying instantaneous parameter values level 2 It is possible to display all instantaneous parameter values in display level PAR P1 P2 P1 P2 P3 ql q2 q3 q4 q5 O1 O2 O1 02 03 04 03 04 OS pl p2 Parameter values are displayed in sequence shortly pressing buttons P gt next parameter 4 previous parameter Fig 8 5 Sequence of displayed parameters may vary depending on selected measurement scheme and number of active sensors To display archive data press and hold button P gt to return to integral parameter display mode press and hold button 4 Device will return to current instantaneous parameter display mode automatically after 5 minutes 20325 Flow rate on 3 rd channel q3 EI A dd Flow rate on 4 th channel q4 5 CU 3 a Flow rate on 5 the channel q5 Dar 3 rd channel fluid temperature 3 EI 325 1 4 th channel fluid temperature 4 Total power gt P P1 P2 I kW 1 st heating system power P1 I Oh p Oh Temperature difefrence 3 4 1 st channel flow pipe fluid tempera
55. ss volume M1 V1 Fluid mass volume M2 V2 For mode winter summer Reverse flow fluid mass volume M2 V2 Fluid mass volume M3 V3 Fluid mass volume M4 V4 Fluid volume V5 Total time of normal operation when 1 and 2 nd system was functioning properly Normal operation time for 2 nd system Average hourly daily or monthly temperature 1 Average hourly daily or monthly temperature GE Average hourly daily or monthly temperature GE Average hourly daily or monthly temperature 4 Average hourly daily or monthly temperature 5 Average hourly daily or monthly pressure pl Average hourly daily or monthly pressure p2 Er Calculator error code ZY X Where Z calculator operation errors 0 power supply OK 1 warning battery will be discharged in less than 6 months 8 power supply was disconnected 9 simultaneous occurrence of 1 and 8 errors X first Y second system operation error O normal operation 5 flow rate below or exceeds programmed max and min values or temperature difference below programmed minimum value 8 flow or temperature sensor error d simultaneous occurrence of errors 5 and 8 upper part of parameter symbol code Zone E Lem a ee 2 N CH gt a Ka kPa kPa oO pi lt A N CH O Heat meter calculator SKS 3 3
56. sting of calculator When test mode is activated TEST label displayed calculation process is stopped and all integral parameter values are stored in the memory Calculation process starts again after leaving test mode 8 7 2 Activating test mode After opening the lid briefly press the programming button SET Calculation unit enters programming mode label SET is displayed on the SET FESE DFE Test mode deactivated gt J upper part of LCD together with the message test off By long pressing the control button activate test mode message test on appears on FESE Gn LCD When programming button SET is pressed the device enters test mode label TEST appears on the upper part of LCD Select tested Test mode activated parameter El E2 ol oi 03 4 O5 pl p2 by shortly or long and shortly pressing the button gt Ea Shortly pressing the button lt will imitate flow pulses directly I relevant to fluid volume V1 V4 The values of the volume can be seen on the Indicator In the end of the test According to really measured temperature values energy is calculated and output pulses are generated Calculation duration 100 s During the test on the indicator the message TEST is blinking re select All parameters are displayed on LCD in the same way as in the main parameter menu only integral values are calculated starting from zero IEE _ simulate
57. technical documentation of other system components and in heat meter installation project Heat meter calculator SKS 3 17 PESKS3MIDO1 Mechanical mounting Calculator may be installed in heated premises on vertical surface It may not be exposed to direct sunlight Calculator can be mounted in five different ways Wall mounting without possibility sealing of mounting Holder Heat meter calculator SKS 3 18 PESKS3MIDO1 7 1 3 Flow temperature and pressure sensors have to be installed according to Installation requirements given in the corresponding installation manuals and by requirements as provided in Annex B Table B1 Electrical installation of calculator flow temperature and pressure sensors is performed according to selected measurement scheme Table 1 and appropriate installation diagrams Apendix B also according to technical requirements for other system components Description of connection terminal pins is provided in Appendix C Cross section for each signal cable should be not less than 0 14 mm If cable length between calculation unit and sensors exceeds 5 m shielded cables have to be used Cables should be run through rubber seal caps and anchored with clamps Four three or two wire cable should be used respectively Cable shield should be connected to appropriate terminal pins see diagram in Appendix B or to any free contacts marked with symbol either anchored with metal clamps C
58. tems Thermal power on 1 st system gt Pl P2 P3 Thermal power on 1 st system consumed for heating or L2 tariff thermal power Flow rate on 1 st channel Thermal power on 2 nd system Flow rate on 2 nd channel Flow rate on 3 rd channel LA Flow rate on 4 th channel Flow rate on 5 th channel 1 st channel fluid pressure 0 2500 0 kPa Average 2 nd channel fluid pressure bessie hourly daily and OI 1 st channel fluid temperature 0 160 C monthly data 2 2 nd channel fluid temperature 40 00 160 00 C 1 2 l st and 2 nd channel temperature difference 3 160 C 0 160 00 C 3 rd channel fluid temperature 0 160 C 4 th channel fluid temperature 40 00 160 00 C 3 rd and 4 th channel temperature difference 3 160 C 0 160 00 C 5 th channel fluid temperature 0 160 C 40 00 160 00 C N NO NO GE 4 03 04 5 PESKS3MID01 as e Lamm R et ian O e Q e Lan aJ Lei C Lei Oo N 2 9 Data recording and storage Following daily weekly and monthly parameter values are recorded in calculator s memory absolute integral instantaneous parameter values listed in Table 4 hourly weekly and monthly alterations of integral parameters listed in Table 4 hourly weekly and monthly average values for all measured temperature and pressure values error and information codes see paragraph 8 2 1
59. th between calculator and each of the sensors not more than 200 m see table 2 Reverse flow measurement possibility using direction indication signal possible for 2 nd flow channel Recorded errors and error duration short circuit disengaged flow sensor or log 1 longer than 2 s flow rate exceeds programmed maximum allowed value flow rate is under programmed minimum allowed value Measurement units mort only for 1 4 flow measurement channel Maximum permissible input pulse frequency and minimal permissible pulse or pause duration depending on pulse type and cable lenght Table 2 Sensor Kat Minimal permissible Maximum permissible cable pulse or pause length m BEER duration ms Power supply type for calculator flow pulse Input type or active pulses Battery supply and passive pulses transistor key or mechanical contact _ values in brackets for pulse input devices class IB Heat meter calculator SKS 3 10 PESKS3MIDO1 2 5 Pressure measurement Inputs measurement channel Je Display untts kPa Fiducial error not more than 0 5 of the upper limit of the measurement range Pressure measurement ranges lower limit 0 kPa upper limit programmable Input current limits 0 5 mA 0 20 mA 4 20 mA programmable 2 6 Time measurement Relative time measurement error not more than 0 01 Calculator measures real time calendar time when device is powered on total operation time when
60. tical as pulse output parameters log l or open input when fluid flows in forward direction log 0 or shorted input when fluid flows in reverse direction Heat meter calculator SKS 3 46 PESKS3MIDO1 Annex B cont Interface RS 232 of PC SKS 3 SKS 3 a Module Module 25 pins 9 pins SKS48 SKU45 46 73 Rx 74 Tx 75 GND Fig B6 Scheme of direct connection of calculator to interface RS 232 of PC Interface RS232 of modem Interface RS232 of printer SES 3 SES 3 f f Module Module 25 pins E 25 pins E SK54 SKU45 SKU46 DTE S E d g HETS 4 7 ES 20 4 H Power supply 14 V max 5 mA Fig B7 Scheme of direct connection of calculator to interface RS 232 of modem or printer Heat meter calculator SKS 3 47 PESKS3MIDO1 Annex C Table C1 Numbering of terminals x 9 U 36V or 18V power supply voltage for flow or pressure sensors 53 11 Ground for 4 th flow sensor 54 Pulse input signal from 4 th flow sensor Current terminal for 5 th temperature sensor I Voltage terminal for 5 th temperature sensor U Voltage terminal for 5 th temperature sensor U 67 Current terminal for 5 th temperature sensor I 65 Shield terminal for 5 th temperature sensor etc Current terminal for 1 st temperature sensor I Voltage terminal for 1 st temperature sensor U Voltage terminal for 1 st temperature sensor U Current term
61. total current lt 120 mkA 2 15 Mechanical data Dimensions of calculator 159 mm x 52 mm x 142 mm Weight of calculator 0 5 kg Heat meter calculator SKS 3 14 PESKS3MIDO1 Protection class IP65 Envoronmental class Meets EN1434 class C Ambient temperature at 5 C to 55 C non condensing indoor installation Relative humidity lt 93 Mechanical environment class MI 2 16 Electromagnetic environment class E2 3 ACCESSORIES AND SUB ASSEMBLIES OF HEAT METER Required sub assemblies and accessories may be delivered according to the particular application and flow measurement scheme as defined by the customer listed in Table 5 Table 5 6 Communication module SKU45 with M bus CL RS 232 interfaces and two current outputs 7 Communication module SKU46 with M bus CL RS 232 interfaces and two pulse outputs REMARKS 1 required options selected by the customer 2 Heat meter may be equipped with other types of flow and temperature sensors if they correspond to requirements listed in paragraph 2 requirements of EN1434 standard and have the EC type examination certificate by Directive 2004 22 EC 4 OPERATING PRINCIPLE The calculator SKS 3 is a sub assembly of a heat meter together with standard flow sensors temperature and pressure sensors Flow sensors based on ultrasonic electromagnetic or mechanical measurement principle can be used for flow rate measurement Suitable types of flow sensors are listed
62. ture 1 1 st system consumed for heating or tariff L3 power P3 5 th channel fluid temperature 5 1 kPa 3325 1 st channel fluid pressure pl 2 nd channel fluid pressure p2 t Flow rate on 1 st channel q1 2 mh cscs Flow rate on 2 nd channel q2 Heat meter calculator SKS 3 30 PESKS3MIDO1 TL yt i C EJ Om 4 i LU LL LU D Temperature difefrence 1 2 Fig 8 5 Displaying Instantaneous parameter values 8 4 Displaying set day data and archive data level 3 8 4 1 When set day and archive data viewing mode LOG is entered and set day function is active set day time stamp value The date format is lt day gt lt month gt lt year gt will be displayed in turn with relevant parameter value accumulated energy value gt 00043255 vw By shortly pressing button P gt you can select the required parameter value for viewing By shortly pressing button lt you can select for viewing previous set day parameters values previous months or previous years data depends on configuration of calculator To display archive data press and hold button gt When archive data viewing mode is entered time stamp value will be displayed AA YY ZZ The date format is lt hour gt lt day gt lt month gt in turn with relevant parameter value and parameter group ID in three seconds interval For example alteration of E1 during 19 th of January 13
63. tus symbol On or Off starts blinking Shortly pressing button P gt will activate On or deactivate Off regulation function Shortly pressing button lt will activate regulated parameter selection mode parameter will start blinking Select regulated parameter code see Appendix A Table A1 by shortly pressing button P If regulation mode is deactivated Off it is possible to control the regulated valve manually Shortly press button lt symbol R starts blinking Pressing button P gt will start closing the valve symbol vR will be displayed Pressing button one more time will start opening the valve symbol AR will be displayed Pressing button P gt once again will switch off valve control only symbol R will be displayed Heat meter calculator SKS 3 35 PESKS3MIDO1 Upper limit of regulated parameter value parameter code 22 and lower limit of regulated parameter value parameter code 23 also valve runtime parameter code 24 L and regulation speed pause intervals between opening the valve after each 1 of valve run time parameter code 25 P can be modified if required as described in Paragraph 7 To return to instantaneous parameter display mode INT press and hold button P Parameter codes meanings and allowed regulation limits are provided in Appendix A 8 7 Activating test mode l 8 7 1 Test mode is used for quick te
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HEAT METER CALCULATOR SKS – 3

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HEAT METER CALCULATOR SKS &ndash; 3

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HEAT METER CALCULATOR SKS – 3