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1. Flow mea Measurement range of the heat carrier water volume Range of the heat surement flow m hour povver GCal hour section FS Minimal Transitional Maximum Qmin Qt Qmax FS 32 0 22 0 6 22 from 0 00055 to 3 5 FS 50 0 7 1 4 70 from 0 0018 to 11 FS 65 1 2 2 4 120 from 0 003 to 19 FS 80 1 8 3 6 180 from 0 0045 to 28 FS 100 2 8 5 7 280 from 0 007 to 43 FS 125 4 5 8 8 450 from 0 011 to 68 FS 150 6 5 12 7 650 from 0 016 to 100 FS 200 11 5 23 1150 from 0 028 to 175 FS 250 18 35 1800 from 0 045 to 272 FS 300 26 51 2600 from 0 065 to 393 FS 350 35 69 3500 from 0 087 to 530 FS 400 45 90 4500 from 0 11 to 680 FS 500 71 141 7100 from 0 17 to 1610 FS 600 102 204 10200 from 0 25 to 1540 FS 700 140 217 14000 from 0 35 to 2115 FS 800 180 362 18000 from 0 45 to 2720 FS 900 230 458 23000 from 0 575 to 3475 FS 1000 285 565 28500 from 0 71 to 4275 3 8 The temperature of the heat carrier in supply and return pipelines can vary in a range from 0 up to 150 C 3 0 Meters provide heat energy measurement at temperature difference in supply and return pipelines AT from 0 up to 150 C If temperature difference varies from 2 5 up to 150C the error of heat measurement is standardized 3 10 The maximal pressure measured by the meter is 20 kgf cm The range of the electric signals proportional to measured pressure should vary from 4 up to 20 mA 3 11 Meters have standard interface RS 232C which pr
2. FS 400 FS 500 O O CO C C C NIN C 0 0 0 OO NI NINN Another componentry included in delivery set in accordance with the regular or addi tional order are indicated in the table 4 3 Warning Identification of a FS standard size is provided by the marking of nominal diameter DN on FS body Thus numerical value in FS reference designation meets to a numerical value in a de signation of a nominal diameter DN see table 4 2 Examples marking DN 32 put on the flow meter section with reference designation FS 32 Next element of marking PN 16 means that this flow meter section is intended for use in heat or water supply systems with overpressure 1 6 MPa 16 kgf cm marking DN 700 put on the flow meter section with reference designation FS 700 Next element of marking PN 24 means that this flow meter section is in tended Tor use in heat or water supply systems with overpressure 2 4 MPa 24 kgf cm 16 Table 4 3 Componentry included in delivery set No Name Labeling Assignment Number Set of delivery obligatory By the order 1 Pipe nipple SMP 302661 002 Connection of FS 32 to a pipeline straight line sec tion 2 Sleeve nut SMP 758422 001 For mounting FS 32 t 3
3. Fig 3 1 13 4 Package contents 4 1 meter complete set of delivery is represented in the table 4 1 Table 4 1 Name and Labeling Number Additional information reference designation The SVTU 10M Heat Flow SMP 407251 003 Configuration and com meter includes pleteness in accordance m um vvith the order see items 1 8 1 SVTU 10M Calculator SMP 408843 003 2 Flovv meter section FS vvith Marking from FS 32 up Number configuration screws for flow sensors fixing to FS 1000 included diti and dimension type in FS 32 FS 80 have no men in table 4 2 i accordance with the order see Appendixes A J L and tables 4 2 4 3 3 Ultrasonic flow sensor FIS SMP 407151 009 Number of FIS for one with fluoroplastic seal ring for FS 32 iti FS is defined by number SMP 407151 011 i of places for their instal for FS 50 80 i lation in accordance with the order see table 4 2 for FS 100 150 tioned screvvs in complete set SMP 407151 008 for FS 200 SMP 407151 008 01 for FS 250 1000 4 Resistive temperature detec SMP 405212 001 03 Number and configura tor RTD S 01 02 iti tion type in accordance i with the order 5 Overpressure sensors PS Type in coordination Number type and com with the customer iti pleteness according to the order Complete set can include elements indi cated in Appendix K 6 Connection cable SMP 658694
4. u35u T Sa 00 022 A OUO UBAUOD umous Sj jnu Jo jenas S4 5 m d x yN adi NL Z L z x d N x a g L oJnssoeJd 9IOq eururou IEUONU AUO ZIS pJepuejs S4 uoneouqeJ sjueuuipoquie 3 s Z S i Jo suoisueuuip Dunoeuuoo pue 93 Appendix I Overall and connecting dimensions of FS 50 80 set embodiments Bends for flow sensor FIS installation FS serial number Conventional pressure Z KES n holes d ES c gt Holes FS standard size nominal bore for FIS sealing Arrow Flow direction B on both sides 94 FS DN 100 150 Appendix I Single beam flow measuring sections FS 200 1000 with reserve FIS Holes for FIS sealing FS standard size pressure a see table 1 nominal bore see table 1 Table 1 marking of conventional pressure 200 600 16 700 1000 25 Distinctive mark of FS embodiment Distinctive mark FS serial number of FS manufacturer digit FS serial number and date of making are shown conventionally Notices 1 Pipe bends 7 for reserve FIS and eyebolts in FS DN 200 300 are mounted according to customer s order
5. e dn jes 9 nueu ile 10 gt uonnq eu Buisseud Jaye pouu 19 f S 0 6uuuoJsueJ 210 T I o1nssoagd OoST z qem PTOD4 sbuT33 SM DIOO4A sbuT33 S 4 AzaunuM JINATA UI 4 gt anus ull SUALNNOD AULNA ATMMHA uly a anrss ur 4 s5uT33 s y sz auno Azquy 4 sz q uezed all HOHHO 75 Appendix E Check View archive mode Check View archive View archive gt StartDate Viev archive start date Hourly Daily View archive Hourly gt Daily Setup a starting date to the archive dd mm Start date 02 10 02 10 2007 10 00 25 01 C 25 01 C 123 56 m Displays an hourly archive data for a specified date which is shown on the upper line of the screen for a daily archive time is not shown Scroll buttons and scrolls through parameters Button gt increments date for a daily archive or hour for an hourly archive Check View FS parameters mode FS parameters FSI VFS2 FS parameters FSI gt FS2 76 FS parameters Diam mm 50 04 Sensor mm 90 01 Kv 0 81 Displays parameters for a corresponding FS diameter of FS section distance between flow sensors conversion factor of FS Appendix E Zero adjust gt Channel 1 4 Zero adjust Channel 1
6. 12 Supply pipeline of heat supply Return pipeline TS3 FS2 Cold water pipeline Basic function is measurement of heat energy temperature of cold water is measured Heat meter for open heat supply system with cold water supply pipeline Configuration 8 Supply pipeline Object of heat supply Return pipeline Supply LAN Object Return A of heat supply pipeline Basic function is measurement of heat energy on two objects of heat supply Two independent heat meters for closed heat supply system The notice Numeration of flow sensors and marking of cables are indicated according to the table 9 3 62 Appendix B Configuration 9 FSI Supply pipeline Source of heat supply Return pipeline 9 Feeding pipeline Cold water pipeline Basic function is measurement of heat energy on object of heat supply Heat meter with flow measurement in supply and feeding pipelines 63 Appendix C Connection to additional device examples Output configuration I No built in MDM REG unit Connector 9 cont female Interface 1 SVTU 10M Calculator not used for connectors Connector 9 cont male Figure C 1 Output configuration II built in MDM unit without REG unit Connector 9 cont female Interface 1 SVTU 10M Calculator Built in MDM unit Figure C 2 The notice Numeration of communication lines in figures is indicated according to the table 9 4
7. 5 3 Each measuring run for 1 2 seconds and includes both measurement of the heat carrier parameters and process of device self diagnostics The measuring information about the momentary heat carrier flow rate heat carrier temperature in the supply and return pipes in the form of electric signals goes to the calculator The calculator transforms this informa tion into the digital form and calculates heat energy heat carrier water volume mass heat carrier temperature in supply and return pipelines and also measures work time and non work time 5 4 Heat Flow meters have 9 configurations Depending on the configuration meas ured parameters and computing algorithms for thermal energy can be changed In resulted below expressions the following designations are used W is a heat energy Joule H is a specific enthalpy Joule kg Qa is a mass flow rate kg hour tis time hour The specific enthalpy is a temperature and pressure function therefore for increase of enthalpy calculation accuracy during meter commissioning the overpressure values for cor responding pipelines are entered in meter memory When pressure sensors are included in the delivery complete set the results of pressure measurement are used as overpressure value in the supply PT1 and return PT2 pipelines while calculating the heat energy in 8 configuration measured pressure values are not used for heat calculation In the case of PT malfunction
8. dm s e z uolas A9949 272 uono s SJjojoweied jeuonippe jo uone rpul VZ uono s 129JeS Z uonoes SA91ouie1ed uieul jo uoneoipul L uono s uo J9MOd Fig 11 1 43 Table 11 2 1 1 Temperature t 1 C Indication of temperatures measured by temper Temperature t2 C ature sensors TS1 and TS2 1 2 Temperature t3 C Indication of temperatures measured by temper Temperature t4 C ature sensors TS3 and TS4 1 3 Temperature t 5 C Indication of temperatures measured by temper Temperature t 6 C ature sensors TS5 and TS6 Flow ratel m h Indication of heat carrier water volumetric flow Flow rate 2 m h rates in FS1 and FS2 Pressure P1 kgf cm Indication of overpressure measured by pressure Pressure P2 kgf cm transducers PT1 and PT2 3 3 Mass leak ton hour Indication of the calculated mass leak of the heat carrier water only for configurations 4 5 7 1 6 Volume 1 m Indication of heat carrier water volume in FSI Volume 2 m and FS2 1 8 1 9 1 8 Heat power Gcal h Indication of the Heat energy 2 Gcal total heat energy for configurations 4 7 9 The numerical item designation accepted within this OM for the description of the menu structure it is not displayed on the indicator of the calculator 11 2 2 Indication of additional parameters Mode The arrangement of items in a mode Indication of additional para
9. 2 FS can be delivered with straight pipe sections length is up to 25 internal diame ters of the pipeline The specified sections can be welded to flanges if it is necessary 3 While ordering straight pipe sections all necessary materials for installation for example electrodes for welding a paint sealing materials etc can be delivered addi tionally 4 The complete meter set can include six RTD with no PT or up to five RTD with two PT 15 Designation and basic parameters of FS in complete set are indicated in table 4 2 For outline drawing of FS see Appendix L Table 4 2 FS i Bore D mm Number of places Labeling for flow sensors FS 32 232 SMP 752292 002 FS 50 O50 SMP 302436 007 FS 65 2 62 68 SMP 302436 007 01 FS 80 O 76 84 SMP 302436 007 02 FS 100 2 95 105 SMP 302436 007 03 FS 125 2 119 131 SMP 302436 007 04 FS 150 2 143 156 SMP 302436 007 05 2190 MP 302436 012 77 0205 MP 302436 012 01 2235 MP 302436 012 02 2260 MP 302436 012 03 2285 MP 302436 012 04 2310 MP 302436 012 05 2335 MP 302436 012 06 2360 MP 302436 012 07 2385 MP 302436 012 08 2410 MP 302436 012 09 2480 MP 302436 012 10 2515 MP 302436 012 11 2585 MP 302436 012 12 77 0610 MP 302436 012 13 FS 700 2700 MP 302436 012 14 FS 800 2800 MP 302436 012 15 FS 900 2900 MP 302436 012 16 FS 1000 21000 SMP 302436 012 17 FS 250 FS 300 FS 350
10. At presence of interferences the length of communication lines between FS RTD and the calcu lator should be minimal and their length is determined by a noise level on a certain object For reduction in a noise level from power line installation of network radio frequency filters is recommended The level of electromagnetic interferences can be lowered by addi tional measures on electromagnetic shielding both the device and an interferer The effec 26 tive measures for reduction of interference influence are minimization of lengths of connect ing lines 9 3 4 Protection of places for FS and RTD installation from direct ingress of mois ture dirt oils and aggressive liquids should be provided The content of acid and alkali fume in air of premises where meter components are in stalled should be within the limits of sanitary code and rules At outdoor FS installation it is recommended to provide protection against direct in gress of atmospheric precipitates on ultrasonic flow sensors FS installation in places with possible short term water flooding is allowed while ob serving following protection measures for FS and entrance cables the lining of cables should be made in protective waterproof pipes which are resis tant to influence of an environment including the increased temperature places for connection of protective pipes to ultrasonic flow sensors or RTD should be protected from water influence by means of tight clut
11. SMP 408870 001 01 300 Clamp Gasket 022 J E HER 214 CTU8300GQ6 Connector plug of sensor Sensor CTU8300GQ6 Gasket SMP 754176 011 Connecting pipe 1 2 x1 4 Threaded SMP 716161 004 Gasket SMP 754176 011 01 Sealing by hemp or teflon tape Ball plug valve with tap of Maevsky 20min 1 2 2 MM Screw depending on base type Base Corbel P d Pressure intake device SMP 408870 001 001 01 pipe 14x1 6 The sensor is mounted in strictly vertical position see figure 2 If water characteristics don t meet to technical requirements then to prevent polyme rizing crystallizing and pollution on a sensor it is necessary to mount a membranous divider with application of dividing organosilicon liquids 2 3 The length of remote tubes should provide cooling of water up to temperature not above 70 C 92 Appendix I Overall and setting out dimensions of flow meter sections FS S PTS u3oq uo UOlnoeJIp MOJA sod Z 610 ZSIPSL dINS 1o3seD sod Z 00 ZZr8 S dINS MU A S sod 1 C00 C6CCSL dINS uonoos sod 1 10 800 19920 AWS Addu Z sod 1 800 199Z0 dINS lddru diq I s Jos ojo duo JO ZIS qa5u T 5uT3unou 299 7 s
12. gt Channel 2 4 Adjusting zero point for a corresponding channel During Setup Set zero mode Start zero adjust chan x Begin 4 Pressing any button leads to process interruption o Zero adjusting channel x adjusting the conventional number 92 for process demonstration are displayed Zero adjusting channel x After completion of zero adjusting Completed the result of operation is indicated 77 Appendix E Setup mode 3euzog Azo3sTH A IS 40 S99 S52 u asAs qarun 4 uoneuuojJul sz q uezed Lay ul s4s hun JO ule1s S UP 12 l S u qsAs 3Tun4 gt sz q uezed 144 8 4 0 199 z 3eM 4 141 1 SO x qeM PTOD 4 Jo s znss zdaJ z qeM DTOOA s znss zd 4 S inss iq dn1 s qsn pe ozezy Seagnssead Co anLas snipe ol z dm s 78 ae l vi jo pue uoneouuosA 01 y JO Buluoissiuuuuoo Jaye AJUO pajeedde si uie nueui 511 Buiuoissiuuuuo5 p o 1 si uonejedo 5141 poul 1oejes ON lt 9 AJ S dO1S ys x4 y oTAz s 40284 SUT 22S puewwod jo uonejduioo Jaye juo sjejeurejed eHueyd noA 4025 anLas poyiqiyoud eje sjejeujejed JO oDueuo pue UOHE HL A
13. pouu e oj Buu lu y ey JOY gno paleo ase JO S 1 pue eui JO 5 ejBojur e jo 1eseH SOX 4 u Buiuoissiuuuuo3 o si uoneado siu L lAH S jddy euin pue ejep jepue eo joexe Jo dnjes 4 di uun Bues 1uBII ep 10 au zzno 15 oneujojne Ajdde o yil no p noAA Setup mode Co SUT 2951 Sox LSA 4 un Burnes 1461 sn 4 eunT oA p 3euzoz ATYDIY 4 SSEUI JO WNJOA MOL e u u qsAs qarun JO yewo Bunes ejep anyo 129J9S ewo AIU94V anias Appendix E C r Appendix E 80 Setup Pressure mode Configurations 2 5 6 PRESSURES Supply pressure kgf cm 4 gt Supply VReturn E Enter pressure value PRESSURES f i or a correspondin O Asuppiy ponding Return pipe Configurations 4 7 9 PRESSURES Supply pressure kgf cm Supply VReturn Enter pressure value 4 for a corresponding Return pipe Cold water PRESSURES Return gt Cold water Appendix E Setup Pressure mode Configuration 8 PRESSURES Supply pressure kg cm Supply 1 VReturn 1 PRESSURES TSupply 1 gt Return 1 V Supply 2 PRESSURES Return 1 gt Supply 1 Return 2 PRESSURES TSupply 2 gt Return 2 81 Appendix E Setu
14. 2 7 4 7 A zd lt N MEK 2115 e ce i gt a Z A gt ilicone lubricant N and hole dimensions for mounting of R IDM io angle 45 or 60 DN 50 DN 200 1 to E LLAN ERLI Z lt VO eS L TP 25 DN 250 for bush of thermometer pocket for all variants of installation on the sufrace B DN 65 1 25 DN 250 Notices 1 For pipelines DN 32 DN 150 position of thermo sensitive element RTD S is optimised Notices 1 retatiyetineafeNedid Gus Hipatia of thermo sensitive element RTD S is optimised 2 It glatelyawatg RnfhgampiRquntiher at installation of RTD S on pipelines with nominal 2 df graegssanete Nani a reamer at installation of RTD S on pipelines with nominal diameter under DN 50 Figure 9 6 Installation of RTD S of type 2 3 and 4 without thermal pocket 34 Figure 9 7 Installation of RTD S of type 2 3 and 4 with thermal pocket 35 RTD S type 5 or 4 SMP 754152 012 01 th read M16x1 5 Rubberized fabric gasket SMP 754152 012 s 2 mm Rubberized fabric gasket SMP 754152 012 01 s 3 mm Bush SMP 723144 010 Pipe wall N longitudinal section Ta Pipe DN 500 530 x 7 12 Pipe DN 600 0630 x 7 12 Hexahedron S 22 for wrench Hexahedron s
15. 400 mm cable connection to flow sensors should be done strictly with marking on FIS and corresponding cable For zero setting following actions should be done 39 Zero setting should be carried out not earlier than in 30 minutes after powering up of the meter Cut off a heat carrier water flow thus FS should remain completely filled with heat carrier water Provide zero setting according to menu item Setup In case of operation failure or wrong zero setting the measurement error increases and can exceed permissible value Reset of device readings at its commissioning is blocked if setting of hydraulic zero is not made Detailed information about zero setting is given in Ap pendix J How to set hydraulic zero If during meter startup a reset of device readings was not provided a proper warning will be displayed on the indicator After ending of the above stated operations meters are ready for functioning and set in a mode Indication of main parameters Temperature values on the device indicator measured by first two temperature sensors TS1 and TS2 are displayed 10 7 To switch off the meter a 3 pole plug should be disconnected from a socket WARNING While in service it is forbidden to disconnect sensors to change arrangement of sen sors to prevent such not authorized actions a mechanical socket sealing of all FIS TS PT is stipulated to switch off the calculator to install meters on the pipeli
16. 64 Appendix C Output configuration III built in MDM unit with RS485 but without REG unit Connector 9 cont female Interface 1 SVTU 10M Calculator Built in unit MDM Interface 3 RS485 Connector 9 cont male RS485 link Connector 9 cont female Figure C 3 Output configuration IV built in MDM unit with RS485 and with REG unit Connector 9 cont female Interface 1 SVTU 10M Calculator Built in MDM unit Interface 3 RS485 N Interface 2 Connector 9cont Analog outputs 1 2 Threshold output Socket Plug to modem Connector 9 cont male RS485 link Connector 9 cont female Figure C 4 The notice Numeration of communication lines in figures is indicated according to the table 9 4 65 Appendix C Use of RS485 Interface While using RS485 interface it is possible to connect simultaneously some meters or other SEMPAL devices and to have access to any of them For this the only one device should be with an output to external lines Modem or direct communication with PC RS485 or The total length of communication line RS485 should not exceed 2 km Thus devices should be connected by queue On the ends of a connecting cable the terminating resis tances 120 Ohm crossbars between contacts 7 and 8 of sockets are unsoldered should be installed The scheme for connecting cable RS485 it is mounted by the user is given bel
17. J AJUO qIS A UOREOHH A 4 paoMssed UOHEOHL A U u cz MOTA 00701 u u T mMOT UOHEONH AZN pyowssed J9 U9 dn s 4 dnies 9 znqez dus r L6 g eanqezodusy YO UO 4 nL SJejeureJed do SION LOTTAS p znqaez dus r L6 znqez dus rxr X09494 gt SJojeureJed ppV 4 1z znaez du r al FO L6 udOM LOTTAS Do T eanqezedueyz uo J9MOd ppy 70 Appendix E Indication of basic parameters mode uoneJn8juoo Je19uJ BuipuodseJJoo Jo AjUO eJe se pejouep Sd nue A eyN ST 91 Z0 20 9Z SUT TEO Z 3e H LLS080 08 1955 TI 3e H LLS080 808 Uu Z sunToA t LLS080 808S w T eunToA 71 Appendix E Indication of additional parameters mode ADD PARAMETERS a 4 Mass 1 t v 84 342345 ADD PARAMETERS Mass 2 t 84 342345 ADD PARAMETERS Power time h 84 34234 ADD PARAMETERS Work time h 84 34234 ADD PARAMETERS a Off time h v 84 34234 72 Displays faultless work time for each flow channel for configuration 5 6 8 and 9 see example below ADD PARAMETERS Work time h Chan 1 84 34234 N Chan 2 84 34234 Figure E 2 Appendix E Check mode general algorithm of the Check mode is represented on the next page Check parameters of RTD mode RTD paramet
18. underpressure was created or with breakage of cor responding PS 2 2 x PSx is over the tolerance Measured pressure is above 20 kgf em It can be due to the fact of increased pressure on the object and faultiness of PS Pressure measurement errors don t affect flow rate measurement and heat energy calcu lation 13 4 Error group 3 This group includes the errors referring to flow rate measurement the sign x speci fies number of the channel 3 1 x measurement by FSx Flow measurement in mentioned FS is impossible This error can be caused by the fact of faultiness of flow sensors faultiness of flow sensor cable brake or fault no water in FS 3 2 x temperature of FSx Because of malfunction of TS which measures tem perature in specified FS a flow rate measurement is impossible This error always takes place with an error of measurement by TS This error is displayed and is brought in error archive to define interrelation between a temperature measurement error and a flow rate measurement error 3 3 x high speed in FSx The volumetric flow rate in mentioned FS exceeds maximum value for this FS type more than twice If the error has been registered in the flow measurement channel which is used for heat energy calculations then heat energy is not calculated 13 5 Error group 4 This group includes the errors referring to heat energy calcula
19. 0 1 0 05 0 5 10 15 20 Q m h Figure 9 4 For flow meters of DN50 the pressure loss is resulted in Fig 9 5 Pressure loss kgf cm 0 3 3 0 25 0 2 0 15 0 1 0 05 80 Q m h Figure 9 5 9 5 2 Installation of flow sensors 9 5 2 1 The order for installation of flow sensors FIS is applied for FS of DN 32 DN1000 9 5 2 2 After FS installation on the pipeline it is necessary to install ultrasonic flow sensors as follows 30 clean a dust and dirt on internal surfaces of bushes if necessary for protection of fixing nut and flow sensor materials from diffusion with material of FS it is necessary to grease a bush thread and a lateral cylindrical surface of ultra sonic flow sensors with graphite greasing FIS effective area edge should be cleaned from greasing insert ultrasonic flow sensors in bushes pipe bends of flow measurement section Marking is put on sensor cable outputs for modification M1 So FIS with marks 11 or 21 for the second flow measurement channel should be inserted in first according to flow direction FS bush FIS with marks 12 or 22 for the second flow measurement channel should be inserted in second according to flow direc tion FS bush To connect FLS of two path flow meter it is necessary to follow guidelines in the table 9 5 attightening of flow sensor s fixing nut the force put to a wrench sh
20. 10M are intended for measurements of the produced or consumed heat energy volume of the heat carrier temperature of the heat carrier in supply and return pipelines overpressure of the heat carrier or water work time power on time and correct work or non work time power off time and also calculations of a mass mass flow rate of the heat carrier for configurations 2 4 9 see the appendix B measurements of cold or hot water volumes water temperature work time or non work time and also calculation of the mass mass flow of water for configurations 1 3 see the appendix B indication depending on configuration of the mentioned measured and calculated physical quantities and also heat power the volumetric flow rate of the heat carrier or water overpressure of the heat carrier or water current time and date on the indi cating device forming of the potential output signals on two independent analog outputs if there is a built in MDM REG unit in proportion to informative parameters temperature pressure volumetric flow and heat power measured by the meter Application of the built in MDM REG unit in more detail is specified in item 5 11 and in special manual instruction Meters of 7 9 configurations also measure temperature of cold water on a source of heat supply further under the text cold water temperature Meters of 9 configuration also measure volume of water water leak used for refill of l
21. 11 1 and its graphic representation in figure 11 1 11 2 1 Indication of main parameters Mode The arrangement of items in a mode Indication of main parameters is resulted in chap ter 1 of the table 11 1 and in figure 11 1 The list and the content of items are resulted in the table 11 2 The order of running through the menu in a mode Indication of main parameters is resulted in Appendix E in figure E 1 The device switches to mode Indication of main parameters after power up after setting up in a mode Setup see chapter 10 of OM after ending of operating in service modes Check Verification and also at automatic switching to mode Indication of main parameters Depending on meter configuration the proper measured parameters which meet to a given configuration are displayed on the calculator indicator Table 11 1 How to enter the Section Name of menu Section assignment menu section item Power switching on Mode of indica Indication of main measured parame tion of main pa ters and current time rameters Switch to item Se 2 Selection of alSelection of a mode in a mode list lect mode mode 41 How to enter the Section Name of menu Section assignment menu section item Selection of a mode 42 EX eee para Indication of heat carrier mass time of 15775 correct vvork and povver off time Check Indication of heat meter parameters number of entrie
22. 36 for wrench x Axis DN 500 1 S o e S NO Q Sy Axis DN 600 Y Y Figure 9 8 Installation of RTD S of type 5 and 6 with thermal pocket 36 9 5 4 Installation of pressure sensors Pressure sensors are installed strictly in vertical position The scheme of installation is represented in the appendix H Application of pressure intake devices is obligatory 9 5 5 Mounting of the calculator The Calculator SMP 408843 003 can be mounted in horizontal position on the table stand or shelf or in vertical position on the wall or in device enclosure For mounting the calculator special accessories in delivery complete set are provided The mounting scheme is given in the appendix D The grounding of the calculator should be strictly connected with grounding of a pre mise in which the device is installed 9 5 6 Cabling After installation of all meter components their bond by means of the connecting cables from the delivery complete set is made in following sequence 1 cabling 2 cable connection to the calculator RTD and ultrasonic flow sensors 9 5 7 Cabling is carried out under following requirements cable mounting should exclude a possibility of its contact with pipelines and other elements if their temperature is below a minus 40 C or above 70 C cable protection against mechanical damages should be car
23. Calculation and archiving of average temperature values which are included in process of heat energy determining for a time interval to t is carried out as weighted average value T defined under the following formula 0 dt m 1 a 5 10 to where T t are momentary current measured temperature values Q t are momentary current measured heat carrier water mass flow rate values 19 For discrete in time measurements carried out by device each 1 2 seconds the follow ing formula is used yT Ty ay Ya where Tmi and Q are heat carrier temperature and volume flow rate for i th measure ment correspondingly In the absence of the heat carrier volumetric flow the temperature is calculated as an arithmetical mean value of all measured temperature values for the given time interval For temperatures which are not applied for heat calculation the mean temperature is calculated 5 11 5 6 The meter carries out flow measurement in the range from 0 5Qmin up to 2Qmax where Qmin and Qmax are accordingly the minimal and maximal volumetric flow rates of the heat carrier see table 3 2 For the SVTU 10M measurement errors specified in present OM are provided in a range Qmin Qmax but in subranges 0 5 Qmin Qmin and Qmax 2 Qmax the men tioned measurement errors are not standardized however device working capacity is kept and the heat carrier mass storing and heat calculation ar
24. Inf Press 1 Press 2 Configuration P Temperature sensors 5 pieces Pressure sensors 2 pieces The notice 1 Interconnections at different number of TS from 1 up to 4 pieces in me ter complete set are represented in Variants configuration P in this Appendix 2 Cables to PS have tin plated pins 88 Appendix F Variants of basic circuit of device cable configuration P interconnection of communications with TS for different number of TS in meter set 1 For complete set with one TS Device connector Xl 2 For complete set with two TS there are no cables 33 35 in device cable 3 For complete set with three TS Interconnection for cables 31 32 and 33 at complete set of three TS TS1 TS2 and TS3 meets to inter connection for cables 31 32 and 33 resulted on schemes for configurations T and P There are no cables 34 35 in device cable 4 For complete set with four TS Interconnection for cables 31 32 and 33 at complete set of three TS TS1 TS2 and TS3 meets to inter connection for cables 31 32 and 33 resulted on schemes for configurations T and P 89 Appendix F Basic circuit of device
25. Interface 3 84 To sensors and peripheral devices 1 i FIS 1 X3 To FSI FIS 2 2 X4 FIS 3 22 X5 To FS2 FIS 4 X6 31 32 E 33 To TS temperature measurement 34 zs X10 15 42 X16 To PT pressure measurement PS 2 l 12 PC modem data collection device ji depending on output configuration X13 1 see Appendix C X 61 T Recording or regulating equipment X 71 Interface RS485 Appendix F Basic circuit of device cable Configuration T Complete set 6 temperature sensors no pressure sensors Device connector X 1 Connections of flow sensor cables plug DHS 44M Cable sockets Y3HH 05 7 Flow Sens 11 m b X2 Flow Sens 11 181 Flow Sens 12 x3 Flow Sens 12 FIS2 Flow Sens 21 X4 Flow Sens 21 183 Flow Sens 22 X5 Flow Sens 22 Flow FIS4 X6 TS1 X7 TS2 X8 TS3 X9 TS4 IH 21 UH 21 UL 21 UH 22 X10 UL 22 TS5 UH 23 Press 1 UL 23 Press 2 IL 23 X11 TS6 The notice Interconnection at different number of TS from 1 up to 5 pieces in heat meter set are represented in Variants configuration T in this Appendix 85 Appendix F Variants of basic circuit of device cable configuration T interconnection of communications with TS for different number of TS in meter set 1 For complete set with one TS Device connector X 1 2 For com
26. MPa 40 kgf cm for flow meters with DN from 700 up to 1000 mm 3 27 Time for setting of the meter s operating mode doesn t exceed 30 minutes after power on 3 28 Output resistance for analogue outputs is 50 ohm maximum load current is 10 mA for direct voltage output For direct current output maximum output voltage is less than 15 V 3 29 Limits of error for analogue outputs 1 for load resistance more than 20 kOhm for direct voltage outputs 1 for load resistance less than 500 Ohm for direct current outputs 3 30 Protection class of calculator enclosure is IP 65 3 3 Calculator mass is no more than 750 gram 3 32 Calculator overall dimensions don t exceed 170x110x35 millimeters with de vice connector and wall mounting accessories 250x110x60 millimeters see Appendix D 3 33 Nominal diameter DN overall and mass of FS length and mass of RTD are shown in tables 3 5 3 6 and in fig 3 1 9 8 3 34 Mean error free work time for meters is not less than 50 000 hours for calcula tors 100 000 hours 3 35 Total average meter life cycle is not less than 12 years 11 Table 3 4 Overall connecting dimensions and mass of FS for drawings see Appendix L Nominal di FS ameter mm DN L Dr H D d di FS flanges FS 32 32 180 Pipe G2 74 O32 1 8 2 6 FS 50 50 180 2122 173 250 2102 4 8 22 FS 65 65 200 2144 194 62 68 2124 5 8 2 9 FS 80 80 210 2155 1204 O 76 84 2135 6 9
27. Out of service mode 2 3 9 Out of service Editing of meter parameters is permitted can be seen only after Service indicated only at proper meter configuration The notice Items marked by are accessible only after Out of service 11 2 7 Verification Mode The Verification mode is intended for estimation of measurement errors and calcula tion errors of some basic meter metrological parameters and also for verification of correct ness of their indication The Verification mode is used for automation of periodic verification of heat meters Verification can be carried out only by manufacturer or his authorized representative with participation of state verification officer This mode has been specified in verification instruction THE NOTICE While entering Verification mode the saved up integrated parame ters are not misrepresented To see number of entries into Verification mode switch to Check mode 11 2 8 Additional modes 11 2 8 1 MDM REG Mode 47 It is intended to set parameters of the built in MDM REG unit notably parameters of communication for the MDM unit and parameters of linear and threshold outputs for the REG unit including parameters of regulators if any from linear outputs is used for regula tion The arrangement of items in the MDM REG mode is resulted in item 2 6 of the table 11 1 and in figure 11 1 The list and the content of items are resulted i
28. and time of non working condition Tnw for accounting period Tacc are resulted Dur ing Trun authentic measurement of all parameters was made during Tnw there is no regis tration of any parameter or there is no power supply voltage Figure 5 1 5 10 The SVTU 10M heat meter can be connected to external devices for data collection registration of analogue signals control of threshold devices creating different regulation circuits organizing communication with heat meters via modem connection data transfer and storage with its next processing on PC Meter can be equipped with the built in MDM REG unit This block expands commu nication capabilities Without MDM REG the meter can communicate by RS 232C with any PC or data reader which use this interface use only TxD and RxD lines Having the MDM REG unit the device can communicate via RS 232C with modem GSM GPRS or telephone line modem PC or data reader Moreover device can connect with each other one by RS 485 line length up to 2 km In this case it is enough to have an external communication line output for the modem direct communication with a computer for only one of devices Besides RS485 can be connected directly to a computer through any standard converter of interfaces RS232 RS485 21 The MDM REG unit provides temperature regulation in two channels two linear 0 10 V outputs and control of one pump one switch output 5 11 The description of the
29. be located in horizontal plane a devi ation from a horizontal within the limits of 20 27 Bushes for flow sensors are also mounted in horizontal plane with a deviation from a horizontal no more than 20 Distances downstream of flow disturbances in accordance with specified meter accura cy should be not less than mentioned in the Table 9 1 Table 9 1 Modification Modification M1 Flow Disturbance M2 DN 200 DN x 200 1 beam 2 beams Conical Contraction with an angle no more than 7 DN 10 DN 15 DN 10DN 20 Single 90 Bend 10 DN 15 DN 50DN 15 DN Gate valves or two 90 Bend in perpendicular 15 DN 20 DN 70DN 20 DN planes Pump 20 DN 30 DN 90 DN 30 DN Remarks Completely open globe valve is not considered as a disturbance Designations 1 beam and 2 beams mean that flow measuring sections have one diametric path and two chord paths correspondingly The straight pipe section between two serial flow disturbances should be not less than 5 DN Otherwise upstream straight section should be increased by the length equal to a differ ence in millimeters of the required and real distances between disturbances Distance downstream of FS should be not less than 5 DN for modification M2 and 10 DN for modification M1 for one beam FS and 5 DN for two beam FS If DN of supply pipeline and DN of straight sections are different then application of conical contraction is requir
30. cable interfaces Deviceconnector X1 Cable connections plug DHS 44M for modem and computer DCD DTR CTS X12 GND Inf Modem X13 Computer Socket DB 9F with housing Cable connections for analog outputs X14 Actuators AnOut 1 44 AnOut 2 30 Switch Out 14 He RS485B 43 B Rs485B OX R1 100 Ohm R2 120 Ohm The notice 1 Connectors X12 and X13 have been mounted in common housing Connector pinout plugs DHS 44M plugs DB 9M sockets DB 9F of device cable i cont 1 Viev cont 15 Viev B Viev C cont 16 cont 30 cont 1 cont5 cont 5 cont 1 oOcOOoOOOOOOoOo0o OQODOODOODOOD OQOOOOOOOOOO Uu Uu 1 1 Uu Uu l T T AL pt J Al 90 Appendix G Sensors pinout Sensor connection scheme for flow sensor Cable plug Connectors pinout of cable socket Y3HH 05 7 is used in device cable View F cont 3 cont 5 Hole for sealing Cable of plug DB 25M of socket DB 25F cont 1 View G cont 13 cont 13 View H cont 1 91 Appendix H The scheme of pressure sensor mounting Recommended mounting scheme for pressure sensor CTUS3006G Q 6 as example and dimensions of pressure takeoff devices Intake device for supply pipeline SMP 408870 001 Intake device for return pipeline
31. ing devices which should undergo the starting up and adjustment works by qualified per sonnel at commissioning Manufacturer s guarantees 48 months since shipment extend on the meters which were put into operation by the specialized enterprises having corresponding credentials from company manufacturer More detailed information is resulted in section 16 Manufacturer s Guarantee A recalibration interval is 4 years The Quality System SEMPAL is certificated under ISO 9001 2000 If you have any questions about purchase maintenance operation and service of me ters contact us or our authorized regional representatives SEMPAL Co LTD contacts 3 Kulibina Street Kyiv 03062 Ukraine Phone fax 438044 239 2197 438044 239 21 98 1 Preface The present operating manual hereinafter referred to as OM contains information about assignment field of application performance capability and completeness a principle of operating and a design the order of installation and commissioning the order of operating and maintenance service of meters While meters are in exploitation it is necessary to be strictly guided by present OM Because of the regular work aimed at functional enhancement improvement of perfor mance capability and increase of meter reliability manufacturing company SEMPAL Co LTD reserves the right to itself to change a design of the meter without claiming it in present OM 2 Assignment Heat flow meters SVTU
32. notice Numeration of flow sensors and marking of cables are indicated according to the table 9 3 59 Appendix B Configuration 3 Flow meter Calculator r 2 VVater supply pipeline 21 Basic function is volume measurement Two independent flow meters Configuration 4 Calculator Heat meter Object of heat supply Basic function is heat energy measurement cold water temperature is set programmatically Heat meter for open heat supply system without cold water supply pipeline The notice Numeration of flow sensors and marking of cables are indicated according to the table 9 3 60 Appendix B Configuration 5 Supply pipeline Object of heat supply Return pipeline Basic function is measurement of heat energy additional function is measurement of heat carrier volume in return pipeline Heat meter for closed heat supply system with check flow meter on the return pipeline Configuration 6 Supply pipeline Object of heat supply Basic function is measurement of heat energy additional function is measurement of cold or hot water volume in water supply pipeline Heat meter for closed heat supply system and independent flow meter The notice Numeration of flow sensors and marking of cables are indicated according to the table 9 3 61 Appendix B Configuration 7
33. of FS 1 2 Connect FIS and resistive temperature detectors R TD to corresponding cables 1 3 Power on the device thus there should be no error messages concerning flow rate and temperature measurements 1 4 Enter the mode Zero setting and make setting on both channels simultaneously or separately While setting two groups of digits are displayed on the screen The first one represents the hardware information about zero heat carrier velocity This group is stored be fore following resetting The second group shows number of zero velocity measurement cycles For identical FS types these numbers of measurement cycles usually coincide For different FS types they can be different within the limits of 30 50 cycles but do not exceed 63 1 5 Ifzero setting has not been completed positively it is necessary to check up servi ceability of cables quality of connections in sockets and then repeat the previous item For successful zero setting on an object it is necessary to provide reliable heat carrier cutting off from both sides of flow measurement section by means of valves 97 qualitative installation and serviceability of flow sensors temperature sensors and also device entrance cables guaranteed electric contact between grounding contact of the calculator power sock et and earthing loop of a premise in which the meter is installed the level of electromagnetic interference created by surrounding equipment s
34. of modification M2 meet to a grade of accuracy 2 5 and meters of 4 7 9 configurations meet to a grade of accuracy 4 3 16 Limits of heat energy measurement error for meters of modification M1 for 2 s g 8 configurations 1 5 96 4 5 while AT varies from 20 C included up to 150 C included 2 5 5 96 while AT varies from 10 C included up to 20 C 5 7 5 96 while AT varies from 2 5 C included up to 10 C included Limits of heat energy measurement error while heat carrier flow rate varies from Qmin included up to Qt are shown in the brackets 3 17 Limits of relative error of heat energy measurement by meters of modification M1 for 274 5 6 8 configurations 5 96 7 5 96 while AT varies from 2 5 C included up to 10 C 2 5 5 96 while AT varies from 10 C included up to 20 C x 1 5 96 4 5 96 while AT varies from 20 C included up to 150 C included 3 18 Limits of relative error of heat energy measurement by meters of modification MI for 4 7 9 configurations 5 96 7 96 while AT varies from 2 5 C included up to 10 C 2 5 96 while AT varies from 10 C included up to 150 C included 3 19 Limits of relative error of heat energy measurement by meters of modification M2 for 4 7 9 configurations 5 5 96 7 96 while AT varies from 2 5 C included up to 10 C 3 5 5 96 wh
35. of the heat carrier or water overpressure in a range from 0 up to 2 0 MPa from 0 up to 20 kgf em in a propor tional electric signal vvith current from 4 up to 20 mA Metrological performance of pressure transducers PT is provided according to the indi vidual order Meters can include up to six RTD fifth and sixth temperature measuring channels are supplied in accordance with the individual order if they have been certified In that case ad ditional RTD can be used for the control of outdoor temperature 7 3 2 Meters indicate the results of measurements in CGS GCal h GCal kgf cm unit system or SI MW GJ MPa At shipment indication of measurement information is set in CGS system For the further under the text units of CGS system are used 3 3 The calculator indicates the following quantities heat energy GJ GCal heat power MW GCal hour volume mass of the heat carrier or water m ton volumetric mass flow of the heat carrier or water m hour ton hour heat carrier temperature in supply pipeline C heat carrier temperature in return pipeline C overpressure of the heat carrier or water MPa kgf cm work time and non work time hour current time hours minutes seconds and date 3 4 The calculator provides storage and output by standard interface RS 232C such archive data as measured values of heat energy and volume mass of the heat carrier wa ter w
36. repair of heat meters for a fee 55 56 57 Appendix A Order information s nd no enBojJeue 104 ujBue lqe Jequunu puooes pold 33 um Auo sindino jue Amo lt gt 633 2014 s nd no snBojeue esn y uj amp ue lqe 2225 Jequunu 191 SLU Gere lliqelIeAe lt q gt 40 9 WOW unlilnq esn ciy w ejqe pue uoneinBiuoo OAY INGIN 35olq UF YING A amod ui p pnioul Josues eJnsseJd jeu sueeuu d sayel w AIBuipioo5e 214 40 u Bu l lqeS uu AI5ulpuoo e 9S1 LS 40 3 lqeS uu AIBuipioooe ZS4 pue S 40 uyBue lqeo y yood jeuueuy Aj iqejie e 5 1998 seeJDep 06 40 09 Gp ejDue SJejeuJeJed usnq Jequinu uA q 91 414 Jo d 191 9 LALY Jo eDexoed e adh ad 254 pue LSd 022 OVLV OEdW dez dzz 6 8 6 8 L 9 SL LL 064 746 0607 06 0906 060 059 3 0883 ZW WOLNLAS 58 Appendix B Basic circuits of meter mounting for different configurations Configuration 1 Calculator Flow meter Basic function is volume measurement One flow meter Configuration 2 Supply pipeline Calculator Heat meter Return pipeline of heat supply Basic function is heat energy measurement Heat meter for closed heat supply system The
37. temperature detectors R TD SVTU 10M calculator Distinctive functional features of meter configurations and basic functional units are represented in table 3 1 meter configurations in detail are given in the appendix B Table 3 1 Distinctive structural and functional fea Configuration tures 1 2 2 4 22 3 4 5 6 7 1 58 19 Number of FS 111 12 22 ESSAI 2 Number of RTD 1 1 2 1 02 12 12 1 9 3 Ae 4 3 Measuring the temperature of the heat MEE carrier in the return pipeline 4 Measuring the temperature of cold wa i 5 Measuring temperature in hot wa ter supply system 6 Measuring the volume of the heat e 5 carrier in the supply pipeline 7 Measuring the volume of the heat o 1 1r ol olHm z H 1l carrier in the return pipeline 8 Measuring the volume of water in the det aca ze eol ees be Nen Li water supply system 9 Measuring the heat energy 10 Indicating heat carrier water leak E ater reso vest ntt spa ito eae Men e 11 Measuring the volume of water in the R feeding pipe Additionally the meter can include one or tvvo overpressure transducers further under the text pressure transducers or PT vvhich are used for transformation
38. the measurement channel in which there was an error Error displayed on the indicator looks as follows example Err 1 3 1 TS1 short 50 Here 1 3 1 is error code which consists of group first digit error number second di git and measurement channel number third digit In this case measurement channel num ber is a number of temperature sensor One error is shown on two indicator lines So two different errors can be displayed simultaneously indicator has 4 lines As it was specified above the number of error group is less the priority of error is higher Surely most significant errors are system errors These errors of the internal meter equipment make meter functioning impossible So none of the parameters are measured and stored Such errors are displayed on the indicator as follows example System error 02 Number means an error type System errors are registered in the event journal with some text decoding if possible In case of system error the meter should be delivered to manufacturer for repair 13 1 Error group 0 In group 0 following errors are included 0 1 0 Error of flow measurement section Flow measurement in both channels is impossible 0 2 0 Error of ADC Temperature measurement in all channels is impossible 0 3 0 Error of communication with MDM It does not affect measurements and calculations It makes impossible data collection through external communicatio
39. there is a value of error appearance duration Terr for the first and second flow measurement channels This value includes the errors referred to flow measurement channel and errors which lead to impossibility of flow rate measure ment Errors of a flow meter and errors of temperature measurement are included here Printouts have a field Error types in which presence of certain error type is displayed In total up to three various types of errors can be displayed within an hour and up to 5 types of errors can be displayed within a day The error is displayed on printout only if its duration exceeds 1 minute Errors are displayed by letters of the Latin alphabet The certain letter meets to each type of errors A system errors error group 0 B temperature measurement errors error group 1 C flow rate measurement errors error group 3 D pressure measurement errors error group 2 E heat calculation errors error group 4 For example record BD means that there were errors of group 1 and group 2 More detailed information on these errors can be taken in the error archive printout In error archive printout the error code in the above described format and duration of this error in hours are mentioned Within one hour up to 3 polytypic errors can be registered in archive and for a day up to 5 polytypic errors can be registered If the number of errors is more than it was mentioned than the most significant e
40. value Symbol points to a current digit position Edition of the digit is carried out by pushing v and A buttons Selecting the next digit is carried out by p button To finish editing press the button which follows by the disappearance of the symbol 7 The last digit of a floating point number can differ by one from what is initially entered Choose item from the list Symbol f to the left of the parameter value shows that value of the parameter should be chosen from the list Buttons and A are used for scrolling through the item selection list To finish editing press the button To cancel editing press v and A simultaneously 1 Holding any buttons for more than 0 5 sec will result in the autorepeat of that button with the rate of 3 symbols per second 2 f entered an invalid parameter the meter displays an error message Pressing any button clears error message and returns to previous menu 69 Appendix E Indication of basic parameters mode SEA qpoJo eui uonejueunoop ui pequosep SE 1peJo pow y ul yJOM 10 uomneBuojoud 10 psomssed 19103 gt BuojoJg 4 V 40 iun peo Buojo1g 4 NGIN unjnq e 10 dnjes susjowesed 3 4 Ze epoui 53u INIMW uoneouuoA 1 Saqd NGQIA JO 1nO SI 19 9UJ OU
41. with application of bushes or thermal pockets according to the order on supply and return pipes of heat exchange system 5 13 5 length of connecting cables is determined according to a lay out of meter components and can be within the limits from 2 up to 100 m for ultrasonic flow sensors and temperature sensors from 2 up to 200 m for interface while connecting to PC from 2 up to 100 m for interface using analog outputs 5 14 Control board is structurally made in form of rectangular box safe and intended for mounting and connection of complex equipment produced by SEMPAL Co LTD 6 Marking and sealing 61 Meter marking on the calculator contains the following data name and reference designation of meters 23 manufacturer trade mark the type approval sign meter modifications M1 or M2 works number on a lateral cover which consists of five digit serial number and two or four digits before the serial number designating year of meter release power supply voltage power consumption Serial numbers of the RTD and FS are put on their bodies by an impact method or a method of engraving 62 Marking of FS contains value of internal diameter DN and the maximal opera tional value of overpressure PN FS 6 3 Meter components are sealed up to prevent a non authorized access 6 3 1 The calculator is sealed up by two mastic seals Seals are put on fixing screws on lateral covers For
42. 005 Number of communica tion lines and their length according to the order see Appendixes A and J 7 SVTU 10M Heat Flow me SMP 407251 003 OM ter Operating manual 8 Packaging set SMP 468927 005 14 Name and reference designation Labeling Number Additional information 9 Built in MDM REG SMP 408841 003 By the order 10 Modem Type in coordination with the customer In coordination with the customer while ordering the MDM unit 11 Connector for actuator Delivered while ordering the REG unit 12 Regulating valves Type in coordination with the customer According to customer s request while ordering the REG unit 13 Pump Type in coordination with the customer According to customer s request while ordering the REG unit 14 Pump control unit adapting Type in coordination REG output with the customer According to customer s request while ordering the REG unit 15 Diagnostics Device SMP 408844 002 By the order 16 Power backup module Type according to cus tomer s request By the order 17 Protection enclosure SMP 301538 006 By the order 18 Instruction SVTU 10M Heat Flow meter Calibration principles SMP 407251 004 C1 By the order 19 Reserve belongings Notes 1 FS is delivered with flanges and fasteners see table 4 3 SMP 407251 004 RB Completeness by the or der
43. 1 2 2 table 11 3 of present OM and also appendix E figure E 2 Time of incorrect work time of errors Terr device operating time power on there are error messages Terr values for 1 st and 2 nd channels are presented in printouts 20 of stored data archives and error archives see item 11 2 3 table 11 4 and also Appendixes E figure E 5 I of present OM Power on time Tpower total time when the device power supply voltage is on It is indicated on the heat meter display in a mode Indication of additional parameters and Check see item 0 table 11 3 of present OM Appendix E figure E 2 and also is pre sented in a daily archive printout see Appendix I Power off time idle time Tidle or non work time total time when the device pow er supply voltage is off It is displayed on the heat meter indicator in a mode Indication of additional parameters gt see item 0 table 11 3 of present OM Appendix E figure E 2 and also is presented in a daily archive printout see Appendix I Current time current calendar time taking into account summer winter It is dis played on the heat meter indicator in a mode Indication of additional parameters see item 11 2 1 table 11 2 and also Appendix E figure E 1 of present OM Measurement indication and registration of above listed parameters are carried out in hours In figure 5 1 the timing sheet is represented It explains how time of correct work Trun
44. 3 2 FS 100 100 230 2184 1230 95 105 2164 7 8 4 1 FS 125 125 265 2210 270 2 119 131 2190 10 6 5 2 FS 150 150 315 2236 296 2 143 156 2212 20 0 7 7 2190 55 FS 200 200 540 2335 360 0205 2295 59 22 2235 74 FS 250 250 620 2405 415 C260 2355 82 30 FS 300 300 680 2460 465 27 2410 36 O310 2335 FS 350 350 740 0520 515 0360 0470 52 2385 FS 400 400 820 5580 565 0410 0525 58 2480 FS 500 500 970 2710 670 0815 2650 2585 FS 600 600 1110 2840 765 0610 2770 5 700 700 1240 2960 855 2700 2875 FS 800 800 1360 21075 955 2800 2990 FS 900 900 1500 21185 1060 2900 01090 5 1000 1000 1550 21255 1160 21000 21170 Weight of straight sections with screws Nominal bores D represented in mm Mass kg not more than no fasts Nominal overall and connecting dimensions of FS mm 12 Table 3 5 Types dimensions and mass of RTD S RTD types Length in mm no more than Mass kg Notice Lerp L no more than 4 58 86 0 06 Type choose depending on 2 80 108 0 08 DN of pipeline according to 3 150 178 0 1 figures 9 5 and 9 6 M10x1 5 13 Plug Y3HH 05 7 Hexahedron s 17 mm forsealing 1 pcs screw location is undefined L RTD
45. FS is carried out in the following way to dismantle ultrasonic flow sensors to detach FS from the pipeline to carry out external examination of FS and if necessary to clean mechanically its internal surface from sediment to wash out internal FS surface by a solution of a synthetic washing up liquid of any type and then by water 12 6 Meters are presented for verification after servicing 2 Calibration interval is 4 years Calculator ultrasonic FIS temperature sensors flow measuring sections are presented for verification Metrological verification of meter modification M2 can be carried out according to no water method using flow rate simulator IMR 01 see table 4 1 of verification method SMP 407251 003 H2 The test for flow meters if necessary can be carried out applying certified flow mea surement sections The test for meter modification M1 which includes FS with nominal diameter more than DN 100 is carried out applying certified flow measurement sections of DN 100 13 Typical faultinesses and methods of their elimination While in operation the meter constantly checks working capacity both the internal units and the sensors of flow rate temperature etc connected to the meter Diagnosed errors are subdivided into groups according to a priority importance for rea lization of normal measurement The number of group less the error importance is more The error code includes its number and number of
46. Flange SMP 711154 004 004 05 ac For mounting FS 50 150 2 1 cording to the DN FS P ES 4 Hange SMP 711154 008 18 35 ac For mounting FS cording to the DN FS 200 1000 5 Gasket paronite SMP 754152 009 Sealing of flanges FS 32 6 Gasket paronite SMP 754152 007 007 16 Sealing of flanges FS 50 1000 7 RTD pocket SMP 753137 002 03 Protection of the RTD Lerc 58mm type 4 from hydraulic impacts 8 RTD pocket Letc SMP 753137 002 01 Protection of the RTD 80mm type 2 from hydraulic impacts 1 pes per 9 IRTD pocket Letc SMP 302634 002 Protection of the RTD 1RTD 150mm type 3 from hydraulic impacts 10 Sealing ring fluoroplas SMP 754176 003 Sealing of the RTD tic 11 Sealing ring fluoroplas SMP 754176 003 01 Sealing of thermometer tic pocket for RTD 12 Bush for angle a245 5 723144 007 Installation of the RTD 1 13 Bush for angle a 60 5 723144 008 without thermometer pock I DS 14 Bush for angle a 90 SMP 723144 009 et 15 Bush for angle a 45 SMP 723144 007 01 1 pes per 1 16 Bush for angle o 60 SMP 723144 008 01 Installation a gt 7 thermometer 17 Bush for angle a 90 9 723144 009 01 pocket 18 Connecting pipe SMP 716161 001 see draftin For pressure sensor mount 1 pcs per 1 M20x1 5 K3 8 Appendix K ing PS 19 Gasket SMP 754156 001 Sealing of device connec Lses tor Set AB 1000WLV 2 pcs crampon 20 corbel No mar
47. HEAT FLOW METER SVTU 10M Modifications M1 amp M2 HEAT FLOW METER SVTU 10M SETTE Heat 1 GCal 50 080577 Heat 2 GCal 50 080577 Operating manual SMP 407251 003 OM part 1 March 2010 Documentation Operating manual SMP 407251 003 OM part 1 2 Operating manual SMP 407251 003 OMI part 2 Built in MDM REG unit modem connection and regulation unit of heat flow meter SVTU 10M M1 M2 Content REESE CCo t Soo 6 Di UASSISHINO cama CD I 6 3 gt Technical specification eeren anyan tative tua a Sed O 7 4 PACK AGS COMIC IIS a y ayu deb ka RA dE evt A tutta attt dert d d 14 5 Structure and functioning 17 6 Marking and Sealing oc u epo S s Au a ge code cdit 23 2 S RUBER ON ha R 24 Bi Safety precautions w eae bU E eU ta NOU de Eb e Pe aaa 24 MEME GIC UU EE OS ESO 26 LQ Set ingz ub prosedur a e des ast 39 11 Th Operating procedure mo e eec dct b l 41 12 Seven a uapa aaa Ahus 49 13 Typical faultinesses and methods of their elimination 50 lA Soru La eu cepe Re abu za 53 10 ErainoDor llomeouua qana nuusan ua O dei de aaa 54 I6 Guarantee of ma ufactufer uu a arman XR NN a us 54 Appendix A Order mrolmalloD 2216 etr her aen RR RU NOR M uu Pu Da UR A EU at 58 Appendix B Basic circuits of meter mounting for different configurations 59 Appen
48. Marking Arrangement Marking Arrangement device ca connected unit ble FIS1 of channel 1 First downstream 11 11p FIS2 of channel 1 Second downstream 11 11p FIS1 channel 2 FIS3 First downstream 22 22p FIS2 channel 2 FIS4 Second downstream 22 22p Table 9 5 Compliance of marking on communication lines with marking on connected to them flow sensor cable outlets for meters with two beam FS Marking on flow sensor cable outlets Cable function Marking on main duplicate and their arrangement relative to flow connected unit device cable Marking of flow sensor Marking of the bend Main duplicate Main duplicate FIS1 beam 1 11 11 11p 1 5 FIS2 beam 1 12 12 12p 2 6 FIS1 beam 2 FIS3 21 21 21p 3 7 FIS2 beam 2 FIS4 22 22 22p 4 8 Table 9 6 Marking of device cable communication lines for connection of temperature sen sors RTD pressure sensors PT and external devices connected unit Marking on device cable connected unit Marking on device cable PT1 41 PT2 42 Interface RS232 51 Analogue outputs 61 Interface RS485 71 Structural and basic schemes of device cable are given in the appendix F The calculator should be powered by three pole socket 9 5 9 CAUTION IT IS FORBIDDEN 1 To break the procedure of cable connection according to marking tables 9 4 9 6 2 To swap around RTD of temperature
49. an be turned off by user in the mode Setup 11 2 5 Description of the mode Enter password 45 Entry into service modes Setup and Verification is permitted only after entering the proper passwords to avoid non authorized access to parameters saved in calculator memory Password input is requested after the user has chosen a proper mode in the menu The manufacturer set the following standard passwords for service modes see table 11 5 at device shipment Table 11 5 MODE STANDARD PASSWORD Setup 25205757 Verification 31415926 On customer s demand the manufacturer can set INDIVIDUAL PASSWORDS for ser vice modes that is equivalent to additional ELECTRONIC SEALING of the calculating unit and provides inaccessibility of unauthorized users to the saved up measuring information The password is represented by 8 digit integer number which is necessary for getting access to one of service modes Symbols on the indicator mark bits into which it is necessary to input password di gits Non masked open value of an input digit is displayed only in that bit in which input of its values editing is made Pressing the button gt To the right moves the cursor on one bit to the right allow ing to change separate bits of the password Pressing buttons A and Y Up and Down leads to a change of the edited di git Pressing the button 4 To the left means ending of password input If duri
50. asket in the gap between sealing surfaces of RTD and the bush is not permitted After final installation of RTD in the pipeline the bush and an external metal part of RTD should be heat insulated from an environment Before screwing the RTD in the thermal pocket it is necessary to be convinced of cleanliness of a thermal pocket and to fill it on 1 8 of volume with high temperature silicon lubricant of any type The soldering scheme for RTD connectors is indicated in the Appendix G 32 Table 9 2 Configuration of RTD Configuration variants for bushes of first Angle nominal length type internal thread of bushes M10x1 5 of incli Lrp mm type Labeling nation SMP 405212 001 03 SMP 723144 007 459 Lgrp 58 type 4 SMP 723144 008 SMP 723144 009 3 SMP 405212 001 01 n RN x SMP 405212 001 02 SMP 723144 007 SMP 723144 009 Configuration of thermal Configuration variants for bushes of pocket nominal length second type internal thread of bushes L rr mm nominal length M16x1 5 of RTD Lrp mm Labeling SMP 753137 002 03 L e 56 P ME 723143 008 01 58 SMP 723144 009 01 6 78 5 Lgrp 80 SMP 723144 007 01 4 7 75 SMP 723144 008 01 5 Lgs SMP 723144 009 01 6 The RTD of type 5 and 6 installation is possible only in the thermal pocket 33 Plug RTD S Sealing ring W Sealing ring of thermo booker X m PE AS x Sey Sr f 1 7 ly AN
51. basic functionalities of analog outputs is resulted below 5 11 1 The SVTU 10M heat meter forms output signals Y on three programmatically configured outputs see figure 5 2 while processing measured information X The parameter setting guideline for analog outputs is given in additional operating manual it is attached if meter is delivered with analog outputs SVTU 10M Heat and Water Meter X Object of Sensors of 7 supply EE temperature BR system flow apad pressure SVTU 10M calculator Interface 2 1 Analog MDM REG outputs built in unit Threshold output Y Interface 3 RS485 Figure 5 2 Each output is configured irrespective to another one and can be applied as follows 5 11 2 Forming of the potential output signals Y proportional to informative parame ters X measured by the meter In this case signals on meter analog outputs potential or cur rent outputs can be used by various registration devices for example recorders Informative parameters X are as follows tl 2 t3 t4 t5 t6 are temperatures measured by temperature sensors TS1 TS6 correspondingly P1 P2 are pressures measured by pressure sensors PS1 and PS2 correspondingly QI Q2 are heat carrier water volumetric flow rates measured in first and second measuring channels T is time hour minutes only for outputs configured as threshold In this case time of switching on and switch
52. but in FS DN 350 1000 they should be without fail 2 Channel diameter D of FS DN 200 600 can have one of two specified values see table 3 3 for convenient selection of straight pipes and should be mentioned when FS is ordered FS DN 200 1000 95 Appendix I Two beam flow measuring sections FS 200 1000 with reserve FIS i 4 a r lt S NA b 4 1 FS standard size Conventional al bore see table 1 Table 1 marking of conventional pressure Flow direction on both sides 200 600 16 700 1000 25 of F5 embodiment Distinctive mark of FS manutactufetigit FS serial number and date of making are shown conventionally FS serial number FS DN 200 1000 Two beam 96 Appendix J How to set hydraulic zero Setting of hydraulic zero is necessary for exception of a systematic measurement error Its possible occurrence can be caused by difference in manufacturing and real conditions of setting zero This phenomenon appears as non zero meter indications when the real flow velocity is equal to zero Device maintenance without zero setting or with incorrect zero setting can lead to sig nificant flow measurement errors especially in a range of low flow rates Zero setting should be carried at device commissioning after mou
53. ce on RTD parameters and so on tempera ture measurement accuracy it is necessary to mechanically seal up the temperature sensor us ing a hole in RTD case 12 2 Maintenance service is carried out by the representative of service organization During servicing it is necessary to carry out the security measures given in Chapter 8 12 3 Meters are put to two servicing types 1 and 2 12 4 Servicing 1 is carried out on a meter operation place twice a year and includes external examination and check of working capacity Check visually no leak in places of meter installation reliability of contact joints no mechanical damages on plastic details 49 safe isolation of connecting cables measuring data output in accordance with items 11 2 1 and 11 2 2 After ending of heating season it is necessary to make cleaning of flow sensor sur faces using washing up liquids weak solutions of alkalis or acids without mechanical clean ing If heat meter was out of service for a long period of time it is recommended two ways to switch off the device or to provide the guaranteed absence of the heat carrier in a flow measurement section 12 5 Servicing 2 of meters is carried out annually At servicing 2 following operations should be carried out operations provided by servicing 1 dismantling and cleaning of FS according to item 12 5 1 dismantling and cleaning of RTD 12 5 1 Dismantling and cleaning of
54. ch profile sealants or other ways recommended by the manufacturer of protective pipes 9 4 Installation of flow measuring section FS installation place should be as much as possible removed from sources of vibrations jolting electromagnetic interferences electromotor pumps compressors etc No electric voltage relative to a protective contour of grounding in the place where FS should be in stalled The distance between flow meter section and an installation place for the calculator should be minimal and not exceed 100 m In all cases it is necessary to locate FS in the pipeline area providing its full filling with water otherwise meters stop functioning and malfunction see Chapter 13 of OM is diag nosed Flow meter sections can be installed in vertical position however submission of the heat carrier thus should be carried out in a direction bottom up for providing FS with water filling Heat meter operation in special conditions incomplete filling of FS with the heat carrier or polluted heat carrier determines its location as resulted in figure 9 1 In this case complete water filling of FS is guaranteed The most polluted pipeline section appears in a place below FS Figure 9 1 For the removal of heat carrier rests from the bottom part of the pipeline see figure 9 1 it is possible to provide the drain valve At installation please follow the requirements resulted below The pipeline section chosen for FS cut in should
55. cording to the certificate should be considered as damaging of the seal installed by inspect ing organization The possibility of mechanical sealing of the calculating unit with the use of sealing cups with holes on device case is stipulated 12 1 2 In doubts of heat meter correct installation or operation it is necessary to enter into the Check mode and to compare correctness of the entered values for RTD tempera ture coefficients FS exact diameters distances between flow sensor transmitters and FS conversion ratios to the data resulted in Chapter 17 Parameters and characteristics of meter components Thus compared values can differ in limits which are not exceeding units men tioned in Chapter 17 of this OM 12 1 3 It is necessary to consider that a heat meter commissioning begins with reset nulling of its integrated indications the saved up measuring data Reset of indications also should be carried out after meter repair or verification 12 1 4 Difference between power on time and time of correct work means that a heat meter operated incorrectly switching off breakage or short circuit of sensor cables absence of the heat carrier etc Therefore sealing of flow sensors or their connectors is not obliga tory However the possibility of mechanical sealing for flow sensors and their connectors with a use of proper holes in clamping nuts of FIS and connector cases is stipulated 12 1 5 To except a non authorized influen
56. dix C Connection to additional device examples 64 Appendix D Overall and connecting dimensions of calculator 67 Appendix E Meter control menu E REN Rh to Lo Ra o e 68 Appendix F Scheme of device cable Locri itat reap Rar ee 83 Appendix G Sensors Pinout season teen ER ORO ARCU OO 9 Appendix H The scheme of pressure sensor mounting 92 Appendix H The scheme of pressure sensor mounting 92 Appendix I Overall and setting out dimensions of flow meter sections FS 93 Appendix J How 10 sethiy ratli u aaa aasawa aqa aba 97 Abbreviation list OM operating manual FS flow meter section with ultrasonic flow sensors FIS RTD resistive temperature detector RTD S platinum resistive temperature detector manufactured by SEMPAL Co NSC RTD nominal static characteristic of RTD FIS flow sensor TS temperature sensor PT pressure transducer DN nominal diameter PN nominal overpressure PC personal computer RDU data reader X digit on the device display MDM REG built in unit for modem connection and regulation Information for customers Heat flow meters SVTU 10M hereinafter referred to as meters are complex measur
57. e carried out 5 7 H the measured instantaneous flow rate values Qmeas lt 0 5Qmin the device in dicates zero flovv message and mass storing M Q p isn t carried out 5 8 Measurement of the heat carrier water overpressure is carried out by transfor mation of electric signal from the pressure sensor into the digital format with its indication on the calculator display Overpressure values Pop kgf cm measured and displayed by the calculator and current Iin mA on an input of pressure measuring channel on the calculator input are connected by a following ratio P P 0 1 1 where P and P are pressure values in two points of pressure transducer characteristic for example minimal and maximum pressure I and I are correspondingly currents on the PT outputs in the above specified 1 5 12 points Uneas is value of measured current on the output of PT 5 9 Measuring time parameters the meter carries out measurement of following quantities time of correct work running or work time time of incorrect work time of er rors power on time power off time non work or idle time and also displays current tak ing into account summer winter time Time of correct work running time Trun or work time device operating time power on no error messages Time of correct work on 1 st and 2 nd channels is displayed on the heat meter indicator in a mode Indication of additional parameters see item 1
58. ed The straight pipe distance downstream a conical contraction should meet the require ments for all flow meters To calculate the length of straight sections we use distance equal to DN in mm for ap propriate standard size of FS DN 32 means 32 mm DN 50 means 50 mm etc It is not supposed to install any kind of disturbances on straight sections upstream of a flow meter Internal diameter of a straight pipeline section should not differ more than on 5 96 from digital value of DN in mm for FS with DN20 DN32 DN50 In other words nomin al value of internal diameter of straight section should be 20 mm 32 mm and 50 mm correspondingly real diameter of FS which is resulted in Chapter 17 Parameters and characteristics of meter components for FS with DN65 DN1000 For modification M1 deviation of internal diameter of straight section is permitted but no more than 5 negative deviation is not acceptable 9 5 Installation of meter components 9 5 1 Installation of FS 9 5 1 1 FS is insertion type of a flow meter 9 5 1 2 Delivery sets with FS of DN32 include special pipe branches nipples which are welded to straight sections of the pipe during installation 28 For the rest of FS the straight sections are included in delivery set according to custom er s request Pipe branch with sleeve nut which is included in delivery sets for FS of DN20 and DN32 is a part of straight section and applied for further welding to pip
59. eline to create re quired distance of straight section The axis of a branch pipe and straight section should be a uniform coaxial line without significant jogs and bends Transition Tump from a branch pipe to a pipe should not exceed 0 8 mm 2 5 for FS of DN32 9 5 1 3 While connecting flow meter s flange to the pipe the flange bore can be reamed to external pipe diameter with the least allowable tolerances The schemes for flange welding are resulted in Fig 9 2 and Fig 9 3 Flange mounting to the pipeline should be carried out without metal sagging on the in ternal pipe surface Otherwise change of velocity profile can lead to additional meter error After flow meter installation the flange painting should be done Figure 9 2 Figure 9 3 WARNING Please avoid welding of flanges to the pipeline if FS has been installed It can lead to flow meter damage because of overheating 9 5 1 4 Pressure losses Pressure losses at maximal flow rate Qmax don t exceed 0 085 kgf cm for all flow meters if there are no additional remarks Pressure loss for flow meters of DN32 with straight sections DN 32 in kgf cm is shown on the plot see fig 9 4 The curve 2 demonstrates pressure loss directly on the flow meter of DN32 The curve demonstrates pressure loss on the flow meter straight sections and conical 10 contrac tions while installing the flow meter of DN32 on the pipe of DN 50 29 P kgf cm 0 2 0 15
60. er control menu Reference designations The buttons below have the following meanings gt Right A a Up z Down Co Left x Result from pressing a corresponding button Note in this case from pressing the gt button Chanel 3 d Continuation is followed on a next page with the corresponding title Menu items denoted as are indicated only for corresponding meter configuration For example temperature of cold water is shown only for configurations 4 and 9 Showing menu on display SETUP Symbols gt point to a chosen item on the screen n 275 Pressing the button gt will execute the chosen item To Archive format 4 gn pst return to the previous menu press Symbols T and 4 show previous and next items on the menu Some items are password protected which ask for a password after pressing the gt button Editing of some parameter Supply pressure kg cm 16 Editing can be performed by the following gt three steps displaying current value of parameter editing the parameter To start editing press b button displaying edited result After pressing the button appears symbol which is a sign of editing process 68 Appendix E There are two editing modes editing of digital value choose item from the list RS232 speed 38400 Remarks Editing of digital
61. ers gt RTD 1 4 RTD parameters RTD 1 gt RTD 2 4 RTDx parameters Kd1 0 23456 0 23456 Displays Kdl and Krc parameters for a corresponding RTD 4 m Note Menu items denoted as are indicated only for corresponding meter configuration Figure E 3 73 sz qunoo quay sz q urezed ALU XS Co MO4HO sz q urezed aran sz q urezed s zequnu erzazes SJejeureJed S4 499u2 sz q urezed san uomneanBijuoo uor3eznbrguo y z qumu Terz sS 4 i ZSOT M TAMN pue Jequunu eues 5 s e dsiq z qumu Check mode z qumu TETZ S A M TA 4 Ieuznof M TAM MOsHO pJoo9J SATYOIS MOTAY Jojpesnese A pue W suonng y Teuznof M TA4 uo 1sele 25 17 u uio4 Bues jeuunof sjue e s pidsiq 55 77 77 I Appendix E 74 0078 00261 0096 OO8r OOyZ Bue1 e WO INO paleo si ZETSH peeds erui jo y uoneanfiuoo 10J A luO 0078 asezquooJ peeds zezsu S NILLHS p ds 22284 3serquoo 4 gt MH 3sezquooS zoqeorpur SSNILLSS 1senuoo soyepolpul Jo jueunsn pe 10 p sn w pue A suonng Check mode peKejdsip SI poul oijioeds Olul 501114 JO JequinN oqur Appendix E
62. hould not exceed a permissible level for the meter Before hydraulic zero setting it is necessary to run the heat meter in heat water supply system on the maximal heat carrier water flow rate for half an hour then to cut off a valve after flow measurement section to cut off a valve before flow measuring section Hydraulic zero setting can be conducted in a few minutes after water fluctuations in the tapped section will stop If value of the first group of digits displayed on the meter indicator and registered by the meter as heat carrier zero velocity noticeably exceeds 500 or number of measurement cycles then some obstacles are possible on tapped FS air bubbles in FS heat carrier leakage through valves significant level of external electromagnetic noise Level of noise can be lowered by having equale potentials between grounding contact of power socket earthing loop of a premise and FS Power backup unit or the external line filter connected to ungrounded socket will not lower a level of noise Use of the specified devices can give a positive effect only in a complex with a qualitative certified grounding loop 98
63. igit liquid crystal indicator slots for connecting cables and a power cable outlet Heat meter control buttons are described in chapter 11 and Appendix E 5 13 2 In a heat meter the liquid crystal indicator with illumination is applied Compu tational algorithm of illumination is following after power switching on the device backlight LCD is automatically switched on and after several seconds it is automatically switched off ifatthe moment of pressing the button backlight has been switched off it is switch ed on but change of the information on the indicator and switching of operating modes don t occur The further push button carries out standard functions time of a backlight is 15 minutes after last pressing any button 5 13 3 FS is a pipe section with flanges and bushes for ultrasonic flow sensors Geo metrical dimensions of FS linear and angular have rigid tolerances This is necessary for achievement of required measurement accuracy and work stability see the table 3 3 and ap pendix L For all flow meters with DN 200 and more duplicate flow sensors set is provided It means that single beam flow meter has four flow sensors one pair is duplicate two beam flow meter has eight flow sensors two pairs are duplicate Caution selection of duplicate pair of flow sensors in two beam flow meter is permit ted only for pair which is located in the same plane as the basic one 5 13 4 RTD are installed in pipelines
64. ile AT varies from 10 C included up to 150 C included 3 20 Limits of relative error of heat carrier or water volume mass measurement meet to values indicated in table 3 4 Table 3 3 Limits of relative error 9o for modifications Flow range MI M2 From Qmin included up to Qt t3 t3 From Qt included up to 1 2 Qmax included 3 21 Limits of absolute error while measuring a heat carrier temperature are 0 2 C 10 Limits of absolute error while measuring a heat carrier temperature difference are 0 1 0 001 AT C where AT is numerical value of temperature difference Celsius de grees 3 22 Limits of pressure measurement error 0 5 when PT from the SVTU 10M set are used 24 0 27 when purchased PT are used where pr is the error limit of purchased PT 3 23 The calculator provides setting of individual transformation factors for pressure transducers Error limits at transformation of inputs from pressure transducers and at indication of heat carrier or water overpressure are 0 2 96 3 24 Limits of absolute meter error while measuring the time are 1 minute per 24 hours 3 25 Measurement information about heat energy heat carrier or water volume and also work time and non work time is stored in nonvolatile memory within 8 years with power off 3 26 The maximal heat carrier water overpressure 2 4 MPa 24 kgf cm for DN up to 600 mm 4
65. ing off is set The notice Two outputs can be configured as linear or as threshold the third output is always threshold While configuring outputs two threshold values switching on and switching off are set independently 5 11 3 The MDM REG unit can be used as two channel regulator with potential out puts In this case both of analog outputs can operate regulating valves and the third thre shold output can operate a pump Regulation can be carried out according to following pa rameters temperature Maintenance of fixed temperature basing on any of measured temper atures heating regulation In this case the temperature of the return pipeline is regulated with correction by outdoor temperature The day and night regulation mode and also weekend mode are set 22 While completing the MDM REG unit with current instead of potential outputs it can t be applied as a regulator 5 11 4 Parameters of regulation can be set remotely if the meter has a connection to a computer 5 12 The MDM REG unit description is given in Operating manual SMP 407251 003 OMI part 2 MDM REG built in unit modem connection and regulation unit of the SVTU 10M M1 M2 heat flow meter 5 13 Structurally the meter consists of several units the calculator temperature detec tors flow meter section with ultrasonic sensors pressure sensors 5 13 1 The calculator housing has four control buttons the digital display 4 line 64 d
66. king Mounting of the calculator 2 pcs washer lt star gt 2 pcs screw M4 hex 2 pcs Fixings thread diameter d and bolt length L fit to holes in flanges and total flange thickness 2 screw M3x10 GOST 17473 80 Mounting of the connector 4 pcs 22 washer 3 GOST 10450 78 or 11371 78 4 pcs t 23 Bolts A dxL 88 35 019 GOST 7805 70 FS 50 150 According to t 24 Nuts A d 9 35 019 GOST 5927 70 A the total 25 Bolts A dxL 46 GOST 7798 70 number of 26 Nuts A d 5 GOST 5915 70 holes in FS 27 Washers d 5 GOST 11371 78 FS 200 800 flanges App L and table 3 3 5 1 5 Structure and functioning of meters The principle of heat carrier water flow measurement is ultrasonic time of flight The time for the sound to travel between a transmitter and a receiver is measured The time difference is proportional to the average fluid velocity and flow rate correspondingly The integrated momentary flow rate values give the information about heat carrier water volume which has passed through FS The heat carrier water mass is calculated as a func tion of volume and density of the flow depending on its temperature 17 Fluid velocity can be measured by one path or two paths One path is arranged in the diametric flow meter cross section whereas two paths are arranged in two chord planes 5 2 Heat carrier water temperature is measured by platinum resistive temperature detectors
67. manufacturer has developed and can propose special removers or complete set of design documentation for their manufacturing The soldering and pinout schemes for connectors of flow sensors are resulted in the ap pendix G 9 5 3 Installation of temperature sensors 3l Temperature sensors manufactured by SEMPAL Co RTD S can be installed in two ways by screwdriving in bushes lugs of the first type welded into the pipeline for direct contact of the RTD with the heat carrier by screwdriving in thermal pockets which in turn are screwed in bushes lugs of the second type The last ones are welded into the pipeline for contact with the heat carrier via a protective thermal pocket Choosing a way of RTD installation in the pipeline it is necessary to consider that to obtain a maximal accuracy of temperature measurement the sensitive element of RTD should be arranged more close to an axis of the pipeline There are five types of RTD with length of 58 80 150 310 360 mm type 4 2 3 5 and 6 correspondingly and variants of their angular installation in accordance with specified requirement irrespective of pipeline diameter The inclination angle and depth of RTD immersing is provided with use of bushes lugs the design of which depends on pipeline DN Variants of RTD installation are given in the table 9 2 and in figure 9 7 Variants of RTD installation in thermal pockets are given in the table 9 3 and in figures 9 8 9 9 War
68. mastic fixing under screw heads sealing cups are provided For realization of additional sealing by means of a lead seal the screws with holes in heads on lateral covers are stipulated On customer s demand the replacement of these screws by additional sealing cups is possible 7 Packing and marking 7 1 Marking of transport container has specific instructions CAUTIOUSLY FRA GILE PROTECT FROM MOISTURE TOP 7 2 Meter components are packed into the boxes in accordance with drawings of manufacturer In coordination with the customer FS delivery without transport container or in custom er s container is possible 8 Safety precautions 8 1 Electric isolation of meter power circuits with a supply voltage 220 V stands a test direct current voltage 2100 V during 1 minute without damages 8 2 Electric isolation of meter power circuits with a supply voltage 36 V or 24 V stands a test direct current voltage 700 V during 1 minute without damages 8 3 Hlectric isolation of power circuits of device enclosure stands a test alternate cur rent voltage 1500 V during 1 minute without damages 8 4 Electric resistance of isolation for meter power circuits with a power supply vol tage 220 V is not less than 20 MOhm while the temperature is 20 C and relative humidity is up to 80 96 1 MOhm while temperature is 35 C and relative humidity is 95 96 8 5 Electric resistance of isolation for meter power circuits with a power supply
69. meters is resulted in item 2 1 of the table 11 1 and in figure 11 1 The list and the content of items are resulted in the table 11 3 The order of running through the menu in a mode Indication of additional parame ters is resulted in Appendix E in figure E 2 Table 11 3 Indication of heat carrier water mass in FSI 555 Indication of power on time Indication of correct work time work time Indication of power off time break time 11 2 3 At occurrence of worst case situations in modes Indication of main parame ters and Indication of additional parameters a code and character of malfunction see Chapter 13 are displayed on the device indicator 44 11 2 4 Check Mode The arrangement of items in a mode Check is resulted in item 2 2 of the table 11 1 and in figure 11 1 The list and the content of items are resulted in table 11 4 The order of running through the menu in mode Check is resulted in Appendix E in figures E 3 E 6 The mode Check provides for revision of archive data and events journal operator actions indication of parameters which are necessary for control adjustment of device in dicator contrast and adjustment of a bitrate within interface RS 232C The mode Check does not interrupt measuring process and can be used both the energy supervisor and the us er see table 11 4 Table 11 4 Menu item Name of menu Explanation item Displaying of event jou
70. n lines The REG Unit if it is installed does not display the information on analog and switch outputs including regulating channels 13 2 Error group 1 This group includes the errors referring to temperature measurement the sign x spe cifies number of the channel 1 1 0 break of one or some TS from the set TS1 TS3 1 2 0 break of one or some TS from the set TS4 TS6 1 3 x fault of TSx 1 4 x TSx is failed Resistance of mentioned TS is out of specified limits 1 5 x error of TSx factors It was an error during manual input of calibration factor for mentioned TS This error can appear after TS calibration and manual in put of new factor values during meter verification 1 TSx is below the tolerance Measured by TS temperature is lower than ac ceptable one is lower than 50 C 1 7 x TSx is over the tolerance Measured by TS temperature is higher than the maximum is higher than 150 C If TS with an error is taken into flow rate measurement process then proper flow mea surement channel cancels all measurements If TS is used for heat energy calculation then heat energy is not determined 13 3 Error group 2 This group includes the errors of pressure measurement the sign x specifies number of the channel 51 2 1 x PSx is below the tolerance Measured pressure is below zero It can be caused by object conditions
71. n special manual if this mode is ordered by consumer 11 2 8 2 Credit prolongation It is intended to input a passvvord for credit prolongation 11 3 Malfunction diagnosis The calculator carries out diagnostics of malfunctions and gives out malfunction mes sages on the indicator The detailed description of the device functioning in this mode is re sulted in Chapter 13 of OM 48 12 Servicing 12 1 The Instruction to the representative of inspecting service 12 1 1 The SVTU 10M heat flow meter is protected from consumer intervention as well as intervention of heat supply organization Any changes of a heat meter parameters can be carried out only in Setup and Verification service modes To except a non authorized access into device functioning process and prevent possible attempts to change any device constants calibration factors of thermoresistor Kdl and Krc conversion ratio on flow rate geometrical parameters of a flow meter section the fact of login or running through these modes is fixed in the Check mode see appendix E The opportunity to check inputs in the specified modes is equivalent to a mechanical sealing i e it substitutes mastic seals branded labels etc so it is electronic way of calculator sealing Therefore the basic attention should be paid to the number of entries into service modes Difference of this number from the recorded one at the moment of device commissioning release date ac
72. ne with incomplete partial water filling of FS or on the pipeline supplying the heat carrier in steam condition In all above stated cases except for device switching off the heat meter will register failure operating time which is subtracted from the time of the heat carrier control Power off time switching off time isn t considered dur ing failure operating and would be displayed in a mode Indication of additional parameters see item 11 2 2 Ifthe heat carrier was cut off for a long time interheating period repair of heat sys tem etc and it had led to occurrence of stagnations in the pipeline drains a rust bubbles etc it is recommended to switch off the device or to provide the guaran teed absence of the heat carrier in a flow measuring section to block pipeline valves and to drain the rests of water by means of the drain valve see figure 9 1 Scum on internal FS walls reduces the real FS diameter and can lead to overestima tion of water and heat flow rate readings Therefore it is necessary to provide main tenance service of meter every two years see Chapter 12 During each operation cycle 1 2 seconds the heat meter carries out self diagnostics of a technical condition by several criteria In case of measurement sec tion failures breakage of flow temperature sensor cables absence of the heat carrier etc storage of integral parameters heat carrier volume and mass heat energy and non fail
73. ng 10 minutes there was no pressing of any button the meter is switched from a mode Enter password to mode Indication of main parameters Enter passvord SETUP O 1 4 Password correct SETUP y Set zero Y Pressure In figure 11 2 the example of password input for entry in a mode Setup is given Figure 11 2 11 2 6 Setup Mode The arrangement of items in a mode Setup is given in item 2 3 of table 11 1 and in figure 11 1 The list and the contents of items are resulted in table 11 6 46 The order of running through the menu in a mode Setup is resulted in appendix E in figures E 7 E 12 The Setup mode is used by consumer during meter commissioning for hydraulic zero setting in volume measurement channels setting of units input of necessary parameters of 1 st and 2 nd channels and also for total device reset see table 11 6 Table 11 6 Setting of hydraulic zero which is necessary for device commissioning Input of internal pressure values in supply and return pipelines for channels 1 and 2 configuration 4 Enter the number of used PT and their parame ters 2 3 6 Archive format Archive format for heat carrier flow rate is se lected by volume or by mass 2 3 7 Set time Input of current values year month day of week hours minutes 2 3 8 Service Total nulling of all stored parameters and archive can be seen only after shipment or after
74. ning Applying lugs with inclination 45 or 60 it is necessary to provide a contact of heat carrier with the bottom part of RTD where thermosensitive element is located The installation place for each RTD included in delivery set is given on the meter s scheme for installation see the appendix B The RTD which measures temperature of the heat carrier water should be installed close to FS The distance between the RTD and the calculator should not exceed 100 m The RTD can be installed on the upstream or downstream sections of FS but installa tion on the downstream section is preferable While installing the RTD after FS the distance between the bush and FS should be not less than 5 DN and at installation before FS not less than 10 DN After bush welding it is necessary to process its thread by tap M10x1 5 or M16x1 5 depending on bush type While installing the RTD with inclination 45 or 60 it is necessary to drill 10 mm hole 16 mm for a thermal pocket and to saw up to a necessary oval depending on thickness of a pipe wall see figure 9 6 and figure 9 8 The sealing surface of the bush should be protected from splashes of the fused metal during welding Before application of sealing gasket fluoroplastic ring a sealing surface of the bush should be greased While screwing the RTD in the bush the force put to a wrench of 200 mm length should be no more than 5 kg and provide hermetic seal The deformation of fluoroplastic g
75. nting dismantling of flow sensors FIS during routine maintenance after changing of order of cable connections to flow measurement section FS at inspection of flow measurement channel functionality Zero setting in each heat meter channel is desirable to conduct at first out of pipe on tapped FS and then it is obligatory on the object If there is no possibility to cut off a heat carrier zero setting out of pipe is a unique way for correct device commissioning Thus it is necessary to provide repeated connection of flow measurement channels cables and FIS which has been used during zero setting in laboratory conditions Thus FIS should not be dismantled from tapped FS As far as after ending of zero setting the device saves the certain constant characteriz ing such connection so change of the cable connection scheme can lead to flow rate mea surement with systematic measurement error This negligence in device settings can lead to self running when at zero heat carrier velocity the device will display non zero flow rate 1 Inspection of correctness for zero setting on tapped FS 1 1 Assemble a flow measurement section with technological tap at the end face lo cate it vertically fix flow sensors and completely fill FS with preliminary boiled or settled water to remove air bubbles Clean end faces of flow sensors from remained air bubbles manually by a finger or a brush if they were appeared during filling
76. o it is obligatory to provide zero setting in a mode Setup to correctly repeat this operation while installing device on the object the de scription of operating modes is also given in Chapter 11 10 5 While installing device on the real object it is necessary to fill with water the pipeline with installed flow measurement section Run through FS the heat carrier water with increased volumetric flow rate during 10 minutes Be convinced of no leakage in plac es where meter components are installed and no error messages on the digital display of the calculator The list of these messages is resulted in Chapter 13 10 6 Accomplish mentioned hereinafter actions in a mode Setup To login in a mode Setup see instructions described in item 11 2 4 the order of menu access in a mode Setup is described in item 11 2 5 and also in Appendix E In a mode Setup set hydraulic zero for the channel of volume measurement input the temperature value of cold water into calculator memory only for configu ration 4 set the proper units seta proper archiving format for the heat carrier water volume data input the pressure value of the heat carrier in supply and return pipelines into calcu lator memory reset all integral meter parameters Warning Zero setting should be provided for all FS of DN less than 400 mm For FS of DN400 and more zero setting isn t required For FS which nominal bore isn t more than
77. ork time and non work time and also average measured values of temperature per hour during 70 preceding days hourly archive per day within 1 preceding year daily archive 3 5 The number of display digits For heat energy volume mass of the heat carrier or water is 8 For heat power volumetric mass flow rate of the heat carrier or water is 5 For heat carrier temperature in supply and return pipelines cold water temperature is 5 For overpressure of the heat carrier or water is 3 For work time and non work time current time is 7 For date is 8 3 6 The minimum bit value of digital display at indication of heat energy from 107 up to 1 GCal from 107 up to 1 GJ volume mass of the heat carrier or water from 107 up to 1 m from 107 up to ton volumetric mass flow rate of the heat carrier or water from 0 001 up to 0 1 m hour from 0 001 up to 0 1 ton hour heat power from 0 001 up to 0 1 GCal hour from 0 001 up to 0 1 MW heat carrier temperature in supply and return pipelines cold water temperature and water temperature in hot water supply system 0 01 C overpressure of the heat carrier or water 0 1 kgf em 0 01 MPa work time and non work time from 10 up to 1 hour current time 1 second 3 7 All performance specifications for SVTU 10M meters are resulted in the table 22 Table 3 2
78. ost heat carrier on a source of a heat supply further under the text feed water volume Meters of 4 5 7th configurations also indicate the calculated difference of heat carrier volumetric flows in supply and return pipelines further under the text water leak 2 1 Meters depending on their configuration can be applied for the control of heat ener gy in the closed type or open type systems of a heat supply or water volume according to acting rules of the control of heat or water supply and consumption on industrial objects and objects of a municipal services Meters of 9 configuration meant for measurement of produced heat energy on a source of heat energy 2 20 Meters depending on their permissible error limits while measuring heat vo lume volume flow rate and mass of the heat carrier can be represented in following modifi cations M1 and M2 6 2 3 Meters with two chord FS have only M1 modification 2 4 The meters can work under the following conditions atmospheric pressure can vary from 84 0 up to 106 7 kPa relative air humidity is up to 95 power supply can vary from 187 up to 242 V 50 1 60 1 Hz or DC or power supply is 36 5 4 V 50 1 60 1 Hz or DC or power supply is 24 3 6 V 50 1 60 1 Hz or DC 3 Technical specifications 3 The meter consists of the following functional units flow meter section with ultrasonic flow sensors FS resistive
79. ould be equal to 40 45 N m and provide a zero gap between FS surface and FIS ring surface out side of its sealing gasket For FIS installed in FS of DN32 the force is 18 20 N m On sensor cable outputs for modification M2 marking is not required The instruction is obligatory only for meters of modification M1 WARNING Ultrasonic flow sensors contain piezoceramic elements and thin walled design ele ments which have the increased fragility and do not permit shock and excessive compress ing loads That is why IT IS FORBIDDEN to swap around flow sensors of different channels to install flow sensors with marks 11 21 intended for installation in the first flow meter bush according to flow direction in the second bush and sensors with marks 12 22 to install in the first bush the instruction is obligatory for meters of modification M1 to drop ultrasonic flow sensors or to knock on them at transportation and installa tion to carry out mounting and dismantling of FS with installed ultrasonic flow sensors to accomplish metalwork or welding works on the pipeline close to FS with the in stalled ultrasonic flow sensors to exceed the mentioned above force for tightening of FIS to dismount stuck to FS flow sensors while turning them in bushes during regular service 9 5 2 3 For the removal of the flow sensor its design provides special elements The
80. ould pro vide protection against direct influence of atmospheric precipitation While transporting by air transport meters in packing should be placed in hermetically compartments 15 2 Transportation conditions ambient temperature for calculator can vary from minus 20 C up to 50 C for FS can vary from minus 50 C up to 50 C relative air humidity is up to 98 while temperature is 35 C transport jolty with acceleration 30 m sec while frequency varies from 80 up to 120 beats per minute 15 3 Meters are steady against influence of sinusoidal vibrations while frequencies vary from 5 up to 35 Hz with amplitude up to 0 35 mm 15 4 At shipment and unloading it is not permitted to throw meters At shipment in vehicle FS and packing box with the calculator should be fixed with the pur pose to except any moving 16 Guarantee of manufacturer 16 1 Manufacturer guarantees that produced heat meters meet to all requirements of their specifications within 48 months from the moment of shipment if the consumer observes the following conditions installation starting up and adjustment of a heat meter is made by the organization which has the manufacturer s sanction on carrying out given works presence in section 19 of OM a mark of the organization which has provided instal lation starting up and adjustment of a heat meter conditions of service transportation and storage meet to requirements in Chap
81. ovides direct connection to the modem PC and other peripheral devices see Appendix C 3 12 Meters can be equipped with two analog electrical outputs of direct current vol tage from 0 up to 10 V or two analog outputs of direct current from 0 up to 20 mA propor tional to one of the following quantities heat carrier temperature in supply return pipeline water temperature cold water temperature overpressure of the heat carrier water volumetric flow rate of the heat carrier water The notice It is possible to configure analog electric signals proportionally to other measured parameters 3 13 The nominal supply voltage of meters can be 220 V or 36 V or 24 V of direct current or alternate current with nominal frequency of 50 Hz or 60 Hz 9 Power consumed by meters does not exceed 7 VA 3 14 Nominal diameters DN overall dimensions and the mass of flow measuring section FS and also length and mass of RTD depending on their type are indicated in tables 3 5 3 6 and in the picture 3 1 9 7 The notice 1 It is possible to increase the total length of FS due to the length of straight sec tions before and after places for ultrasonic flow sensors installation 2 DN is the designation of internal diameter which numerical value is approx imately equal to internal diameter of attached pipe sections 3 15 Meters of 2 5 6 g 9 configurations of MI modification meet to a grade of accuracy 2 meters
82. ow Installation should be accomplished by twisted pair Connectors of a connecting cable are attached to a connector 71 of device cable on each RS232 PC Transducer RS232 RS485 meter Shorts should be soldered on first and last meters in chain 120 Ohm 120 Ohm RS485 A Ed RS485 A RS485 B i E RS485 B GND GND Socket DB 9F Socket DB 9F with shield with shield Meter 1 Meter n m m G ES os Ox N o0 o N z nz D D Socket DB 9F with shield Socket DB 9F with shield Meter 2 Meter n 1 Figure C 5 66 Appendix D Overall and connecting dimensions of calculator 35 max Mounting plane Screw M3x10 Washer 3 complete set includes 4 pcs 2 1 Modification labelling Device cable conditionally is not shown Pressure seal 1 ISO 9001 2000 i Pressure seal 2 H I HI 50 min y 235 max a 5 2 Sealing places are marked by digits SG 1 2 sealing places for manufacturer 3 3 4 sealing places on the object including hinged seals A back view 143 67 Appendix E Met
83. p PT parameters mode Enter the number of used PT from 0 to 2 PT parameters Number of PT Number os PT PT parameters PTx parameters Edit selected Number of PT parameter gt PTL gt 10 V P0 PT parameters 4 PTx parameters PTl MIO PT2 4 gt PO Enter selected parameter Note Menu items denoted as 5 are indicated only for corresponding meter configurations AIL gt P1 4 Setup PT parameters two points of transfer characteristic pressure and PT output current 82 Appendix F Scheme of device cable Structure scheme of device cable Complete set up to 6 TS and no PT Cable of configuration T To calculator 2 Device connector Interface 1 Interface 2 Interface 3 To sensors and peripheral devices 2 HIS 1 3 to FS1 E FIS 2 21 4 FIS 3 22 X5 to FS 2 FIS 4 X6 31 HIS 1 XT 32 X8 33 34 X9 To TS temperature measurement X10 gt XII 20 TS 6 1 121 PC modem data collection device depending on output configuration 13 1 see Appendix C rei X 61 ped Recording or regulating equipment X 15 71 Interface RS485 The notice Numeration of communication lines in figures is indicated according to the table 9 4 83 Appendix F Structure scheme of device cable Complete set up to 5 TS and 2 PT Cable of configuration To calculator Device connector Interface 1 Interface 2
84. plete set with two TS there are no cables 33 36 in device cable 3 For complete set with three TS Interconnection for cables 31 32 and 33 at complete set of three TS TS1 TS2 and TS3 meets to inter connection for cables 31 32 and 33 resulted on schemes for configurations T and P There are no cables 34 36 in device cable 4 For complete set with four TS there are no cables 35 and 36 in device cable Interconnection for cables 31 32 and 33 at complete set of three TS TS1 TS2 and TS3 meets to interconnection for cables 31 32 and 33 resulted on schemes for configurations T and P 86 Appendix F 5 For complete set with five TS Interconnection for cables 31 32 and 33 at complete set of three TS TS1 TS2 and TS3 meets to inter connection for cables 31 32 and 33 resulted on schemes for configurations T and P 87 Appendix F Basic circuit of device cable Device connector X Connectios of flow sensor cables plug DHS 44M Cable sockets 05 7 Flow Sens 11 X2 Flow Sens 11 FIS1 Flow Sens 12 x3 Flow Sens 12 2 7 FIS2 Flow Sens 21 x4 Flow Sens 21 183 Flow Sens 22 X5 Flow Sens 22 Iw FIS4 X6 TSI XT TS2 X8 TS3 X9 TS4 X10 TS5 Cable sockets Hirschmann Press Power GND
85. ried out by cable groom ing in pipes hoses ducts etc Cable grooming for one meter in one protective hous ing is permitted cable grooming of two and more meters should be provided in the protective hous ings separated from each other on a distance not less than 5 cm for prevention of mutual electromagnetic inductions after cable grooming it is necessary to make their connection to meter components considering marks of cables WARNING Grooming of connecting cables near power supply lines or in their power lines protective housings is forbidden e Ifthe meter has 24 or 36 V power supply then arrangement of the calculator should exclude an opportunity of accidental device connection to 220V power supply 9 5 8 Cable connection to the calculator and to all sensors should be carried out as follows define switch positions on connectors accurately without appreciable effort plug connectors Mutual rotation is not per mitted a sleeve nut should be twisted at the end While connecting sensors to jacks it is necessary to strictly follow the marks on device cable and flow sensor cable outputs 37 Table 9 4 Compliance of marking on communication lines with marking on connected to them flow sensor cable outlets for meters with single beam FS Marki Marking on flow sensor cable outlets Cable function aring on main duplicate and their arrangement relative to flow For modification M1 For modification M2
86. rnal Displaying of hourly daily error archives with error codes 2 2 4 Serial number Indication of calculating unit number given by the manufac turer configuration and the program version for the meter FS parameters Indication of diameter values conversion ratios and dis tances between transmitters of FS1 and FS2 resulted in Chapter 17 of OM 2 2 5 2 2 6 RTD parameters Indication of temperature coefficients of NSC RTD coeffi cients Kdll Krc1 Kdl2 Krc2 Kdl3 Krc3 Kdl4 Krc4 set by the manufacturer see Chapter 17 of OM 21 Entry counter Indication of number of entries in modes Setup and Veri fication 2 2 8 Setting Step adjustment of picture contrast on the calculator indicator and a bitrate for RS 232 is carried out 20 Cold water pa Indication of temperature and pressure in cold water supply 2 rameters pipeline configurations 4 7 9 Findicated only for proper meter configuration Storage of the archival information begins after reset of integral parameters during me ter startup Hourly archive history is 70 days daily archive history is 1 year It means that the archive contains stored data for last 70 365 days preceding a current hour All users actions carried out in modes Setup and Verification are registered in the event journal They can affect the measuring result Calculator carries out automatic switch to summer and winter time Automatic switching to summer time c
87. rrors are stored For example the error of one TS can cause some more other errors so only error of TS will be displayed The list of certain faultinesses and methods of their elimination are resulted in table 13 1 Table 13 1 Appearance of faultiness Method of elimination 1 There is no indication on Breakage of a calculator To eliminate a break to plug the display power cable or cable is a cable unplugged 2 The meter does not react The calculator is faulty To repair the calculator on button pressing The notice A repair of the calculator is made by specialized manufacturing division 14 Storing 14 1 Heat meter storing can be made in heated or unheated storehouses Meter life cycle in heated storehouse no more than 10 years in unheated storehouse no more than 5 years 14 2 Storage conditions for meters in heated storehouse ambient temperature can vary from 0 up to 50 C 53 relative air humidity is up to 80 while temperature is 30 C and below without moisture condensation in unheated storehouse ambient temperature can vary from minus 5 C up to 50 C relative air humidity is up to 95 while temperature is 35 C and below without moisture condensation 14 3 At long term storage in unheated storehouse meters should be placed in an addi tional cover from a polyethylene film 15 Transportation 15 1 Meters can be transported by all modes of transport Their packing sh
88. s into service modes and print out of archives Setup Accomplishment of proper operations at heat meter commissioning Verification Performance of proper operations dur ing verification the control of metro logical performance Credit prolonga Input a password for credit prolonga tion tion It is indicated only when mode Credit is active 2 06 MDM REG MDM REG setup The description of modes for built in unit MDM REG you can find in a detached manual 991A10S JO 1nO LA S 8 c uono s uu 195 262 uono s ewo AIU91V 9 g z uonoeg uteis s yun gec uono s Siojowesed Ld yc uoles 91njeaeduie 02 662 uono s SenssaJd cto uolno s 04 Z 195 pec uono s 5 JO 5101 H HE NH A pou JO L 8 Z L8 suonoes S1o eureJed 1 BM 6 cc uono s umes 8 z z uonoes 91unoo Anuz 1212 uono s siojoweied dq lu 9 z c uono s siojowesed Sy 2 uoles Jequinu EH S t UONI9S MeIA zcuonoeg Jeuunof mai 2 c6cUuotnoes paomssed 191u3 piomssed 191u3 UOHE2HMeA piomssed 191u3 dnies piomssed 191u3 Sun G VZ SUIT YOM TEZ uono s QUI J9MOdg L z uonoeg 2 SSEIN Z VZ uonoeg L SSEM EEZ uono s UOIjESIUES IO nu A BG uonoss I S3H WGW 9 z uono s UOHESIJH A 972 uonoes
89. sen confi guration necessity of application of the additional equipment and also parameters of heat consumption object 9 3 1 Basic schemes for meter installation according to their configurations are represented in Appendix B The example for connection of additional equipment to meters of configuration 2 is re sulted in the appendix C Connection of the additional equipment is not obligatory and dis cussed with the consumer 9 3 2 Climatic conditions in a room where meter components are installed should be as follows In a place for FS and RTD installation ambient temperature can vary from 40 C up to 70 C ambient humidity is up to 95 96 while temperature is 35 C In a place for calculator installation ambient temperature can vary from 0 C up to 50 C ambient humidity is up to 80 96 while temperature is 25 C Climatic conditions in a mounting place for the additional equipment should meet the condi tions resulted in the operational documentation for this equipment 9 3 3 External conditions have a great impact It means that the device can be in stalled on the object where interference level has a bad influence on its work Choosing an installation place for the device it is necessary to avoid the vicinity of underground railway pulse interference in a power line nearness of high voltage lines powerful electromotors splashes in a power line and the equipment with big transformers magnetic inductions
90. sensors TS1 TS2 TS3 TS4 TS5 TS6 see the Appendix B and pressure sensors PT1 and PT2 3 To increase or shorten length of cables of ultrasonic flow sensors FIS 4 To apply FS RTD ultrasonic flow sensors FIS and calculators from different deli very sets 5 Cable twisting kinking and sharp bends at connection to FIS is not permitted CAUTION If it was required to make welding during device commissioning the meter should be switched off and device cable should be disconnected from the calculator housing Otherwise the meter can be damaged 38 10 Setting up procedures 10 1 Before powering up the calculator please check up the conformity of a power supply voltage specified on the calculator to a real voltage 10 2 If meters operate together with the external equipment a personal computer a printer they should be connected in accordance with the proper operational instructions 10 3 Connect a power cable to a three pole socket 10 4 For comfortable work with the device after its purchase and before installation and for check of device working capacity together with ultrasonic flow sensors it is neces Sary 1 Assemble a flow meter section with rubber or paronite gasket thickness of 1 2 mm and technological cap at the end face install it vertically fix flow sensors and completely fill FS with water 2 Check up all items in a mode Indication of main parameters check up all items in a mode Check and als
91. systems heat meter configurations 2 5 6 and 8 Heat energy is determined as W Q H H dt 5 1 where Q is heat carrier mass flow rate in supply pipeline kg hour Hi and H are heat carrier specific enthalpies in supply and return pipes of the heat exchange system correspondingly Joule kg t is operating time hour 5 4 2 Open heat supply systems configurations 4 and 7 W Q H dt Q dt Q Haas dt 5 2 where Q4 and Q are heat carrier mass flow rates in supply and return pipelines cor respondingly kg hour Hi H are heat carrier specific enthalpies in supply and return pipelines corres pondingly Joule kg Heo is cold water specific enthalpy In 4 configuration we don t measure cold water temperature but enter it programmati cally this temperature is entered by user Meters of configurations 4 and 7 measure heat carrier flow rate in supply and return pipelines and calculate flow rate difference AGy Meters of configurations 4 and 7 don t measure water leaks water leak is calculated as flow rate difference in supply and return pipelines 5 4 3 Source of heat supply configuration 9 W Qui H H dt Q H H dt 5 9 where Q4 and Qr are heat carrier mass flow rates correspondingly in supply and feeding pipelines kg hour Hi H gt Hg are heat carrier specific enthalpies correspondingly in supply re turn and cold water pipelines Joule kg 5 5
92. ters 8 11 14 and 15 of present Operating manual 16 2 Guarantees are extended on defects of meter components in delivery complete set in case of manufacturing defects defects of materials and componentry 16 3 Guarantees provide replacement of defective details and check of meter working capacity by manufacturer 16 4 Itis necessary to deliver the faulty device to manufacturer for testing and repair 54 16 5 It is not allowed to open the calculating unit to break seals before returning the device to manufacturer 16 6 Guarantees do not provide expenses indemnification for dismantle return and repeated installation of the device and also any secondary losses caused by malfunction 16 7 In case of malfunction identification during a warranty period the consumer should report unsatisfactory condition of the equipment to manufacturer SEMPAL Co LTD 3 Kulibina Str Kyiv Ukraine 03062 Phone Fax 38 044 239 2197 239 2198 16 8 Do not put in claims to a heat meter in following cases installation starting up and adjustment have been carried out by organization with out manufacturer s license on carrying out of such works damage of seals on the calculating unit the expiration of a warranty period violation of service storage and transportation regulations stipulated by the opera tional documentation 16 9 After ending of a warranty period or loss of warranty service right the manufac turer makes
93. the overpressure value which was set during meter start up is used for heat calculation Entered measured pressure values are displayed in records as P1 P2 and Pcold So if the meter doesn t include PT then entered values are recorded If the meter is completed with PT then measured values are recorded For configuration 8 the only measured pressure val ues are recorded In 4 configuration the cold water temperature value entered by user not measured is considered and can be changed independently Thus any change of cold water temperature is fixed in the event journal Entered value of cold water temperature can be changed from 0 up to 25 5 C with 0 1 C resolution If the value 0 0 C was entered the specific enthalpy value is identically equated to 0 Bringing into service meter configurations with the entered cold water temperature it is necessary to consider that the thermal energy measured by a heat meter mismatches thermal energy which has been produced by the heat supplier It is because the entered temperature of cold water is not equal to the valid temperature of cold water which changes in time In this case at settlement with the heat supplier it can be demanded depending on requirements of settlement rules between the supplier and the consumer a corrective action according to applicable normative documents Schemes for sensors connection in different configurations are represented in Appendix B 18 5 4 1 Closed heat supply
94. tion the sign x speci fies number of the channel Here the errors in temperature ratios which are necessary for heat energy calculation are analyzed 52 4 1 x tret gt tsup 2 5 C The temperature of the return pipeline exceeds the temperature of supply one more than on 2 5 C Heat energy calculation is impossi ble If excess is in a range 0 up to 2 5 C a temperature difference is accepted equal to 0 and the error is not registered 4 2 x tcw gt tsup 2 5 C The temperature of cold water exceeds water tempera ture in supply pipeline more than on 2 5 C Heat energy calculation is impossible If excess is in a range 0 up to 2 5 C a temperature difference is accepted equal to 0 and the error is not registered 4 3 x tcw gt tret 2 5 C The temperature of cold water exceeds water tempera ture in return pipeline more than on 2 5 C Heat energy calculation is impossible If excess is in a range 0 up to 2 5 C a temperature difference is accepted equal to 0 and the error is not registered 4 4 x tyws gt tsup 2 5 C The temperature of hot water supply system HWS ex ceeds water temperature in supply pipeline more than on 2 5 C Heat energy calcu lation is impossible If excess is in a range 0 up to 2 5 C a temperature difference is accepted equal to 0 and the error is not registered These errors don t affect flow rate and temperature measurements In hourly and daily archive printouts
95. ure operating time is discontinued and the error message is ap peared see Chapter 13 40 11 The operating procedure 11 1 Requirements to the personnel The maintenance personnel should be acquainted with present OM completely The work with meters is permitted to persons acquainted with safety regulations on electrical fa cilities 11 2 Structure of the menu of control of the meter Control of the meter a readout and specification of operating mode and meter parame ters is carried out by means of proper menu item selection Menu of control of the meter consists of a group of message lines menu items serial ly displayed on the meter indicator Use of the menu switching of items allows to get the information about measured pa rameters of the heat carrier parameters of the meter and also to carry out meter verification and to modify meter parameters by results of its metrological performance control Selection of menu items is carried out by means of pressing buttons on the calculator Sequence of operations to select the certain menu item and to input parameter value or to se lect a parameter from the list is given in the Appendix E All measured quantities meter parameters and commands for meter control are com bined in some sections control modes of the meter Some service modes Setup Verification are protected from non authorized access by the password The meter menu structure is resulted in the table
96. vol tage 36 V or 24 V is not less than 1 mega ohm 8 6 Electric resistance between ground contacts of a three polar plug of power cable and metal parts of the calculator case is no more than 0 1 Ohm Electric resistance between ground contacts of three polar sockets of device enclosure and its case should be no more than 0 1 Ohm 24 8 7 Working with meters it is necessary to observe operating safety precaution rules for work with electrical facilities Warning Using the transformer as the meter power supply with a power supply vol tage 36 V or 24 V input and output transformer windings should be galvanically separated and a double or strengthened isolation should be provided between them 25 9 Installation 9 1 Unpacking and degreasing Unpacking and degreasing of meters are carried out after their being indoors within 2 hours while ambient temperature varies from 10 up to 30 C and relative humidity is no more than 80 To make unpacking please follow the instructions open packing boxes take a package with the calculator and operational documentation check up completeness of meters in accordance with the order see Chapter 17 take meter components from packing boxes make an external survey and be con vinced of absence of mechanical damages coating infringements and isolation of connecting cables 9 2 Installation Requirements 9 3 Installation of meter components is carried out in accordance with cho

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