User manual
Contents
1. MANIPULATION DETECTION e idein es aora aen en e kann FEX E TERRE REEL FERE SR RERO EFE GE NN EU RRE PEE SUN UE YS 7 9 TECHNICAL DATA M 7 10 INTERFACES AND OPTIONS 5 trennen e 0000280000280 pid pa Rn pA yy yk Ra ER E SER ARR RN REOR EE SES teases cessseasensssazeessssccuenss 8 10 1 Optical infrared interface iio tacones 8 10 2 Radio interface wireless M Bus OptiOnal ccccscccccssssecesssssececsesseceessssececsessececsesaececseaaececsesaeeecseaaeeeesesueeeeesaas 8 10 2 1 Technical data radio trinitate rdi RE ein e 8 10 22 Radio configuration ud 8 10 2 3 cd O 9 ME ILidPiccem 9 11 1 LG to lY eg ui ini NC CHAR A CY EF RC EN HYR RI RF RC A AN RR SR FYTH 10 12 DECLARATION OF CONFORWMITY 2 5036236 ia ono ea nas sa E aL oaa ea na RE sk Re a p Ran n ARR SR EORR nenn REN erden SEMEN uRRRRROPRARIERRT 10 13 MANUFACTURER 5 3 eru noeaoo daana ena Ro e2 sa oan ra noy XR EE EE SEEE E d aane laada Raba KR ORIS RESERRRRRERNED NSEEEYNaaRRENEEIRRINEES 10 WA CONTACT A 10 d maddalena www maddalena it 1 APPLICATION AND FUNCTION This heat cost allocator is designed for the measurement of the consumed thermal energy on radiators and pipes in a heating system 2 CONTENTS OF PACKAGE _ 40 electronic heat cost allocators package with 40 seals 1 mounting manual The h2. correct function The hints 128 and 64 are not displayed however all three hints 4 64 128 can be read out together with the current measuring values and are integrated in the radio telegram Another exception is the hint H 08 It is displayed as OPEN C Devices with the hints H 32 H 16 and H 01 these hints are permanently shown in the display must be changed at once and sent to the supplier for an inspection At the hint s first appearance date and time will be recorded in addition This is shown in the radio as well as in the IR telegram If the same hint occurs again the date will not be changed So you will be able to comprehend when a hint occured for the first time If a new hint occurs the date will be updated d maddalena www maddalena it When the hints lifetime 10 years 11 years and remote sensor is mounted are logged the date will not be recorded 11 1 Hint description Hint Effect Possible cause Memory error during access to database an error occured No calculations are carried out The register for consumption is not being updated Defective component Unexpected reset by POR RAM parity access violation No influence to the calculation The measurements since the last storage of data in the E PROM are lost max one hour Lifetime 10 years 11 years No influence to the calculation Long operating time A
3. removal of the GRADUS from the heat conductor was detected No influence to the calculation A removal of the GRADUS from the heat conductor Break of one of the measuring sensors No calculations are carried out The register for consumption is not being updated A defect on the calculator circuit board Short circuit of one of the measuring sensors No calculations are carried out The register for consumption is not being updated A defect on the calculator circuit board Reset by watch dog timer No influence to the calculation The measurements since the last storage of data in the EPROM are lost max one hour Remote sensor is mounted No influence to the calculation Remote sensor was mounted 12 DECLARATION OF CONFORMITY For the product described in this document we confirm as the manufacturer that it meets the fundamental reguirements according to the Directive 1999 5 EC R amp TTE The complete signed declaration can be found at www engelmann de 13 MANUFACTURER Engelmann Sensor GmbH Rudolf Diesel Str 24 28 69168 Wiesloch Baiertal Germany 14 CONTACT Maddalena S p A Via G B Maddalena 2 4 33040 Povoletto UD Italy Tel 39 0432 634811 Fax 39 0432 634820 www maddalena it 10
4. waiting period appears OPEN please see also 8 B OPEN Ifthe GRADUS is opened outside the mounting time frame waiting period appears OPEN C C Contact in the display cycle Here it is assumed that there is a manipulation of the GRADUS please see also 8 OPEN C Ifa reset of the manipulation detection OPEN C is performed the display shows STBY please see also 8 S T By 6 CONSUMPTION CALCULATION Due to the radiator exponent is part of the calculation algorithm and thus a basis for calculating of the counting process of the GRADUS the following formula is used to calculate the consumption value consumption value display value Kc KQ 7 DETECTION OF ACCUMULATED HEAT The detection of accumulated heat is carried out by the internal calculation algorithm Here are several averages of detected temperature values calculated permanently When these average values falls below a certain threshold the algorithm detects the heat accumulation and changes in the internal 1 sensor operation mode 1F HEAt If the threshold is exceeded again it takes up to 6 hours to change back into the standard 2 sensor mode and the heat accumulation signaling is terminated The change in the 1 sensor heat accumulation mode does not affect the functionality of your GRADUS due to the fact that this behavior is part of the internal calculation algorithm and thus to the approval of the GRADUS D maddalena www ma
5. OPEN C can be reset The display briefly shows STBY then CONFIG CONF FF appears and the device continue with recording data by displaying standard display cycle If the reset is performed on the removed GRADUS the STBY appears on the display and will persist until the re install of the device After re install the display briefly shows CONFIG CONF FF and the device continue with recording data by displaying standard display cycle 9 TECHNICAL DATA Standard and approval EN 834 2013 A1 01 2013 approved to German HKVO Dimensions height 95 mm width 38 mm depth 30 mm Ambient temperature 25 C 60 C Temperature range Medium 35 C 95 C 2 sensor mode Temperature range Medium 55 C 95 C 1 sensor mode Temperature range Medium 35 C 105 C remote sensor mode Start of enumerating at 3K temperature difference Protection class IP41 mounted Power supply 3 V lithium battery D maddalena www maddalena i Battery lifetime estimated 11 years 1 year storage Data storage 132 monthly values and 132 semi monthly values Display 7 digits special characters Interfaces Standard infrared Optional wireless M Bus Remote temperature sensor Sensor type NTC preaged Length of cable 2m Dimensions of cover height 26 mm width 12 mm depth 10 mm 10 INTERFACES AND OPTIONS 10 1 Optical infrared interf
6. ace For the communication with the optical interface an optocoupler and the Device Monitor is necessary The optocoupler and the Device Monitor software are available as accessory equipment Baud rate 2400 baud 10 2 Radio interface wireless M Bus optional The radio interface is for the transmission of meter data absolute values General information about the radio interface During installation of radio components the presence of bulky obstacles directly over or in front of the housing must be avoided The transmission quality range telegram processing of radio components can be negatively influenced by instruments or equipment with electromagnetic emissions such as telephones particularly LTE mobile radio standard wi fi routers baby monitors remote control units electric motors etc In addition the construction of the building has a strong influence on the transmission range and coverage The factory setting of the clock in the heat cost allocator is standard winter Central European Time GMT 1 There is no automatic changeover to daylight savings summer time The radio function is deactivated upon delivery factory setting See section Activation of the radio interface 10 2 1 Technical data radio Frequency 868 MHz Transmission power up to 12 dBm Protocol wireless M Bus based on EN 13757 3 Selectable modes S1 T1 C1 Telegrams short telegram AMR in conformity to OMS Spec Vo
7. d maddalena www maddalena it Electronic Heat Cost Allocator GRADUS User Manual Rev 1 02 15 d maddalena www maddalena it Table of Contents 1 APPLICATION AND FUNCTION 5655555 02356 Enea 0444020020000 0001 EY as na 29 aa Cd EY ar Ra ERE Fave y UE ET saini Arae ENEs PERRA Ru RV EV RRRR US 3 2 CONTENTS OF PACKAGE 5 5 5 1 0 32 00 Civ ee ti Er ea ndo Irsa ao KSE usan 03 ER ONLY REIR ANNA ER DI OND YA SANUS ER UY e EUD ERES EN di Er da BANAD PART 3 3 GENERAL INFORMATION 22 32 25 seo y inicia GSG RT REIR eXUS Ern eb vi ERAS VN UP NUS e cda NA zin do CON CET evanuecesauabesabbacence RUN DN Ehre 3 4 GENERAL MOUNTING INFORMATION esee ee eene nn nnns nnns a usto tese ss sanas u s sott DN EEDD DDENODD DDU neun 3 5 DISPLAY 7 DISPLAY CYCLE sisi sccsesiscsscesscececesvcses Yd YND DASG EXEREE ES FERE EEXEVEEFEX REM DON NOU EE KUEBEEESUFEREFR w avbcbanesvessaceavaenete 4 5 1 Display before and during installation leise enne ennemis nnne nnne nn sanas risen nenas i nana nn 4 5 2 Default display of GRADUS after installation eene iine nnn entia LI I a E Eas 5 5 3 Further status displays cccccsssscccccecessesssaeceseceseesenaeeeseceseesesaeaeeeeecesseseaaeaeeeeeceseeseaaeseeeescsususaaaeseeeeseessesaaeeeeess 5 6 CONSUMPTION CALCULATION 2 55 5 65 ee ae daYa wn in n BER Den ENA wa ne HEN NER ER ra pa oa HERR 6 7 DETECTION OF ACCUMULATED HEAT 2s ono 50er e bp een 6 8 PLUG ON
8. ddalena i 8 PLUG ON MANIPULATION DETECTION Plug on detection The GRADUS has a plug on detection After plug on to the heat conductor the EHKV changes to the operating mode the radio transmission optional start automatically Manipulation detection The GRADUS is equipped with a manipulation detection If the plug on manipulation switch is for 5 seconds in the mounted position the event plug on is triggered and configuration starts see also 5 1 If the GRADUS is removed within 1 hour after its initial installation on the heat conductor the display shows OPEN By re install the device within this mounting time frame then CONFIG CON FF appears again on the display and the standard display cycle continues Repeated removing and re installing can be done within the mounting time frame several times but the mounting time frame is not extended Only at the end of the mounting time frame for installation waiting period the measurement function of GRADUS is enabled If the GRADUS is removed after the end of the mounting time frame for installation from the heat conductors or fitted again after the end of the mounting time frame the display shows OPEN C in the display cycle Here manipulation is suspected The OPEN C hint persists after re install the GRADUS and will appear in the display cycle By using the Device Monitor software register parameterization reset removal detection the hint
9. eat conductors have to be ordered separately A package of heat conductors contains 40 pieces Article codes mounting accessories and additional equipment you can find in the mounting instructions and the prices list 3 GENERAL INFORMATION The technical regulations of EN 834 must be observed This product fulfils the requirements of the European Council Directive on Electromagnetic Compatibility EMC Directive 2004 108 EC Al information and requirements of the mounting manual user manual and mounting instructions must be observed Ifthe information and requirements in the mounting manual user manual and mounting are not strictly followed or if the installation is shown to be faulty any resulting expenses will be charged to the company responsible for the installation JAll specifications and instructions listed on the data sheet and in the Application Notes must be adhered to Within a billing project it is not permitted to use different types of heat cost allocators nstruments with activated radio function are not allowed on air freight The temperature sensor cables must not be kinked rolled up lengthened or shortened Toclean the heat cost allocator use a slightly moist cloth To protect against damage and dirt the heat meter should only be removed from the packaging directly before installation nstruments which have been replaced or exchanged must be disposed of according to relevant environmental
10. illing relevant data 0000000 3 Billing date consumption R 62 7 4 Checksum for billing date consumption C checksum gt O N N O al 9888888 Ui Segment test see also Fig 3 It should be noted that some of the standard 7 segments elements have been expanded by including more segments to increase the readability of the status indicators These are visible in the segment test and are shown SESSSEBE Figure 3 segment test enlarged view 5 3 Further status displays The following status displays are shown for information purposes in addition to the standard display cycle when parameterized or a mode changes is initiated by internal algorithm 1 sensor mode mode is selected Product scale is selected The entered radiator output in watts is displayed e g 750 W P 75 0 The check sum for the current consumption has been selected These appear on the display loop directly after the current consumption JD maddalena www maddalena it 42039 Ifthe algorithm in the standard 2 sensor operation mode detects accumulated heat the device switches to 1 sensor mode This is displayed as 1F HEAt please see also 7 Detection of accumulated heat R 1 F HE At f the GRADUS is in storage mode and the ambient temperature drops below 0 C then COLd is displayed COL d Ifthe GRADUS is opened after mounting on the radiator but within the mounting time frame
11. l2 Primary v301 serial number date time current consumption due date due date value hint flag time of hint flag long telegram for walk by read out serial number date time current consumption due date due date value 15 monthly values 15 half monthly values hint flag time of hint flag Encryption AES Advanced Encryption Standard key length 128 bits 10 2 2 Radio configuration Parameter Possible settings Factory setting Battery lifetime estimated 11 years 1 Mode S1 T1 C1 unidirectional T1 unidirectional Transmission period 00 00 24 00 any time period in the day 7 00 am 7 00 pm D maddalena www maddalena i Transmission interval 120 seconds 240 minutes 120 seconds Weekdays Monday Sunday any weekday Monday Friday Weeks in a month 1 4 1 4 4 uninterrupted incl a possible 5 4 uninterrupted incl a possible 5 week week Months 1 12 1 12 Radio activation date annual variable except 29 02 not set AES 128 Encryption encrypted Master Key not activated Master Key random key per instrument activated not activated Type of telegram _ short telegram AMR OMS Long telegram walk by Spec Vol2 Primary v301 long telegram walk by 10 2 3 Activation of the radio interface The radio interface leaves the factory deactivated After putting the heat cost allocator on the heat conductor the radio interface
12. nt of the GRADUS to the aluminum conductor the configuration starts O ifacompact device is mounted appears for about 3 seconds CONFIG fig 1 B o faremote sensor is installed appears for about 3 seconds CONF FF fig 1 C Then the display cycle starts Ifa start date for the start of counting is programmed in GRADUS then GO dd mm e g GO 01 09 appears on the display and remains until reaching the starting month fig 1 D After the completion of the internal configuration or upon reaching the preset starting month the display cycle starts 5 2 und 5 3 Make sure that the GRADUS is permanently attached to the required mounting location Make sure that the EHKV is sealed manipulation fig 1 A D Displayed status information before and during installation SL E E P A Sleep mode display flashing interval 1 sec B Configuration display compact device CONFIG approx 3 sec C Configuration display when remote sensor is C ONF FF connected approx 3 sec D If programmed starting month of recording GO 0 1 09 data e g 01 09 gt first of September Displayed until starting month is reached d maddalena www maddalena it 5 2 Default display of GRADUS after installation The following image shows the default display cycle of Engelmann factory setting Figure 2 Display cycle factory setting Current consumption R radio version 0000000 r UJ Billing date AN annual B B
13. regulations Itis important to note that the acknowledged state of the art technology rules and the relevant legal restraints international and local see Relevant Norms Standards Literature are to be observed The installation has to be performed by authorized skilled persons The heat cost allocator left the factory in conformance with all applicable safety regulations All maintenance and repair work is to be carried out only by gualified and authorized technical personnel Further information can be obtained at www engelmann de 4 GENERAL MOUNTING INFORMATION JAll information and requirements of the mounting manual and mounting instructions must be observed The different types of installation and the mounting accessories to be used in each case are listed in the mounting instructions After installation of the heat conductor mount the heat cost allocator nsert the seal into the opening on the underside The heat cost allocator starts the operation mode automatically plug on detection JD maddalena www maddalena it 5 DisPLAY DISPLAY CYCLE The heat cost allocator has a liquid crystal display with 7 digits and special characters After the installation the values are shown in a permanent display cycle 5 1 Display before and during installation When delivered the GRADUS is in Sleep mode This is indicated in the display with the flashing SLEEP fig 1 A Shortly after the placeme
14. will be activated automatically When the radio interface is activated an R is shown permanently left below in the LCD If using the compact mode for one hour after activation the heat cost allocator transmits in installation mode This means that format telegrams and compact telegrams are sent alternately 11 HINT FLAGS The GRADUS recognizes two sorts of display modes for hints the integrated hint mode and the separate hint mode In the integrated hint mode the hints are added to the display loop as supplementary indicators Concerning the separate hint mode the display switches from the operating mode into this hint mode and the appendant hints are shown permanently in the display The hints are shown generally with an H put in front and the hint code for example H 02 The device recognizes eight hint causes possible that can also occur in combination with each other Hint Description H01 Memory error during access to database an error occurred H 02 Unexpected reset by POR RAM parity access violation H 04 Lifetime gt 10 years gt 11 years H 08 OPEN C A removal of the GRADUS from the heat conductor was detected H 16 Break of one of the measuring sensors H 32 Short circuit of one of the measuring sensors H 64 Reset by watch dog timer H 128 Remote sensor is mounted The hints 128 64 and 4 are an exception These three hints have no influence to the device s
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