Kamstrup MULTICAL 403 Technical Description
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Kamstrup MULTICAL 403 Technical Description

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Technical description
MULTICAL® 403
Kamstrup A/S · Industrivej 28, Stilling · DK-8660 Skanderborg · T: +45 89 93 10 00 · info@kamstrup.com · kamstrup.com

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Summary of Contents for Kamstrup MULTICAL 403

  • Page 1 Technical description MULTICAL® 403 Kamstrup A/S · Industrivej 28, Stilling · DK-8660 Skanderborg · T: +45 89 93 10 00 · info@kamstrup.com · kamstrup.com...
  • Page 2 Maximum permissible error Power and flow in connection with tariff Glass fibre reinforcement Kamstrup Meter Protocol Coefficient of Performance (COP) Less than an hour/day and less than 200 hours/year Only available in meter type 6 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 3: Table Of Contents

    Serial number and extended availability ......................44 Target date ..............................45 Installation ............................46 Installation requirements ..........................46 Inlet prerequisites ............................47 Orientation of Kamstrup’s flow sensors ......................48 4.3.1 General recommendations ........................48 4.3.2 Recommendations for heat applications ....................49 4.3.3...
  • Page 4 Information code types ........................... 92 7.7.2 Examples of information codes ....................... 93 7.7.3 Information codes in display and in serial communication ..............94 7.7.4 Information codes in transport state ...................... 95 Transport state .............................. 95 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 5 10.13 Data-backup in case of interruption of supply ..................... 117 Communication modules ....................... 118 11.1 Marking on communication modules ......................119 11.2 Modules ............................... 120 11.2.1 HC-003-10: Data Pulse, inputs (In-A, In-B) ..................... 120 11.2.2 HC-003-11: Data Pulse, outputs (Out-C, Out-D)..................120 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 6 Meter cycle ..............................131 13.2 Test ................................132 13.2.1 Test of flow sensor ..........................132 13.2.2 Test of calculator ........................... 132 13.3 High-resolution volume and energy ......................133 13.4 Temperature calibration ..........................133 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 7 14.6 LogView HCW ............................... 139 14.6.1 Application ............................. 140 Approvals ............................141 15.1 Type approvals ............................. 141 15.2 The Measuring Instruments Directive ......................141 Troubleshooting ..........................142 Disposal ............................143 Documents ............................ 144 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 8: General Description

    Pt500 sensor set, e.g. direct short sensors according to EN 1434-2, but also ø5,0 mm, ø5,2 mm, ø5.8 mm and ø6.0 mm pocket sensors are available. Kamstrup sensor pockets are available for all sizes of pocket sensors, and all sizes can be mounted as direct sensors in the flow sensor, except ø5,8 mm and ø6,0 mm.

  • Page 9: Mechanical Construction

    Connection for temperature sensors Verification cover Bottom cover (may only be opened by an authorised laboratory) Either a power supply module can be mounted Flow sensor (IP68) or a battery can be mounted Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 10: Electronic Structure

    15 … and even more communication options Linear power supply, 24 VAC or 230 VAC. 16 Galvanically separated power supplies Pulse inputs 17 Galvanically separated communication modules Wireless M-Bus Note: The arrows in the figure indicate the signal direction Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 11: Technical Data

    MID designation Mechanical environment: Class M1 and M2 Electromagnetic environment: Class E1 and E2 Condensing environment, closed location (indoors), 5…55 °C From 2023, MULTICAL® 403 can be marked both as E1 or E2 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 12 G5/4B 403-x-G0 100:1 0,06 DN25 403-x-G2 250:1 0,06 DN25 403-x-H0 100:1 0,06 403-x-H2 250:1 0,06 403-x-J0 100:1 0,06 DN40 403-x-J2 250:1 0,06 DN40 403-x-K0 100:1 0,14 DN50 403-x-K2 250:1 0,14 DN50 Table 1 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 13: Electrical Data

    For especially current-demanding applications, such as battery operation of an NB-IoT module. This battery package includes a lithium C-cell as well as a special capacitor that helps the battery to deliver high pulse currents. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 14 1…48 VDC/AC Current < 10 mA < 50 mA Residual voltage ≈ 1 V at 10 mA ≤ 40 Ω Electrical isolation 2 kV 2 kV Max. cable length 25 m 25 m Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 15: Mechanical Data

    Top/wall bracket Thermoplastic, PC 20 % GF Calculator case Top and base Thermoplastic, PC 10 % GF with TPE (thermoplastic elastomer) Verification cover Thermoplastic, PC 10 % GF Cables Silicone cable with inner Teflon insulation Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 16: Accuracy

    MULTICAL 403 q 1,5 m³/h @∆Θ 30K ® Ec+Et+Ef (EN) Ec+Et+Ef (Typ) 0,01 0,10 1,00 10,00 -2,0 -4,0 -6,0 q [m³/h] Diagram 1: Total typical accuracy of MULTICAL® 403 compared to EN 1434-1. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 17: Type Overview

    The unique serial number is written on the meter and cannot be changed after factory programming. Data: During production of MULTICAL® 403 it is programmed with a number of measuring values. See section 3.3 for more details about these measuring values. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 18: Type Number

    Modbus/KMP TCP/IP, inputs (In-A, In-B) READy Ethernet, input (In-A, In-B) * In some countries bi-functional meters type 3 and 6 are only allowed to be assigned with the MID marking, due to national law. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 19: Accessories

    MULTICAL® 403 The flow sensors are type approved for dynamic ranges q = 250:1 and 100:1, but basically 100:1 is supplied. Please contact Kamstrup A/S for information on the availability of the above MULTICAL® 403 variants on the individual markets. 3.1.1...
  • Page 20 R¾ nipple for direct short sensor 6556-547 R½ x 65 mm sensor pocket, ø5,8 mm 6557-440 R½ x 90 mm sensor pocket, ø5,8 mm 6557-441 R½ x 140 mm sensor pocket, ø5,8 mm 6557-442 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 21 Safety transformer Article number Description 6699-403 230/24 VAC safety transformer 5 VA 6699-404 230/24 VAC safety transformer 10 VA 6699-405 230/12/24 VAC safety transformer 63 VA Contact Kamstrup A/S for questions about further accessories. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 22: Configuration Numbers

    Controlled output Data logger profile (See paragraph 3.2.10) Encryption level Common key Individual key Customer label (See paragraph 3.2.12) XXXX For more data logger profiles, see document "Logger profiles and datagrams" at: www.kamstrup.com/en-en/product-centre Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 23: Flow Sensor Position >A

    Standard CCC-codes with 7 digits  7 digits CCC-table for MULTICAL 403 (standard) Number of decimals in display m³ m³/h Type CCC No. (m³/h) 403-xXXxxx-xxxxx 1x-3x 4x-5x-7x-8x-9x Ax-Bx Fx-Gx Hx-Jx Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 24 CCC code in MULTICAL® to a variant with another number of digits but of the same flow meter size. To change the CCC code, an optical read-out head and METERTOOL are used. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 25: Display Code >Ddd

    The meter’s legal readings, e.g. energy and volume reading, are basically displayed as 7-digit values. The display readings can be configured to 8-digit values via the CCC-code. Please contact Kamstrup for further details. The first digit of the three-digit DDD-code define the meter type comprised by the DDD-code in question. The table shows examples of a number of DDD-codes within each meter type.
  • Page 26 Input A 10.1 Meter no. of Input A 10.2 L/imp. of input A 10.3 Date for yearly logger 10.4 Data for yearly logger 10.5 Date for monthly logger 10.6 Data for monthly logger Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 27 Inputs A and B are currently updated in the display of MULTICAL® 403, i.e. the display of the connected water or electricity meter will be in accordance with the display of MULTICAL® 403 without delay. The unit of this reading is fixed at kW. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 28: Tariffs >Ee

    IMPORTANT: Out of consideration for backwards compatibility tariff register TA4 can be deactivated. Thus, the meter uses TA2 and TA3 only, and the tariff function works as in the previous model, MULTICAL® 402. TA4 is deactivated by setting the tariff limit TL4 at 0. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 29 The power controlled tariff is e.g. used as a basis for the individual heat consumer’s connection fee. Furthermore, this tariff type can provide valuable statistical data if the heating station considers new construction activities. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 30 Setting up tariff limits, TL3 must be lower than TL2 and TL4 must be lower than TL3. The t1-t2 tariff can be used as a basis for weighted user charge. Low ∆Θ (small difference between inlet and outlet temperatures) is uneconomical for the heat supplier. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 31 Setting up data, TL3 must be higher than TL2 and TL4 must be higher than TL3. The outlet temperature tariff can be used as a basis for weighted user charge. A high outlet temperature indicates insufficient heat utilization which is uneconomical for the heat supplier. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 32 Accumulation in TA2, TA3 and main register The PQ tariff can e.g. be used for customers who pay a fixed charge based on max. power and max. flow. (TL4 and TA4 are not used in this tariff type). Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 33: Pulse Inputs A And B >Ff-Gg

    A (like in MC402). Please contact Kamstrup A/S should you need leakage alarm possibility on input B. Read more about cold water leakage in paragraph 3.2.8 and more about info codes in paragraph 7.7.
  • Page 34 EL A/EL b (MWh) 00000.00 Inputs for external alarm: External alarm input; Alarm=LO (normally open) External alarm input; Alarm=HI (normally closed) Note: Pre-counter is the needed number of pulses to increment the display. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 35 Input B Meter count Meter count Meter No. A Meter No. B L/imp. of A Wh/imp. of B Yearly date Yearly date Yearly data Yearly data Monthly date Monthly date Monthly data Monthly data Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 36: Integration Mode >L

    In fast mode the integration interval is set at 4 seconds, which means that the meter calculates accumulated volume and energy every 4 seconds. Fast mode is recommended for all systems including those with tap water exchanger. Fast mode (4 s) meets the requirements for "Fast response meter" in EN 1434. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 37: Cold Water Leakage >N

    7, 8 The resolutions of pulse outputs always follow the least significant digit in the display, which is determined by the CCC-code (see paragraph 3.2.3) e.g. at CCC=419: 1 pulse/kWh and 1 pulse/0,01 m Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 38 The pulse outputs are placed on the module with the following connection terminal numbering: Opto FET Pulse output C: Terminals 16-17 Pulse output D: Terminals 18-19 Note. For specifications on previous versions of pulse outputs, see "Electrical Data" in section 2.2. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 39: Data Logger Profile >Rr

    The table on the next page shows an example of a logging profile (RR code = 30), which is based on but not identical to the logger in MULTICAL® 602. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 40 (2 decimals) Current value for t2 t1_t2 diff. temp. (2 dec.) Current differential value Flow V1 actual Current water flow for V1 Power E1/E3 actual Current power COP year Coefficient Of Performance, year Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 41: Encryption Level >T

    If you choose common encryption key (T-code 2) the key can be used for reading a customer specific number of meters. The key is created by Kamstrup A/S. A customer can have several encryption keys, e.g. one for each meter type.

  • Page 42: Data

    Depends on country code Primary address for M-Bus Address 0-250 Last 2-3 digits of customer Modbus and BACnet (depending on module) number M-Bus ID-No. Customer no. (used for secondary address) wM-Bus ID-no. Serial number Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 43 At submission of order you can choose ”fixed M-Bus address” which means that all meters included in the order will be configured with the same primary M-Bus address. is the resistance value of the sensor element in ohm (Ω) at 0 °C. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 44: Serial Number And Extended Availability

    “My Kamstrup” where the customer can create a user profile without contacting Kamstrup A/S. Next, the customer enters the meter’s serial number as well as the two digits (device code) for extended availability and downloads the encryption key. The two digits have been introduced in order to provide a secure method for customers who buy Kamstrup meters from a wholesaler to obtain the necessary encryption keys.

  • Page 45: Target Date

    METERTOOL HCW (5512-2097), respectively. If the target date is required to be set to the last day of the month, the monthly target date [DD] is set to 31. MULTICAL® 403 automatically logs on the last day of months with less than 31 days. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 46: Installation

    New fibre gaskets in original quality must be used. If other couplings than the original ones from Kamstrup A/S are used you must make sure that the threaded lengths of the couplings do not prevent proper tightening of the sealing surface.

  • Page 47: Inlet Prerequisites

    MULTICAL® 403 4.2 Inlet prerequisites Kamstrup’s flow sensors require neither straight inlet nor straight outlet to meet the Measuring Instruments Directive (MID) 2014/32/EU, OIML R75:2002 and EN 1434:2015. A straight inlet section will only be necessary in case of heavy flow disturbances before the meter. It is recommended to follow the guidelines in CEN CR 13582, Heat meter installation.

  • Page 48: Orientation Of Kamstrup's Flow Sensors

    Figure 3. Separate mounting of Kamstrup flow sensors. Vertically, horizontally or at an angle. At horizontal mounting, Kamstrup’s flow sensors can be turned around the pipe axis. Acceptable angles of rotation for the various types of Kamstrup flow sensors can be seen Figure 4 and Figure 5.

  • Page 49: Recommendations For Heat Applications

    ≤ 2,5 m Threaded meter housing with q ≥ 3,5 m and flange meters Figure 4. Acceptable orientation of Kamstrup flow sensors around the pipe axis for heating applications at horizontal mounting. Threaded meter housings with q ≤ 2,5 m Threaded meter housings with q ≥...

  • Page 50: Recommendations For Cooling And Combined Heat/Cooling Applications

    Threaded meter housing with q ≥ 3,5 m and flange meters Figure 5. Recommended orientation of Kamstrup flow sensors around the pipe axis at horizontal mounting for cooling and combined heat/cooling applications. Threaded meter housings with q ≤ 2,5 m Threaded meter housings with q ≥...

  • Page 51: Recommendations For Directly Mounted Temperature Sensors

    The blind plug delivered mounted in the MULTICAL  403 flow sensor and the direct short sensor from Kamstrup A/S may be used in connection with both PN16 and PN25. Any supplied extensions and couplings can be used for both PN16 and PN25.

  • Page 52: Mounting Of Multical® 403 Calculator

    4.4.3 Position of calculator If the flow sensor is installed in humid or condensing environment, the calculator must be wall mounted and positioned higher than the flow sensor. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 53: Operating Pressure Of Multical® 403

    Dimensioning a flow sensor you must take the above into account, especially if the sensor is used in the area between q and q described in EN 1434 , and in case of heavy contractions of the pipe. Steam pressure [°C] Diagram 2. Steam pressure as a function of temperature Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 54: Mounting In Inlet Or Outlet

    5…55 °C, however max. 30 °C in order to obtain optimal battery lifetime. Protection class IP54 of calculator allows splashes of water, but the calculator must not be submerged. The protection class of the flow sensor is IP68, which means that it stands submergence. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 55: Sealing

    The pressure loss in a sensor increases with the square of the flow and can be stated as: × ∆ where: Q = volume flow rate [m³/h] kv = volume flow rate at 1 bar pressure loss [m³/h] ∆p = pressure loss [bar] Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 56 0,09 8,15 DN25 0,07 13,42 DN25 0,06 24,5 12,3 DN40 0,06 40,83 20,4 DN50 0,14 40,09 20,1 Table 3: Pressure loss table Δp MULTICAL ® 0,01 Flow [m³/h] Diagram 3: Pressure loss graphs Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 57: Dimensioned Sketches

    MULTICAL® 403 5 Dimensioned sketches Note: All measurements in [mm] Figure 7: Mechanical measurements of calculator Figure 8: Wall bracket Figure 9: Mounted with wall bracket Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 58 Figure 10: Flow sensor with G¾ and G1 thread connection Thread EN ISO 228-1 Approx. Nominal flow Thread weight [kg] 0,6 + 1,5 G¾ G¾ 0,6 + 1,5 Weight of calculator, flow sensor and 3 m sensor set excl. packing Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 59 Flange facing type B, raised face in accordance with EN 1092-1, PN25 Approx. Nominal flow Nom. Bolts weight diameter Number Thread [kg] DN25 DN40 DN50 Weight of calculator, flow sensor and 3 m sensor set excl. packing Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 60: Display

    ”SETUP loop” and see paragraph 7.8 for details on the meter’s transport state. • ”TEST loop” Used by authorized laboratories for reverification of the meter. This loop is not available unless the meter’s test seal (verification seal) is broken. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 61 The meter registers these errors and sets an info code, which can easily be read from the meter’s display. Read more about the meter's info codes in paragraph 7.7. Temperature sensor t2 error Flow sensor error Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 62 No counting No counting No counting No counting No counting No counting No counting No counting No counting No counting No counting No counting No counting No counting No counting No counting No counting Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 63 The accumulated energy registers, E1 and E3, are both always displayed as positive values. Differential temperature and power are either displayed as positive (heat) or negative (cooling) when reading the values on MULTICAL® 302, 303, 403, 603 and 803. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 64: User Loop

    Data of monthly logger 2-001-04 Cooling energy (E3) 2-002-00 Date of yearly logger 2-002-01 Log 01-02 Data of yearly logger 2-002-02 Date of monthly logger 2-002-03 Log 01-12 Data of monthly logger 2-002-04 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 65 Date of max. this month 2-008-03 Data of max. this month 2-008-04 Date of min. this year 2-008-05 Data of min. this year 2-008-06 Date of min. this month 2-008-07 Data of min. this month 2-008-08 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 66 Data of monthly logger 2-011-06 2-012-00 12.1 2-012-01 2-013-00 13.1 2-013-01 2-014-00 14.1 2-014-01 A1 ( A-, Heat discount) 2-015-00 15.1 A2 ( A+, Heat addition) 2-015-01 15.2 t5 (Outlet temperature reference) 2-015-02 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 67 Software check sum 2-018-15 No 11 18.16 Averaging period of min./max. P and Q 2-018-16 18.17 θ 2-018-17 18.18 Temperature sensor offset 2-018-18 18.19 Temperature cutoff (ΔΘ) 2-018-19 8 18.20 Segment test 2-018-20 9 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 68: Module Readings

    ”Type-Config number” (index number 2-101-00). If the meter is not fitted with a module ”Type-Config number” is displayed as ”0000000”. Note: The module readings can be empty due to delay or interrupted communication between meter and module. Heart beat indication shows that both meter and display are active Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 69 2-101-xx M-Bus enhanced 2-101-xx secondary ID These readings depend on the module and are thus not fixed readings. The order of the readings can vary, therefore, the index number is set at ”xx”. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 70: Setup Loop

    ”SETUP loop” immediately after the installation to make sure that no further configuration is possible. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 71: Change Of Parameters In The "Setup Loop

    If you try to access these readings via the secondary key, the frames around ”Off” are shown to indicate that the function is not available in the meter. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 72 If users attempt to access this menu in meters configured as other meter types, the message ”Off” is displayed. This function can have been disabled via the selected country code. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 73 METERTOOL HCW to ensure that they are correctly set with respect to each other. Please note that activation of monthly target date 2 influences the depth of the monthly log as the meter now makes two monthly loggings. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 74 Number of decimals in display B-code CCC-code m³ m³/h 9. Primary address of module The meter’s primary M-Bus address can be adjusted in ”SETUP loop”. The address can be selected in the interval 0…250. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 75 0 and 9. activated. If you choose a value outside the valid interval (2…180,00 °C) the value is automatically adjusted to 250,00 °C, which indicates that the function has been switched off. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 76 Please be aware that the required offset adjustment must be entered, not the error of the temperature sensor set. If the selected temperature sensor set contributes with an error of -0,20 K, the meter’s offset must be set at 0.20 K. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 77 It is possible to preset the values of pulse inputs A and B in ”SETUP loop”, so that the meter’s display is in accordance with the connected water and/or electricity meter(s). The example is based on the connection of a water meter. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 78 ”EndSetup” is an important function when the meter is in transport state, but when the meter is in operation ”EndSetup” is just one of three ways, in which you can exit ”SETUP loop”. See paragraph 6.3 above. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 79: Test Loop

    (outlet) 4-005-00 Flow 4-006-00 The resolutions of the high-resolution registers are 1Wh and 10 ml respectively for all flow sizes. The registers can only be reset by a total reset of the meter. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 80: Calculator Functions

    Cooling energy: E3 = V1 (t2-t1)k t1:inlet or t2:outlet Flow sensor V1 is mounted in inlet or outlet as selected during config. (Heat/cooling meter with condensation protection and 403-Txx6 Pt500 sensor inputs) Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 81: Energy Registers E8 And E9

    25223 / 2973,9 / 0.1 10903 / 2973,9 / 0.1 2973,9 m³ 25223 10903 consumption = 84,81 °C = 36,66 °C (5342,6 – 2368,7 m³) (45346 - 20123) (18554 – 7651) Table 4 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 82: Outlet Energy Registers A1 And A2

    As the accuracy of the absolute temperature has direct influence on the accuracy of outlet energy registers A1 and A2, the zero error of the sensor set and the influence from the sensors’ connection cable ought to be compensated via the offset adjustment of MULTICAL® 403 (see paragraph 7.3) Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 83: Energy Calculations

    Heat energy: E1 = V1(t1-t2)k Cooling energy: E3 = V1(t2-t1)k is the heat coefficient of water, calculated according to the formula of EN 1434 and OIML R75-1:2002 Kamstrup A/S can supply an energy calculator for check measurement: Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 84 (E3) θ θ < (meter type 6) Outlet E3 = m (t2 – t1)k t1 < t2 θ θ < (meter type 6) Inlet/outlet energy E8 = m (E8, E9) E9 = m Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 85: Measurement Of The Coefficient Of Performance (Cp) Of A Heat Pump

    The monthly values are calculated as the average of a full month. The month is determined by the selected target date. • The yearly values are calculated as the average of a full year. The year is determined by the selected target date. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 86 0,0 until the daily log has logged over the configured number of days. (E.g. If the selected number of days is 5, the meter cannot make a calculation over 5 days until the meter has carried out 6 loggings.) Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 87: Measurement Of The Coefficient Of Performance (Cp) Of A Gas Boiler

    Please be aware of that the required offset adjustment must be entered, not the error of the temperature sensor set. If the selected temperature sensor set contributes with an error of -0,20 K, the meter’s offset must be set at 0,20 K. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 88: Bifunctional Heat/Cooling Metering

    ”SETUP loop” or METERTOOL HCW. See paragraph 6.3 and the technical description of METERTOOL HCW (5512-2097) for further information. Note: There is no hysteresis in connection with shift between heat and cooling energy measurement (Δθ = 0,00 K). Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 89: Min/Max Calculations Of Power (P) And Flow (Q)

    Date of min. yearly logger 9.11 Data of min. yearly logger 9.12 Date of min. this month 9.13 Data of min. this month 9.14 Date of min. monthly logger 9.15 Data of min. monthly logger 9.16 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 90 Therefore, the averaging period is not necessarily synchronous with the change of day. Due to this fact the min./max. calculation is immune to the clock setting as the interval is kept intact at e.g. 60 or 1440 min. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 91: Temperature Measurement

    1,5), whereas the display is updated with every integration (depending on L-code). The average calculations are thus volume weighted and can be used directly for checking purposes. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 92: Information Code Types

    This info code is set if there has been flow in the wrong direction for minimum 1% of qp for at least 10 minutes. It is reset again at the first flow measurement with correct flow direction. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 93: Examples Of Information Codes

    The data logger saves 50 changes (all 50 changes can be displayed). Note: The info code is saved in the meter’s data logger too for diagnostic purposes. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 94: Information Codes In Display And In Serial Communication

    1024 2048 V1 Increased flow (flow1 > qs, for more than 1 hour) 4096 In-A Leakage in the system 8192 In-B Leakage in the system 16384 In-A External alarm 32768 In-B External alarm Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 95: Information Codes In Transport State

    Access to ”TEST loop” will disable radio communication. In ”TEST loop” an integration or a forced dial-up do not enable the radio. Note: In order to gain access to ”TEST loop” the test seal must be broken and the meter must subsequently be reverified. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 96 Flow chart -”SETUP loop” -”SETUP loop” -”TEST loop” (Requires breaking of the test seal) - Total reset *If the meter is in ”TEST loop” the radio remains off at flow (integration) and forced call Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 97: Info And Config Logger

    The temperature offset value is saved The meter will always carry out a config logging if the user has had access to ”SETUP loop”, no matter whether the user has changed the configuration or not. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 98: Summer/Winter Time Adjustment

    DST offset as two separate parameters, or alternatively from a register including time comprising DST offset as a parameter. If the DST-function is disabled after delivery, information on DST offset will be removed from time stamps related to the historical values. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 99: Flow Sensor

    Throughout more than 25 years ultrasonic measurement has proved accurate and the most long-term stable measuring principle for heat measurement. Experience from repeated reliability tests carried out in Kamstrup’s accredited long-term test equipment and at AGFW in Germany as well as from ultrasonic meters in operation has documented the long-term stability of ultrasonic meters.
  • Page 100    Is the area of the measuring pipe The volume V passing through is finally calculated as a time integration over the flow (multiplication of (cross section constant) flow by time). Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 101: Flow Limits

    . Please note, however, that high flow velocities may cause cavitation, especially at low static pressure. See paragraph 4.5 for further details on operating pressure. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 102: Temperature Sensors

    805,272 807,133 808,994 810,855 812,714 814,574 816,432 818,290 820,148 822,004 823,861 825,716 827,571 829,426 831,280 833,133 834,986 836,838 838,690 840,541 842,392 844,241 846,091 847,940 849,788 851,635 Pt500, IEC 751 Amendment 2-1995-07 Table 5 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 103: Temperature Sensor Types

    Direct sensor set with composite union nut Direct sensor set with composite union nut Direct sensor set with composite union nut Pocket sensor set Pocket sensor set Pocket sensor set Pocket sensor set Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 104: Cable Effect

    Copper at 20 0,25 0,090 Table 6 Kamstrup A/S supplies Pt500 sensor sets with up to 10 m cable (2 x 0,25 mm 9.3 Installation 9.3.1 Identification of inlet and outlet temperature sensors To make it easier to carry out a correct installation, the inlet temperature sensor is equipped with additional two white markings on the cable by which you can easily identify which of the two temperature sensors is the inlet temperature sensor.

  • Page 105: Electrical Connection

    As shown in Figure 14 and Figure 15, this can, for example, be made with a nipple or a ball valve. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 106 G½, G¾, G1, all of which fit the DS 27.5 mm sensor as well as in G1¼ and G1½, both fitting the DS 38 mm sensor. No. 6556-570 6556-571 6556-572 G½ G¾ No. 6556-526 6556-527 G1¼ G1½ Figure 15 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 107: Pt500 Ø5,0 Mm / Ø5,2 Mm Sensor Types

    To avoid damage of the O-ring at the installation, it is important to use the guide on the following page when installing the ø5.0 mm or ø5.2 mm temperature sensor as a direct temperature sensor. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 108 The O-ring duct is used for pushing the O-ring into place after which the temperature sensor can be pushed to the bottom. The composite union nut is tightened by hand. No tools must be used. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 109: Pt500 Ø5.8 Mm / Ø6.0 Mm Pocket Sensor Set

    Figure 17: Examples of installation of sensor pocket for ø5.8 mm temperature sensor with R½ thread (to the left) and sensor pocket for ø6.0 mm temperature sensor with G½ thread and copper gasket (to the right). Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 110: Power Supply

    MULTICAL® 403 is powered via the two-pole connector in the calculator base. The internal power supply is 3,6 VDC and can be carried out as battery or mains supply via a number of different supply modules from Kamstrup A/S, see the below extract from the type number overview in paragraph 3.1.

  • Page 111: Lithium Battery, 1 X D-Cell

    For particularly current-demanding applications such as the battery operation of NB-IoT modules, a C-cell IoT (Kamstrup type HC-993-06) must be used. This battery package includes a lithium C-cell and a special capacitor that helps the battery to deliver high pulse currents.

  • Page 112: Battery Lifetimes

    Configuring the display to switch off 8 min. after the latest activation of a key by selecting integration modes (L-code) equal to 5, 6 or 7. Carry out M-Bus reading at longer intervals than 10 s. Please contact Kamstrup A/S for further information. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 113: Vac Supply Module

    The whole installation must fulfil current national regulations. Connection/disconnection of the module can be carried out by the meter installer, whereas installation of the 230/24 VAC safety transformer in a control panel as well as other fixed installations must be carried out by an authorized electrician. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 114: Vac High-Power Smps

    The table shows examples of accumulated yearly consumption for MULTICAL® 403 with various supply types. For battery supplied meters, see paragraph 10.4 concerning battery lifetimes. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 115: Safety Transformer 230/24 Vac

    230 VAC, if required by the customer. The supply cable to the meter must not be protected by a larger fuse than permitted, 6 A fuse for 2 x 0,75 mm² cable (accessory from Kamstrup A/S, type 5000-286). Alternatively a 2 x 1,0 mm²...

  • Page 116: Retrofitting And Exchange Of Supply Modules

    The supply type with which Kamstrup A/S delivered MULTICAL® 403 is permanently laser engraved on the meter. When exchanging the installed supply module, the new supply module is delivered from Kamstrup A/S with labels for fixing to MULTICAL® 403. The label must correspond to the installed supply module, see Figure 18. The label is fixed to the area marked Figure 19 so that it covers any previously imprinted supply description.

  • Page 117: Data-Backup In Case Of Interruption Of Supply

    3,6 VDC supply is below 3,1 VDC. When the supply is re-established, the meter continues counting from the value, which was saved when the supply was interrupted. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 118: Communication Modules

    # The module requires an external power supply % See Module datasheet for required coding in meter & The module requires an antenna, see chapter Mounting of antenna :Lithium battery C-cell with special capacitor Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 119: Marking On Communication Modules

    Radio communication modules only have the I/O terminals and a connector for antenna. For further information on the modules, please refer to their respective datasheets. For Pulse inputs, see chapter 3.2.6 For Pulse outputs, see chapter 3.2.9 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 120: Modules

    Data Pulse module enables direct communication to the meter using the KMP protocol. The module requires a special Kamstrup adapter cable for either RS-232 or USB in order to exchange data. For information about the KMP protocol, see chapter 12.3 11.2.2 HC-003-11: Data Pulse, outputs (Out-C, Out-D)

  • Page 121: Hc-003-21: Wired M-Bus, Outputs (Out-C, Out-D)

    Communication is either C-mode or T-mode according to EN13757-4. The Wireless M-Bus module supports individual encryption. Common encryption key is only available upon request. A large selection of datagrams for various applications can be configured into the Wireless M-Bus module. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 122: Hc-003-31: Wireless M-Bus, Outputs (Out-C, Out-D)

    The module can be configured as either wM- Bus (868MHz) or linkIQ (868-870MHz) in both configurations it is still possible to reconfigure the module using C2. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 123: Hc-003-34: Wm-Bus, Inputs (In-A, In-B),912,5/915/918,5 Mhz

    The order number for the KNX module for MULTICAL® 403/603/803 is 87970. The name is BCU-WMZ-KAM-MC603-c-FW. ' Please note that this module is not supplied by Kamstrup, and that questions about this should be addressed to Lingg & Janke OHG, Germany.

  • Page 124: Hc-003-50: Low Power Radio, Inputs (In-A, In-B), 434 Mhz

    LoRaWAN is an IoT module to transfer data in a LoRaWAN network. The module is developed by Elvaco and has been approved for use in Kamstrup MULTICAL xx3 meters. Please note that this module is not supplied by Kamstrup, and that questions about this should be addressed to Elvaco AB.

  • Page 125: Hc-003-56: Nb-Iot, Inputs (In-A, In-B)

    NB-IoT module for transfer of data in NB_IoT netvorks. The module is developed by Elvaco and has been approved for use in Kamstrup MULTICAL xx3 meters. Please note that this module is not supplied by Kamstrup, and that questions about this should be addressed to Elvaco AB.

  • Page 126: Hc-003-67: Modbus Rtu, Inputs (In-A, In-B)

    11.2.23 HC-003-83: READy Ethernet, inputs (In-A, In-B) READy Ethernet module is a plug-and-play module. Once the meter is commissioned, the module starts sending hourly data on the ethernet network. Actual values are sent to the utility every hour 24/7/365. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 127: Reading High Resolution Registers

    Before opening the meter to mount a module or an antenna, the power supply must be disconnected. Wireless M-Bus-module with internal antenna Wireless M-Bus-module with external antenna Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 128: Module Retrofitting

    For further information about METERTOOL HCW see technical documentation (5512-2097) Before opening the meter to mount a module or an antenna, the power supply must be disconnected. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 129: Supply Of Modules

    Modbus/KMP TCP/IP, inputs (In-A, In-B) HC-003-83 READy Ethernet, input (In-A, In-B) Battery " Power supply High-power SMPS Battery, IoT An overview of battery lifetimes for MULTICAL® 403 with different configurations is supplied in section 10.4. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 130: Data Communication

    The KMP protocol is used in all Kamstrup consumption meters launched from 2006 onwards. The protocol is used for the optical interface and via plug pins for the module area. Thus, modules with e.g. M-Bus interface use the KMP protocol internally and the M-Bus protocol externally.

  • Page 131: Test And Calibration

    Before test as a split meter, disassemble the meter and screw off the sensor set. Subsequently, the calculator is tested separately by means of Kamstrup calibration equipment for MC403 and METERTOOL HCW. Flow sensor and temperature sensors are tested separately too. During test of the flow sensor it is unimportant whether the temperature sensors are mounted.

  • Page 132: Test

    If the meter has not been unlocked, autointegration can be used, but it does not increment volume and energy in the legal registers. However, this requires that the installation seal is broken. This function is used in connection with standing start/stop. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 133: High-Resolution Volume And Energy

    Energy 1 Wh Please contact Kamstrup A/S for further information 13.4 Temperature calibration The temperature measurement is adjusted and calibrated during the production process and it does not require further adjustment in the meter’s lifetime. The temperature circuit can only be adjusted in our factory.

  • Page 134: Verification Pulses

    13.5.2 Use of high-resolution pulses The high-resolution energy/volume pulses can be connected to the test stand used for calibration of the meter, or to Kamstrup's Pulse Tester, type 6699-279, as shown in the drawing below. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 135: True Energy Calculation

    During test and verification the heat meter’s energy calculation is compared to the ”true energy”, which is calculated according to the formula of EN1434-1:2015 and OIML R75:2002. The below-mentioned energy calculator can be supplied electronically by Kamstrup A/S. The true energy at the most frequently used verification points is indicated in the table below:...

  • Page 136: Calibration Of Multical® 403 Using Metertool Hcw

    Calibration equipment difference, t1 [°C] t2 [°C] t1-t2 [K] 2-Wire Pt500 Type No. 6699-366 44,3 41,0 Standard (EN1434/MID) 80,0 65,0 160,0 20,0 2-Wire Pt100 15,0 18,3 -3,3 Type No. 6699-367 20,0 Standard (EN1434/MID) Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 137: Functional Description

    Calibration data in the calibration equipment can be maintained by changing its calibration data in METERTOOL HCW and clicking on ”Write” to transfer new data to the equipment. In order to avoid unintentional change of calibration data, the function “Write” is protected by a password, which can be obtained from Kamstrup A/S.

  • Page 138: Start Of Calibration

    14.5 Printing of certificate If you want to print a certificate with saved results, select “Certificate” in the menu. The result of test/calibration can be found under the serial number, and a certificate can be printed. Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 139: Logview Hcw

    MULTICAL® 403 14.6 LogView HCW Introduction and installation On Kamstrup’s website, you can find a registration form which must be completed before LogView HCW is handed over. A common installation guide (5810-1211) for METERTOOL HCW and LogView HCW (license-free log reading program) is also available on the website.

  • Page 140: Application

    Output This button displays the last used functions of the program. User manual Link to the meter’s user manual on Kamstrup's website About button List of LogView's program version and revision numbers as well as all sub-programs of the entire LogView HCW program, including type numbers and revision numbers.

  • Page 141: Approvals

    MULTICAL® 403 has a national Danish cooling approval, TS 27.02 009, according to BEK 1178 based on EN1434. 15.2 The Measuring Instruments Directive MULTICAL® 403 is available with CE-marking according to MID (2014/32/EU). The certificates have the following numbers: B-Module: DK-0200-MI004-037 D-Module: DK-0200-MID-D-001 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

  • Page 142: Troubleshooting

    Should it be necessary to repair the meter, we recommend only to replace battery, temperature sensors and communication modules. Alternatively, the whole meter should be replaced. Major repairs must be made by Kamstrup A/S. Before sending us a meter to be repaired or checked, please use the error detection table below to help you clarify the possible cause of the problem.

  • Page 143: Disposal

    MULTICAL® 403 17 Disposal Kamstrup A/S holds an environmental certification according to ISO 14001, and as part of our environment policy we use materials which can be recovered environmentally correctly to the greatest possible extent. As from August 2005 Kamstrup's heat meters are marked according to EU Directive 2012/19/EU and the standard EN 50419.

  • Page 144: Documents

    18 Documents Danish English German Technical description 5512-1688 5512-1689 5512-1690 Data sheet 5810-1429 5810-1436 5810-1437 Installation and user’s guide 5512-2113 5512-2113 5512-2113 These documents are currently updated. Find the latest edition at https://www.kamstrup.com/en-en/heat-solutions/meters-devices/meters/multical-403/documents Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...
  • Page 145 MULTICAL® 403 Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023...

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