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MULTICAL® 403 List of words and symbols Word/symbol q i q p q s θ θ q θ hc ΔΘ t BAT DN PN E c E f E t MPE PQ GF KMP CP Meaning Minimum approved flow Permanent/nominal approved flow Maximum approved flow 1 Temperature range of calculator Temperature range of flow sensor (medium) Limit value for shift between heat and cooling 2 Temperature difference of inlet and outlet Battery temperature Nominal diameter Nominal pressure Max. permissible error of calculator Max. permissible error of flow sensor Max. permissible error of temperature sensors Maximum permissible error Power and flow in connection with tariff Glass fibre reinforcement Kamstrup Meter Protocol Coefficient of Performance (COP) 1 Less than an hour/day and less than 200 hours/year 2 Only available in meter type 6 Unit [l/h] [m³/h] [m³/h] [°C] [°C] [°C] [K] [°C] [mm] [bar] [%] [%] [%] [%] Expired designations Q i , q vmin , Q min , q min Q s , q vmax , Q n , q n , q max Q max 2 Kamstrup A/S · Technical description · FILE100000166_C_EN_07.2024

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MULTICAL® 403 Contents 1 General description .8 1.1 Mechanical construction.9 1.2 Electronic structure.10 2 Technical data .11 2.1 Approved meter data.11 2.2 Electrical data.13 2.3 Mechanical data.15 2.4 Materials .15 2.5 Accuracy.16 3 Type overview .17 3.1 Type number.18 3.1.1 Accessories .19 3.2 Configuration numbers .22 3.2.1 Flow sensor position >A< .23 3.2.2 Measuring unit >B<.23 3.2.3 Flow sensor coding >CCC< .23 3.2.4 Display code >DDD<.25 3.2.5 Tariffs >EE< .28 3.2.6 Pulse inputs A and B >FF-GG<.33 3.2.7 Integration mode >L< .36 3.2.8 Cold water leakage >N< .37 3.2.9 Pulse outputs C and D >PP<.37 3.2.10 Data logger profile >RR< .39 3.2.11 Encryption level >T<.41 3.2.12 Customer label >VVVV< .41 3.3 Data.42 3.4 Serial number and extended availability .44 3.5 Target date.45 4 Installation.46 4.1 Installation requirements.46 4.2 Inlet prerequisites .47 4.3 Orientation of Kamstrup’s flow sensors .48 4.3.1 General recommendations .48 4.3.2 Recommendations for heat applications .49 4.3.3 Recommendations for cooling and combined heat/cooling applications.50 Kamstrup A/S · Technical description · FILE100000166_C_EN_07.2024 3

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