MULTICAL® 403
Kamstrup A/S · Technical description · FILE100000166_B_EN-55121689_M1_07.2023
4.3.4 Recommendations for directly mounted temperature sensors .............................................................. 51
4.4 Mounting of MULTICAL® 403 calculator ........................................................................................................ 52
4.4.1 Compact mounting .................................................................................................................................. 52
4.4.2 Wall mounting ......................................................................................................................................... 52
4.4.3 Position of calculator ............................................................................................................................... 52
4.5 Operating pressure of MULTICAL® 403 ......................................................................................................... 53
4.6 Mounting in inlet or outlet ............................................................................................................................ 54
4.7 EMC conditions .............................................................................................................................................. 54
4.8 Climatic conditions ........................................................................................................................................ 54
4.9 Sealing ........................................................................................................................................................... 55
4.10 Pressure loss .................................................................................................................................................. 55
5 Dimensioned sketches ........................................................................................................................ 57
6 Display ............................................................................................................................................... 60
6.1 ”USER loop” ................................................................................................................................................... 64
6.2 ”TECH loop” ................................................................................................................................................... 64
6.2.1 Module readings ..................................................................................................................................... 68
6.3 ”SETUP loop” ................................................................................................................................................. 70
6.3.1 Change of parameters in the ”SETUP loop” ............................................................................................ 71
6.4 ”TEST loop” .................................................................................................................................................... 79
7 Calculator functions ............................................................................................................................ 80
7.1 Application types and energy calculations .................................................................................................... 80
7.1.1 Heat/cooling energy registers E1 and E3 ................................................................................................ 80
7.1.2 Energy registers E8 and E9 ...................................................................................................................... 81
7.1.3 Outlet energy registers A1 and A2 .......................................................................................................... 82
7.1.4 Energy calculations .................................................................................................................................. 83
7.2 Measurement of the coefficient of performance (CP) of a heat pump ......................................................... 85
7.2.1 Measurement of the coefficient of performance (CP) of a gas boiler ..................................................... 87
7.3 Offset adjustment of temperature sensor measurement ............................................................................. 87
7.4 Bifunctional heat/cooling metering ............................................................................................................... 88
7.5 Min/max calculations of power (P) and flow (Q) ........................................................................................... 89
7.6 Temperature measurement .......................................................................................................................... 91
7.7 Information code types ................................................................................................................................. 92
7.7.1 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
7.8 Transport state .............................................................................................................................................. 95
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