Title: +175=574.001_OE001_Manual - Varmemåler Hydrocal M3 - På rør.Produktinformasjon.pdf
Hydrocal M3 Manuale utente – User Manual - v1.433M-BUS NETWORK CONNECTIONThe inputs/outputs “M-Bus” (24 and 25) are dedicated to the meter connection with an M-Bus network cable.For the connection is not necessary to respect the polarity, although it is advisable to keep the same polarity on the entire cable network.Warning: the M-Bus network is using voltage that can damage the device when applied to terminals dedicated to other functions, so be careful when connecting to this interface.PULSE OUTPUT CONNECTIONSThe meter is equipped with an Open-Collector pulse output (30V):heating units output: ENERGY OUT (16, 17)These outputs can be connected to a compatible totalizer or to a signal converter.Hydrocal M3 Manuale utente – User Manual - v1.434VOLUME METERS C1/C2IN CONNECTIONThe inputs C1 IN (51, 52, 53) and C2 IN (54, 55, 56) are dedicated to the flowmeters for hot and cold sanitary water.