The ECCM33 calculation unit is equipped with distinct sections capable of simultaneously accounting for:– thermal energy of a heating circuit– thermal energy of a cooling circuit– volume of the domestic cold water meter– volume of the domestic hot water meterThe unit has been designed to facilitate installation and reduce commissioning times. The ECCM33 unit is equipped with a wired “M-Bus” communication line and a wired “Local Bus” communication line with proprietary protocol to allow consumption to be consulted by the user via compatible Fantini Cosmi chronothermostats or HBES systems . Dimensions: 154 x 119 x 51 mmProtection degree: IP52Environmental class: A (E1, M1)Maximum power 99 MWMeasurement temperature range (heating): 5÷180°CTemperature range difference (heating): 3÷150KMeasurement temperature range (cooling): 2÷24°CTemperature interval difference (cooling):: 3÷20KDisplay levels: 6Display: 8 character LCD + iconsEnergy indication: MWhMaximum impulse cable length: 2 mTemperature sensor type: Pt 1000Temperature sensor cable length: 3 m/ 10 mInput pulse value: 0. 1 – 0. 25 – 1. 0 – 2. 5 – 10 – 25 – 100 – 250 litersPulse inputs: 1 dedicated for the heating/cooling circuit meter, 2 dedicated to additional pulse output meters (sanitary)Pulse output: 1 heating output, 1 cooling outputPulse input class: Class IA (default): Open Collector or reed contact, max 5HzMaximum pulse input frequency (MID certified): 5HzFlow meter installation (flow in): Return pipingSupported liquid: WaterElectric featuresBattery poweredNominal battery voltage: 3. 6VBattery type: Li-SoCl2 Lithium Thionyl ChlorideTemperature measurement range: 5 ÷ 180 °CMaximum battery life: 10 + 1 years, depends on the type of use