Calculation unit for heat metering systems - 4 pipes
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DESCRIPTION
General features0
This product is out of productions and has been replaced by ECCM33
The device is an electronic unit for thermal energy metering in heating and air conditioning systems and volumes of water meters sanitary hot and cold.
- The calculator features separate sections able to simultaneously
record the following:
• thermal energy in a heating circuit;
• thermal energy in a cooling circuit;
• sanitary cold water volume;
• sanitary hot water volume. - The unit has been designed to facilitate the installation and reduce the time needed for the commissioning operations.
- The ECCM42 unit is equipped with a wired “M-Bus” interface and a wired “Local-bus” interface that allow the user to read, by means of compatible equipment, the consumption from inside one’s own apartment.
- Ambient operating temperature: +5 ÷ +55 °C
- Storage temperature: -20 ÷ +55 °C
- Dimensions: 141 x 77,5 x 47 mm
- Degree of protection: IP52
- Environmental class: A (E1, M1)
- Maximum value of thermal power: 33000 kW with a pulse rate < 100 l/pulse; 330000 kW with a pulse rate ≥ 100 l/pulse
- Temperature measurement range: 2 ÷ 150°C (Θmin=2°C Θmax=150°C)
- Temperature difference: 3 ÷ 148°C (ΔΘmin=3°C ΔΘmax=148°C)
- Heating/cooling switching: According to the sign of temperature difference between sensors (ΔΘ); in any case, no energy
recording takes place in case of –3°C < ΔΘ < +3°C - Display unit features: Liquid crystal display (LCD) with 8 digits, 19 icons and 2 auxiliary digits
- Energy measurement unit on the LCD: MWh (standard), configurable kWh, MJ and GJ
- Type of sensors: Pt500 sensors pairs with 2-wire lead (Platinum precision resistor, IEC 60751 compliant)
- Type of sensor cables: Unshielded
- RMS Sensor current value: < 72 µA (measurements made every 30 seconds)
- Pulse inputs: Two inputs for the heating/cooling flow meters; two inputs for the sanitary water flow meters
- Pulse inputs class: IB (in accordance with the EN 1434-2 Standard)
- Pulse inputs circuit type: Pull-up (1 MΩ) with reference to ground (GND terminal); voltage: +3.6 V
- Pulse input compatibility: Flow Meters with class OA (reed output) and class OC (open-collector) pulse outputs
- Max. frequency / Pulse min. duration: 5Hz – 100ms
- Flow Meter installation position: Return (standard), configurable on the forward
- Pulse rate: 1 – 2,5 – 10 – 25 – 100 – 250 – 1000 – 2500 litres/pulse
- Heat carrier fluid: Water (standard), configurable for water and glycol solution
- M-Bus communication interface: Compliant to EN 1434-3, with galvanic separation
- M-Bus baud rate: 2400 baud (standard), also configurable to 300 or 9600 baud
- Type of cable for M-Bus connection: Telephone cable J-Y(ST) Y2 x 2 x 0,8mm²
- Local Bus interface: Compliant to EN 13757-6, 2400 baud, proprietary unidirectional protocol
- Type of cable for Local Bus connection: Two wire cable (2 x 0.6mm², max. length: 50m)
- Billing recording: 12 fixed monthly recordings, two periods with programmable dates (DD/MM)
- Anomaly/alarm recording: Circular log, four events (type of event and date)
- Other recordings: Heat carrier fluid max. flow rate and max. power
- Type of connections: Removable, 18-pole terminal block (5mm pitch)
Electric features- Power supply: battery-operated
- Battery rated voltage: 3,6V
- Tipo di batteria: Lithium-thionyl chloride
- Type of battery: Pre-wrapped package (2xAA – capacity: 4.8 Ah – spare part code: 1592269)
- Battery life: 10 years operation + 1 year stock
- The calculator features separate sections able to simultaneously
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ADVANTAGES
0
This product is out of productions and has been replaced by ECCM33
The device is an electronic unit for thermal energy metering in heating and air conditioning systems and volumes of water meters sanitary hot and cold.
Advantages -
TECHNICAL SPECIFICATION
CODE POWER SUPPLY TEMPERATURE MEASUREMENT RANGE PROBE TYPE INPUTS PROTECTION DEGREE ECCM42 batteries 2xAA – 5,4Ah 2 ÷ 150°C (Θmin=2°C Θmax=150°C) thermo resistive Pt500 2 for heating or cooling 2 for sanitary water IP52 -
HOMOLOGATION AND INSTALLATION
Homologation
- Certification: 2004/22/CE MID (B+D type examination), certificate no. CH-MI004-13017
Installation and use- Wall-mounted
- The ECCM42 calculator is equipped with two separate sections (made up of one pulse input and two inputs for the Pt500
sensors) to measure the thermal energy of a heating circuit and a cooling circuit, as well as two pulse inputs used to acquire the
consumption data from the sanitary hot and cold water meters. - Therefore, the unit can be used with a wide range of system applications, e.g. in household environments featuring systems
equipped with two pipes , tertiary sector systems equipped with four pipes, or central heating plant or solar power installations, considering that the unit can be configured to record the energy in circuits making use of heat carrier fluids based on water and glycol. - As far as household systems are concerned, where circuits fitted with two pipes are typically used, the heat energy is measured on
one single section both during winter operation (i.e. heating) and summer operation (i.e. cooling); in this case, the second
measuring circuit can be used to acquire the consumption data relative to the recycled water hydraulic circuit.
- TECHNICAL LITERATURE
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FAQS
