Technical Specification:
- ABB ACH550 are designed for HVAC application
- Protection class: IP21, IP54(option).
- Output frequency: 0…500 Hz
- Power factor: 0.98
- Integrated: EMC filter, EMC(EN61800-3), Coated boards
- 6 digital inputs(DI),2 analog inputs(AI); 3 relay outputs(NO+NC), 2 analog outputs(AO).
- Both analog outputs can be used to feed the PT 100 sensor, any of the 6 digital inputs or analog inputs can be configured for PTC.
- Communication: Protocols as standard (RS485): BACnet MS/TP, Modbus RTU, N2 and FLN: Available as plug - in options: BACnet/IP router, lonWorks, Ethernet etc.
- Real - time clock and calendar inbuilt provides true time and date stamps to drive events. support maintenance
- Inbulit 14HVAC macro: HVAC default ( for typical BMS), Supply fan, Return fan, Cooling tower, Sondenser, Booster pump, Pump alternation, Intrenal timer, .....…
Application:
- Pump, fan and HVAC system.
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