Compressors and Fans Manager

The EWCM 900(/S) is a series of controllers designed specifically for the control of a machine room in a refrigeration system.
The EWCM 900(/S) provides control management of the compressors (single units, multi-stage systems or compressors of different capacity), and of the condenser fans.

• Housing: black ABS plastic, 72x144 mm, depth 120 mm
• Mounting: flush panel mount (67x136 mm) with brackets
• Connections: quick-disconnect screw terminal block
• Refrigerants: 22, R 134 A, 502, 404 A, 407, 507
• Suction sensor input: NTC or 4…20 mA pressure transducer (scaleable)
• Head pressure sensor input: NTC or 4…20 mA pressure transducer (scaleable)
• Two pressurestat alarm inputs
• Global alarm output: relay 6(3)A 250V AC
• Controller breakdown output: relay 6(3)A 250V AC
• Configurable outputs: 11 relays 6(3)A 250V AC
• Alarm inputs: 11 optoisolated inputs (the same voltage of the supply)
• Serial connection: RS-485 port for connection to the Televis system
• Consumption: 6 VA
• Power supply: Depending on the model. See label on the instrument.