The EWCM 800(/S) is a series of controllers designed specifically for the control of a machine room in a refrigeration system.
EWCM 800(/S) provides control management of the compressors (single units, multistage systems or compressors having different power).

• 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, 404A
• Suction sensor input: NTC or 4…20 mA pressure transducer (scaleable)
• One pressurestat alarm input
• Global alarm output: relay 6(3)A 250V AC
• Controller breakdown output: relay 6(3)A 250V AC
• Configurable outputs: 4, 6 or 9 relays 6(3)A 250V AC
• Alarm inputs: 4, 6 or 9 optoisolated inputs (the same voltage of the supply)
• Serial connection: RS-485 port for connection to the TELEVIS system (/S only)
• Consumption: 6 VA
• Power supply: 220, 110, 24, 12 Vac ±10%, 50/60 Hz