HVAC&R Controllers

Controller for Two Compressors SZ-7552-P/ SZ-7562-P


Controller for Two Compressors SZ-7552-P/ SZ-7562-P

  • Individual set points, differentials and time delays.

  • Cycling of compressors to avoid overloading one compressor.

  • Activate second compressor incase first compressor is not able to handle the load.

  • An internal 10sec time delay is provided to avoid simultaneous startups of compressors.

  • similar option for switching off as well to prevent an electrical surge.

  • Software keypad lock to avoid parameter tampering by bystanders.

Controller for Two Compressors SZ-7552-P/ SZ-7562-P

Controller for Two Compressors SZ-7552-P/ SZ-7562-P

Display 7 Segment LED Display, 3 x 14.2mm (0.56”)
Probe Inputs NTC, Defrost (Coil)
Relay Outputs Compressor1 : 8(3)A
Compressor2 : 8(3)A
Power Supply 230Vac Standard
Temperature Range -0.0°C to +50.0°C (Resolution 0.1°C, for SZ-7552-P)
-40°C to +99°C (Resolution 1°C, for SZ-7562-P)
Size 75 x 34.5mm
Mounting Type Panel Mount, Panel Cutout : 71 x 29mm
Application 2 Independent cooling units with one temperature sensor

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