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RSMZ
RSMZ
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RSMZ Series

The Refrigeration System Modules were developed specifically to communicate with the VCCX2 System for the purpose of efficient control to optimize the performance of the system by maintaining operation within the optimum operating envelope of the compressors. 

The RSMZ (Refrigerant System Module for VFD Compressors) series of modules is for RZ units and RN-E units with Danfoss compressors.

SPECIFICATIONS

  • Features
    The RSMZ Module provides the following:
    • Modulates the Compressors to satisfy the Suction Coil (Saturated) Temperature. The Suction Coil (Saturated) Temperature Setpoint is reset by the VCCX2 Controller to maintain the Supply Air Temperature during Cooling Mode. During Dehumidification Mode, it controls the compressors to the coldest safe Suction (Saturation) Temperature providing the maximum dehumidification possible.
    • Modulates the condenser fan to maintain the Head Pressure Setpoint.
    • Monitors the performance of the DMQ Universal Superheat Controller/Sensor (USHX) to maintain the Superheat Setpoint of each evaporator coil.
    • Provides alarms and safeties for the compressor and condenser operation.
    • Provides a 2 x 8 LCD character display and four buttons that allow for status of system operation, system setpoints, system configurations, sensors, alarms, and change the module’s address, if necessary. 
The RSMZ Module provides the following:
  • Modulates the Compressors to satisfy the Suction Coil (Saturated) Temperature. The Suction Coil (Saturated) Temperature Setpoint is reset by the VCCX2 Controller to maintain the Supply Air Temperature during Cooling Mode. During Dehumidification Mode, it controls the compressors to the coldest safe Suction (Saturation) Temperature providing the maximum dehumidification possible.
  • Modulates the condenser fan to maintain the Head Pressure Setpoint.
  • Monitors the performance of the DMQ Universal Superheat Controller/Sensor (USHX) to maintain the Superheat Setpoint of each evaporator coil.
  • Provides alarms and safeties for the compressor and condenser operation.
  • Provides a 2 x 8 LCD character display and four buttons that allow for status of system operation, system setpoints, system configurations, sensors, alarms, and change the module’s address, if necessary.