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RSMD-1
RSMD-1
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RSMD 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 RSMD (Refrigerant System Module for Digital Compressors) Series of modules were designed for units with Digital Compressors. 

Please verify the software required before attempting to perform an update. The software is identified on the software label near the Status LED or using the Software Version screen.

SPECIFICATIONS

  • Features
    The RSMD Modules provide 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.
    • In Heat Pump applications, the RSMD modulates and stages the compressors to maintain a given Supply Air Temperature Setpoint.
    • Modulates the condenser fan or water valve to maintain the Head Pressure Setpoint.
    • Provides alarms and safeties for the compressor and condenser operation.
    • Allows connection of the Modular Service Tool SD to the module when required communication wire is run to the VCCX2 Controller.
    • Provides a 2 x 8 LCD character display and four buttons that allow for status of system operation, system setpoints, system configurations, sensors, and alarms, and to change the module’s address, if necessary.
  • Options
    The RSMD Module can monitor and control up to two compressors and condensers. The compressors can be either a tandem or non-tandem configuration.

    The RSMD2R Module can monitor and control up to two non-tandem digital compressors and associated condensers.

    Other options include:
    • RSMD-R22
    • RSMD-CM
The RSMD Modules provide 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.
  • In Heat Pump applications, the RSMD modulates and stages the compressors to maintain a given Supply Air Temperature Setpoint.
  • Modulates the condenser fan or water valve to maintain the Head Pressure Setpoint.
  • Provides alarms and safeties for the compressor and condenser operation.
  • Allows connection of the Modular Service Tool SD to the module when required communication wire is run to the VCCX2 Controller.
  • Provides a 2 x 8 LCD character display and four buttons that allow for status of system operation, system setpoints, system configurations, sensors, and alarms, and to change the module’s address, if necessary.
The RSMD Module can monitor and control up to two compressors and condensers. The compressors can be either a tandem or non-tandem configuration.

The RSMD2R Module can monitor and control up to two non-tandem digital compressors and associated condensers.

Other options include:
  • RSMD-R22
  • RSMD-CM