ASMUC Software Changelog (R454B)
Modified on: Wed, Jun 3, 2026 at 12:01 AM
MINVOD_CS_USV2214
- Corrected and optimized manual operation logic for the second compressor on 28 kW, and the compressor operates normally in automatic mode.
MINVOD_CS_USV2212
- Added a low outdoor temperature free cooling 14°F ( −10.0°C).
- Added some new Unicool Edge model numbers into the software system
- Suppressed Condensing Temperature Sensor and Discharge Temperature Sensor fault alarms at extreme temperatures, and the alarms auto reset with a limit of three occurrences within one hour.
- Added EEV manual commissioning functionality.
- Added automatic identification of three outdoor temperature and humidity sensor types by controllers. This function is disabled by default.
- Customized EEV PID parameter vaues for UniCool Max 60V1B6MR454B.CAC
- Changed the default subnet mask of the configurable PCO controller to 255.255.255.0.
- Upgraded BACnet, Modbus TCP, SNMP protocol data lists along with the latest software.
- Upgraded remote monitoring to version 3.0.
MINVOD_CS_USV2210
- Added additional Modbus TCP protocol support to the ASMUC for automatically exchanging data between ASMUC and units.
- Enable simultaneous operation of the electric heater and compressor in dehumidification mode if power distribution meets requirements.
- Optimized and corrected group control functionality.
MINVOD_CS_USV2206
- Added indoor control temperature to the HVAC communication table to register addresses.
- To modify the System Initialization interface access to the Service
- Added transmission of the ASMUC Fire Alarm signal to the HVAC controller through a communication register address.
- Reduced the compressor startup pressure differential limit.
- Changed attribute type of the starting opening position and manual opening position parameters of the EEV.
MINVOD_CS_USV2205
- Changed fixed and variable DX maximum speed for unit models 7V1B/B2MR454B.AAC
MINVOD_CS_USV2204
- Adjusted the ASMUC humidity sensor signal range to a fixed range
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