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1. Main functions:
- Temperature and humidity control function, maximum 6 loop of independent step operating function
- Alternative operation by maximum 4 compressors and 8 heaters
- Backup operating function
- Prevention from frequent starting failure occurred by low pressure hunting using low pressure switch in compressor
- Successive starting function, pump down function and prevention from restarting function
- Control function for cold water, hot water, steam valve, SCR, damper designed for HVAC (4-20mA PID control)
- Detection of error in temperature and humidity sensor, alarm function and output of equipment state (cooling and dehumidification and heating and humidification)

2. Models:

DX100-00/DX100-11 (2 compressors)
DX120-00/DX120-11 (4 compressors)
DX140-00/DX140-11 (constant temperature and humidity unit)