The RoomMountAC precision air conditioning system from CHICAGO DIGITAL POWER provides robust cooling solutions with a capacity range from 5.5 Kwup to 122.9 Kw. This air-cooled perimeter unit supports flexible air supply configurations, either Downflow or Upflow, to suit various data center architectures. It is engineered with high-quality components to ensure 24/7 reliability, featuring highly reliable scroll compressors, industry-leading EC/AC fans for efficient airflow, and thermostatic/electronic expansion valves (EEV) for precise R410A refrigerant flow control. -. Management is centralized via an intelligent controller with a color touchscreen, supporting BMS integration, teamwork, and Master/Slave working policies for coordinated cooling. -. Essential features for critical environments include a large-area air filtration system (up to G4), an electrode humidifier, and optional features such as low-temperature kits (-35?), lightning protection, and SNMP/RS485 network monitoring cards. Its modular cabinet design facilitates secondary disassembly and easy expansion.