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The enhanced Model 600 Lead/Lag HVAC Controller now features built-in Ethernet for advanced remote monitoring, configuration and control. Ideal for critical infrastructure, it supports scalable networking, remote access via web or Modbus TCP and Quest’s patented economizer control to boost energy efficiency. Designed for reliability and ease of use, it manages two HVAC units and can be integrated across multiple sites—reducing onsite visits and optimizing performance in telecom and data facilities.
