The ACH-CP-B control panel when used with the ACS550 drive control allows access to HVAC terms and units, efficiency calculators that monitor the energy being used and saved, and a real time clock and timers that help you optimise energy use.The ACS550 drive and this control panel are typically used for controlling common HVAC applications including pump and fan control, cooling fan control, pump cleaning and protection and more. Supplied with a short cable and connectors to mount directly onto the drive unit or used with a remote cable.