Removable panels on three sides enhance accessibility. Performance monitor signals a potential problem so maintenance can be scheduled. Safety features protect the unit from such conditions as high pressure, loss of charge, etc. Digital communication control provides diagnostic data for set-up and service calls. If communicating thermostat is not used, optional diagnostic tool connects through built-in port. Double spring and grommet isolation mounting system for the compressor, plus torsion motor mount reduce vibration and related sound; compressor compartment is insulated and is separated from air handler by insulated divider; discharge muffler reduces inherent compressor pulse noise, making HEH one of quietest units on the market.

Source: ACHR News (a part of news report)

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