Specifications include, but are not limited to: The unit will be capable of monitoring the following or similar items and shutting down in the event they are out of tolerance. The faults listed below will be displayed in plain English on a minimum two-line LCD text display. Over-Current Detected Control Fault Detected Low Refrigerant Pressure High Refrigerant Pressure Low Supply Air Temperature High Supply Air Temperature Low Supply Air Pressure Compressor Overload Indicators A minimum two-line LCD text display with the following or similar in plain English text: System State (On, Off, Defrost, Fault) Stage Indicators Ambient Air Temperature Supply Air Temperature Suction Refrigerant Pressure Evaporator Saturation Refrigerant Temperature Suction Refrigerant Temperature Compressor Discharge Temperature Condenser Saturation Refrigerant Temperature Liquid Line Pressure Super Heat Measurement Sub Cool Measurement Accumulated kilowatt-hours Unit settings (temperature, air volume) Date and time Event and fault history: The most recent 100 events(start/stop/fault/reset) stored internally and are available to be viewed from the minimum two- line LCD display on the unit. The following data for each event is stored: Time of data sample Date of data sample Kilowatts used for docking cycle Fault (with pertaining parameters at time of fault) A keypad will control which of the above information is displayed. LEDs will indicate the following items: Start push button pressed Stop push button pressed Front panel lights will indicate similar to the following: Red light steady – fault occurred Yellow light steady – input voltage applied to unit Green light steady – unit in cooling mode