In the DATE/TIME start screen, go to the QREV/PSHC screen and press SET.
To indicate if a QREV/PSHC is installed and connected to
the A5xx Controller, select YES or NO and press SET.
To set the refrigerant type used by the system, select the
refrigerant type from the available options and press SET.
Note: For more information about available
programmed refrigerants, refer to the Quick
Response Expansion Valve (QREV) and
Precision Superheat Controller (PSHC) Product
Bulletin (LIT-12012398).
To set the superheat temperature value, select the
superheat temperature value from the range 2°F to 45°F
and press SET.