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heat pump adVanced feature menu
DIAGNOSTICS
SUBMENU ITEM
INDICATION/USER
MODIFIABLE OPTIONS
COMMENTS
Clear Faults NO or YES Selecting “YES” clears the fault history.
Fault 1 Most recent heat pump fault
Fault 2 2nd most recent heat pump fault
Fault 3 3rd most recent heat pump fault
Fault 4 4th most recent heat pump fault
Fault 5 5th most recent heat pump fault
Fault 6 6th most recent heat pump fault
STATUS
SUBMENU ITEM COMMENTS
Time Stamp (TS) Provides compressor run time in hours.
Mode (MD)
Current system operation mode (COOLING, HEATING, COOLING STARTUP, HEAT-
ING STARTUP, OIL RETURN, DEFROST, STOP).
Compressor Reduction Mode
(CRM)
Displays ON or OFF status. ON indicates that the reduction mode is operating and
the compressor is running at a lower speed than the cooling load would normally
require.
Requested and Actual % Demand
(RAD)
Displays a 0-100% value, based on a ratio of the requested cooling demand to what
the system is actually providing.
Requested and Reported ID CFM
(RAF)
Compares the indoor airow to what the indoor equipment has reported.
Outdoor Air Temperature and
Outdoor Fan RPM (ATOF)
Displays the outdoor air temperature as well as the outdoor fan speed (RPM).
Discharge Temperature and
Outdoor Coil Temperature (DCT)
Displays the discharge temperature and outdoor coil temperature sensor readings.
Outdoor Liquid Temperature
(DLT)
Displays the outdoor liquid temperature sensor reading.
Pressure Sensor and Suction
Temperature (PSDST)
Displays the pressure sensor reading which is taken slightly upstream of the suction
accumulator and outdoor suction temperature sensor reading.
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