A.O. Smith CAHP-MC-38 Installation, Operation And Maintenance Instructions page 31

AUX HEATER AT H-AMB
HX CLEAN RESET
CLEAR HEAT PUMP
FAULTS
CLEAR FAULTS HISTORY
Note: Select the menu item by pressing the Up/Down buttons. When the menu is selected, it will be highlighted with the
white background, then press the "MODIFY" button to set the related parameters. Press the "BACK" button to return to
the main page of the interface and press the "HELP" button to enter the menu for help.
The setting process is similar as "Summer Tank Temperature Setting".
AUX HEATER AT H-AMB is the parameter used to enable/disable the auxillary heater's
operation under high ambient conditions.
Setting Options: ON/OFF
Default Option: OFF
The setting process is similar as "Summer Tank Temperature Setting".
HX CLEAN RESET is used to reset the condenser cleaning factor when the user complete the
condenser cleaning as per controller indication.
Please refer to "Condenser Cleaning Reset" section for detailed setting method.
CLEAR HEAT PUMP FAULTS is used clear the fault information of the heat pump units.
Please refer to "CLEAR HEAT PUMP FAULTS OPERATION" section for detailed setting method.
CLEAR FAULTS HISTORY is used to clear the historical fault information.
Setting method:
Please refer to "CLEAR FAULTS HISTORY OPERATION" section for detailed setting method.