Need help?Do you have a question about the Hayward summit SUM25TA and is the answer not in the manual?
Details the power voltage, phase, and frequency requirements for the heat pump.
Explains temperature display modes (C/F) and the main parameter display area.
Describes the function of the SET, UP, and DOWN buttons for controls.
Details indicators for heating mode, compressor, and fan status.
Codes indicating refrigerant shortage or pressure control issues requiring service.
Errors related to water or suction temperature probes and their connections.
Codes indicating flow issues, filter problems, or normal defrost cycles.
Diagnoses why the unit has no display but the compressor is running.
Addresses leaks or condensation observed around the heat pump unit.
Troubleshoots why the heater runs but fails to reach the desired water temperature.
To Next Page
General