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Lists HeatPro, Summit, HeatMaster, EnergyTherm, and EasyTemp heat pump models covered in this guide.
Important warnings about high voltage and the need for qualified personnel during servicing.
Provides contact information for Hayward's Technical Service Department for further questions.
Explains the fundamental operation and time delays of heat pumps, including specific delays for HeatPro and Summit units.
Details normal low and high side refrigerant operating pressures for R-410A systems.
Explains the normal temperature difference between air entering and exiting the coil.
Discusses normal condensation and methods to identify actual refrigerant leaks.
Guides on connecting remote controls to HeatPro models using specific terminals (TB201).
Details how to set up remote operation for Summit platform heat pumps via control board terminals.
Provides resistance values for Summit heat pump sensors at various temperatures.
Provides resistance values for HeatPro heat pump sensors at various temperatures.
Explains the LP error, its causes (low pressure, leak), and troubleshooting steps.
Covers the HP/HI error, often related to restricted water flow or high pressure issues.
Details errors for open/shorted water temperature sensors and troubleshooting steps.
Explains errors for open/shorted defrost sensors and troubleshooting steps.
Addresses the Flo/PS error, typically related to low water flow or pressure switch issues.
Discusses the blank display error, usually caused by low voltage or a tripped breaker.
Explains the FS/deF error, indicating the heat pump is in defrost mode.
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General