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Technical drawings showing dimensions and connection points for the tank unit.
Technical drawings showing dimensions and connection points for the heat pump unit.
Procedure to prevent freezing by maintaining minimum temperatures.
Operation logic for air removal before heating.
Conditions and logic for initiating and ending the defrost cycle.
Details on the number of retries for error recovery.
Detailed technical specifications for the expansion valve coil.
Detailed technical specifications for the water circulation pump.
Step-by-step instructions for replacing the printed circuit board.
Step-by-step instructions for replacing the timer setting panel.
Step-by-step instructions for replacing the water circulation pump.
Step-by-step instructions for replacing the fan blade and motor.
Step-by-step instructions for replacing the thermistors.
Step-by-step instructions for replacing the expansion valve coil.
Step-by-step instructions for replacing drain plugs and O-rings.
Step-by-step instructions for replacing the reactor.
Step-by-step guide for cleaning the inlet filter.
Procedure for removing air from the heat pump system.
Description of the timer panel's 7-segment display functions.
Procedure for setting the current time on the timer panel.
Overview and access to various maintenance modes.
Guide to setting block-out times for unit operation.
How to access and interpret the error history log.
How to view measured parameters like thermistor values.
How to switch the heat pump unit on or off via settings.
How to force the unit into water heating operation.
How to manually operate the water circulation pump.
Impact of water chloride and pH on unit warranty and performance.
Considerations when changing water supply sources.
Technical drawings showing dimensions and connection points for the tank unit.
Technical drawings showing dimensions and connection points for the heat pump unit.
Procedure to prevent freezing by maintaining minimum temperatures.
Operation logic for air removal before heating.
Conditions and logic for initiating and ending the defrost cycle.
Details on the number of retries for error recovery.
Detailed technical specifications for the expansion valve coil.
Detailed technical specifications for the water circulation pump.
Step-by-step instructions for replacing the printed circuit board.
Step-by-step instructions for replacing the timer setting panel.
Step-by-step instructions for replacing the water circulation pump.
Step-by-step instructions for replacing the fan blade and motor.
Step-by-step instructions for replacing the thermistors.
Step-by-step instructions for replacing the expansion valve coil.
Step-by-step instructions for replacing drain plugs and O-rings.
Step-by-step instructions for replacing the reactor.
Step-by-step guide for cleaning the inlet filter.
Procedure for removing air from the heat pump system.
Description of the timer panel's 7-segment display functions.
Procedure for setting the current time on the timer panel.
Overview and access to various maintenance modes.
Guide to setting block-out times for unit operation.
How to access and interpret the error history log.
How to view measured parameters like thermistor values.
How to switch the heat pump unit on or off via settings.
How to force the unit into water heating operation.
How to manually operate the water circulation pump.
Impact of water chloride and pH on unit warranty and performance.
Considerations when changing water supply sources.
General| Model | GAU-A45HPA |
|---|---|
| Type | Air to Water Heat Pump |
| Rated Heating Capacity | 4.5 kW |
| Refrigerant | R410A |
| Power Supply | 230V, 50Hz, Single Phase |
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