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Details on model capacities, power supply, and visual representation of units.
Diagrams showing the arrangement of key components within the heat pump units.
Schematic illustrating the refrigerant and water circuits within the heat pump.
Visual representation of refrigerant flow during heating/DHW and cooling/defrosting operations.
Describes normal and abnormal shutdown procedures for the heat pump.
Details control of water pump and crankcase heater during standby operation.
Covers compressor startup delay and program for heating/cooling modes.
Explains component control during normal heating, cooling, and DHW operations.
Covers protection controls for pressure, temperature, current, and anti-freeze.
Details oil return operation and defrosting operation procedures and controls.
Explains the function of various temperature sensors in the control system.
Guide to adjusting EEPROM parameters for heat pump settings and calibration.
Wiring diagrams for different models (GHP-MM08, MM10, MM12, MM14, MM16).
Visual identification of PCBs and terminals within the electric control boxes.
Details on the types and functions of hydraulic, inverter, and refrigerant system PCBs.
List of error codes, their descriptions, and remarks for troubleshooting.
Step-by-step analysis and actions for common error codes (P01-P38, E01-E38).
Tables showing resistance values for various temperature sensors at different temperatures.
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General