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Details critical safety warnings regarding electrical hazards and unit modification.
Safety guidelines for handling R410A refrigerant during installation and service.
Highlights risks like explosion and toxic gas release during refrigerant work.
Details heating and cooling capacities, COP, and EER ratings under various conditions.
Depicts the refrigerant flow paths for pumpless and hydraulic models.
Details the process of providing domestic hot water.
Describes the steps involved in the heating mode of operation.
Explains the procedure for the cooling mode of operation.
Specific parameters and conditions for Domestic Hot Water operation.
How the unit manages simultaneous heating/cooling and DHW production.
Details the system's function to prevent legionella bacteria growth.
Covers noise reduction during night and protection against water freezing.
Explains internal logic for compressor protection and valve control.
Describes how superheat is managed via PMV opening.
Explains the conditions and procedures for defrost operation.
Basic checks to perform before diagnosing unit issues.
Outlines the systematic approach to identifying unit defects.
Guide to understanding and displaying unit alarms on the remote controller.
Detailed explanations and actions for various error codes.
Flowcharts for diagnosing common sensor and communication failures.
Procedures for removing the electrical box and replacing the compressor.
Instructions for replacing the inverter box and NHC control board.
Step-by-step guide for downloading and installing software updates.
Guidelines for checking refrigerant charge, leaks, and charging procedures.
Checklists for pump maintenance and testing the high-pressure switch.
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General