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Details on selecting appropriate locations for the outdoor unit to ensure proper heat radiation and minimize noise.
Specifies pipe sizes, lengths, and elevation differences for connecting indoor and outdoor units.
Guidelines and requirements for performing electrical wiring work, including compliance with local codes and breaker selection.
Specifications for power supply and connecting cables between indoor and outdoor units, including NRTL recognition.
Instructions and precautions for using appropriate terminals and tightening screws when laying power and ground wiring.
Steps for connecting the cable to the outdoor unit, including earthing work and referring to the wiring diagram.
Instructions on cutting pipes, removing burrs, and preparing flare nuts for connecting pipes to the unit.
Detailed guide on performing flaring work using a dedicated tool, including pipe dimensions and quality checks.
Requirements for pipe thickness, purity, handling, and storage to prevent damage and contamination.
Key principles for refrigerant piping: drying, cleanliness, and airtightness, including causes of failure and countermeasures.
Method for welding refrigerant pipes using nitrogen gas to prevent oxide film formation and ensure proper operation.
Procedure for connecting pipes to the outdoor unit, focusing on aligning and tightening flare nuts with a torque wrench.
Instructions on insulating and securing connecting pipes and drain hoses, with specific methods for outdoor units above/below indoor units.
Steps to prepare for leakage testing, including checking connections, wiring, and removing service valve caps.
Procedure for performing a leakage test using nitrogen gas and soap solution to identify leaks in the system.
Process of removing air and moisture from the system using a vacuum pump to achieve the required vacuum level.
Steps to complete the evacuation process, including opening valves, removing hoses, and replacing caps.
Important precautions before and during test running, including power supply voltage and initial operation mode.
List of items to check after installation is complete, covering air circulation, draining, insulation, and leakage.
Instructions for connecting the power supply cord to an independent power source with a circuit breaker.
Procedure to evaluate performance by measuring intake and discharge air temperatures and their difference.
Guidance on teaching the customer operation and maintenance procedures using the operation manual.
Explains dip switch configurations for various operational modes like Normal, Cooling, Saving Power, and Night Quiet.
Details on the Saving Power Consumption operation, its setting procedure, and current levels for different models.
Information on Night Quiet Mode operation, which reduces outdoor unit noise by adjusting fan speed and frequency.
Procedure for setting Mode Lock to restrict operation modes, including options for Cooling, Heating, and Night Quiet.
Procedure for Forced Cooling Operation, including dip switch settings, LED indicators, and pump down process.
Explains LED indicators (Red and Green) for outdoor unit error codes, showing patterns for different error types.
Guidelines for selecting outdoor unit locations near the seaside, advising on avoiding direct sea wind and using windbreaks.
General
