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General| Brand | Fujitsu |
|---|---|
| Model | AJHA54LALH |
| Category | Air Conditioner |
| Language | English |
Guidelines and precautions for handling R410A refrigerant safely.
List of specialized tools required for R410A refrigerant systems.
Details on included accessories for the unit installation.
Guidelines for choosing an appropriate and safe installation site for the outdoor unit.
Instructions for proper drainage system setup to prevent water damage.
Specifications for required space and clearances around the outdoor unit.
Safe methods and precautions for moving the outdoor unit.
Steps and considerations for physically mounting the outdoor unit.
Overview of the system's components and their interconnections.
Guidelines for selecting appropriate piping sizes based on unit capacity and length.
Methods for protecting refrigerant pipes from damage and environmental factors.
Procedure and precautions for brazing refrigerant pipes.
How to connect refrigerant pipes to the indoor units.
Steps for creating openings in the unit casing for pipe routing.
Detailed instructions for connecting refrigerant pipes.
Safe operation procedures for unit valves.
Essential safety guidelines for electrical wiring.
Creating openings for wiring passage and protecting cable edges.
Guidance on choosing appropriate power cables and circuit breakers.
Instructions for wiring the communication and control lines.
Detailed instructions and diagrams for connecting wires.
Location of external input/output terminal blocks on the PC board.
Description of external input terminals and their functions.
Description of external output terminals and their functions.
Overview of the PC board switches for various settings.
Configuration settings using DIP switches.
Setting refrigerant circuit addresses using rotary switches.
Using push buttons on the PC board to configure unit functions.
Procedure for setting addresses for signal amplifiers.
How to automatically set addresses for signal amplifiers.
Methods for manually and automatically setting indoor unit addresses.
Steps to enable the automatic address setting function for indoor units.
Procedure for testing refrigerant lines for leaks.
Steps for evacuating the refrigerant system using a vacuum pump.
Procedure for adding refrigerant to the system.
Installing insulation material on refrigerant pipes to prevent condensation.
Using putty to seal gaps and prevent water entry.
Verifying the connection status between indoor and outdoor units.
Pre-checks required before performing the indoor unit connection check.
Limitations and duration for the indoor unit connection check.
Step-by-step guide for the indoor unit connection check process.
Interpreting error codes displayed during the connection check.
Interpreting LED indicators during normal unit operation.
Understanding LED indicators for error conditions.
Details about the information found on the unit's label.
