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General| Brand | Fujitsu |
|---|---|
| Model | AJY072LELAH |
| Category | Air Conditioner |
| Language | English |
Guidelines for choosing a suitable site for unit placement, considering weight and environmental factors.
Procedures for correctly draining condensate water from the unit to prevent property damage.
Required clearances and space specifications for proper unit installation and ventilation.
Details on optional kits required for connecting multiple indoor units to the outdoor unit.
Information on optional kits for establishing external electrical and operational connections.
Safe methods and essential precautions for moving the outdoor unit during installation.
Step-by-step instructions for physically mounting the outdoor unit onto its foundation.
Overview of how the system components, including indoor and outdoor units, are connected.
Guidance on selecting appropriate refrigerant piping sizes based on system design and capacity.
Methods to protect refrigerant piping from damage and environmental factors.
Techniques and safety measures for brazing refrigerant pipes, including nitrogen gas application.
Instructions for correctly connecting refrigerant pipes to the indoor units.
Procedures for creating and preparing openings for pipe and cable entry into the unit.
General instructions and precautions for making refrigerant pipe connections.
Proper techniques for bending refrigerant pipes to avoid damage and ensure functionality.
Steps to safely remove pinch pipes before connecting refrigerant lines.
Illustrative examples of various pipe connection configurations for clarity.
Important safety notes and procedures when handling the unit's refrigerant valves.
Essential safety warnings and precautions for performing electrical work on the unit.
Guidelines for creating and preparing openings for electrical wiring entry.
How to choose the correct power supply cables and circuit breakers based on specifications.
Specifications, rules, and requirements for communication wiring.
Procedures and diagrams for correctly connecting electrical wiring to terminals.
Connecting external devices and signals for control and monitoring purposes.
Overview of the switches used for configuring unit settings and modes.
Instructions for configuring the unit's operational parameters using DIP switches.
How to set terminal resistors for ensuring proper network communication.
Adjusting rotary switches for various settings like refrigerant address and operation modes.
Using push buttons on the PC board to configure unit settings and modes.
Setting network addresses for signal amplifiers to ensure proper system communication.
Setting network addresses for indoor units, either manually or automatically.
How to measure transmission cable resistance to diagnose communication issues.
Performing leak tests on refrigerant piping joints using nitrogen gas.
Evacuating the refrigerant circuit to remove air and moisture using a vacuum pump.
Procedures for adding the correct amount of refrigerant to the system.
Applying insulation to refrigerant pipes to prevent condensation and heat loss.
Sealing openings with putty to prevent ingress of water, pests, or air.
Verifying correct connections and communication between indoor and outdoor units.
Understanding and interpreting system error codes displayed on the unit's indicators.
Essential checks to perform before initiating a system test run for safety and functionality.
Step-by-step procedure for conducting operational test runs of the air conditioning system.
A final checklist to ensure all installation and setup steps are completed correctly.
Codes indicating the normal operating status and modes of the unit.
Codes that identify system malfunctions, errors, and protective actions.
General product information, specifications, and manufacturer details.
