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Fujitsu ASU-RLF User Manual

Fujitsu ASU-RLF
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Fujitsu ASU-RLF Coil Cleaning
Disassembly Instructions
ALWAYS SHUT OFF POWER BEFORE ANY WORK
IS PERFORMED
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Fujitsu ASU-RLF Specifications

General IconGeneral
Cooling Capacity2.5 kW
Heating Capacity3.2 kW
RefrigerantR32
InverterYes
Power Supply220-240V, 50Hz
TypeWall-mounted

Summary

Coil Cleaning and Disassembly Procedures

General Safety Warning

Always shut off power before performing any maintenance or work on the unit.

Removing the Front Cover and Filters

Instructions to remove the front cover, air filters, and initial screws.

Prying Off the Top Cover

Gently pry the top cover off using a flat head screwdriver at specified locations.

Disconnecting Thermistors and Electrical Components

Remove room/pipe thermistors and unscrew the electrical section.

Separating Coil and Disconnecting Wires

Separate the coil from the blower wheel/drain pan and disconnect field wires.

Removing Fan Assembly and Drain Line

Drop out the fan section, unclip the unit, and disconnect the drain line.

Cleaning the Air Conditioner Components

Evaporator Coil Cleaning

Protect surrounding areas and use a non-acidic cleaner on the evaporator coils.

Drain Pan Cleaning and Drying

Clean the drain pan after removing the blower wheel and ensure it is dry before reassembly.

Blower Wheel Cleaning and Lubrication

Wash the blower wheel with warm water, dry thoroughly, and lubricate the fan holder.

Mold Prevention and Maintenance Tips

How to Avoid Mold and Mildew Growth

Prevent mold by inspecting/cleaning filters and coils, sealing holes, and wrapping pipes.

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