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Fujitsu ARU-RLF Disassembly Instructions 

Accessing the drain pump, float switch, or heat exchanger

For Models ARU9RLF, ARU12RLF, ARU18RLF, and ARU24RLF

ALWAYS SHUT POWER OFF BEFORE ANY WORK IS PERFORMED!!

Summary of Contents for ARU-RLF

Page 1: ...Fujitsu ARU RLF Disassembly Instructions Accessing the drain pump float switch or heat exchanger For Models ARU9RLF ARU12RLF ARU18RLF and ARU24RLF ALWAYS SHUT POWER OFF BEFORE ANY WORK IS PERFORMED ...

Page 2: ...e float switch remove all the screws from under the unit The only way to access the float and pump is from the bottom of the unit You will also need to remove the screws from the supply and return flanges to allow the bottom to come off ...

Page 3: ...Once bottom of the unit is remove the foam drain pan will be exposed To remove the drain pan remove the screws shown below Then pull down the foam drain pan Pull the return side down first ...

Page 4: ...Once the foam drain pan has been removed the coil pump and float switch should all be exposed You will now be able to remove and replace the pump or float switch if needed ...

Page 5: ... pull the pump down Then cut the zip tie holding the drain hose onto the pump The only thing that should be holding the pump in the unit are the wires Follow the 2 yellow pump wires They should go near the fan and then to the controller board Unplug the blue plug at the controller board and pull the wires towards the pump to completely remove the pump ...

Page 6: ...ed first to gain access to the float switch Once the pump is removed you will see the 2 screws that hold the float screws that hold the float switch in place Remove the 2 screws to remove the float switch from the unit You can now replace the float switch or the pump ...

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