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2.3
In-the-Ceiling Type (RPI-8FSG1 and RPI-10FSG1)
2.3.1 Removing Long Life Filter
The air intake grilles are field-supplied. Therefore, there is a case that the replacement of the long life
filter is not easily performed depending on the installation manners.
Check it carefully.
2.3.2 Removing Printed Circuit Board (PCB)
(1) Loosen four (4) screws fixing the electrical box cover and remove the electrical box cover by lifting it
upwards.
(2) The PCB is fixed with four (4) PCB holders. Clamp the center of the PCB holders by a long-nose
plier and pull out the PCB.
Electrical Box Cover
ATTENTION:
Do not touch any parts on the PCB.
Do not apply a strong force to the PCB, or it will cause malfunction of the PCB.
TURN OFF all power source switches.
Screws
PCB
Tool
Phillips Screwdriver, Long-nose Pliers
Expanded Part
of Holder
PCB
PCB Holders
SERVICING
(2.3 In-the-Ceiling Type)
2-51
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Troubleshooting
