Replacing FA-430 Filters
Replacing FA-430 filters regularly is important to maximise the operational efficiency and efficacy of the equipment and to ensure the best protection for users.
Replacing the Pre-filter
1. When the pre-filter light is lit, it is time to replace the pre-filter.
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2. Turn the knob to the "Reset Position" with the power switch on (the fan will stop).
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3. Open the upper cover and remove the pre-filter only. Replace a new pre-filter on top of the main filter (ensure no gaps at the corner).
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4. Close the upper cover and turn the knob back to the original settings after replacing the pre-filter.
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Replacing the Main Filter
1. When both the main filter and the pre-filter lights are lit, replace the main filter with a brand new one. It is important to use a new filter instead of lifting and putting the old one back down to ensure proper filtration.
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2. Turn the knob to the "Reset Position" with the power switch on (the fan will stop).
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3. Open the upper cover and remove both the pre and main filters. Replace the main filter and pre filter (A1573 HEPA main filter may be used for extra protection).
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4. Close the upper cover and turn the knob back to the original settings.
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**The pre-filter light will light up when the system reaches 200hr mark or when the system's airflow is restricted, causing a small vacuum effect which makes the motor run faster. The main filter light will light up after the 10th pre-filter change or when the system reaches 2000hr operation mark.
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