APC ACPA4000 User Manual

Replace the air filter every 90 days or sooner if an alarm occurs. Keep the air filter clean to maximize the 
performance and life of the equipment.

Note: For maximum efficiency and to prevent equipment damage, always replace the filter 
with the size and type given below.

1. Slide the filter element out from the rear of the 

equipment.

2. Insert a new air filter (APC part number 

ACPA4000RF).

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