52
How to replace the PPI filter
Introduction
The PPI filters prevent dirt, dust from the ambient air entering the Silencio, and thereby
prevent it entering the shelter/cabinet.
When to replace
The PPI filters only need to be replaced when they are faulty or as a part of the
preventive maintenance. Dantherm Air Handling A/S recommends a replacement of the
PPI filters in a maximum interval of 6 months.
Part number
The PPI filters can be ordered under part number 018925.
Tools
Make sure you have the following tools available before you start:
•
Torx 25 screw driver
Caution!
•
Only trained and certified technicians are allowed to replace parts
•
Switch of both the DC and AC supply before working on the unit
•
Make sure that all work has been performed before switching on the power again
Illustration
This drawing illustrates the PPI filters and where they are placed in the unit:
Continued overleaf
