User's Manual Part 1

Table Of Contents
Chapter 3 Installation
2098.0188.72 - 3.13 - E-1
Fig. 8 Ventilation opening
Note The ventilation openings on vacant slots (without amplifiers) have to be closed.
4.4 Checking Differential Pressure Gages
For the differential pressure gages to be able to measure the pressure between the fans
and the environment, the covers must be removed.
Make sure that the covers of both differential pressure gages on the left side have been
removed.
Fig. 9 Differential pressure gage without cover