HP Z420 User Manual page 23

NOTE: The ambient upper limit of 35 C is only good up to 1524 m (5000 ft) elevation. There is
a 1 C per 304.8 m (1000 ft) derating above 1524 m (5000 ft). So, at 3,048 m (10,000 ft), the
upper ambient air temperature limit is 30 C.
For cabinet installation, ensure adequate cabinet ventilation and ensure that the ambient
●
temperature within the cabinet does not exceed specified limits.
Never restrict the incoming or outgoing airflow of the workstation by blocking any vents or air
●
intakes as shown in the following figure.
Figure 3-2
Proper workstation placement
Ensuring proper ventilation
15