Siemens SINUMERIK 840D sl Equipment Manual page 41

Figure 7-1
Fan design
• The fan must be positioned to produce an optimum heat dissipation. A clearance of 10 mm
must be maintained in front of the fan.
• The inlet and outlet slots must remain free for the open-circuit ventilation.
• Air filters must be provided to maintain the permitted environmental conditions.
Operator panel front: OP 010S
Equipment Manual, 12/2022, A5E50751046B AA
Means of heat dissipation
NOTICE
Damage to the operating components caused by temperatures that are too high or too
low
Contaminated air filters impair the desired heat dissipation. For handling the air filters, pay
attention to:
• Proper handling
• Regular replacement
• Correct disposal
7.3 Ambient climatic and mechanical conditions
Technical specifications
41