External fan unit   
5.2 Overview 
  SINAMICS S120 Combi 
104  Manual, Edition 07/2012, 6SL3097-4AV00-0BP3 
5.2  Overview 
The external fan unit comprises the following components: 
●  Fan cradle with seal for installation in the control cabinet 
●  Connection cables with 4-pin connector 
●  Double fan 
●  Fan support plate 
●  Air baffle plate 
)DQFUDGOH
$LUEDIIOHSODWH
'RXEOHIDQ
6HDO
&RQQHFWLQJFDEOHZLWK
SLQFRQQHFWRU
 
Figure 5-1  External fan unit 
When a fan fails, the complete external fan unit must be replaced.