Siemens NXAIR - Page 45

Operating the circuit-breaker panel
110-0134.9 / 14 NXAIR / ≤ 40 kA 45
Ventilation flap in the high-voltage door in operational position
If the position indicator shows that the ventilation flap in the high-voltage door is not in operational position,
bring the ventilation flap into operational position as described in the following.
Procedure
Open the high-voltage door.
Move the ventilation flap (1) on the inside of the high-voltage door from the center of the
lower edge upwards away from the high-voltage door until the mechanism of the position
indicator (2) reaches the end stop (3).
Fig. 54: Inside view of high-voltage door
Now the mechanism holds the ventilation flap in this position by itself.
Close the high-voltage door.
✓
The ventilation flap in the high-voltage door is in operational position.