Siemens NXAIR Operating Instructions Manual page 305

Remove the connecting elements (2) from the heater (1), and store them:
•
2 nuts M8 with contact washers and plain washers (2)
Install the heater (1) into the available side of the switching-device compartment.
Remove the connecting elements (4) from the heater support (3), and store them:
•
2 bolts M8x20 with contact washers (4)
Install the heater support (3) into the available side of the switching-device compartment.
2
Fig. 560: Contactor panels with panel width
435 mm only: 2 bolted joints on the
heater
Remove the connecting elements (6) from the left part of the partition (5) to the connection
compartment and store them:
•
7 bolts M8x20 with contact washers (6)
Remove the left part of the partition (5), and store it
Remove the connecting elements (8) from the right part of the partition (7) to the connection
compartment and store them:
•
4 bolts M8x16 with contact washers (8)
Remove the right part of the partition (7), and store it.
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Accessing the connection compartment through the front
1
NXAIR / ≤ 40 kA
3
Fig. 561: Contactor panels with panel width
435 mm only: 2 bolted joints on the
heater support
4
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