ABB OTM C Series - Impulse Control

23
1SCC303002M0204, rev. D
Installation and operating instructions, OTM_C
Figure 6.7 Locking the electrical operation
6. Operating
6.3 Locking
You can lock the motorized change-over switch to a specic position.
6.3.1 Locking the electrical operation
To disable electrical operation, lock the locking latch with a padlock. After the locking latch has been
locked, the change-over switch cannot be operated electrically. You can lock the electrical operation in
all positions (I, 0, II).
To lock electrical operation:
1. Pull up the locking latch under the change-over switch panel.
2. Place the padlock under the latch, see Figure 6.7.
The handle cannot be attached when electrical operation is locked.
6.3.2 Locking the manual operation
By default, manual operation can only be locked to position 0. Locking to position I and II is optional and
possible only with modications to the switch panel.
To lock manual operation:
1. Turn the handle to the required position.
2. Pull out the clip from the handle and place the padlock on the handle; see Figure 6.8