Table of Contents
Advertisement
3. Description
3.2 Automatic operation
OTM_C_21D must be in automatic mode and the "AUTO" LED is on in order that the switch
can perform automatic transfer cycles according to the pre-set operating mode.
To operate the switch electrically:
If the handle inserted:
1. Press handle locking clip and remove the handle from the switch.
2. Press "AUTO" button and the "AUTO" LED will be ON, indicating automatic mode.
If handle is not inserted
1. If "AUTO" LED blinks, press "AUTO" button and the "AUTO" LED will be ON, indicating
automatic mode.
2. Automatic operation includes three operating modes: Line 1 priority (factory default setting),
No line priority, and manual back switching mode.
Figure 6. Selecting the automatic transfer OTM_C_21D switch to Auto Mode
1
1SCC303015M0201 l ABB Installation and operating instructions, 34OTM_C_21D rev. B
2
3
9
Advertisement
Table of Contents
