INSTALLATION (continued)
GREEN RED
observe |
| operate |
these lights |
| this switch |
GREEN | RED | AMBER |
Figure
3 --- Electrical Operation
This procedure will check the electrical operation of the Automatic
Close the enclosure door first !
Transfer Test
Both normal and emergency sources must be available and the emergency source generator (if used) must be capable of being started in this procedure.
Perform steps 1 through 5 at the right. Observe the status lights.
QBlack square means light is on. S White square means light is off.
This completes the Functional Test of the ADTS.
Turn and hold Transfer Control switch clockwise to Transfer
1Test until the engine starts and runs (within 15 sec.). The Emergency Source Accepted light should come on.
Transfer switch CN opens and the Transfer Switch Connected
2to Normal light should go off and the Load Disconnect Active light should come on. Both CN & CE contacts are now open.
After the delay transition time delay, the CE Transfer switch will operate to the Emergency
3position. The Transfer Switch Connected To Emergency light should come on and Load Dis- connect Active light goes off.
Transfer switch will operate back to Normal position after Feature 3A time delay. For im- mediate retransfer turn Transfer
4Control counterclockwise to Retransfer Delay Bypass. The Transfer Switch Connected To Normal light should come on; Transfer Switch Connected to Emergency light should go off.
The
5(unloaded running engine cool- down). The Emergency Source Accepted light should go off.
Load
Disconnect
Active
Load
Disconnect
Active
Load
Disconnect
Active
Load
Disconnect
Active
Load
Disconnect
Active