TP-6745 7/10 19Section 1 Scheduled Maintenance
Control Circuit Reconnect Procedure
(when normal source is NOT available)
Do not return the generator set to service until instructed
to do so in the procedure below.
1. Open the ATS enclosure and manually transfer to
utility (IF GENERATOR WAS TURNED OFF).
2. Close the breaker between generator and
emergency side of ATS (if present).
3. Move the control circuit isolation switch to the ON
position.
4. Move the service disconnect switch to the AUTO
position.
5. Return the generator set to service:
a. Reconnect the battery cables, negative lead
last.
b. Reconnect power to the battery charger.
c. Move the generator set master switch to the
AUTO position.
6. The engine start contacts will close because
Normal is not available. Generator set will start.
7. When the generator source is available, the ATS
transfers to emergency.
8. Verify that the ATS controller display shows
emergency source available and ATS in
emergency position. The service disconnect light
on the door should be off.
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