Install Manual

5. Startup and Configuration8-2019
73A062J678 (Issue 2) Copyright © 2019 Cummins Inc.
5.11 Manual Start Sequence (Local)
NOTICE
If the utility power supply to the generator set's utility powered battery
charger is interrupted, the battery can become discharged due to parasitic
loads and the generator set may not start when needed. Whenever utility
power is interrupted and the generator set is not in Standby mode for any
reason (fuel preservation, etc.), start and run the generator set for 2 hours
every 24 hour period when temperatures are above 50 °F (10 °C), or every 9
hour period when temperatures are below 50 °F (10 °C).
The following steps will be executed when Manual Start is used at the local display:
1. If you do not want the ATS to transfer load to the generator set, open the
generator set mounted circuit breaker when doing a manual start.
2. From the Main screen, select the START key.
3. A second screen appears notifying the operator that Standby will be disabled.
Select the START key again to start the generator set.
4. After the generator set reaches rated voltage and frequency, the transfer switch
transfers the building load to the generator set (unless the circuit breaker on the
generator set is "off"). The building's electrical power is now provided by the
generator set.
FIGURE 34. GENSET POWER
5.12 Checklist
Tick Area
General
Generator set output is sufficient to handle maximum anticipated load.