A53 Z0 9 0020 L En Technical documentation
Chapter : Predefined configuration
In Change over mode, as shown in Table 9, the generator starts and takes the load when a mains electrical
fault occurs. When mains power returns, the generator breaker is opened and the mains breaker is closed
after a pre-set delay.
For the generator to start when mains failure occurs, either a protection (mains or other) or a digital input
has to be configured as a "Mains electrical fault". (See Figure 18)
If remote start is on when mains are present the generator starts, GENSYS 2.0 opens the mains breaker,
then closes the generator breaker and takes the load. (See Figure 19)
Figure 18 – Typical sequence in change-over mode on mains failure
T1 : Fastest mains failure
T2 : Switch over delay [E1459]
T3 : Genset ready
T4 : Mains back delay [E1085]
T5 : Switch over delay [E1459]
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