Kohler KGP, Manual

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TP-6461 1/08 64 Section 4 Controller Test and Replacement
4.5.5 Test Sequence of Operation
Test Function is Activated (Unloaded)
1. The generator set is signaled to start.
2. The generator starts and the standby source
becomes available.
3. The load bank control is activated.
Test Function is Deactivated (Unloaded)
1. The load bank control is deactivated.
2. Time delay engine cooldown times out.
3. The generator is signaled to stop.
Test Function is Activated (Loaded)
1. The generator is signaled to start.
2. The generator starts and the standby source
becomes available.
3. Time delay preferred-to-standby and pre-transfer
load control sequences time out.
4. Load control contacts open.
5. Contactor transfers to standby.
6. Post-transfer load control sequences time out.
7. Load control contacts close.
Emergency Source Fails (Normal Source is
available)
1. Test function is de-activated.
2. Load control contacts open.
3. Contactor immediately transfers to preferred.
4. Immediate failure to acquire standby alarm.
5. Post-transfer load control sequences and time
delay engine cooldown time out.
6. Load control contacts close.
7. Engine start contacts open.
Test Function is Deactivated (Loaded)
1. Time delay standby-to-preferred and pre-transfer
load control sequences time out.
2. Load control contacts open.
3. Contactor transfers to preferred.
4. Post-transfer load control sequences and time
delay engine cooldown time out.
5. Load control contacts close.
6. The engine start contacts open, signalling the
generator to stop.
Generator set engine start
contacts close
Test started
Test ended
Time delay engine cooldown (TDEC)
(as programmed)* (default = 0)
Generator set engine start
signal removed
Load bank control output
activated (as programmed*)
Load bank control output
deactivated (as programmed*)
* See the Setup Program Operation Manual.
Figure 4-8 Test Without Load Sequence