Kohler KEP User Manual

TP-6745 7/10 59Section 3 Controller Test and Replacement
3.6.5 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 expires.
3. The generator is signaled to stop.
Test Function is Activated (Loaded)
1. Engine start contacts close, signalling the
generator set to start.
2. The generator starts and the standby source
becomes available.
3. Pretransfer load control time delays operate.
4. Load control contacts open.
5. Transfer time delay preferred-to-standby expires.
6. Utility breaker opens.
7. Off-to-standby time delay expires.
8. Emergency breaker or switch closes.
9. Load control contacts close as post-transfer load
control time delays expire.
Emergency Source Fails (Normal Source is
available)
1. Test function is deactivated.
2. Immediate failure to acquire standby alarm.
3. Load control contacts open.
4. Emergency breaker or switch opens.
5. Off-to-preferred time delay expires.
6. Utility breaker closes.
7. Post-transfer load control sequences and time
delay engine cooldown time out.
8. Load control contacts close.
9. Engine start contacts open.
Test Function is Deactivated (Loaded)
1. Transfer time delay standby-to-preferred and
pretransfer load control sequences time out.
2. Load control contacts open.
3. Emergency breaker or switch opens.
4. Off-to- preferred time delay expires.
5. Utility breaker closes.
6. Post-transfer load control sequences and time
delay engine cooldown time out.
7. Load control contacts close.
8. The engine start contacts open, signaling 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 3-13 Test Without Load Sequence

Kohler KEP Specifications

General

Brand	Kohler
Model	KEP
Category	Switch
Language	English