TSC 80e TRANSFER SWITCH CONTROLLER
PM091 Rev 0 09/01/21 Thomson Technology
18
NOTE
The load will automatically re-transfer to the utility supply should
the generator fail while on load and the utility supply is within
applicable limits.
3.2.2. AUTOMATIC PLANT EXERCISE TEST
The TSC 80e controller provides both pre-programmed and user
programmable automatic plant exercise programs. Refer to SECTION 4.6.3 for
further details on the programmable “Automatic Exercise”. The generator set
will be exercised either “on or off” load dependent upon the controller software
program setting (refer to SECTION 4.6.5.11).
To initiate an automatic plant exercise mode cycle, press and hold the AUTO
GEN EXERCISE TEST pushbutton on the Lexan faceplate until the LED light
above the pushbutton changes state, approximately 5 seconds. Once the
mode is initiated, the engine will immediately start and transfer on load (i.e. if
configured for On Load Test, “factory default is off load test”) once nominal
voltage and frequency levels have been obtained. The engine will remain
operating on load until the plant exercise time delay period of 30 minutes
expires, then the load will re-transfer back to the utility supply. The system will
then be automatically re-tested at the programmed “Automatic Exercise”
Start/Stop/Day/Time.
NOTES
1. The load will automatically re-transfer to the utility supply
should the generator fail while in the test mode.
2. To bypass the exercise run period, press and hold the
Exercise pushbutton on for 5 seconds until the LED remains on.
The Generator Exercise LED light will operate as follows:
LED ON - Exercise Timer is initiated, the programmable 7-14-21-28 day
timer is active and the generator is in the off state.
LED FLASHING - Exercise Timer is initiated, the programmable minute
run timer is active and the generator is running on loads.
LED OFF - Exercise Timer is not initiated and the programmable timer
is not active.
To terminate the Auto Generator Exercise Mode, the Exercise pushbutton must
be held on for approximately 5 seconds until the LED light above the
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