For information on troubleshooting, service, replacement parts, see: Load Bank user manual
Safety
Arc Flash safety … (add details)
Connecting and disconnecting cables between Sources and Loads must be done by a qualified DKIST Tech.
Setup to Load test the Generator
… add detail and photos
Open Automatic Transfer Switch front door. Select ‘Inhibit’ on the toggle switch mounted on the ATS cabinet door.
Locate the Load Test cables. There are two sets of 4 cables. Each cable has a CamLok connector at each end.
Route cables from Automatic Transfer Switch to Load Bank
Connect 8 cables to the matching color at the ATS and at the Load Bank.
Setup to Load test the 300KVA UPS
… add detail and photos
Before turning on the load bank
Load Bank requires Key 23 to unlock the control cabinet door and side doors.
Check for any abnormalities , loose wire, blocked vents, foreign objects
Ensure circuit breaker is closed and ready to provide control power to load bank.
Start the Load
Start the load source (generator or UPS).
Ensure the Load Bank Fan/ Control Power Disconnect Switch, located on the door, is in the on position.
Check the Load Bank intake areas, located (bottom of the Load Bank), to ensure that vents are not blocked by paper or other debris that would prevent the cooling fan from pulling in air.
Turn on the Load Bank
On the HMI, turn on the load bank by pressing the Control Power button (upper left corner of the screen)
Verify that the Load Bank fan is operating normally.
Enter Manual Mode
Press the “F1 - Manual Mode” on the screen.
Set the Test Load
In the upper right area of this screen a display indicates the Load to be applied, measured in kilowatts.
To change this value, touch the number and enter the new value on the numeric keypad that appears.
Enter the desired Load Value and press the ↵ button to return to the previous screen, or press “Esc” to return to the main screen without changing the value.
In the lower right quadrant of the screen is the KW Jog value. This indicates by how many kilowatts you will increase or decrease the load by pressing the “-” and “+” buttons, respectively.
To change this Load Value, press the number and enter your choice using the numeric keypad.
Set the Test Load
To begin testing, press the “Master Load” button. This will activate the load bank and begin applying the load displayed in the upper right area of the screen. To quickly decrease or increase the load, press the “-” and “+” buttons.
If ‘Load Dump Active’ appears on the HMI
Press the ‘Settings’ button
Enter security code 4831600
HMI returns to main screen
Press the ‘User Settings’ button
Press the ‘Load Dump Bypass’ button
After testing
Turn off Load Bank
Disconnect test cables between Source and Load
Inspect Load Bank …
If the Source is the Generator: at ATS cabinet: select Run