Avtron K711D36027 Manuale - Pagina 11

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Operation
5.
The resistive loading is selected by toggle switches, using any one or combination of the
toggle switches to make up a given load.
6.
By placing the MASTER LOAD switch to the ON position, the preselected load will be
applied to the power source.
7.
Any available load step can be added or removed as required while the MASTER LOAD
switch is closed (ON).
8.
To remove the load, open the MASTER LOAD switch by placing it in the OFF position.
MANUAL SHUTDOWN PROCEDURES
1.
Place the MASTER LOAD switch to the OFF position.
2.
Place the control power ON/OFF switch to the OFF position, and other switches on the
control panel should be turned OFF.
3.
Shut down the power source/sources.
4.
Disconnect the Load Bank from the power source(s).
AUTOMATIC OPERATION
1.
Place all switches on the control panel to the OFF position. Place MODE SELECT
MANUAL/AUTOMATIC operation toggle switch to the AUTOMATIC position.
2.
Verify that all electrical connections (Control, Load, and Grounding) to the Load Bank have
been completed as described in the INSTALLATION section.
3.
Place the control power ON/OFF switch to the ON position. The control power light will be
energized, indicating control power is present. The AUTO ON light will also be energized.
4.
When the programmed test cycle begins, a generator start signal will bring the engine
generator on-line. The Load Bank will add load steps in increments of 100, 150, 150, and
200 kW. After the programmed exercise period has expired, the load steps will be removed.
An adjustable generator cooldown period will allow the generator to operate in a no-load
condition. Refer to schematic D36028 for field adjustable functions and settings.
EXERCISER/CONTROLLER THEORY OF OPERATION
4-2
Avtron Load Bank