Avtron 1035409, Руководство пользователя

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Operation
Avtron Outdoor Load Bank • Part Number K875A 1035409
4-4
AUTOMATIC OPERATION PROCEDURE
1. Place the AUTO/MANUAL selector switch to the AUTO position.
2.
Start the generator under test.
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 light will also be
energized.
4.
Customer interface connection points are described as follows:
A. (120 VAC LOW): 120 VAC LOW return for pilot relays TB300(1). Reference
Interconnection Diagram 1036580.
B. BLOWER ON (120 VAC HI): A contact closure to TB300(2) will enable the blower
circuit. Reference Interconnection Diagram 1036580.
C. FIXED LOAD STEP INPUTS (120 VAC HI): A contact closure to the respective
terminal on TB300 will turn on the load step. TB300(3)-(6). Reference
Interconnection Diagram 1036580.
D. AIR FAILURE: A set of contacts is brought out to TB300(10,11,12) for customer
usage. Reference Interconnection Diagram 1036580.
E. OVER TEMP: A set of contacts is brought out to TB300(13,14,15) for customer
usage. Reference Interconnection Diagram 1036580.
F. BLOWER ON: A set of contacts is brought out to TB300(16,17,18) for customer
usage. Reference Interconnection Diagram 1036580.
G. GND: Ground TB300(GND). Reference Interconnection Diagram 1036580.
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C A U T I O N
Voltage must not be connected to the Load Bank resistance elements
if the airflow switch has not closed. It is the customer’s responsibility
to ensure all load is dropped if an air failure is detected. DO NOT
jumper out the air switch to prevent nuisance tripping.
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