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NOTES ON VARIABLE OUTPUT CONTROL
• When RJ cables are connected to the ballast's control ports, turn the knob to "PX". To disconnect
the ballast from the controller, the knob should be returned to the variable output button before
removing the RJ cables from the ballast, otherwise, the ballast will be shut off.
• This ballast has built-in hot-restrike programming to protect the lamp and ballast in the event of
the ballast turning off unexpectedly. The ballast will not attempt to restart a hot lamp for at least
15 minutes. If your lamp fails to start immediately, DO NOT cycle the power on and off. This can
damage the lamp and ballast. If after 30 minutes your lamp is still not lit, shut off power to the
ballast, and reconnect. This will begin the startup sequence again
Main Voltage – Rated input voltage range for the ballast.
Operating Voltage Range – The acceptable operating range for input voltage to the ballast. Deviations
from the rated numbers may result in decreased ballast performance and additional case generated
heat.
Max Input Power – Maximum possible wattage draw of the ballast.
Amperage – Input current or draw.
Power Factor – A measurement of how effectively the ballast converts electrical current to useful
power output, in this case, output to the lamp. Power factor is measured between 0-1; the closer you
get to 1, the more effective the circuit is said to be. The ballast's power factor is greater than .99.
Ignitor Voltage – Ballast output during ignition sequence.
THD (Total Harmonic Distortion) – A measurement of all harmonics present in a circuit. The higher
the number, the more stress is applied to internal parts, the lamp, and the power grid. Generally, a
number below 10% is considered desirable in an electronic ballast application.
CF (Crest Factor) – A measurement of how "clean" the ballast power output wave is. A perfectly clean
output sine wave would have a CF of 1.414. Given that some harmonics must exist in an electrical
system, the crest factor must always be higher than 1.414. Therefore, the closer the ballast is to a CF of
1.414, the easier it is on the lamp.
ta (Ambient Temperature) – Maximum rated ambient temperature for the ballast area. Excessive
ambient temperature can result in ballast failure, safety shutdown, or lamp failure.
tc (Case Temperature) – Maximum temperature that the case of the ballast should reach. If the case
temperature exceeds this number, the ballast may be malfunctioning or the ambient temperature may
exceed the rating.
INSTRUCTIONS
DEFINITION OF TERMS
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