Strong International XENON FXPS, Instruction Manual

INSTALLATION

 (continued)

OBSERVING ALL SAFETY PROCEDURES, install a xenon bulb of the desired

wattage into the  lamphouse.  Check the bulb manufacturer’s documentation to determine the recom-

mended current range of the bulb.   A new bulb is normally first operated at “nominal” current, which

is around 85% of the maximum level.   DO NOT, at any time, exceed the maximum current level

specified by the bulb manufacturer.

IGNITE THE XENON BULB and check the current as indicated on the lamphouse

ammeter.   Allow (30) seconds for the current to stabilize and provide an accurate reading.   If the

current is not within the desired range,  extinguish the bulb.  It will be necessary to increase or de-

crease the DC output.

WARNING

Turn off ALL primary AC power before making any

adjustments or performing service procedures.  Allow

several minutes for the capacitors to drain stored en-

ergy.  The power supply normally operates warm to hot;

allow the unit to cool to room temperature.

OUTPUT CURRENT ADJUSTMENT

Fine  adjustment

  of  the  DC current is made to the 

NUMBERED

 taps found on the upper three

terminal blocks (TB4,  TB5,  TB6).  Fine taps  are numbered 1-2-3-4,  with “1” providing the 

lowest

output, increasing to “4,” yielding the 

highest

 output.   A “fine” tap adjustment raises or lowers the

current approximately four amperes.  The three fine tap terminal blocks are interconnected by means

of a  three-lead  jumper wire assembly attached to like-numbered terminals.

  • To 

increase

 the DC output, move the jumper wire assembly to tap the next (3) 

higher

 numbered

terminals, for example, move from terminals “2” to terminals “3.”  ALL TAPS MUST BE ON THE

SAME NUMBERED POSITION (1-1-1, 2-2-2, 3-3-3,  or 4-4-4).   If the DC output is still too low

when terminals “4” are interconnected,  see the following instructions for adjusting 

“coarse”

 taps.

  • To 

decrease

 the DC output, move the jumper wire assembly to tap the next (3) 

lower

 numbered

terminals,  for example, move from terminals “3” to terminals “2.”  ALL TAPS MUST BE ON THE

SAME NUMBERED POSITION (1-1-1, 2-2-2, 3-3-3, or 4-4-4).   If the DC output is still too high

when terminals “1” are interconnected, see the following instructions for adjusting 

“coarse”

 taps.

Coarse  adjustment

  of the DC current is made to the 

LETTERED

 taps found on the lower three

terminal blocks (TB1, TB2, TB3).  Coarse taps are lettered W-X-Y-Z,  with “W” providing the

 lowest

output, increasing to “Z” at the 

highest

 output.  The coarse tap terminals connect to contactor termi-

nals T1, T2, and T3.  The (3) contactor leads  must  connect to the same lettered step (W-W-W,  etc.).

A  “coarse” tap adjustment raises or lowers the current approximately twelve amperes.

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