GENERAL THEORY OF OPERATION
The 150-Watt Dual Halogen Illuminator general operation is as follows. Please
consult Fig. 1 for wiring information.
A.C. POWER DISTRIBUTION
The 150-Watt Dual Halogen Illuminators are based around a switch able input
power transformer. Input line voltages of 100-120 V ˜ and 220-240V ˜ at 50/60
Hz are applied at the Power Input Model via a Hospital grade power cord. The
voltage selector switch located on the rear panel selects the input power. Over
current protection is provided by two 5-amp circuit breakers. A double-pole
interlock switch provides operator safety, which is located on right side of the
lamp heat shield.
INTENSITY CONTROL
A rotating stainless steel disc that is placed in front of the lamp controls intensity.
The disc contains holes in varying sizes and patterns. Manual lamp intensity
control is made via a front panel mounted knob.
COOLING SYSTEM
Cooling is provided by a 76 CFM, 115-VAC fan (Refer to Internal View page five).
Air is drawn through the sides of the unit, across the transformer and lamp, and
exhausted through the rear mounted exhaust louver. Caution should still be
used, as there are still potentially hazardous temperatures at the turret.
LIT054CUDA
Rev. A
(English)
Page 4 of 9
