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Lenses 5
ULTRAPAR UP1200
Disassembling the lamp casing / installing a lamp2.1
Lamps that have been damaged, must be replaced immediately! Please proceed as follows to
replace the lamp:
The lamp gets very hot during operation of the spotlight, so let it cool down sufciently +
before you attempt to dismount it!
Disconnect the spotlight from the mains power supply, and unscrew the thumb screw on the rear =
of the lamp casing {3} (G 9.5 socket).
Carefully pull out the lamp casing = {3} from the rear part of the spotlight.
Carefully take the lamp out of its carton, by holding it at its socket: =
Never touch the glass bulb of the lamp, as this can reduce the lamp’s service life con- +
siderably. If you touch the glass bulb during installation, wipe it clean with a lint-free
cloth damped with ethyl alcohol (spirit).
Depending on socket type, use the corresponding temperature-resistant rubber adapter pro- =
vided.
Press the lamp socket (and the rubber adapter) into the holder inside the lamp casing = {3} until
the lamp is safely mounted in place. The entire bottom side of the lamp socket must be in contact
with the casing.
Remount the casing and connect it to the grounding cable = {2} coming from the spotlight. Fasten
the thumb screw until the casing is safely mounted in place.
Avoid touching the reector with bare hands. Oily nger marks can bake onto the glass surface =
and substantially lower optical quality.
Lenses3.
Your ULTRAPAR spotlight is delivered with four glass lenses.
Never use your ULTRAPAR without the protective mesh in combination with the color +
frame because it prevents direct contact with the hot lamp surface. It also prevents pieces
of broken glass from uncontrollably dispersing in the event of the lens being broken.
The shape of each lens determines the light beam produced by the spotlight (Fig. 3.1). Also, use the
turnable lens ring to optimally adjust the direction of the light beam.
Name Quality Properties
Narrow-spot lens Transparent glass Round beam (15°)
Spot lens Grain screen glass Round, slightly diffuse beam (19°)
Medium ood lens Glass with few facets Oblong beam (21° x 34°)
Wide medium ood
lens
Glass with many facets Oblong beam (30° x 51°)
ULTRAPAR lenses and their featuresFig. 3.1:
Defective lenses (scratches, cracks, etc.) must be replaced immediately. +