Chauvet Cosmos LED User Manual download pdf (Page 12)

LED PAR 38-18UV User Manual 12 Rev. 2

5. APPENDIX

General Maintenance

To maintain optimum performance and minimize wear, fixtures should be cleaned frequently. Usage

and environment are contributing factors in determining frequency. As a general rule, fixtures should

be cleaned at least twice a month. Dust build up reduces light output performance and can cause

overheating. This can lead to reduced lamp life and increased mechanical wear. Be sure to power off

fixture before conducting maintenance.

• Unplug fixture from power.

• Use a vacuum or air compressor and a soft brush to remove dust collected on external

vents.

• Clean all glass when the fixture is cold with a mild solution of glass cleaner or Isopropyl

Alcohol and a soft lint free cotton cloth or lens tissue.

• Apply solution to the cloth or tissue and drag dirt and grime to the outside of the lens.

• Gently polish optical surfaces until they are free of haze and lint.

The cleaning of external optical lenses and/or mirrors must be carried out periodically to optimize light

output. Cleaning frequency depends on the environment in which the fixture operates. Damp, smoky

or particularly dirty surroundings can cause greater accumulation of dirt on the unit’s optics. Clean

with soft cloth using normal glass cleaning fluid. Clean the external optics at least every 20 days.

Clean the fixture at least every 30/60 days.

Always dry the parts carefully after cleaning them.

Never spin a fan using compressed air.

Fixture Linking

You will need a serial data link to run light shows of one or more fixtures using a DMX controller or to

run synchronized shows on two or more fixtures set to a master/slave operating mode. The combined

number of channels required by all the fixtures on a serial data link determines the number of fixtures

the data link can support.

Fixtures on a serial data link must be daisy chained in one single line. To comply with the EIA-

485 standard, no more than 32 fixtures should be connected on one data link. Connecting

more than 32 fixtures on one serial data link without the use of a DMX optically-isolated

splitter may result in deterioration of the digital DMX signal.

Maximum recommended serial data link distance: 500 m (1640 ft)

Maximum recommended number of fixtures on a serial data link: 32

Data Cabling

To link fixtures together you must obtain data cables. You can purchase CHAUVET® certified DMX

cables directly from a dealer/distributor or construct your own cable. If you choose to create your own

cable please use data-grade cables that can carry a high quality signal and are less prone to

electromagnetic interference.

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Chauvet Cosmos LED User Manual Page 12