Christie CP2000-ZX Guide d'installation Page 49

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Section 4: Maintenance
CP2000-ZX Setup Guide 4-3
020-100098-04 Rev. 1 (06-2009)
4.2.2 Other Components
In a normal operating environment check, clean and treat the components listed below every 6 months or so to
help ensure proper lamp and projector function.
Lamp Fan
Do not bend the impeller blades or loosen the balancing weights.
A clogged lamp fan impeller or motor can reduce air flow leading to possible overheating and failure of the
lamp. Clean/treat the impeller as follows:
1. Vacuum loose dirt from the lamp fan impeller.
2. If necessary, use a brush with hot water and suitable detergent.
Igniter
Clean the high voltage terminal and insulator to remove accumulated dust or dirt.
Airflow Interlocks
* 600 CFM is required in projection rooms with ambient temperature above
25
°C or elevation (above sea level) greater than 3000 feet.
The CP2000-ZX uses two airflow interlocks; lamp fan vane switch and extractor vane switch.
The lamp fan vane switch is located within the lamp cooling compartment. The extractor vane switch is
located just inside the top duct on the projector lid. Check and if necessary, clean the switches to remove
accumulated dust or dirt that could impede movement. Within the exhaust duct connected at the top of the
projector, adequate airflow must be maintained and routed outside of the building. Inspect regularly and
confirm that 1) there are no obstructions or “kinks” within the ducting, 2) all air intake areas are unobstructed,
and 3) exhaust airflow is at least 450 CFM*
(measured at the end of the duct when not connected to the
projector). Refer to Section 3.2
Maintaining Proper Cooling
Laminar Airflow Device (LAD)
Whenever checking/replacing the air filter on the side of the projector, also visually check the small square
laminar airflow device (LAD) filter just beyond the filter opening. The LAD filter should be nearly white in
color. If it appears a dark gray color (rare) it will require replacement by a qualified technician only. Contact
Christie or your dealer.
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