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6 Maintenance
This section provides information and procedures for performing projector maintenance. You should read
through this section in its entirety before performing maintenance activities. When you perform projector
maintenance, obey all warnings and precautions.
ELECTRICAL SHOCK HAZARD! Always turn off, disconnect, and disengage all power sources to
the projector before servicing. Failure to comply results in death or serious injury.
Only Christie accredited service technicians are permitted to open any enclosure on the
projector and only if the AC power has been fully disconnected. Failure to comply could
result in minor or moderate injury.
6.1
Ventilation
Vents and louvers in the projector covers provide ventilation, both for intake and exhaust. Never block or cover
these openings. Do not install the projector near a radiator, heat register, or within an enclosure. To ensure
adequate airflow around the projector, keep a minimum clearance of 50cm (19.69") on the left, right, and rear
sides of the projector.
6.2
Filling the Coolant Reservoir
DANGER
glycol. Use caution when handling. DO NOT ingest
WARNING
unapproved coolant can result in projector damage and voids the projector warranty
The liquid cooler system sends and receives coolant from the digital micromirror device (DMD) heat sinks.
Check the coolant level every 6 months, by removing the top projector lid. The coolant level should always be
above the minimum level indicator. If the liquid cooling system fails, an over-temperature alarm window
appears in the Touch Pad Controller (TPC). The lamp turns off if the projector enters an over-temperature state
for longer than one minute.
Top up the coolant with the Christie approved coolant JEFFCOOL E105. Use the refill bottle (with the nozzle)
provided in the Liquid Coolant Fill Service Kit (P/N: 003-001837-xx). When refilling, use caution not to spill
or let any of the coolant drip on or near the electronics. After filling the reservoir, check the coolant hoses for
kinks which may restrict fluid flow.
If coolant drips on electronics or other components, blot the affected area using a dust-free optical grade tissue.
It is recommended you blot a few times, discard the tissue and use a new tissue to blot the area again. Keep
repeating this cycle until the coolant is removed. Then lightly moisten a new tissue with de-ionized water and
blot the area again. Use a dry tissue to dry the area.
D4K35 Setup Guide
020-100855-02 Rev. 1 (09-2014)
HAZARDOUS SUBSTANCE! The coolant used in the projector contains ethylene
Only use coolant recommended by Christie in your projector. Using
.
6-1
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