Connect External Exhaust Ducting - Christie CP4230 User Manual

2.8

Connect External Exhaust Ducting

Connect the existing outside-venting ductwork to the 8 inch
diameter exhaust port on the top of the cinema projector.
Confirm that there are no obstructions or bends in the
ducting, all air intakes are free of obstructions, and the vane
switch at the exit duct moves freely.
The pre-installed outside-venting duct should be rigid at the
cinema projector and must also include a heat extractor and
blower that maintains a minimum of 450 CFM* when the
cinema projector is operating at less than or equal to 25°C
ambient and less than 3,000 feet, when measured at the
cinema projector exhaust opening.
WARNING
• *600 CFM is required in projection rooms with an
ambient temperature above 25°C or located at an
elevation greater than 3000 feet above sea level.
• At minimum, a 10" long, strong metal duct must be installed at the cinema projector to pre-
vent glass shards from exiting the duct in the event of a lamp explosion.
CP4230 User Manual
020-100621-03 Rev. 1 (05-2014)
Section 2: Installation and Setup
2-9