5. Physical installation
5.2 Installation of the exhaust system
About Exhaust
The exhaust stack at the top side of the projector is designed to fit a 201m m (7.91inch) diame ter duct. This size must be used
throughout the entire system and installed to eliminate any possibility of downdraft or rain dr ipping into the lamp house.
CAUTION: The exhaust system must be capable of rem oving minimum 4m
3
/min (140 CFM), m ea sured at the
projector’s exhaust opening. Although not obligatory, Barco also advises to limit the amount of extraction to
a m aximum of 5m
3
/min (180 CFM). Excessive air extraction can dramatically speed -up contamination
of the
projector air inlet filters, hence requiring more regular filter cleaning in terventions.
CAUTION: The co nnection between the projector d uct an d the exh aust system should be done with a flexible
connection piece. This to prevent that vibrations of the external exhaust system disturbs the projected image.
WARNING: The exhaust system must match the duct of the projector seamless. No gap m ay exist b etwe
en
the connection of the duct and the exh aust sys tem. This to prevent personal injury due to the UV light that
comes out of the duct of the projector.
Never look into the exhaust output o n the top of the p rojector. High luminance and UV radiation could result in
damage to the eye. T he installation of an exh aust system on top of t he p rojector is mandatory b efore operating
the p rojector.
CAUTION: If more than one projector is installed in a common projection booth, the abo ve exh aust air flow
requirements are va lid for E ACH individual projector head exhaust stack. Note that inadequate air extraction
will result in decreased life expectancy of the projector as a w hole as well as causing premature xenon lamp
failure .
WARNING: Tem perature of exh aust air can ap proach 10 0°C.
How to install the Exhaust stack?
See illustration below:
Image 5-5
To ensure maxim um lamp life, operate the lamp house b lower and the exhaust system for at least ten min utes
after extinguishing the lamp.
R5977692 DP2K-S SERIES 10/12/2012 23
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