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7
Installation (continued)
Pick Points (suspended installations)
The HPR152i and HPR153i enclosures feature three load-rated pick points.
The HPR122i enclosure features nine load-rated pick points. As shipped
from the factory, each pick point has a bolt or plug installed to retain the
air-tight design of the enclosure. Never operate the loudspeaker with the
pick points open (unsealed) as it will degrade the performance of the
product.
Ensure all pick-point fasteners are installed and correctly
tightened in order to maintain enclosure’s rated strength.
Additionally, air leaks resulting from missing hardware will
degrade the loudspeaker’s performance.
Use only QSC’s M10 forged shoulder eye bolts. Contact QSC
Technical Services department for complete information.
Cooling
This is a self-powered loudspeaker containing an internal power amplifier
that produces heat. Allow a minimum of 6” (152mm) clearance at cabinet
back for convection cooling. Keep anything that might restrict airflow
away from the rear of the enclosure (i.e draperies, fabric, etc...).
Do not use the HPR152i, HPR153i, HPR151i, or HPR181i oriented
horizontally. Horizontal orientation can cause overheating and
thermal limiting. The cooling fins on the amplifier module must be
vertically oriented in order to efficiently dissipate the heat gener-
ated by the amplifier.
Do not install enclosures with their rear panels exposed to direct
sunlight. Direct sunlight will heat the amplifier module and reduce
its ability to produce full output. Install sunshades if the applica-
tion merits.
Maximum ambient temperature for full performance to specifica-
tion is 40° C. (104° F.).
Do not install enclosures where exposed to rain or other water
sources. The enclosure is not weatherproof. Outdoor installations
must provide protection from the elements.
Pickpoints on the
HPR122i
Pickpoints on the
HPR152i and
HPR153i