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Author Topic: Flickering on the picture Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 09-08-2016 09:37 PM                     Also, your exhaust blower install looks ok. Just as long as the room temp doesn't go much above 85 degrees f., you should be fine... Mark  |  IP: Logged Leo Enticknap Film God Posts: 7474 From: Loma Linda, CA Registered: Jul 2000 posted 09-08-2016 09:49 PM                        In Wales, that is very unlikely to happen! Typical daytime temperatures in most of the UK range from the low 40s to the mid-70s, depending on the time of year. I worked in several British cinemas that had no ducted air extraction from the lamphouses whatsoever. In one during the winter, the booth was unbearably cold unless the projector lamps were on.  |  IP: Logged Manny Montes Master Film Handler Posts: 270 From: United States Registered: Feb 2010 posted 09-10-2016 12:16 AM                     Leo, I worked in a cinema like that but it had no insulation for the projection booth so you would freeze up there if you weren't huddled near the lamphouse.  |  IP: Logged Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 09-11-2016 09:15 AM                     It depends Leo. In a closed in area that's a lot of BTU that will build up fairly quickly. Not all modern booths have windows that can be opened for ventilation. I had one customer that is in Montana which sees temps similar to what you might see in Whales. His ICP board over heated on two occasions. Luckily that does not stop a show, but it does cause the NEC to throw an alarm. He just finished updating his entire HVAC system in the building and now the projector runs at much happier temps. Mark  |  IP: Logged

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