"complex installation" is correct and usable in written English.
You can use it whenever you need to refer to an installation that has a lot of components and is not easy to set up or use. For example, "The complex installation of the security system took three technicians two days to complete."
The design was nearly final, and he was already considering the magnet's complex installation.
The real clunker, however, is unfortunately the largest and most complex installation.
"That convergence between artist and artwork does not await the final brushstroke or the placement of the last element in a complex installation".
The result was a massively complex installation with an elementary school mad-genius aesthetic: balls rolled through tubes, bounced and dropped from one platform to another.
The show's largest and most complex installation, "African Adventure," is in the St. Columba Chapel, where it takes up much of the space.
Anyone reading a list of items in her complex installation might think it was for a scavenger hunt or what to pack for an unusual Outward Bound trip.
Some programs are too big to install practically; others apparently don't work because of copy protection or unusually complex installations.
The survey includes around 60 sculptures and as many drawings, prints and photographs, and also recreates two complex installations, requiring running water.
"This is one of the most complex installations that we've ever done," says Dr Deborah Hart, senior curator at the National Gallery.
There is plenty of art to see at Burning Man, including extraordinarily elaborate, technologically complex installations and small cars transformed by their owners into "mutant vehicles".
For an artist with a confessed fear of blank spaces, whose paintings typically act as a vibrant backdrop to her complex installations, this "Solo Pintura" (meaning "only paintings") show is something of a rarity.
