So if the Manufacturers install specs say GFCI protection required, it doesn't matter what the disconnecting means is (hard wire w/ switch or cord and plug).
Do manufacturers specs for install supersede the code?
Do manufacturers specs for install supersede the code?
In other words: "Wire to NEC requirements or manufacturer's instructions, whichever costs more."Usually. But not necessarily 'supersede' the code in the sense that it dispenses with it, but rather to exceed the Code's minimum.