RF-N 280 E4 30 (11")

RF-N Roof fan, vertical exhaust (metal) Housing made of weatherproof Aluminium AlMg3 Outlet side with protective grid against accidental contact Vertical air discharge to minimize roof soiling Lower noise break out than that of horizontal discharge roof fans Backward curved impellers for optimum efficiency rates Voltage-controlled air flow rate adjustment Built-in thermostatic switch with automatic reset Asynchronous three phase motors starting with size 450 The mounting surface must be horizontal and level Consider allowable roof load Make certain there is sufficient sealing between roof fan and roof socket Remove fastening screw, swing out top section and screw down base plate on to supporting surface