Roof fan, vertical exhaust with isolator switch (metal)

Integrated isolator switch for simplified electric connection
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