No man... you need the 364watt HPMS light.

If you can, use fluorescents... they're great! They consume 8 watts, but it's the same as 150 watts.

As for a fan, don't worry about it... just, run the lights. It'll sort its self out.

Fire never happens. The cannabis plant have a massive release of CO2 if they sense fire, and automatically extinguish all flames.