The thermostat knob is located behind the trim on the top of the firebox. If room temperature gets too high, turn the thermostat knob down in a counter-clockwise direction; if you need to increase the heat, you can turn the thermostat knob up in a clockwise direction.
Reset the Heater
Your heater includes a protection system that shuts off the heater if it overheats for any reason:
1) Turn unit to off.
2) Switch off Main Power Button, wait 5 minutes.
3) Switch on main power and turn on fireplace.