So I just replaced my 15 year old Oslo 500 w a new 500. I’m not sure it’s operating correctly. The internal temp gauge reads 1200 and then I shut down the external Air damper. I can see the honeycomb cat bright red and the reburner circulating. It appears that the stove is running too hot while turned down? Or is this how the new stoves run? Here is a pick after I turned down the air flow Lever