Crossfire CO2 controller help

Purely Natural · Jan 26, 2019

hello, I’m looking for the instruction manual or if someone knows how to calibrate this controller.
Manufacturer website no longer exists
Crossfirecontrols.com
Thanks

Renfro · Jan 26, 2019

Just plug it in outside away from anything that emits CO2. If it reads 360 - 400 then it's pretty good to go.

Purely Natural · Jan 27, 2019

Renfro said:
Just plug it in outside away from anything that emits CO2. If it reads 360 - 400 then it's pretty good to go.

That’s the issue it’s reading 770 on sensor 1 and 778 on sensor 2.
It’s a 2 sensor controller.

Renfro · Jan 27, 2019

Well the fact that both sensors are very close in reading makes me think its accurate, are you positive that reading isn't correct? Was it outdoors? Are you in a big city where CO2 levels are higher?

Renfro · Jan 27, 2019

You could always use one of those cheap co2 syringe test kits to see if it's reading the same or close.

Purely Natural · Jan 27, 2019

Renfro said:
Well the fact that both sensors are very close in reading makes me think its accurate, are you positive that reading isn't correct? Was it outdoors? Are you in a big city where CO2 levels are higher?

I plugged it outside next to wooded park away from any traffic. I’m pretty sure it’s not 770.
Thanks

Renfro · Jan 28, 2019

Purely Natural said:
I plugged it outside next to wooded park away from any traffic. I’m pretty sure it’s not 770.
Thanks

It could very well be that high outside. Seen it myself. Personally I think the unit is working well and if it was mine I would just use it as is.

xtsho · Jan 28, 2019

It has a menu button. It shouldn't be too difficult to cycle through the menu to get it into calibration mode.

Crossfire CO2 controller help

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