Hello - I have a Summit SBC490B that I'm trying to adjust down a little bit colder. With the normal therm adjustment on max I'm only getting to 42 degrees. I would like to try to get it in the 38-39 degree range.
The unit has what appears to be a Ranco K57 temp controller. It looks like there are two screws on the side of it. One is flush with the thermostat casing and the other one is inset a bit. Are either of these the course adjustment screw so I can get this a little bit colder? If so, clockwise or counter-clockwise?
I've been searching and searching on the internet for info on this temp controller and can't find anything.
Thanks in advance!
The unit has what appears to be a Ranco K57 temp controller. It looks like there are two screws on the side of it. One is flush with the thermostat casing and the other one is inset a bit. Are either of these the course adjustment screw so I can get this a little bit colder? If so, clockwise or counter-clockwise?
I've been searching and searching on the internet for info on this temp controller and can't find anything.
Thanks in advance!
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