After mulling over this for a while i am now thinking that the -5 to +5 setting is to calibrate the tempmate to a reference thermometer.
Thanks for everyones help. I should mention that the fault on the tempmate that i fixed was a thermister EE error due to insect debris, a clean with IPA (...
Thanks for posting BG. What i have learned up to now…
upon tempmate turn on the display shows some version numbers and then the current temp.
Pressing and holding SET allows the temp set point range -45 to +120 degrees using the UP DOWN buttons
pressing set again sets differential setting range...
I’m retired now but still do electronic repairs for family and friends.
I have repaired a ‘tempmate’ fermentation controller that i want to gift to one of the relos
I need the user setup instructions to be sure the settings are OK .
The company that originally sold it, Craftbrewer, cannot...