View Full Version : hussman u85 display cooler

08-08-2012, 08:21 PM
new to re im in hvac 30yrs not to familier to com. refrig. a good customer has ahussman cooler R12 wiyh a ranco 01-1419 control in it. it's used for milk, dairy etc what should the control be set at. someone has messed with it now it causeing frost build up. i can't find any suggested temp range and differential settings the bulb is sensing ambient near evap. it' an old box and i can't find and tech data