SOURCE: digital temp controller
delfield digital temp controller model 6051-sdt
paste this in the internet and find their web site
They have a download for ya
SOURCE: delfield model #mrr2n-s ser. 0403036101321-t ice
can not immediately locate manual.
If this unit is a cooler, check this:
Anything that can effect air flow. Fans not running or running in wrong direction.
Too much product in unit.
Thermostat set too low or stickes and unit does not shut off unit.
Possibly has a defrost timer. Most coolers do not but some do. Look for one and see if it is working. Make a mark on the face and wait 15 minutes to see if it moves.
Drain pan clogged.
Doors not closing or seals not sealing.
these are the things to check out.
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