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User Manual for ST School Milk Cooler Beverage-Air
Rev. 10/20 Beverage-Air 9
38.0
o
F
USING THE UNIT
Operation is simple, just keep it connected to the correct
power supply and the refrigerator will maintain the
internal temperature it has been set to. Keep the doors
and / or drawers closed as much as possible to avoid
unnecessary run time.
The controller displays the current internal temperature.
Adjusting the set temperature lower will NOT cause the
system to lower the temperature faster. When on, the
refrigeration system is always operating at maximum.
The temperature was set at the factory at 38
º
F, but
you can adjust it to your own selected temperature. 30
seconds after adjustment, the display automatically
reverts to showing the current temperature.
SM units must be manually defrosted periodically. “Cold
Wall” units like the SM maintain the air temperature of
the cabinet at the set point by cooling the walls below
the set point to approximately 20°F. Because the walls of
the cooler are below the freezing temperature of water,
ice may build up over time. It is important to occasionally
manually defrost the unit to minimize ice build-up.
To manually defrost your milk cooler:
1. Remove the product from your milk cooler and place
it in another refrigerated storage area.
2. Open the lids and doors of your milk cooler and
unplug the power to the unit.
3. Wait approximately 30 min for the frost to melt and
drain to the oor drain. Times may vary with ambient
temperature in the room and ice build-up.
4. After manual defrost, Close the lid and doors and
power the unit by plugging it into the outlet. Return
product to the cooler after the air in the cabinet has
cooled to the desired temperature.
WARNING: DO NOT SCRAPE THE WALLS TO SPEED UP
DEFROSTING. SCRAPING MAY RUIN SURFACE FINISH
OR PUNCTURE WALL AND DAMAGE REFRIGERATION
TUBING BEHIND THE WALL
The compressor and condenser fan motor will only be on
when the controller senses an increase in internal cabinet
temperature passed the set point
Select
Defrost
Increase
Decrease
In most cases the only thing displayed will be the cabinet temperature. When something other than normal operation has
occurred, a message will be shown.
Message Displayed Why What to do
Hi
Cabinet temperature too warm Conrm doors or drawers are closed.
dOr
Door is open Close door, if message does not
change, call for service.
LEA
Compressor run time too long Check doors closed. If yes, call for
service.
E01, E02, E03, E04
Sensor unplugged or has failed Call for service.
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