Danfoss AK2-SC 255, Reference Manual, Page: 175 / 206

174 AK2-SC 255 Reference Manual RS.8D.M1.22
form Normal Refrigeration to Cleaning Shutdown, the status of the lights, fans,
and anti-sweat heaters is automatically changed so that lights and fans are kept on
and anti-sweats are kept off until the fixture is returned to the normal refrigeration
mode.
2 - 4. Using the Refrigeration Screens for Refrigeration Circuits
Controlled directly from AK2-SC 255’s
The status screens for refrigeration circuits controlled directly from SC 255’s contain
different information than those for circuits with Smart Case Controllers.
Evaporator Status
Screen
The status screen for an SC 255 circuit is reached from the main menu by selecting
Refrigeration, then the Rack, then Evaporators, then the evaporator. Here’s the
status screen for an SC 255 circuit:
The status of the circuit is given in the first line. Possible contents are:
Thermostat Cutin:
The circuit is being refrigerated. Refrigeration is on
because the discharge air temperature reached
target temperature plus the temperature range.
Thermostat Cutout:
Refrigeration is off because the discharge air tem-
perature has reached target temperature minus the
temperature range.
Terminated Defrost:
Defrost has terminated and the circuit is in its drip
down period (if any).