RS.8D.M2.22
AK2-SC 255 Reference Manual
19
Setback holidays
(Holidays selection field) The holiday numbers on
which night setback will occur. Holiday numbers are
defined in Store Info configuration.
At the bottom right of the Suction Info screen are the words “PG DN” for more.
Use the controller’s PG DN key to reach the next screen; shown at left is the default
screen in which not all the questions and fields appear; the screen on the right shows
all the fields.
The fields and their contents are as follows:
Monitor suction temp
(List box: Yes, No)
Display superheat temp
(List box: Yes, No)
Monitor desuperheat temp (List box: Yes, No)
Close EEV valves during
rack shutdown
(List box: Yes, No)
If suct above target by
(0 to 999.9) Number of psig above target when AKV
valves will be closed during rack shutdown.
Delay time
(0 to 45) Number of seconds after suction pressure
reaches the number specified in the preceding
field that AKV valves will be closed.
Rack on AK2-SC 255 address
(0 to 15) The address of the SC 255 controlling the
rack that serves these EEVs.
Press EXIT to return to the Configure Rack Menu and continue refrigeration configu-
ration.
Configuring
two-stage systems
and de-superheaters If (and only if) a rack is configured as a two-stage system, the
suction configuration for each suction group will include a special page for the low
side. The screen looks like this: