42 AK2-SC 255 Reference Manual RS.8D.M1.22
Enviroguard (List box: Yes, No) Whether or not an Enviroguard
system is being used.
Subcooling target (0.0 to 100.0) The desired number of degrees of
subcooling.
Deadband (0.0 to 100.0) The deadband above the target and
below the target in which there will be no control
actions.
Min sat. cond temp (0.0 to 100.0) The saturated condensing temperatuare
below which the system pressure regulator will be off.
Min subcooling temp (-99.9 to 99.9) The subcooling temperature below
which the system pressure regulator will be off.
Elevation (rack to cond) (0 to 3000) The total drop distance from condenser to
the rack.
Open SPR if discharge (0.0 to 200.0) The pressure differential above target at
which the system pressure regulator will open.
Bleed valve (List box: Yes, No) Whether or not there is a bleed
valve.
Delay after SPR (0 to 10) The number of minutes that must elapse
after the system pressure regulator is turned on before
the bleed relay is energized.
Evaporative
condensers Returning to the first page of condenser configuration (from the Main Menu: Configu-
ration, Refrigeration, (select the rack), Condensers. Select Evaporative for the
condenser type. The screen will appear as shown below.
The fields are as follows:
Condenser type (List box:) This section deals with condenser configu-
ration when the selection Evaporative is made in this
field.
None: There is to be no condenser control by the SC
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