Danfoss AK2-SC 255, Reference Manual, Page: 46 / 206

RS.8D.M1.22 AK2-SC 255 Reference Manual 45
Louver control enabled (List box: Yes, No) Whether or not louvers are to be
controlled.
Louver cutin (0.0 to 500.0) The pressure at which louvers will be
opened.
Louver cutout (0.0 to 500.0) The pressure at which louvers will be
closed.
Enable sump control (List box: Yes, No) Whether or not the sump is
controlled.
Sump level empty (0.0 to 100.0) The percentage of fill at which the sump
is considered empty.
Sump level full (0.0 to 100.0) The percentage of fill at which the sump
is considered full.
Sump level top off (0.0 to 100.0) (Requires fill valve control) The
percentage of fill at which the fill valve will open and
top off will begin.
Fill valve (List box: Yes, No) Whether or not the sump fill valve
is controlled.
Monitor inlet temp (List box: Yes, No) Whether or not the inlet tempera-
ture is monitored.
Inverter settings;
Freeze protection;
Dump valve
The next page deals with inverter settings, if the condenser fans are variable speed,
and with freeze protection and dump valve operation.
Fan inverter control [Please see notes on Neutral Zone selection in the
first evaporative condenser configuration screen.]
(List box:)
None: No variable speed drive is controlled.
VO: An analog output, also known as a VO (variable
output) point on a Danfoss I/O module will control the
variable speed drive.
VLT: A Danfoss VLT or AKD variable frequency
drive will be used for motor control. These devices are