Danfoss AK2-SC 255, Reference Manual, Page: 40 / 206

RS.8D.M1.22 AK2-SC 255 Reference Manual 39
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
connected by means of a 2-wire TP-78 LonWorks
card.
Min speed (1.0 to 150.0) The minimum percentage of the maxi-
mum RPM that the fan motors will be run. Insure that
the entries on this screen are within the manufacturer’s
specifications.
Max speed (1.0 to 150.0) The maximum percentage of the
maximum RPM that the fan motors will be run. Insure
that the entries on this screen are within the
manufacturer’s specifications.
RPM at max speed (1 to 6000) The RPM at the maximum percentage
specified in the previous setting.
Inverter max resets (10 to 10) The maximum number of inverter resets,
after which a subsequent reset condition will place the
inverter in override.
Inverter reset delay (1 to 600) The number of seconds that must elapse
between inverter reset attempts.
Inverter proof delay (1 to 600) The number of seconds without proof
before an inverter reset is attempted.
Split condenser
control
Split condenser configuration is done on the next page of the Configure Condenser
screens. When there is one valve and one split, the screen appears as at left below;
when there are two or three valves, the screen at right appears (with the appropriate
number of setpoints).
Split condenser (List box: Yes, No) Whether the condenser is split.
Split based on (List box:)