Split Condenser Control - Danfoss AK2-SC 255 Reference Manual

Split condenser
control
RS.8D.M1.22
Min speed
Max speed
RPM at max speed
Inverter max resets
Inverter reset delay
Inverter proof delay
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
Split based on
AK2-SC 255 Reference Manual
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.
(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.
(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.
(1 to 6000) The RPM at the maximum percentage
specified in the previous setting.
(10 to 10) The maximum number of inverter resets,
after which a subsequent reset condition will place the
inverter in override.
(1 to 600) The number of seconds that must elapse
between inverter reset attempts.
(1 to 600) The number of seconds without proof
before an inverter reset is attempted.
(List box: Yes, No) Whether the condenser is split.
(List box:)
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