Dump Schedules - Danfoss AK2-SC 255 Reference Manual

Dump schedules

46
Min speed
Max speed
RPM at max speed
Inverter max resets
Inverter reset delay
Inverter proof delay
High pressure bypass
Freeze Protection
Freeze prot temp cutout
Freeze prot temp cutin
Dump Valve
Dump on schedule
Num of dump schedules
Dump on freeze protect
Overide pump on frz prot (List box: Yes, No) When the pump is on because of
Water flow monitor
The next page allows entry of the first four dump schedule. A subsequent page will be
added if there are more than for schedules. Schedules have been explained in the
AK2-SC 255 Reference Manual
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 number of RPM at the maximum
speed specified in the preceding 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.
(0.0 to 500.0) The pressure at and above which all
fans will be run, and at full speed if variable speed
motor control is used. (When high pressure bypass
occurs, a service technician is required to clear the
bypass by using the appropriate button in the status
screen.)
(List box: Yes, No) Whether or not freeze protection
control is implemented.
(-99.0 to 99.9) The outside ambient temperature at
and below which evaporative cooling will be locked
out.
(-99.0 to 99.9) The outside ambient temperature at
and above which evaporative cooling will be allowed to
run.
(List box: Yes, No) Whether or not a dump valve is
controlled.
(List box: Yes, No) Whether or not the dump valve will
be controlled by a schedule to be entered on the
following page(s).
(1 to 8) The number of effective dump schedules to be
entered on the following page(s).
(List box: Yes, No) Whether or not the dump valve will
be activated at the freeze protect setpoint.
high discharge pressure, whether or not to shut down
the the pump at the freeze protect setpoint.
(List box: Yes, No) Whether or not there is a water
flow monitor.
RS.8D.M1.22