Danfoss AK2-SC 255, Reference Manual, Page: 34 / 206

RS.8D.M1.22 AK2-SC 255 Reference Manual 33
Dual Temp control (List box: Yes, No) A Yes answer allows the circuit to
be used in two temperature ranges and creates a digital
input for changeover of temperature range.
Alt target, Range (-50.0 to 150.0, 1.0 to 20.0) The second temperature
and range for a dual temperature evaporator.
Dual Temp relay needed (List box: Yes, No)
Alt target, Range (-50.0 to 150.0, 1.0 to 20.0) The second temperature
and range for a dual temperature evaporator.
Num of shutdn schedules (0 to 8) The number of shutdown schedules that will
be entered on the page(s) immediately following this
one.
Generate shutdown OI (List box: Yes, No) Whether or not a digital input (on-
off input) will be configured by which refrigeration can
be shut down for cleaning or other service.
Shutdown schedules Paging down, we reach the shutdown page(s):
There are two schedules per page. Each schedule has a field for time on, time off,
days (of the week) and holidays. AM and PM are entered by selecting the first
character, using the +/- key to toggle the arrow keys to edit mode, then using the up
or down arrow to change the character to A or P as needed. The same means is used
to select the days of the week (once the cursor is placed in the space to the right of
the question) and holidays.
Holidays are given dates when Store Info is configured.
Configuring
evaporator alarms
Evaporator alarms are configured on the last page for each evaporator. The right
illustration shows the screen when it is opened for the first time. The right illustration
shows the screen with all of its fields revealed. Additional information will be found in
section (Chapter 4-5) on alarms.