Danfoss AK-CC55 Water Loop - Defrost Schedules

Function
Description
Values
Code
Short name
Time staggering
power-up
Time staggering for defrost cut-ins during start-up
The function is only relevant if you have several refrig-
eration appliances or groups where you want the de-
frost to be staggered in relation to one another. The
function is furthermore only relevant if you have
chosen defrost with interval start. The function delays
the interval time by the set number of minutes, but it
only does it once, and this at the very rst defrost tak-
ing place when voltage is connected to the controller.
The function will be active after each and every pow-
er failure.
d05
d05 Time stagg.
Max. thermostat run
time
Defrost on demand. Aggregate refrigeration time set
here is the refrigeration time allowed without de-
frosts. If the time is passed, a defrost will be started.
With setting = 0 the function is not in use.
d18
d18 MaxTherRunT.
Drip o time
Here you set the time that is to elapse from a defrost
and until the compressor is to start again. (The time
when water drips o the evaporator).
d06
d06 DripO time
Max. hold time
Max. standby time after coordinated defrost. When a
controller has completed a defrost it will wait for a
signal tellingthat the refrigeration may be resumed. If
this signal fails to appear for one reason or another,
the controller itself will start the refrigeration when
the standby time has elapsed.
o16
o16 MaxHoldTime
Fan control during
defrost
Fan operation during defrost Here you can set how
the fan is to operate during defrost.0: Stopped (runs
during pump down)1: Running (stopped during "fan
delay)2: Running during pump down and defrost. Af-
ter that stopped3: Running during pump down and
defrost until defrost stop sensor reaches fan stop tem-
perature limit
0=OFF, 1=ON, 2=OFF at drip, 3=OFF at high temp
d09
d09 FanDuringDef
Fan start delay
Delay of fan start after defrost. Here you set the time
that is to elapse from compressor start after a defrost
and until the fan may start again. (The time when re-
maining water is transformed into ice on the evapora-
tor).
d07
d07 FanStartDel
Fan start tempera-
ture
Temperature limit for starting the fans after a defrost.
When the measured S5 evaporator temperature is
getting below the set limit, the fans are started
d08
d08 FanStartTemp
Fan stop tempera-
ture
If the fan control during defrost has been set up for it,
the fans can be stopped during the defrost if the de-
frost sensor exceeds the set temperature limit
d41
d41 Def Fan Stop
Rail heat during de-
frost
Dene how rail heat is controlled during defrost0: Rail
heat is OFF all the time1: Rail heat is ON all the time2:
Normal rail heat control
0=OFF, 1=ON, 2=Normal control
d27
d27 Railh.at def
Display delay after
defrost
Set the maximum time the display should show the
defrost code "-d-" after a defrost. The normal temper-
ature readout is normally started when the tempera-
ture in the case is OK again or if a high temperature
alarm is raised.
d40
d40 Disp. d del.
Defrost schedules
Table 24: Defrost schedules
Function
Description
Values
Code
Short name
Defrost schedule
0=No, 1=Yes
t00
t00 Def.Schedule
Def. start 1 - Hours
Time in hours for start of defrost
t01
t01 Def. 1 hr.
Def. start 1 - Minutes
Time in minutes for when defrost cycle is to be star-
ted
t11
t11 Def. 1 min.
Def. start 2 - Hours
Time in hours for start of defrost
t02
t02 Def. 2 hr.
Def. start 2 - Minutes
Time in minutes for when defrost cycle is to be star-
ted
t12
t12 Def. 2 min.
Def. start 3 - Hours
Time in hours for start of defrost
t03
t03 Def. 3 hr.
Def. start 3 - Minutes
Time in minutes for when defrost cycle is to be star-
ted
t13
t13 Def. 3 min.
Def. start 4 - Hours
Time in hours for start of defrost
t04
t04 Def. 4 hr.
Def. start 4 - Minutes
Time in minutes for when defrost cycle is to be star-
ted
t14
t14 Def. 4 min.
Def. start 5 - Hours
Time in hours for start of defrost
t05
t05 Def. 5 hr.
Def. start 5 - Minutes
Time in minutes for when defrost cycle is to be star-
ted
t15
t15 Def. 5 min.
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AK-CC55 Water Loop