Defrost Stop - Danfoss ADAP-KOOL AKC 114 G Mode D'emploi

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The controller contains an auxiliary function that can be used for filling in the defrost periods in
the three schedules.
Key in the number of defrosts, the starting time for the first defrost, and the starting time for the
last defrost. If you put "Auto Set" in pos. ON, the auxiliary function itself will distribute the given
number of defrosts evenly over the period and enter the calculated times in the three
schedules.
(If the three schedules cannot be identical, the values of the deviating schedule must be
entered separately).
Defrost Control Extended Program Schedules No. Per Day ___
If "Output Ctrl." is set in pos. 3 at the "Output Ctrl. at Forced Closing" function and if the control-
ler is in forced closing status ("ON-input" is cut out), defrost start cannot be made with the
signals "external signal" and "internal clock". Only manual defrost can be performed.
If a defrost cycle is in progress, the forced closing status will not be re-established until the
defrost is completed.

Defrost stop

You may choose between two kinds of defrost stop.
1. Stop based on temperature and with time as security
Here the evaporator's temperature is measured with sensor. When this temperature is
equal to or higher than the temperature set for defrost stop, the defrost will stop.
Normally S5 is selected as defrost sensor, but S2, S3 or S4 may also be selected.
Select sensor type with setting 2-5 (5=S5):
Defrost Control Defrost StopTemp(1)/Time(2)
If the defrost time exceeds the set max. defrost time, the defrost stops. This will happen even
if the defrost stop temperature has not been reached (max. defrost time will function as
safeguard). When the defrost is stopped on time, the alarm message "Max. def. period
exceeded" will appear for the section in question. If the alarm is not acknowledged within
five minutes, it will automatically be cancelled.
Defrost Control Defrost StopTemp(1)/Time(2)
Select "Stop on temperature and time as security" by putting "Temp/Time" = 1.
"MaxDefTime" is the setting of max. defrost time in minutes.
"Def. Stop °C" is the setting of the temperature at the selected defrost sensor, when defrost
has to be stopped.
When there is an error in a defrost sensor, an alarm appears and the defrost stop will then
be based on time in the relevant section. Defrost stop for the remaining sections will still be
based on temperature.
2. Stop based on time
A fixed defrost time is set here. When this time has elapsed, the defrost will be stopped and
cooling will be resumed.
Defrost Control Defrost StopTemp(1)/Time(2) Temp/Time
Select "Stop based on time" by setting "Temp/Time" in position 2
"MaxDefTime" is the setting of defrost time in minutes.
A defrost in progress can be stopped manually by setting "Def. Ctrl" in pos. OFF for a moment,
or "Main Switch" in pos. 0.
Function description RC.8A.R1.02 © Danfoss 10/2001
FirstDef ___
LastDef ___
OFF / ON
Auto Set
2/3/4/5
DefStop Sx
1 / 2
Temp/Time
MaxDefTime ___
Def. Stop ° C ___
1 / 2
MaxDefTime ___
AKC 114G