© Danfoss | Climate Solutions | 2022.08
AN41473467835501-000102 | 5
Defrost
Evaporator fans
Alarms
Level 1
Level 2
Description
Values
Min.
Def.
Max.
dEF
d0
Defrost frequency (Time between 2 starts)
H.
0
6
96
d1
Maximum defrost duration (
0
=defrost deactivated)
Min.
0
*
255
d2
Type of message during the defrost:
0
=Displays the real temperature;
1
=Displays the temperature at the start of
the defrost;
2
=Displays the dEF message
0
2
2
d3
Maximum duration of the message
(Time added at the end of the defrost process)
Min.
0
5
255
d4
Final defrost temperature (by probe) (If I00 ≠ 1)
°C/°F
-50
8.0
50
d5
Defrost on connecting the unit:
0
=NO First defrost according to d0;
1
=YES, First defrost according to d6
0
0
1
d6
Delay of the defrost start on connecting the unit
Min.
0
0
255
d7
1)
Type of defrost:
0
=Resistors;
1
=Air/fans,
2
=Hot gas;
3
=Reversal of cycle
0
*
3
d8
Count of time between defrost periods:
0
=Total real time,
1
=Sum of compressor connected time
0
0
1
d9
Drip time when completing defrost (Shutdown of compressor and fans)
Min.
0
1
255
EP
Exit to level 1
Level 1
Level 2
Description
Values
Min.
Def.
Max.
FAn
F0
Shutdown temperature of fans
°C/°F
-50
45
50
F1
Probe 2 differential if fans are shut down
°C/°F
0.1
2.0
20.0
F2
Shut down fans when the compressor shuts down:
0
=No,
1
=Yes
0
0
1
F3
Status of the fans during the defrost:
0
=Shut down;
1
=Running
0
0
1
F4
Delay of start-up after defrost (If F3=0)
It will only actuate if it is higher than
d9
Min.
0
2
99
EP
Exit to level 1
Level 1
Level 2
Description
Values
Min.
Def.
Max.
AL
A0
Configuration of the temperature alarms:
0
=Relative to SP,
1
=Absolute
0
1
1
A1
Alarm for maximum in probe 1 (It should be higher than the SP)
°C/°F
A2
99
99
A2
Alarm for minimum in probe 1 (It should be lower than the SP)
°C/°F
-50
-50
A1
A3
Delay of temperature alarms in the start-up
Min.
0
0
120
A4
Delay of temperature alarms from the end of a defrost
Min.
0
0
99
A5
Delay of temperature alarms from when the
A1
or
A2
value is reached
0
30
99
A6
Delay of the external alarm/Severe external alarm on receiving a signal in
digital input (
I10
or
I20
= 2 or 3)
Min.
0
0
120
A7
Delay of external alarm deactivation/Severe external alarm deactivation
when the signal in digital input disappears (
I10
or
I20
= 2 or 3)
Min.
0
0
120
A8
Show warning if the defrost ends for maximum time:
0
=No,
1
=Yes
0
0
1
A9
Relay alarm polarity
0
= Relay ON in alarm (OFF without alarm);
1
= Relay OFF in alarm (ON
without alarm)
0
0
1
A10
Differential of temperature alarms (
A1
and
A2
)
°C/°F
0.1
1.0
20.0
A12
Delay of open door alarm (If
I10
or
I20
=1)
Min.
0
10
120
EP
Exit to level 1
* According to wizard.
1)
It can only be modified using the configuration wizard (InI).
