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Electronic refrigeration control, type ERC 21X
(1)
(1)
This option is a default setting in the controller and cannot be changed.
This option is a default setting in the controller and cannot be changed.
(2)
(2)
This parameter can only be set when regulation is stopped, i.e. "r12" is set to 0.
This parameter can only be set when regulation is stopped, i.e. "r12" is set to 0.
Reference
Table 16: Reference
Function
Reference
Setpoint
Differential
Maximum set point limitation
Minimum set point limitation
Display offset
Display Unit (°C/ °F)
Calibration of Sair
Main switch ( -1=Service, 0=OFF, 1=ON)
Night Set back
Reference displacement offset temperature
Pull down duration
Pull down limit temperature
Alarm
Table 17: Alarm
Function
Alarm
Delay for temp alarm during normal conditions
Delay for temp alarm during pull-down/start up/ defrost
High temp. alarm limit
Low temp. alarm limit
DI1 delay (Time delay for selected DI1 function)
Condenser High alarm limit
Condenser High block limit
Voltage protection enable
Minimum cut-in voltage
Minimum cut-out voltage
Maximum voltage
Defrost
Table 18: Defrost
Function
Defrost
Defrost Method (no=no defrost, nAt=Natural)
Defrost stop temperature.
Defrost Interval
Max defrost Time
Defrost delay at power up (or DI signal)
Drip delay
Defrost stop sensor non=None (Time), Air = Sair temp. Sensor
Accumulated Compressor runtime to start defrost (0=OFF)
Defrost delay after pull down cycle
(1)
(1)
This option is a default setting in the controller and cannot be changed.
This option is a default setting in the controller and cannot be changed.
© Danfoss | Climate Solutions | 2023.01
Code
Min.
Max.
Unit
r--
r00
-100.0
200.0
°C
r01
0.1
20.0
K
r02
-100.0
200.0
°C
r03
-100.0
200.0
°C
r04
-10.0
10.0
K
r05
-C
-F
r09
-20.0
20.0
K
r12
-1
1
r13
-50.0
50.0
K
r40
-50.0
20.0
°C
r96
0
960
min
r97
-100.0
200.0
°C
Code
Min.
Max.
Unit
A--
A03
0
240
min
A12
0
240
min
A13
-100.0
200.0
°C
A14
-100.0
200.0
°C
A27
0
240
min
A37
0
200
°C
A54
0
200
°C
A72
no
YES
A73
0
270
V
A74
0
270
V
A75
0
270
V
Code
Min.
Max.
Unit
d--
d01
no
nAt
d02
0.0
50.0
°C
d03
0
240
hour
d04
0
480
min
d05
0
240
min
d06
0
60
min
d10
non
Air
d18
0
96
hour
d30
0
960
min
AP0
AP1
AP2
AP3
2.0
8.0
4.0
4.0
2.0
2.0
2.0
2.0
50.0
20.0
6.0
6.0
-35.0
4.0
2.0
2.0
0.0
0.0
0.0
0.0
-C
-C
-C
-C
0.0
0.0
0.0
0.0
1
1
1
1
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0
-
0
0
0.0
-
0.0
0.0
AP0
AP1
AP2
AP3
30
45
45
45
60
60
90
90
8.0
16.0
10.0
10.0
-30.0
0.0
0.0
0.0
30
30
30
30
80
80
80
80
85
85
85
85
no
no
no
no
0
0
0
0
0
0
0
0
270
270
270
270
AP0
AP1
AP2
AP3
nAt
no
nAt
nAt
6.0
-
-
8.0
8.0
-
6.0
6.0
30
-
45
60
0
-
0
0
0
-
0
0
non
-
non
Air
(1)
(1)
0
-
0
0
0
-
0
0
BC194286421698en-000901 | 23
AP4
AP5
50.0
2.0
2.0
2.0
70.0
50.0
30.0
-35.0
0.0
0.0
-C
-C
0.0
-
1
1
0.0
0.0
0.0
-
-
-
-
-
AP4
AP5
10
30
NA
60
80.0
8.0
10.0
-30.0
30
30
-
-
-
-
no
no
0
0
0
0
270
270
AP4
AP5
no
no
-
6.0
-
8.0
-
30
-
-
-
-
-
non
-
-
-
-
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