Fan Control; Compressor; Others - Danfoss ERC 21 Series User Manual

Electronic refrigeration control
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Electronic refrigeration control, type ERC 21X
Function
Fan during defrost
Defrost stop sensor non=None (Time), Air = Sair
temp. sensor, dEF= S5 Defrost sensor
Accumulated Compressor runtime to start defrost
(0=OFF)
Defrost on demand (20=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.

Fan control

Table 25: Fan control
Function
Fan control
Fan at compressor cutout (FAo=Fan always ON;
FFC=Fan follow compressor; FPL= Fan Pulsating)
Fan stop evap. Temperature
Fan ON Cycle
Fan OFF 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.

Compressor

Table 26: Compressor
Function
Compressor
Compressor / Heater minimum ON time
Compressor /Heater minimum OFF time
Compressor OFF delay at open door
Zero crossing selection (YES / no)
(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.

Others

Table 27: Others
Function
Others
Delay of outputs at startup
DI1 configuration
nC= Not configured; Sdc = Status display output,
doo = Door alarm with resumption, doA = Door
alarm without resumption, SCH = Main switch, nig
= Day/ Night mode, rFd = Reference displasement,
EAL = External alarm, dEF = Defrost, Pud = Pull
down; Sc = Condensor Sensor
Serial address
Password
Sensor type (n5=NTC 5K, n10=NTC10K, ptc=PTC,
pt1=PT1000)
Cooling/Heating (rE=Cooling, Ht= Heating)
Display Resolution
DI2 configuration
nC= Not configured; Sdc = Status display output,
doo = Door alarm with resumption, doA = Door
alarm without resumption, SCH = Main switch, nig
= Day/Night mode, rFd = Reference displasement,
EAL = External alarm, dEF = Defrost, Pud = Pull
down
© Danfoss | Climate Solutions | 2023.01
Code
Min.
Max.
Unit
d09
OFF
on
d10
non
dEF
d18
0
96
hour
d19
0.0
20.0
K
d30
0
960
min
Code
Min.
Max.
Unit
F--
F01
Fao
FPL
F04
-50.0
50.0
°C
F07
0
180
min
F08
0
180
min
Code
Min.
Max.
Unit
c--
C01
0
30
min
C02
0
30
min
C04
0
900
Sec
C70
no
YES
Code
Min.
Max.
Unit
o--
o01
0
600
sec
o02
nC
Sc
o03
0
247
No
o05
0
999
No
o06
n5
ptc
(2)
o07
(2)
rE
Ht
o15
0.1
1.0
o37
nC
Pud
AP0
AP1
AP2
AP3
on
on
OFF
OFF
non
non
non
non
(1)
(1)
(1)
0
0
0
0
20.0
20.0
20.0
20.0
(1)
(1)
(1)
0
0
0
0
AP0
AP1
AP2
AP3
FAo
FAo
FAo
FAo
50.0
-
-
-
2
2
2
2
2
2
2
2
AP0
AP1
AP2
AP3
0
0
0
0
2
2
2
2
900
900
900
900
YES
YES
YES
YES
AP0
AP1
AP2
AP3
10
10
10
10
nC
nC
nC
nC
0
0
0
0
0
0
0
0
n10
n10
n10
n10
rE
rE
(1)
rE
(1)
rE
(1)
0.1
0.1
0.1
0.1
nC
nC
nC
nC
BC194286421698en-000901 | 26
AP4
AP5
AP6
AP7
OFF
OFF
OFF
-
dEF
dEF
non
-
(1)
(1)
0
0
-
-
20.0
20.0
-
-
0
0
-
-
AP4
AP5
AP6
AP7
FAo
FAo
FAo
FAo
50.0
50.0
50.0
-
2
2
2
2
(1)
2
2
(1)
2
2
AP4
AP5
AP6
AP7
0
0
0
0
2
2
2
2
900
900
60
900
(1)
YES
YES
YES
YES
(1)
AP4
AP5
AP6
AP7
10
10
10
10
(1)
nC
nC
nC
nC
0
0
-
0
0
0
0
0
n10
n10
n10
n10
rE
(1)
rE
(1)
rE
Ht
(1)
0.1
0.1
0.1
0.1
(1)
nC
nC
nC
nC

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Erc 211Erc 213Erc 214

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