Danfoss ERC 21 Series User Manual

Compressor
Table 19: Compressor
Function
Code
Min.
Max.
Unit
AP0
AP1
AP2
AP3
AP4
AP5
Compressor
c--
Compressor minimum ON time
C01
0
30
min
0.0
0.0
0.0
0.0
0.0
0.0
Compressor minimum OFF time
C02
0
30
min
2.0
2.0
2.0
2.0
2.0
2.0
Compressor OFF delay at open door
C04
0
900
sec
900.0
900.0
900.0
900.0
900.0
60.0
Zero crossing selection (YES / no)
C70
no
YES
YES
YES
YES
YES
YES
YES
(1)
(1)
This option is a default setting in the controller and cannot be changed.
(1)
This option is a default setting in the controller and cannot be changed.
Others
Function
Code
Min.
Max.
Unit
AP0
AP1
AP2
AP3
AP4
AP5
Others
o--
Delay of outputs at startup
o01
0
600
sec
10
10
10
10
10
10
(1)
DI1 conguration
nC= Not congured; Sdc = Status display output, doo = Door
alarm with resumption, doA = Door alarm without resumption,
SCH = Main switch, nig = Day/ Night mode, rFd = Reference dis-
plasement, EAL = External alarm, dEF = Defrost, Pud = Pull
down; Sc = Condensor Sensor
o02
oFF
Sc
oFF
oFF
oFF
oFF
oFF
oFF
Serial address
o03
0
247
No
0
0
0
0
0
-
Password
o05
0
999
No
0
0
0
0
0
0
Sensor type selection (n5=NTC 5K, n10=NTC10K, ptc=PTC,
pt1=PT1000)
o06
(2)
n5
ptc
n10
n10
n10
n10
n10
n10
Cooling/Heating (rE=Cooling, Ht= Heating)
o07
(2)
rE
Ht
rE
rE
(1)
rE
(1)
rE
(1)
Ht
(1)
rE
Display Resolution
o15
0.1
1.0
0.1
0.1
0.1
0.1
0.1
0.1
(1)
Predened applications
o61
(2)
AP0
AP5
AP0
AP1
AP2
AP3
AP4
AP5
Save settings as factory

WARNING:
The earlier factory settings are overwritten
o67
no
YES
no
no
no
no
no
-
Display during defrost
Air=actual air temperature, FrE=freezed temperature, -d-="-d-"
is displayed
o91
-d-
Air
-d-
-
-d-
-d-
-
-d-
(1)
(1)
This option is a default setting in the controller and cannot be changed.
(2)
This parameter can only be set when regulation is stopped, i.e. “r12” is set to 0
(1)
This option is a default setting in the controller and cannot be changed.
(2)
This parameter can only be set when regulation is stopped, i.e. “r12” is set to 0
Polarity
Table 20: Polarity
Function
Code
Min.
Max.
Unit
AP0
AP1
AP2
AP3
AP4
AP5
Polarity
P--
DI1 input polarity (nc/no)
no = normally open
nc = normally closed
P73
no
nc
no
no
no
no
no
no
Key board lock (no / yes)(0=no, 1=yes)
P76
no
YES
no
no
no
no
no
-
Parameters: ERC 213
Conguration
Table 21: Conguration
Function
Code
Min.
Max.
Unit
AP0
AP1
AP2
AP3
AP4
AP5
AP6
AP7
Conguration
cFg
Main switch (-1=Service, 0=OFF, 1=ON)
r12
-1
1
1
1
1
1
1
1
1
1
Predened
applications
o61
(2)
AP0
AP7
AP0
AP1
AP2
AP3
AP4
AP5
AP6
AP7
Electronic refrigeration control, type ERC 21X
© Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 24

Danfoss ERC 21 Series Specifications

General

Brand	Danfoss
Model	ERC 21 Series
Category	Controller
Language	English