Danfoss ERC 211 User Guide

Miscellaneous
Table 13: Miscellaneous
Code
Parameter description
Min.
Max.
Unit
o--
o01
Delay of outputs at startup
After start-up the controller functions can be delayed by the time delay dened here so that overloading of the electricity
supply network is avoided.
0
600
sec
o02
Desired conguration for digital input 1 (DI1)
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 displasement
EAL = External alarm
dEF = Defrost
Pud = Pull down
Sc = Condensor Sensor
nC
Sc
o03
Serial Address
Data communication is possible by using external TTL to RS485 converter
0
247
No
o05
Password
If the settings in the controller are to be protected with an access code you can set a numerical value between 0 and 999. You
can cancel the function by setting to 0.
0
999
No
o15
Display Resolution
This parameter denes the steps in which the temperature must be displayed by 0.1 or 0.5 or 1
0.1
1.0
o37
Desired conguration for digital input 2 (DI2)
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 displasement
EAL = External alarm
dEF = Defrost
Pud = Pull down
nC
Pud
o38
This denes the method to control cabinet light
on= Always on
dAn = Day/Night
doo=Based on door action
on
doo
o67
Save settings as factory
This parameter when set to YES , The current controller Parameter settings are stored as Factory default.

WARNING:
Original factory settings are overwritten
no
YES
o91
Display during defrost
You can set what is to be displayed during defrost here.
Air = actual air temperature
FrE = freezed temperature (display the temperature just before starting defrost)
-d- = -d- is displayed
Air
-d-
P--
P73
DI1 input polarity
no (normally open) = associated functionality is activated when DI1 port is short circuit and deactivated when DI1 port is
open circuit.
nc (normally closed) = associated functionality is activated when DI1 port is open circuit and deactivated when DI1 port is
short circuit.
no
nc
P74
DI2 input polarity
no (normally open) = associated functionality is activated when DI2 port is short circuit and deactivated when DI2 port is
open circuit.
nc (normally closed) = associated functionality is activated when DI2 port is open circuit and deactivated when DI2 port is
short circuit.
no
nc
P75
Invert alarm relay
Alarm relay operation can be inverted here
0=normal, 1= invert relay action
0
1
P76
Key board lock enable
Setting this parameter as "YES" enables controller keypad lock functionality after 5 minutes of no activity on the keypad.
When the keypad is locked any button press shows “LoC” in the display. Press UP and DOWN buttons simultaneously for 3
seconds to unlock the keyboard. “unl” is displayed for 3 seconds.
no
YES
© Danfoss | Climate Solutions | 2023.01 BC194286421698en-000901 | 21
Electronic refrigeration control, type ERC 21X

Danfoss ERC 211 Specifications

General

Brand	Danfoss
Model	ERC 211
Category	Controller
Language	English