Danfoss ERC 211 User manual
Installation Guide
ERC 211
Digital controller for refrigeration and defrost, 1 relay.
| 2 DKRCE.PI.RL0.F6.MLInstruction sheet | ERC 211
Dimensions (mm) and Mounting
83 66
Rear mounting (lock with clips)
Drilling template
Mounting Dismounting
61.2
28
D
36
71
29
| 3DKRCE.PI.RL0.F6.ML Instruction sheet | ERC 211
Electrical Connections
DO1
12
SairSc/DI1
GN
DG
ND
3L 4N 567891011121
31
4
~~~~
Sair
Sc
DO1
Power supply
(according to the product code number)
Quick programming tools:
KoolKey KoolProg KoolDock
Connectors:
Max. Torque = 0.4 Nm
| 4 DKRCE.PI.RL0.F6.MLInstruction sheet | ERC 211
The ERC 211 is a smart, multipurpose refrigeration controller with temperature and defrost management,
available with 1 relay.
The controller has been designed to fulfil today’s requirements for commercial refrigeration applications.
ENGLISH
1 - Technical Highlights
yEase of use: Four buttons, easy menu structure, pre-installed application solutions ensure superior usability.
ySimple installation:
High Effect 16 A relay enable direct connection of heavy loads without use of intermediate relay: up to 2 hp
compressors depending on its power factor and motor efficiency (greater than 0.65 for 230 V and greater than 0.85
for 115 V).
A wide range of compatible types of sensors and screw connection terminals ensure highly flexible installation.
yUnit protection: Special software features like compressor protection from fluctuation in the power supply or from
high condensing temperature ensure the safe operation of the unit.
yEnergy efficiency: Defrost on demand, day/night mode and smart evaporator fan management ensure energy
efficiency.
| 5DKRCE.PI.RL0.F6.ML Instruction sheet | ERC 211
2 - User Interface
Press for one second: BACK
Press and hold: PULL-DOWN
Press for one second: UP
Press and hold: ON/OFF
Press for one second:
TEMPERATURE SETPOINT/OK
Press and hold: MENU
Press for one second: DOWN
Press and hold: DEFROST
Key Function
Press and hold at power up:
FACTORY RESET
(“FAC”is displayed)
Display Icons
Night mode
(Energy saving) Fan running Defrost
Compressor running
Flashes in pull-down mode Active alarm Unit (°C or °F)
ENGLISH
| 6 DKRCE.PI.RL0.F6.MLInstruction sheet | ERC 211
3 - Quick Configuration at Power Up
ySTEP 1: Power on
ySTEP 2: Select the quick configuration menu
Within 30 seconds of power on, press“<”BACK for 3 seconds.
The main switch“r12”is automatically set to OFF.
ySTEP 3: Select pre-installed application “o61”
The display automatically shows the application selection parameter“o61”.
Press SET to select the pre-installed application.
The display shows the default value (eg.“AP0”flashing).
Choose the application type by pressing UP/DOWN and press SET to confirm.
The controller presets parameter values according to the selected application and does not hide relevant parameters.
Tip: you can easily move from AP0 to AP5, and thus select the simplified list of parameters, by pressing the UP key
(circular list).
App Description
App 0 None (no preset application)
App 1Medium temperature (4 – 20 °C), without defrost
App 2Medium temperature (2 – 6 °C), with timed natural defrost
App 3Medium temperature (2 – 6 °C), with natural defrost stop on air temperature
App 4Heating Thermostat (20 – 60 °C)
App 5None (no preset application) with simplified parameter list
ENGLISH
| 7DKRCE.PI.RL0.F6.ML Instruction sheet | ERC 211
Quick Configuration at Power Up
ySTEP 4: Select sensor type“o06”
The display automatically shows sensor selection parameter“o06”.
Press SET to select the sensor type.
The display shows the default value (eg.“n10”flashing).
Choose sensor type by pressing UP/DOWN (n5=NTC 5 K, n10=NTC 10 K, Ptc=PTC, Pt1=Pt1000) and press SET
to confirm.
NOTE: All sensors must be the same type.
ENGLISH
| 8 DKRCE.PI.RL0.F6.MLInstruction sheet | ERC 211
4 - Menu structure
1) Parameter groups
2) Parameter name
Scroll through the
parameter groups
SET: press for 3 seconds to access
status, setup and service
Password (if enabled)
Status input
Configuration
Main switch
Application
Sensor type
SET
Scroll through the
parameter names
SET
3) Value
Application 0
Application
5-4-3-2-1
Application
1-2-3-4-5
ENGLISH
| 9DKRCE.PI.RL0.F6.ML Instruction sheet | ERC 211
5 - Quick Configuration via “cFg” Menu
yPress SET for three seconds to access the parameters groups.
ySelect “CFg” menu and press SET to enter. The first menu“r12”(main switch) is displayed.
ySwitch OFF main switch (r12=0) for changing the pre-installed application.
yPress UP/DOWN to scroll through the parameter list.
yConfigure the “o61”parameter to select a pre-installed application
- Press SET to access the “o61” parameter.
- Press UP/DOWN to select an application (AP0= no application selected).
- Press SET to confirm, “o61” is displayed.
yContinue to set the next parameters (“o06”sensor type) in the “cFg”menu.
ENGLISH
| 10 DKRCE.PI.RL0.F6.MLInstruction sheet | ERC 211
6 - Basic operation
Initiate a manual defrost
Adjust the setpoint temperature
DEFROST: press for 3 seconds to initiate a defsost.
The DEFROST icon is shown during defrost.
DEFROST: press for 3 seconds to stop manual defrost.
(short press) SET: adjust setpoint temperature.
UP/DOWN: change the temperature setpoint
(in setting mode the setpoint flashes).
SET: save the temperature setpoint.
ENGLISH
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