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

| 3DKRCE.PI.RL0.F6.ML Instruction sheet | ERC 211

Electrical Connections

DO1

SairSc/DI1

3L 4N 567891011121

~~~~

Sair

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)

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| 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.

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| 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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