Danfoss ERC 113 User manual

ERC 113 refrigeration controller

Bottle cooler controller

ERC 113

This reference manual is intended to be used primarily by OEMs for the purposes

of programming ERC 113. It may also be useful for technicians. It is not intended

as a user guide for end users.

www.danfoss.com/erc

User manual ERC 113 refrigeration controller

ERC 113 The ERC 113 is an electronic stand-alone

controller designed to optimise total cost savings.

Particularly suited for OEM customers, the

controller easily meets requirements for a

time-saving and ﬂexible production setup.

Programming can be carried out in just 10

seconds using the unique Danfoss docking

station. Moreover, the ERC 113 is easy to mount

and comes with just one code number to

facilitate inventory management.

In addition to the stand-alone setup, the ERC 113

can be integrated with a remote display or a

remote spindle to make it uniquely versatile.

The modular system eﬃciently accommodates

the varying require- ments encountered with, for

example, beer coolers, commercial freezers and

glass door merchandisers.

The ERC 113 is built using the very best hardware

technology and is the only controller on the

market to oﬀer a waterproof spindle.

For those customers without the need of a

display and buttons, ERC 113 self contained unit

controller oﬀers a very cost eﬀective solution.

The controller’s ﬂexibility includes an optional

remote spindle (same look and feel as mechanical

controls) or remote display, then oﬀering an

advanced user interface.

ERC 113 in combination with the IP65 rated

remote spindle ideally suits refurbishment

markets, where mechanical controls need to be

replaced with energy saving solutions, for

instance in bottle cooler and vending machine

applications. At the same time, the design meets

automotive standards in terms of mounting

speed and maintenance.

ERC 113 with the Danfoss remote display oﬀers

an advantage in for instance cassette design

bottle coolers, where the display is mounted on

the canopy, but the controller resides in the

compressor compartment. For many commercial

fridge and freezer applications, this split solution

oﬀers a higher degree of ﬂexibility, due to size

and an additional ﬁfth relay.

The IP-rated body, advanced materials and

internationally approved hardware design of the

ERC 113 make it suitable for use in almost any

climate around the world, indoors as well as

outdoors. All components have been carefully

selected to help reduce the CO2 footprint of the

controller.

Introduction

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User manual ERC 113 refrigeration controller

Overview of the system The ERC 113 stand-alone controller is easily

programmed using the Danfoss docking station

or a gateway.

Connect your PC to the USB gateway and the USB

gateway to the ERC 113 and conﬁgure all

parameters online. Use the gateway for various

monitoring purposes in your laboratory,

e.g. to verify your parameter setting.

Docking station:

download the desired parameters from a

computer to an EKA 183 with USB interface.

Then put the EKA 183 into the Danfoss docking

station and place the ERC 113 controller on the

docking station to download the parameters

from the EKA 183.

Gateway:

download the desired parameters from a

computer to the gateway.

Then plug in the gateway into the ERC 113

controller to program it.

ERC 113 can also communicate with remote

displays (e.g. RDI 107) over 1 wire communication

interface or it can be controlled by the remote

spindle RSP 01 through an edge connector.

The ERC 113 stand-alone controller can be equipped with a variety of accessories, including remote display, remote spindle and multiple

sensors.

Overview of the ERC 113 application setups:

stand-alone, remote display and remote spindle.

docking station EKA183

USB

one-wire

communication

remote display

one-wire

communication

edge

connector

optional

accessory

optional

accessory

gateway

RSP 01

ERC 113

RDI 107

remote spindle

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User manual ERC 113 refrigeration controller

Application setup

1) ERC 113 stand-alone

2) ERC 113 + remote display

3) ERC 113 + remote spindle

The ERC 113 is an IP-rated stand-alone controller

for use in applications such as beer coolers and

counter-top bottle coolers (e.g. in petrol stations).

With input from multiple sensors, the

cost-eﬃcient controller delivers energy-saving

routines as well as providing control of

compressor, light, fan and defrost functions.

Using the Danfoss docking station, programming

of pre-prepared parameter settings can be

achieved in just ten seconds

The ERC 113 + remote display (RDI 107) is ideal

for commercial freezers and fridges as well as

glass door merchandisers.

ERC remote displays allow for temperature

indication and user interaction alike in an

embedded controller but with the ﬂexibility of a

split system (up to 3 meters cable length)

The ERC 113 + remote spindle provides a

controller solution with the look and feel of

mechanical thermostats, ideally suiting

refurbishment solutions and cost optimized

commercial refrigeration equipment.

The remote spindle wiring is available up to 3

meters length. The spindle oﬀers a stop function

(appliance ON/OFF switch)

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User manual ERC 113 refrigeration controller

Conﬁguration of inputs and outputs

ERC 113 inputs and outputs

Possible input and output

connections

The ERC 113 inputs and outputs are conﬁgurable

by the customer. Before getting started it is a

good idea to check if all inputs are conﬁgured

correctly and match the sensors attached.

Input and output conﬁguration settings are part

of the assignment menu "ASi".

NOTE: Coded sensors will impact on the number of

possible conﬁgurations

Inputs/outputs Stand-alone With remote display

RDI 107

With remote spindle

RSP 01

Sensor 1 X X X

Sensor 2 X X X

Sensor 3 X X

Sensor 4 X X X

Sensor 5 X

Sensor 7 X

Relay 2 X X X

Relay 3 X X X

Relay 4 X X X

Relay 5 X

DI (not com) X X

The table shows the possible input and output connections for the three application setups:

ERC 113 stand-alone, ERC 113 + remote display and ERC 113 + remote spindle.

For instance:

Danfoss supplies only 2-pole defrost sensors, so

input "S3" will most likely be used as a

defrost/evaporator temperature sensor input.

Please contact your local Danfoss representative

for information about default settings.

NOTE: remote display is always connected to the

digital input "Di" an d conﬁgured as "buS", whilst

remote spindle is always connected to "S3" and

conﬁgured as "rSp"

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User manual ERC 113 refrigeration controller

Software tool/Gateway

Docking station

Examples

Manual operation with

buttons (Direct Access)

The controller can be controlled in three ways:

Using "Software tool", the Danfoss Docking

Station or manually by means of the buttons on

the front panel.

"Software tool" is licenced Danfoss software

oﬀering easy parameter set up via a USB gateway.

This software is supplied separately;

for technical literature and further information,

please contact your local Danfoss representative.

Docking station is supplied separately.

For further information, please contact your local

Danfoss representative.

Changing the desiredtemperature set point:

1. The display shows the current temperature.

2. Press "up/down" to access set point.

3. Press "up/down" to adjust set point.

After 30 seconds, the display automatically

reverts to showing the current temperature

Turning ON/OFF the ECO function:

1. Press "ECO".

The green "ECO" symbol is lit when in "ECO"

mode.

Turn ON/Oﬀ the light:

1. Press the "Light" button.

Acknowledging alarms:

1. Display Flashing the alarm message.

2. Press any button to acknowlege.

Password protection:

1. Press "up/down" and hold 5 seconds to access

the menu.

2. The display shows "PAS".

3. Press "OK".

4. Press "Up/Down" to the code.

5. Press "OK".

Password protection on three levels:

1. Level 1: "shop" (daily use by shop personnel).

2. Level 2: "ser" (service technician).

3. Level 3: "OEM" (OEM programming).

1 Press: variable direct

function, e.g. “ECO”/”Night mode”

Sub function: back

1 Press: variable direct

function, e.g. light

Sub function: “OK”

1 Press: temperature set point

Sub function: “up”

1 Press: temperature set point

Sub function: “down”

Changing a parameter

Some parameters may be hidden to you.

When scrolling through menus, the parameters

available will have been pre-determined using

"Software tool".

Your access level will determine which

parameters you can view and edit:

1. Press "up/down" and hold 5 seconds to access

the menu.

2. First parameter group is shown "tHE".

3. Press "up/down" to ﬁnd the desired group.

4. Press "OK".

5. First parameter is shown.

6. Press "up/down" to ﬁnd the desired

parameter.

7. Press "OK".

8. Press "up/down" to ﬁnd the desired setting.

9. Press "OK".

After 30 seconds, the display automatically

reverts to showing the current temperature.

Or press 2 x "Back".

NOTE:

Incorrect parameter settings can lead

to inadequate cooling, excessive energy

consumption, unnecessary alarms and in the case

of temperature-sensitive food storage, breaches in

food hygiene principles and regulations.

Only a trained operator should make changes to

parameters.

Operation

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User manual ERC 113 refrigeration controller

ERC menu code Description

"tHE Thermostat settings

"SEt"

Min. -100.0°C

Max. 200.0°C

Default 2.0°C

Set point

This parameter deﬁnes the desired temperature (set point).

In standard operation the set point is changed by simply pressing the

"temperature up/down" buttons on ERC 112; for laboratory and

assembly line you may opt for software controlled set point adjustment

(speed improvement)

"SPr"

Min. 0.0

Max. 1.0

Default 0.5

Current set point adjustment value diF * SPr

The default value is set to 0.5 and the parameter is hidden by default.

"Spr" deﬁnes the position of the set point in relation to cut-in and cut-out.

"Spr=0,5" sets the set point mid between cut-in and cut-out.

"Spr=0" sets the set point at the cutout. "Spr=1" sets the set point at cut-in.

"diF"

Min. 0.0 K

Max. 20.0 K

Default 2.0 K

Thermostat diﬀerential

This deﬁnes the diﬀerence between the cut-out and the cut-in.

The desired temperature is determined by "SPr" and "diF".

"HSE"

Min. -100.0°C

Max. 200.0°C

Default 50.0°C

Upper limit of thermostat set point

Deﬁne the temperature range limit of the controller.

Once set, the desired temperatue (set point) can not go above "HSE" or

below "LSE".

"LSE"

Min. -100.0°C

Max. 200°C

Default -35.0°C

Lower limit of thermostat set point

Deﬁne the temperature range limit of the controller.

Once set, the desired temperatue (set point) can not go below "LSE".

"iCi"

Min. no

Max. yes

Default no

Initial cut in

Comp relay action when Tair is between cut-in and cut-out at power-up:

"yES": cut in the compressor.

"no": cut out the compressor.

"SSA"

Min. 0

Max. 80

Default 30

Spindle stop angle

Set to zero to disable stop function.

Set to 30 to enable stop function.

FAn Fan settings

"FCt"

Default FAo

Fan control method

"FAo": fan always on

"SEt": fan follow compressor by manually settings

"Aut": automatical fan control

"Fod"

Min. 0 s

Max. 240 s

Default 0 s

Fan ON Delay/Fod

Fod deﬁnes the fan delay (in seconds) after a compressor cut-in.

Fan Stop Delay/FSd

"FSd" deﬁnes the fan delay after a compressor cut-out.

If both "Fod" and "FSd" are set to zero then the fan runs whenever the

compressor runs.

"FSd"

Min. 0 s

Max. 240 s

Default 0 s

"FoC"

Min. 0 s

Max. 960 s

Default 0 s

Fan ON Cycle/FoC

Fan Stop Cycle/FSC

When the compressor is OFF, and "FoC" or "FSC" are not zero, the fan

runs in cycles according to "FoC" and "FSC".

Example: "FoC=120" [sec] and "FSC=120" [sec] means that the fan runs

for half the time when the compressor is OFF. When the compressor is

on, the fan is always ON (according to "FAo" and "Fod").

"FSC"

Min. 0 s

Max. 960 s

Default 0 s

"FSt"

Min. 0 s

Max. 960 s

Default 10 s

Fan Minimum Stop time

Minimum stop time for fan protection.

Menu/functions

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User manual ERC 113 refrigeration controller

"FdC"

Min. -10.0 K

Max. 10.0 K

Default 0.0 K

Fan Δt cut in

Delta T for fan to cut in which the temperature oﬀset comparing with

thermostat cut in temperature.

"Fdt"

Min. 0 s

Max. 999 s

Default 0 s

Fan stop time on door open

The delay with wich the fan will be stopped after the door has been opened.

"0": fan stop immediately when door open.

"1-998": delay for fan stop after door open.

"999": fan keep running all the time during door open.

Lig Light settings

"CLC"

Min. on

Max. dor

Default on

Cabinet Light Source Control

This parameter can be set to one of these alternatives to control the light

in the cabinet:

"on": always ON.

"oFF": always OFF.

"dor": door sensor only.

"Lod"

Min. 0 s

Max. 300 s

Default 0 s

Light OFF delay

Number of seconds the light will stay ON after the door has been closed.

Pud Pull Down settings

Pull down (sometimes known as Super Cool) is a procedure for improving

cooling performance, accelerating the time used to reach the desired

temperature. Pull down settings overrule all other settings.

"Pit"

Min. -40.0°C

Max. 50.0°C

Default 50.0°C

Pull Down Initiate Temperature

This parameter indicates the temperature which causes a pull

down to start. If the temperature measured inside the cabinet

exceeds this value for longer than one hour, then pull down will

start. The compressor will have already cut-in, so the only eﬀect

is to stop defrost cycles until the desired temperature is reached.

The period of one hour is ﬁxed and cannot be altered.

"PCy"

Min. 0 min

Max. 360 min

Default 30 min

Pull Down Cycling

This is the duration in minutes of the compressor cycling at the reduced

set point temperature. Once the desired pull down limit temperature

"PLt" has been reached during pull down, the compressor will continue to

cycle ON/OFF for the duration of "PCy". At the end of the period deﬁned by

"PCy", the set point temperature will return to normal and pull down will

cease.

"Pdi"

Min. 0 hour

Max. 48 hour

Default 15 hour

Pull Down Defrost Interval

Even though most applications do not need Defrost during pull down, an

extended defrost during pull down can be applied. This is the time

between defrost cycles during pull down. It is measured in hours and can

be up to 48 hours.During pull down, this setting overrides the defrost

interval and defrost time settings (see the defrost section).

"Pdd"

Min. 0 hour

Max. 48 hour

Default 24 hour

Pull Down Duration

You can choose to limit the maximum pull down time. Once this time

value (max. 48 hours) is reached, pull down will stop regardless of

whether the desired pull-down temperature has been reached.

"PLt"

Min. -55.0°C

Max. 55.0°C

Default 0.0°C

Pull Down Limit Temperature

This parameter sets the minimum allowed temperature during pull-down.

In order to protect valuable contents you must always specify the absolute

minimum temperature allowed in your application.

For glass door merchandisers 0°C/32°F protects bottles from freezing;

for commercial fridges you may opt for a slightly higher temperature

(e.g. 2°C)

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User manual ERC 113 refrigeration controller

"Prt"

Min. 0.0 K

Max. 10.0 K

Default 0.1 K

Pull Down Reduction Temperature Δt

The controller calculates a lower set point during pull down mode to

increase the cooling capacity of your appliance. For each hour the

cabinet temperature is above the pull down initiate temperature,

the set point is reduced with the value of "Prt".

dEF Defrost settings

"dFt"

Default no

Defrost Type

"no": defrost function is disabled.

"EL": electrical or time defrost.

"Hgd": hot gas defrost (contact Danfoss for details).

"nat": OFF-cycle defrost (natural defrost).

"Add"

Min. no

Max. yes

Default no

Adaptive defrost

"no": defrost controlled by time.

"yES": automatic defrost control activated.

"dtt"

Min. 0.0°C

Max. 25.0°C

Default 6.0°C

Terminate Temperature

This parameter deﬁnes at what temperature the defrost cycle will stop.

The temperature is given by the evaporator sensor or by the cabinet

temperature sensor if no evaporator sensor is used.

"drt"

Min. 0.0°C

Max. 200.0°C

Default 5.0°C

Defrost reset temperature

The defrost counter is saved and restored at power-up, but if the

temperature sensor, used for defrost, is higher than this value at

power-up, it is assumed that the evaporator is free of ice and the

defrost counter will be cleared.

"dii"

Min. 1 hour

Max. 96 hour

Default 6 hour

Defrost minimum Interval/dii

Deﬁnes the minimum time period between the start of two defrost cycles.

Once the minimum interval has expired, the defrost cycle will start at

the following cut-out or once the maximum interval "dAi" has been

reached.

"dAi"

Min. 1 hour

Max. 96 hour

Default 7 hour

Maximum Interval

Deﬁnes the maximum time period between the start of two defrost cycles.

"dit"

Min. 0 min

Max. 240 min

Default 5 min

Minimum Time

Deﬁnes the minimum duration of a defrost cycle. During this period, the

controller will not check the temperature. Once the minimum time has

expired, the temperature will be checked and if the terminate temperature

"dtt" has been reached, the defrost cycle will end. If dtt has not been

reached, defrost will continue until either dtt is reached or the

maximum time "dAt" reached, whichever occurs ﬁrst.

"dAt"

Min. 0 min

Max. 480 min

Default 30 min

Maximum Time

Deﬁnes the maximum duration of a defrost cycle.

The controller will not allow a maximum time to be entered which is

less than the minimum time, or a minimum time which is more than the

maximum time.

"dot"

Min. 0 min

Max. 60 min

Default 0 min

Drip OFF Time

This parameter can be set to between 0 and 60 minutes and deﬁnes how long the delay is between the heater being switched

OFF and the compressor starting again.

"Fdd"

Min. 0 s

Max. 600 s

Default 0 s

Fan Delay after Defrost

Deﬁnes how long the delay is between the start of the compressor after

defrostand the fan starting again.

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User manual ERC 113 refrigeration controller

"Ftd"

Min. -25.0°C

Max. 25.0°C

Default 25.0°C

Fan Start Temperature

This only applies if an evaporator temperature sensor is ﬁtted.

This parameter determines at what evaporator temperature the fan will

start after a defrost cycle is complete.

If the time set in "Fdd" occurs before the temperature set in "Ftd", the fan

will start in line with "Fdd". If the temperature set in "Ftd" occurs ﬁrst,

then the fan will start in line with "Ftd". It is therefore a case of whichever

parameter’s setting is reached ﬁrst which determines when the fan starts.

"dFA"

Min. no

Max. yes

Default no

Defrost Fan On

Set to "yES", the fan will constantly run during defrost cycles.

Set to "no", the fan will not run during defrost cycles.

"dCt"

Min. no

Max. yes

Default no

Defrost ON Compressor Time

If this parameter is set to "yES", then defrost time is considered only when compressor is ON, so that defrost cycles are based on

the total time the compressor has been running. If this parameter is set to no, then defrost cycles are related to elapsed time,

regardless of how long and how often the compressor has been on.

"doC"

Min. 0 hour

Max. 24 hour

Default 0 hour

Defrost by Comp. running time

Continuous compressor running can cause defrost.

"0" = deactived

"dEt"

Min. -50.0°C

Max. 0.0°C

Default -50.0°C

Defrost start evaporator temp

Defrost start trigger for adaptive defrost.

"ddt"

Min. 0.0 K

Max. 30.0 K

Default 5.0 K

Defrost Δt

Defrost Δt compare with evaporator temperature of ﬁrst cut out after

defrost to trigger defrost start.

The defrost start if evaporator temperature has decreased more the "ddt"

"idi"

Min. 0 hour

Max. 96 hour

Default 3 hour

Initial Defrost Interval

The initial defrost interval determines the time for ﬁrst defrost after

power-up. The initial defrost is mainly intended for factory testing of the

defrost functionality and can be set to expire after a number compressor

cycles according to the setting of parameter idd. During normal operation,

the defrost counter will be saved in memory and restored after power loss,

making the initial defrost unnecessary.

"idd"

Min. 0

Max. 999

Default 100

Initial Defrost Duration

The initial defrost duration is the number of compressor cycles before

the initial defrost is deactivated.

"0": "idi" No initial defrost.

"1-998": number of compressor cycles before deactivation.

"999": initial defrost always active.

CoP Compressor settings

"uPt"

Min. no

Max. yes

Default no

Voltage protection

"no": no voltage protection.

"yES": voltage protection activated based on voltage related settings.

10 DKRCC.ES.RL0.F5.02 Produced by Danfoss A/S (ADAP-KOOL®) | 2016-07

This manual suits for next models

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