Danfoss ERC 112D VSC Bedienungsanleitung

User Guide

Electronic Refrigeration Controller

ERC 112D VSC for variable speed

compressor

This user guide is intended to be used by OEMs for the purpose of

programming ERC 112D VSC. It may also be useful for technicians.

However, it is not intended as a user guide for end users.

www.danfoss.com/erc

Application

Advantages

Approvals

Password protected

Temperature control for refrigeration appliances.

Speed control of variable speed compressor.

Front panel mounting.

The latest generation CPU, plenty of memory

and high-end electronic components allow for

a uniquely versatile software. Three separate

password-protected user levels can be used to

control more than 300 diﬀerent parameters to ﬁt

all individual requirements.

R290/R600a end-use applications employing in

accordance to EN/IEC 60335-2-24, annex CC and

EN/IEC 60335-2-89, annex BB;

Glow wire according to EN/IEC 60335-1;

IEC/EN 60730

UL60730

NSF

CQC

EAC

Ukraine

The access level can be set separately for each

parameter using KoolProg Software Tool.

There are three levels of access 1, 2, 3:

- level 1 is for shop access;

- level 2 for technicians;

- level 3 for OEMs.

The access levels cannot be set using the buttons.

Passwords for the diﬀerent levels can however be

altered for the level of access you have,

e.g. a level 2 user can change the password for

level 1 and level 2 but not level 3.

Introduction

User Guide | ERC 112D VSC Refrigeration Controller

2 | BC286552322855en-000201 © Danfoss | DCS (vt) | 2019.07

Typical application

Glass Door Merchandiser

No-frost freezer/sub-zero cooler

Gastro

No-frost freezer/Cooler

User Guide | ERC 112D VSC Refrigeration Controller

Display

Buttons

The ERC 112D VSC is an electronic refrigeration

controller with an LED display especially

developed for bottle coolers and commercial

fridges and freezers where a Variable speed

compressor is installed. It is particularly suited

for OEM customers where time, easy and reliable

installation and high quality need to go hand in

hand with ﬂexibility.

The upper left button is "Defrost".

The lower left button is "Super chill".

Clips Are used to secure the controller in place in the

case of rear mounting. They are not used with

front mounting.

There are two identical clips, one placed on

either side of the controller.

Front frame The front frame provides a proper ﬁnish but can

also be used to secure the controller in place

when using front mounting. In this case, clamps

are not required. Contact Danfoss for details.

"S1"

Temperature sensor for

cabinet

"S2"

Temperature sensor for

defrost

"S3"

Temperature sensor for

condenser, light sensor or

Motion sensor

"S4"

Frequency signal for variable

speed compressor.

5 V, 0-200 Hz

"di"

Door signal or

Motion sensor

Defrost sensor

The function of an input can be reprogrammed,

but the connector can not be moved.

The connector is designed to only one location.

"S1" to "S1", "S2" to "S2", etc.

Control temperature sensor

There are diﬀerent lengths.

Defrost temperature sensor

Should be mounted on the evaporator.

Condenser temperature sensor

Should be mounted on the condenser.

Light sensor

Is optional and is used to measure the level of

ambient light around the cabinet so that night

and day "Economy", "Normal" modes of operation

can automatically be set, as well as the brightness

of the display.

Frequency Signal

Connected to variable speed compressor drive

frequency input port.

Motion sensor

Should be mounted on the cabinet front.

Door sensor connector cable

Is optional and is a connector and cable with

spade terminals compatible with door contacts

used in refrigeration applications.

Product overview

User Guide | ERC 112D VSC Refrigeration Controller

4 | BC286552322855en-000201 © Danfoss | DCS (vt) | 2019.07

Quick programming

KoolProg

Software from Danfoss for programming the

ERC-controller via a PC rather than with the front

panel buttons.

https://www.danfoss.com/en/service-and-

support/downloads/dcs/koolprog/

Software for PC

USB gateway

USB programming key

Docking station

USB gateway

The USB Gateway is a laboratory tool, oﬀering

fast and easy programming of any ERC

controller connected directly to the PC.

"KoolProg Software" installation kit is provided

for the PC. The gateway is standard inventory

for OEM labs.

Programming an individual unit in a

laboratory

The USB key requires "KoolProg Software"

running on a PC. It enables parameters to be set

in real time and an array of status information to

be read (bidirectional connection).

Once the desired settings have been

determined, a speciﬁc parameter ﬁle is saved to

the USB key for later mass programming through

the docking station.

Mass programming on an assembly line:

The docking station is used for high volume

programming of ERC controllers, for example on

an assembly line. The docking station is a

write-only device.

The USB key, is to be inserted into the docking

station. The settings are then loaded into each

successive controller in a matter of seconds.

"KoolProg Software" is not required for mass

programming.

User Guide | ERC 112D VSC Refrigeration Controller

Dimensions

Power Supply 100 - 240 V AC Switch mode power supply. Average 0.7 W

Purpose of control To control commercial Refrigeration Applications using variable speed compressor

Construction of Control Electronic control for incorporation for use in Class I and Class II appliance

Automatic Action Micro- disconnection on operation type 1.B

Input

4 inputs: 3 analogue (digital), 1 digital; user specific assignment

• Cabinet air/Evaporator/Condenser • Door sensor: all types, user specific

• Light sensor: Danfoss ECO light sensor • Motion sensor

Output

UL60730 EN60730

"DO1" 120 V AC: 16 A resistive/FLA16/LRA72

240 V AC: 10 A resistive/FLA10/LRA60 16(16) A

"DO4" 8 A resistive, FLA2/LRA12, TV-1 8 A resistive, 2(2) A

"DO5" FL A2/LRA12, T V-1 8 A resistive, 2(2) A

"DO6" FL A2/LRA12, T V-1 8 A resistive, 2(2) A

Max 10 A total "DO4-6"

S4: Frequency Signal for Variable speed 5 V, 0-200 Hz

Probes Danfoss NTC sensors and Danfoss ECO accessories (Light, Motion and Door sensors)

Connectors Modular connector system for OEM customers, with optional output screw terminal adapter;

S1-S4 & Di: RAST 2.5 edge, DO1-DO4, Line & Neutral- RAST 5 standard

Programming Programming with Danfoss PC software, gateway, EKA 183A

Assembly Front mounting; Brackets

Display LED display, 3 digit, decimal point and multi functionality icons; °C/°F scale

Keypad 4 buttons (integrated IP65 design), 2 left, 2 right; user programmable

Operating Conditions 0°C – 55°C, 93% rH

Storage Conditions -40°C – 85°C, 93% rH

Range of Measurement -40°C – 85°C

Protection Front: IP65

Rear: water and dust protection corresponds to IP31, accessibility of connectors limit rear part rating to IP00

Environmental Pollution degree II, non-condensing

Resistance to heat & fire Category D (UL94-V0)

EMC category Category I

Over Voltage Category Category II (IEC 60664-1)

Temperature for Ball Pres-

sure Test According to EN 60730-1, Annex G

For SELV Circuits Input Probes or Digital Input connected to SELV limited energy >15W

Operating Cycles Main relay: more than 175,000 at full load (16A (16A))

Approvals

R290/R600a end-use applications employing in accordance to

EN/IEC 60335-2-24, annex CC and EN/IEC 60335-2-89, annex BB

Glow wire according to EN/IEC 60335-1

IEC/EN 60730

UL60730

NSF

CQC

EAC

Ukraine

These approvals are only valid when used with recommended Danfoss

accessories.

Technical specs

IMPORTANT NOTE

The inputs and frequency signal port are not galvanic isolated and are connected directly to the mains supply!

For that reason, door-switches, sensors as well as the cables must fulﬁl the reinforced insulation requirements.

30 mm

71 mm

28,5 mm

71 mm

78,25 mm

36,5 mm

78,25 mm

82,25 mm

28 mm

Rear mounting

(Lock with clips)

Front mounting

(Lock with frame)

User Guide | ERC 112D VSC Refrigeration Controller

6 | BC286552322855en-000201 © Danfoss | DCS (vt) | 2019.07

Connections

(Inputs and outputs are conﬁgurable)

Application:

Light / Motion, Door

Application:

Condenser, Door / Motion

Cabinet

temp. sensor

Evaporator

temp. sensor

Light / Motion

VS Compressor

Drive

Door

Cabinet

temp. sensor

Evaporator

temp. sensor

Condenser

VS Compressor

Drive

Door / Motion

User Guide | ERC 112D VSC Refrigeration Controller

Type I-Pack

Qty. Code no.

Light-sensors

S3, 1000 mm, 3-pole 108 080G3311

S3, 2000 mm, 3-pole 108 080G3313

S3, 3000 mm, 3-pole 108 080G3315

Cable, variable speed compressor

S4, 3500 mm, 3-pole 81 080G3397

Magnetic door sensor

di, 1000 mm, 3-pole 81 080G3320

di, 2000 mm, 3-pole 81 080G3322

di, 3000 mm, 3-pole 81 080G3324

Cable door sensor

di, 1000 mm, 3-pole 108 080G3340

di, 2000 mm, 3-pole 108 080G3341

di, 3000 mm, 3-pole 108 080G3342

di, 4000 mm, 3-pole 81 080G3343

Motion sensor

S3/di, 3000 mm, 3-pole 27 080G3392

Clips

Black (2 needed per controller) 54 080G3308

Programming

OEM Docking station, production

line

1080G9701

Gateway incl USB Cable, R&D 1 080G9711

Programming key EKA183A 1 080G9740

Power plug *

6-pole with screw 54 080G3357

* The connectors are rated for 28 Amps max.

Sx (di)= connector position.

Inputs are conﬁgurable.

Type I-Pack

Qty. Code no.

ERC 112D VSC, Blue LED, with

buzzer

27 080G3414

Temperature sensors

-40 – 80 °C, PVC Standard, NTC 5 K

S1, 470 mm, 3-pole 120 077F8751

S1, 1000 mm, 3-pole 120 077F8757

S1, 1500 mm, 3-pole 120 077F8761

S1, 2000 mm, 3-pole 120 077F8765

S1, 2200 mm, 3-pole 120 077F8767

S1, 3000 mm, 3-pole 60 077F8769

S1, 3500 mm, 3-pole 60 077F8723

S1, 6000 mm, 3-pole 27 080G2019

-40 – 120 °C, TPE precision NTC 5 K, Santroprene

S1, 1500 mm, 3-pole 120 077F8726

S1, 2000 mm, 3-pole 120 077F8727

-20 – 200 °C, Silicone rubber cable, NTC 100 K

S1/S3, 2000 mm, 3-pole 108 080G2043

-40 – 80 °C, PVC Standard, NTC 5 K

S2, 1000 mm, 2-pole 120 077F8786

S2, 1500 mm, 2-pole 120 077F8790

S2, 2000 mm, 2-pole 120 077F8794

S2, 3000 mm, 2-pole 60 077F8798

S2, 6000 mm, 2-pole 27 080G2029

S3, 1000 mm, 3-pole 120 077F8756

S3, 1500 mm, 3-pole 120 077F8760

S3, 2200 mm, 3-pole 120 077F8766

S3, 3000 mm, 3-pole 60 077F8768

S3, 6000 mm, 3-pole 27 080G2039

Code numbers

Note: For more information about temperature sensor

types and connectors, please refer to Danfoss’ technical

brochure "NTC type temperature sensors for ETC & ERC

controllers".

User Guide | ERC 112D VSC Refrigeration Controller

8 | BC286552322855en-000201 © Danfoss | DCS (vt) | 2019.07

Examples

Manual operation with

buttons (Direct Access)

Changing the Desired Temperature 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

Acknowledging Alarms:

1. Display Flashing the alarm message.

2. Press any button to acknowledge.

Password protection:

1. Press "^" and "v" together and hold 5 seconds

to access the menu.

2. The display shows "PAS" (only if conﬁgured for

password protection).

3. Press "OK".

4. Press "^" / "v" 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).

Changing a Parameter

Some parameters may be hidden to you.

Your access level will determine which

parameters you can view and edit:

1. Press "^" and "v" together and hold 5 seconds

to access the menu.

2. First parameter group is shown "tHE".

3. Press "^" and "v" to ﬁnd the desired group.

4. Press "OK".

5. First parameter is shown.

6. Press "^" and "v" to ﬁnd the desired

parameter.

7. Press "OK".

8. Press "^" and "v" 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

Software tool/Gateway

Docking station

The controller can be controlled in three ways:

Using "KoolProg Software", the Danfoss Docking

Station or manually by means of the buttons on

the front panel.

Docking station is supplied separately.

For further information, please contact your local

Danfoss representative.

"KoolProg Software" 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.

1 Press: variable direct

function, e.g. “Defrost”

Sub function: back

1 Press: variable direct

function, e.g. Super Chill

Sub function: “OK”

1 Press: temperature set point

Sub function: “up”

1 Press: temperature set point

Sub function: “down”

User Guide | ERC 112D VSC 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 112D VSC; 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

This parameter is to set the refrigeration system action when cab air temperature is between cut-in and cut-out at power up.

yES : Switch on the refrigeration system immediately.

no: Keep the refrigeration system oﬀ until cab air temp reaches cut in temperature.

FAn Fan settings

"FCt"

Default FAo

Fan control method

"FAo": fan always on

"SEt": fan follow compressor by manual settings. (FoC and FSC needs to be set accordingly)

"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.

"FdC"

Min. -10.0 K

Max. 10.0 K

Default 0.0 K

Fan Δt cut in

(This parameter is only applicable with Automatic fan control "Aut" mode.)

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

thermostat cut in temperature.

Menu/functions

User Guide | ERC 112D VSC Refrigeration Controller

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