Danfoss erc 112 User Manual
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Danfoss erc 112 User Manual

Bottle cooler refrigerator controller
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ERC 112 refrigeration controller
Bottle cooler controller
ERC 112
This reference manual is intended to be used primarily by OEMs for the purposes
of programming ERC 112. It may also be useful for technicians. It is not intended
as a user guide for end users.
www.danfoss.com/erc

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  • Page 1 Bottle cooler controller ERC 112 This reference manual is intended to be used primarily by OEMs for the purposes of programming ERC 112. It may also be useful for technicians. It is not intended as a user guide for end users. www.danfoss.com/erc...
  • Page 2 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. DKRCC.ES.RL0.D5.02 / 520H8676 Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014...
  • Page 3 No-frost freezer/sub-zero cooler S3, S4 are optional Glass Door Merchandiser S2, S3, S4 are optional Gastro No-frost freezer S3, S4 are optional Gastro Cooler S2, S3, S4 are optional Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014 DKRCC.ES.RL0.D5.02 / 520H8676...
  • Page 4 User manual ERC 112 refrigeration controller Product overview Display The ERC 112 is an electronic refrigeration controller with an LED display especially developed for bottle coolers and commercial fridges and freezers. It is particularly suited for OEM customers where time, easy and reliable installation and high quality need to go hand in hand with flexibility.
  • Page 5 Quick programming Software for PC Software tool Software from Danfoss for programming the ERC 112 via a USB gateway and a PC rather than with the front panel buttons. USB gateway USB gateway The USB Gateway is a laboratory tool, offering fast and easy programming of any ERC controller connected directly to the PC.
  • Page 6 Input connector type: Rast2 5 Edge connectors; output connector type: RAST 5 standard Programming Programming with Danfoss ERC docking station, integrated system Assembly 3 types for all controls: front mounting; brackets; fully integrated solution (requires OEM specific design of mounting hole) Display LED display, 3 digit, decimal point and multi functionality icons;...
  • Page 7 User manual ERC 112 refrigeration controller Connections ERC 112C (3 relays) ERC 112D (4 relays) Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014 DKRCC.ES.RL0.D5.02 / 520H8676...
  • Page 8 S3, 3000 mm, 3-pole 077F8768 S3, 6000 mm, 3-pole 080G2039 Note: For more information about temperature sensor types and connectors, please refer to Danfoss’ technical Sx (di)= connector position. brochure "NTC type temperature sensors for ETC & ERC Inputs are configurable. controllers".
  • Page 9 2. Level 2: "ser" (service technician). case of temperature-sensitive food storage, 3. Level 3: "OEM" (OEM programming). breaches in food hygiene principles and regulations. Only a trained operator should make changes to parameters. Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014 DKRCC.ES.RL0.D5.02 / 520H8676...
  • Page 10 Min. -100.0°C In standard operation the set point is changed by simply pressing the Max. 200.0°C "temperature up/down" buttons on ERC 112; for laboratory and Default 2.0°C assembly line you may opt for software controlled set point adjustment (speed improvement) "SPr"...
  • Page 11 For each hour the Max. 10.0 K cabinet temperature is above the pull down initiate temperature, Default 0.1 K the set point is reduced with the value of "Prt". Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014 DKRCC.ES.RL0.D5.02 / 520H8676...
  • Page 12 Defrost settings "dFt" Defrost Type "no": defrost function is disabled. Default no "EL": electrical or time defrost. "Hgd": hot gas defrost (contact Danfoss for details). "nat": OFF-cycle defrost (natural defrost). "Add" Adaptive defrost "no": defrost controlled by time. Min. no "yES": automatic defrost control activated.
  • Page 13 OFF. "EHd" Sensor Error Type "no": no sensor error handling. Default no "SEt": in case of control sensor error, follow error run/stop time. "Aut": automatical sensor error handling. Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014 DKRCC.ES.RL0.D5.02 / 520H8676...
  • Page 14 NOTE: A condensor temperature sensor is required to use these parameters. Condenser protection is generally used in dusty environments where the condenser may accumulate a layer of dust or dirt and therefore be at risk of overheating. DKRCC.ES.RL0.D5.02 / 520H8676 Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014...
  • Page 15 The controller can have its display intensity (brightness) set in one of Min. 2 two ways: Max. 10 A) With a Danfoss ambient light sensor attached, the brightness of the Default 10 display is adjusted automatically according to the ambient light level (see the assignments section).
  • Page 16 "yES": show defrost symbol on display. Max. yes Default yes "SES" Show ECO symbol "no": ECO symbol will not show on display. Min. no "yES": show ECO symbol on display. Max. yes Default yes DKRCC.ES.RL0.D5.02 / 520H8676 Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014...
  • Page 17 In some cases, it may be necessary for a user or technician to take action in order to clear the alarm. If set to 0, the alarm will never sound. Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014 DKRCC.ES.RL0.D5.02 / 520H8676...
  • Page 18 ECO strategy NOTE: some of these parameters require the installation of the Danfoss Ambient Light Sensor. The Danfoss USB Gateway in combination with "Software tool" allows for real time measurement of the current light intensity. Danfoss recommends testing and adjusting "SLd" and "SLn"...
  • Page 19 ERC 112 refrigeration controller "ECt" Action counter time Door action or "PIR" action within action counter time can trigger Min. 0 min exiting ECO (can only be accessed by Danfoss). Max. 180 min Default 30 min "Edd" Door delay Door delay after door close to trigger entering ECO Min.
  • Page 20 NOTE: coded sensors will impact on the number of possible configurations. For instance: Danfoss supplies only 2-pole defrost sensors, so input "S3" will most likely be used as a defrost/evaporator temperature sensor input. DKRCC.ES.RL0.D5.02 / 520H8676 Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014...
  • Page 21 Default dEF D04 Config/o4C "no": not used. "o3C" "dEF": electric defrost heater/valve for hot gas. Default FAn "ALA": alamr output. "FAn": fan control. "o4C" "Lig": light control. Default Lig Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014 DKRCC.ES.RL0.D5.02 / 520H8676...
  • Page 22 You may not therefore have access to change all the passwords. Passwords are entered by using the up and down arrow buttons. Min. 0 Max. 999 Danfoss advises against using passwords which are easy to remember Default 0 or enter, for example 111, 222, 123 etc. "PS3"...
  • Page 23 Resets all parameters to last good OEM settings. "Ctt" Condenser Temp Temperature of the condensor sensor. "Et1" Evaporator1 Temp Temperature of the evaporator sensor1. "Et2" Evaporator2 Temp Temperature of the evaporator sensor2. Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014 DKRCC.ES.RL0.D5.02 / 520H8676...
  • Page 24 Device has not finished programming (relay output is lockt) "Eco" Device is in Eco mode "SC" Device is in pull-down mode (super-chill) "dEF" Device is defrosting "HoL" Device is in Holiday mode DKRCC.ES.RL0.D5.02 / 520H8676 Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014...
  • Page 25 Blink "E03". If configured: cut in alarm relay, beep the buzzer "S3" sensor failure (short or open) "E04" "S4" error Always Blink "E04". If configured: cut in alarm relay, beep the buzzer "S4" sensor failure (short or open) Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014 DKRCC.ES.RL0.D5.02 / 520H8676...
  • Page 26 3000 mm 077F8798 3000 mm 077F8768 4000 mm 080G3393 4000 mm 080G3343 2200 mm 077F8767 6000 mm 080G2029 6000 mm 080G2039 3000 mm 077F8769 3500 mm 077F8723 6000 mm 080G2019 DKRCC.ES.RL0.D5.02 / 520H8676 Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014...
  • Page 27 2000 mm 077F8765 3000 mm 077F8798 3000 mm 077F8768 4000 mm 080G3343 077F8767 080G2029 080G2039 2200 mm 6000 mm 6000 mm 3000 mm 077F8769 077F8723 3500 mm 6000 mm 080G2019 Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014 DKRCC.ES.RL0.D5.02 / 520H8676...
  • Page 28 • Condenser sensor or light sensor are optional and can be omitted. • Defrost sensor is mandatory when electrical heater is used for defrost. For natural defrost it can be omitted. DKRCC.ES.RL0.D5.02 / 520H8676 Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014...
  • Page 29 The evaporator sensor is only used for de-icing of the evaporator and has no control purpose. Placement of sensor Place the sensor where the ice melts last. Please be aware of that sharp finns can damage the cable. Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014 DKRCC.ES.RL0.D5.02 / 520H8676...
  • Page 30 The door sensor is used to detect buying activity and to stop the fan when the door is opened. Door sensor Danfoss does not supply the door-switch. Use the door-switch you have and connect it to the cable supplied by Danfoss.
  • Page 31 User manual ERC 112 refrigeration controller Produced by Danfoss A/S (EL-MSSM/AZ) | April 2014 DKRCC.ES.RL0.D5.02 / 520H8676...
  • Page 32 ERC 112 refrigeration controller Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alternations can be made without subsequential changes being necessary in specifications already agreed.

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