STIEBEL ELTRON EAC 5 Operation And Installation
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STIEBEL ELTRON EAC 5 Operation And Installation

Charge controller
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OPERATION AND INSTALLATION
Charge controller
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Summary of Contents for STIEBEL ELTRON EAC 5

  • Page 1 OPERATION AND INSTALLATION Charge controller » EAC 5...

  • Page 2: Table Of Contents

    User menu ........... 32 When installing this device or working on it always observe Idle screen ..........32 the safety instructions given at the end of this document! Operation ..........35 Information ..........40 Setup ............42 2 | EAC 5 www.stiebel-eltron.com...

  • Page 3: Scope Of Delivery

    SCOPE OF DELIVERY Scope of delivery Charge Controller EAC 5 Installation quick reference guide EAC 5 (for the installer) Operation instructions EAC 5 (for the user) Pencil (Rubber tip can be used to operate the Touch Display) www.stiebel-eltron.com EAC 5 | 3...

  • Page 4: Overview

    Overview The charge controller EAC 5 provides several applications, selectable during installation, which allow to choose the The charge controller EAC 5 has been designed for use in charging model (Classic, Self-learning, Reduced). heating systems with electrical storage heaters. Complementary devices...

  • Page 5: Functions

     Password System cording to its parameter settings.  User Interface The EAC 5, however, knows the current date and time and ideally has information on outdoor temperature, release sig- nals and user preferences (time schedules) for the next 24 hours.

  • Page 6: Applications

    "Detail settings" menu to match the specifics of a particular installation. * not for variable charging models, where the release times depend on outdoor temperature or day of week. For these, the correct se- lection is Classic / Forward control w/o time function 6 | EAC 5 www.stiebel-eltron.com...

  • Page 7: System Control

    For a description of these charging models see the corre- Selectable operating modes: sponding standard.  Standby: heating operation off, only frost protection ac- Self-learning charging models of the EAC 5: tive  Temperature forecast (TempFcast)  Manual: manual setting of the heat level through the ...
  • Page 8 SH The control of the signal output can assume the following contactor: states: 8 | EAC 5 www.stiebel-eltron.com...
  • Page 9 SH relay on Note: When using the models CR Standby or ED Switch-off it is essential to switch the heating current of the entire instal- lation with a main contactor which is driven from the SH output. www.stiebel-eltron.com EAC 5 | 9...

  • Page 10: Heat Demand

    (type of structure) and its insu-  Reset: initialising lation. An efficient heat demand calculation must take this 10 | EAC 5 www.stiebel-eltron.com...
  • Page 11 100% at The past values of the outdoor temperature (outdoor tem- rated full power. perature sensor or historical weather data) are subject to the selected delay time and result in the so-called "effective out- door temperature". www.stiebel-eltron.com EAC 5 | 11...
  • Page 12 Initially, the base charge depends on the type of heating element, however, it can be modified to some extent by the user preferences. The start of heating can be adjusted to the individual user pref- erences. 12 | EAC 5 www.stiebel-eltron.com...
  • Page 13 1990 makes a HDF of 75/170*100 = 44%. A heat demand factor (HDF) calculated by this method should be adapted according to the user experience some time after installation of the controller (too cold: increase HDF, too warm: decrease HDF). www.stiebel-eltron.com EAC 5 | 13...

  • Page 14: Charge Release

    LL signal. For the self-learning Concerning the use of these signals the technical connection charging models LL is not required. conditions of the corresponding network operator have to be followed in any case. 14 | EAC 5 www.stiebel-eltron.com...
  • Page 15 (the clockwork keeps running independent of this cut-off) by simultaneously excit- ing the terminals LF and LZ and activating the model FWCw/oT. Depending on the value of the parameter FBD www.stiebel-eltron.com EAC 5 | 15...

  • Page 16: Charging Models

    The energy forecast requires a predictive release for the sim-  TempFcast Off: charging model not activated (no release ulation and thus is reasonably usable only with the release or no heat demand) methods fixed LF/LZ signals, release program and timetable. 16 | EAC 5 www.stiebel-eltron.com...
  • Page 17 These methods are mainly used with charging times 8+0h and 8+2h, respectively. Other charging times can be imple- mented, this, however, frequently requires a precise adjust- ment of the time parameters E3, E11, E12, E13 as well as, if www.stiebel-eltron.com EAC 5 | 17...
  • Page 18 Hence, they are contained in the heat demand section. States The system states of these models are: 18 | EAC 5 www.stiebel-eltron.com...

  • Page 19: Control System

    For these controllers, an ED signal representing 100% target charge rate still must have a base duty cycle of 2%. All characteristics of the control signals are adjustable through corresponding parameters. www.stiebel-eltron.com EAC 5 | 19...

  • Page 20: Password System

    1 to 3 and thus to unlock the controller. The super password is documented in the chapter "Installation". In case of prob- lems the technical customer service can be contacted. 20 | EAC 5 www.stiebel-eltron.com...

  • Page 21: User Interface

    Edit edit entry activate entry Deact deactivate entry abort 0..9 decimal keypad Should the menu get no response on a data query the dis- play will show the string "~~~" instead of the parameter val- www.stiebel-eltron.com EAC 5 | 21...

  • Page 22: Installation

     Mounting in distribution cabinets as per DIN 57659/VDE 0659 The regulations of VDE 0100 are to be complied with. According to DIN EN 50350, a controller with ED system must be mounted at the coldest location, i.e. in the bottom 22 | EAC 5 www.stiebel-eltron.com...

  • Page 23: Wiring

     The maximum control power of a controller device with AC control output must not be exceeded. It is advisable to protect the power supply of the entire heat- ing control system through a separate circuit breaker, inde- pendent of the heating current itself. www.stiebel-eltron.com EAC 5 | 23...
  • Page 24 Switching output for driving main con- tactor * Reserved terminals must not be used as supporting terminals. ** Attention: During start-up, it is essential to select the correct type that corresponds to the connected sensor! 24 | EAC 5 www.stiebel-eltron.com...
  • Page 25 INSTALLATION: WIRING Terminal assignment EAC 5 Connection diagram EAC 5 www.stiebel-eltron.com EAC 5 | 25...

  • Page 26: Start-Up

    Under the menu branch > an in- dividual password system with up to three levels can be set Password system up, see chapter . All established passwords can be deleted by entering the super password 37603. 26 | EAC 5 www.stiebel-eltron.com...
  • Page 27 ● Control model charge ● Runtime ● ● ● ED system ● ● ● Internet gateway ● ● ● Server Connection status Gateway ID Registration TAN Region ● ● ● Date/time Date/time Type of summertime www.stiebel-eltron.com EAC 5 | 27...
  • Page 28 Selection of the charging model for the classic methods as per DIN EN 50350, forward control (with and without time func- tion) and backward control, see also Charging Models , page 16. Factory setting: Backward, setting options: Forward w/o.T. | Forward w.T. | Backward 28 | EAC 5 www.stiebel-eltron.com...
  • Page 29  Storage heaters electronic ED system 80%  Storage heaters thermo-mech. ED system 72%  Storage heaters electronic ED system 72%  Storage heaters thermo-mech. ED system 37%  Storage heaters electronic ED system 37% www.stiebel-eltron.com EAC 5 | 29...
  • Page 30 Unambiguous identification (ID) of the internet gateway and thereby of the installation on the tekmar server. This ID is re- quired for registering the installation on the TAV server. Internet Gateway Operation and Installation Instructions See also 30 | EAC 5 www.stiebel-eltron.com...
  • Page 31 Installer > Start-up Date/time Setting of the current date and time. Detailed steps see , page 43. Type of summertime Installer > Start-up Selection of the automatic summertime changeover. Factory setting: Europe, setting options: Off | Europe www.stiebel-eltron.com EAC 5 | 31...

  • Page 32: User Menu

     status of the connection between internet gateway and tekmar TAV server (value ~~~ indicates a missing connection to the gateway) Self-learning Example: Idle screen of the application 32 | EAC 5 www.stiebel-eltron.com...
  • Page 33 Week program 4 Holiday program Start of holiday End of holiday Heat level holiday Information System state Target rate of charge as per heat demand Runtime Total release duration per day Server Connection status Gateway ID www.stiebel-eltron.com EAC 5 | 33...
  • Page 34 Living comfort Substitute temperature Use of fan Runtime Intensity daytime charge Date/time Date/time Type of summertime Language Language Display Contrast Brightness menu Brightness idle Installer For the installer only Options: Application Classic Application Self-learning Internet gateway 34 | EAC 5 www.stiebel-eltron.com...

  • Page 35: Operation

    Menu Operation Operating mode 1. Select > > 2. Press Chng Plus Minus Select the desired operating mode using the keys (+ or -). Save 4. Press  The new operating mode is made effective. www.stiebel-eltron.com EAC 5 | 35...

  • Page 36: Heat Level Manual

    Examples are weekend homes which should get the normal charge only from Friday to Sunday, or offices where the charging should be reduced from Friday evening to Sunday evening. 36 | EAC 5 www.stiebel-eltron.com...

  • Page 37: Active Week Program

    Menu > Operation > Active week program 1. Select 2. Press Chng Plus Minus 3. Select the desired week program using the keys (+ or -). 4. Press Save  The new week program is made effective. www.stiebel-eltron.com EAC 5 | 37...

  • Page 38: Week Program

     The modifications of the week program are made effective. To add a new entry to a week program, select in step 6. To delete an entry from a week program, select in step 6. Steps 7 and 8 are treated accordingly. 38 | EAC 5 www.stiebel-eltron.com...

  • Page 39: Holiday Program

    Save  Now, the holiday function is automatically activated. At the selected start point in time, the desired operating mode is activated and will be de-activated again at the se- lected end point in time. www.stiebel-eltron.com EAC 5 | 39...

  • Page 40: Information

    Information > Server (activated internet gateway only) Indication of the connection status between gateway and tekmar TAV server. The value ~~~ indicates a missing connection between controller and gateway 1880/(W)LAN-GWI or a missing gateway device. 40 | EAC 5 www.stiebel-eltron.com...
  • Page 41 Transaction number to confirm the gateway ID during registering on the tekmar TAV server (additional protection against misuse of the gateway ID). See also Internet Gateway Operation and Installation Instructions Set passwords Information > Set passwords Setting of passwords for the individual menu levels, see Password System , page 20 www.stiebel-eltron.com EAC 5 | 41...

  • Page 42: Setup

    Example: Data entry at 11:00 in the morning with start of night time release at 22:00  13 hours. Factory setting: <set automatically by signal "Charge release">, setting range: 0 h .. 23 h 42 | EAC 5 www.stiebel-eltron.com...
  • Page 43 Plus Minus keys (+ or -). Save 4. When all parameters are adjusted press to save the changes.  The new date and time are made effective. www.stiebel-eltron.com EAC 5 | 43...
  • Page 44 Setup > Display Adjustment of the display contrast. Brightness menu Setup > Display Adjustment of the display brightness when showing the menu. Brightness idle Setup > Display Adjustment of the display brightness when showing the idle screen. 44 | EAC 5 www.stiebel-eltron.com...

  • Page 45: Installer Menu

    Page column Not every menu item is relevant and visible in every applica- tion. The visibility is marked with ● in the columns for the applications. www.stiebel-eltron.com EAC 5 | 45...
  • Page 46 Total release duration per day ● ● ● Status inputs ● Charging model State throughout the day ● Runtime ● ● ● Control system Target charge rate output ● ● ● Supply voltage ● ● ● ED output 46 | EAC 5 www.stiebel-eltron.com...
  • Page 47 Charging time for 100% charge ● ● ● RT reference frost protection ● ● ● RT range heat level 1.0 - 5.0 ● ● ● Control model SH contactor ● ● ● Heat demand Sensor type www.stiebel-eltron.com EAC 5 | 47...
  • Page 48 ● ● ● Controller type at ED system ● ● ● ED system with 2% base signal ● ● Phase Sequencer Operation and In- Phase control stallation Instructions ● ● ● Power meter Meter factor 48 | EAC 5 www.stiebel-eltron.com...

  • Page 49: Stallation Instructions

    ● LAN Setup Internet Gateway Operation and In- stallation Instructions ● ● ● Radio network TFN Radio Network Operation and In- stallation Instructions ● ● ● Weather station Weather System Operation and Instal- lation Instructions www.stiebel-eltron.com EAC 5 | 49...

  • Page 50: Information

    Installer > Information > System State indication of the ED or DC output signal. Possible indications: Off | On State SH output Installer > Information > System State indication of the SH relay. Possible indications: Off | On 50 | EAC 5 www.stiebel-eltron.com...
  • Page 51 Indication of the available hours with past and future weather information to check the weather forecast reception from the internet gateway or weather receiver. Values indicated are -xh .. +yh, with x being the hours in the past and y being the hours www.stiebel-eltron.com EAC 5 | 51...
  • Page 52 Installer > Information > Charge release (application Self-learning only) Indication of hours registered by the release memory of the self-learning charging model as total release duration within the Release memory past 24 hours, see , page 14. 52 | EAC 5 www.stiebel-eltron.com...
  • Page 53 Indication of the target charge rate in % currently output to the storage heaters or charging controllers. Supply voltage Installer > Information > Control system Indication of the current supply voltage in Volts to evaluate the voltage compensation for thermo-mechanical charging con- Control System trollers, see , page 19. www.stiebel-eltron.com EAC 5 | 53...

  • Page 54: Energy Consumption

    Possible indications: Initializing, Registering, Connected, Registration error, Data exchange, LAN error, Router error, DNS error, Server error, NTP error, TLS error, Update, Fatal error, Label error; ~~~ = no communication between controller and gateway or no gateway present. 54 | EAC 5 www.stiebel-eltron.com...

  • Page 55: Gateway Id

    Installer > Information > Device data Indication of the 10 digit serial number of the controller. Version Installer > Information > Device data Indication of the software version and the software build number (4 digit). www.stiebel-eltron.com EAC 5 | 55...

  • Page 56: Service

     Factory setting: Self-learning, setting options: Classic | Self-learning | Reduced Control model charge Installer > Detail settings > System (application Classic only) Charging model Selection of the control model for the charging, see , page 7. 56 | EAC 5 www.stiebel-eltron.com...
  • Page 57 The absolute values for the heat levels are defined by the heating characteristic parameter Start of charging (E2) using the equation: Target room temperature (heat level 3.0) = Start of charging (E2) + 2 K. Factory setting: 10 K, setting range: 5 K .. 20 K www.stiebel-eltron.com EAC 5 | 57...
  • Page 58 Start of charging (E2) Installer > Detail settings > Heat demand Setting of the outdoor temperature, below which the heating system shall commence charging (heat demand and target charge rate > 0%), see Heating characteristic , page 11. 58 | EAC 5 www.stiebel-eltron.com...
  • Page 59 "comfort point" at heat level 3.0. The heat demand factor decreases if insulation measures are taken, and increases if generally a high room temperature is desired. Factory setting: 100% (normal demand as per characteristic E1/E2), setting range: 30% .. 200% www.stiebel-eltron.com EAC 5 | 59...
  • Page 60 Every 24 hours, the current effective outdoor temperature is stored as a substitute temperature value. A manual setting of the substitute temperature is needed only if the failure persists for a longer time. Factory setting: <set automatically if outdoor temperature value available >, setting range: -25 °C .. +25 °C 60 | EAC 5 www.stiebel-eltron.com...
  • Page 61 At the end of the main charging time the target rate of charge reaches its maximum value as defined by the heating characteristic, see Classic as per DIN EN 50350 , page 17. www.stiebel-eltron.com EAC 5 | 61...
  • Page 62 E13) only if more than the timer lock-in time has elapsed since the start. Otherwise, the clockwork stops and is re-started with the next LL signal. The timer lock-in time must be shorter than the night time release duration. Factory setting: 6 h, setting range: 2 h .. 6 h 62 | EAC 5 www.stiebel-eltron.com...
  • Page 63 Installer > Detail settings > Charging model (application Classic only) Setting of the charging intensity for the additional charge in daytime operation, start point of the descending daytime char- acteristic in backward control, see Classic as per DIN EN 50350 , page 17. www.stiebel-eltron.com EAC 5 | 63...
  • Page 64 , page 15. Selecting allows to activate the dynamic forward control during daytime operation as well (after expiry of E12). Selecting allows the activation in night time operation only. Factory setting: No, setting options: No | Yes 64 | EAC 5 www.stiebel-eltron.com...

  • Page 65: System

    ED signal is lost. In this case, the ED signal must have a base value of 2% even at a 100% target charge rate. Factory setting: On, setting options: Off | On www.stiebel-eltron.com EAC 5 | 65...

  • Page 66: S0 Measurement Active

    S0 measurement active Installer > Detail settings > Options (activated internet gateway only) Activation of the energy and power metering through the S0 interface on the gateway. Factory setting: No, setting options: No | Yes 66 | EAC 5 www.stiebel-eltron.com...

  • Page 67: Connection Status

    Installer > Detail settings > Server (activated internet gateway only) Transaction number to confirm the gateway ID during registering on the tekmar TAV server (additional protection against misuse of the gateway ID). Internet Gateway Operation and Installation Instructions See also www.stiebel-eltron.com EAC 5 | 67...

  • Page 68: Region

    TFN Radio Network Operation and Installation Instructions Weather station Installer > Detail settings (with weather base station on the TGN bus only) Weather System Operation and Installation Instructions Detailed information can be found in the 68 | EAC 5 www.stiebel-eltron.com...

  • Page 69: Appendix

    APPENDIX: SENSOR CHARACTERISTICS Appendix Stiebel Eltron standard sensor (DIN EN 50350) Sensor characteristics    °C °C °C For verification and troubleshooting it may be helpful to 14.625 2.431 measure the temperature-dependent resistance values of 11.382 2.000 the outdoor temperature sensor. For this measurement it is 8.933...
  • Page 70 3.295 27.000 7.200 Birka/Sabi 981 Dohrenbusch DRT 25-470       °C °C °C °C °C °C 2.070 1.230 3.812 1.970 1.120 2.912 1.860 2.247 1.730 1.751 1.620 1.377 1.490 1.092 1.370 70 | EAC 5 www.stiebel-eltron.com...
  • Page 71       °C °C °C °C °C °C 15.598 2.378 18.000 2.450 12.000 1.800 13.150 2.000 9.210 1.389 9.500 1.650 7.057 1.061 7.200 1.300 5.400 5.400 1.080 4.124 4.100 3.138 3.100 www.stiebel-eltron.com EAC 5 | 71...
  • Page 72 °C °C °C 20.810 2.437 12.130 2.265 14.000 1.983 9.500 1.800 9.641 1.430 7.443 1.395 6.919 1.086 5.843 1.097 5.202 4.600 4.037 3.629 3.147 2.867 Connection 4-pole only W1 → WF and W4 → ground 72 | EAC 5 www.stiebel-eltron.com...
  • Page 73 Equivalent sensor characteristics as per DIN EN 50350:  AEG standard sensor DIN  Birka/Sabi 983 DIN  DEVI standard sensor  Dohrenbusch DRT 25-2K  Grässlin/Frensch RF-N1 DIN  Schlüter/Deltadore NF DIN  tekmar Series 31 DIN www.stiebel-eltron.com EAC 5 | 73...

  • Page 74: Troubleshooting

    Resetting a device this way can be achieved by switching off the upstream circuit breaker for approximately 10 seconds. Please contact the service only if the same fault appears again after restoring the supply voltage. 74 | EAC 5 www.stiebel-eltron.com...
  • Page 75 Open sensor loop or missing sensor Check sensor - ˅ - Short-circuited sensor Check sensor Notes: 1. To reset the device the upstream circuit breaker is triggered and switched on again after approximately 10 seconds. www.stiebel-eltron.com EAC 5 | 75...
  • Page 76 5. Check the device for physical damages. If the corrective actions described here do not fix the problem please turn to our service. The devices can only be repaired in the factory. 76 | EAC 5 www.stiebel-eltron.com...

  • Page 77: Specifications

     Siemens outdoor temperature sensor  DEVI 25-15k  Siemens 2 outdoor temperature sensor  DEVI standard sensor DIN  Stiebel Eltron standard sensor DIN  Dohrenbusch DRT 25-470  Witte outdoor temperature sensor  Dohrenbusch DRT 25-2k DIN Supported ED systems: 30-100%, thermo-mechanical and electronic charging controllers www.stiebel-eltron.com...
  • Page 78 Degree of protection, protection class: IP 20 (as per EN 60529), II if appropriately installed Operating / storage temperature: -15 °C to +40 °C / -20 °C to +70 °C, no condensation Weight: approx. 0,25 kg 78 | EAC 5 www.stiebel-eltron.com...
  • Page 79 APPENDIX: SPECIFICATIONS Dimensions [mm] Directives The product complies with the following directives and regulations:  EMC directive  Low voltage directive  RoHS directive  WEEE registration no.: DE 58834923 www.stiebel-eltron.com EAC 5 | 79...

  • Page 80: Guarantee, Environment And Recycling

    This will not affect warranties issued by any importers. Environment and recycling We would ask you to help protect the environment. After use, dispose of the various materials in accordance with na- tional regulations. 80 | EAC 5 www.stiebel-eltron.com...

  • Page 81: Safety And Installation Instructions

    - with the only ex- connected with the same mains phase. ception of the fuse (if available). In case of a defect the www.stiebel-eltron.com EAC 5 | 81...
  • Page 82  Products containing a processor should - in case of mal- function - first of all be disconnected from power (via the circuit breaker). After waiting for about a minute, the power may be switched on again. This often solves the 82 | EAC 5 www.stiebel-eltron.com...
  • Page 83 NOTES www.stiebel-eltron.com EAC 5 | 83...
  • Page 84 Deutschland Verkauf Tel. 05531 702-110 | Fax 05531 702-95108 | info-center@stiebel-eltron.de Kundendienst STIEBEL ELTRON GmbH & Co. KG Tel. 05531 702-111 | Fax 05531 702-95890 | kundendienst@stiebel-eltron.de Dr.-Stiebel-Straße 33 | 37603 Holzminden Ersatzteilverkauf Tel. 05531 702-120 | Fax 05531 702-95335 | ersatzteile@stiebel-eltron.de Tel.

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