FENECON Commercial 92 — Assembly and Operating Instructions

1. About these instructions

Personnel must have carefully read and understood these installation and service instructions before starting any work.

1.1. Manufacturer

FENECON GmbH
Gewerbepark 6
94547 Iggensbach
Germany

Phone: +49 (0) 9903 6280 0
Fax: +49 (0) 9903 6280 909
E-mail: service@fenecon.de
Internet: www.fenecon.de

1.2. Formelles zur Betriebsanleitung

Reprinting, even in part, is only permitted with the permission of FENECON GmbH.

1.3. Version/revision

Table 1. Version/revision
Version/Revision	Änderung	Datum	Name
2024.08.01	Entwurf Ersterstellung	08.08.2024	FENECON FT
2024.10.01	Veröffentlichung auf docs.fenecon.de	01.10.2024	FENECON PM
2025.1.1	Integration Feuerwehrhinweis	27.01.2025	FENECON PM

1.4. Darstellungskonventionen

Table 2. Darstellungskonventionen

This symbol indicates an imminent danger. If this danger is not avoided, it can lead to death or serious injury.

This symbol indicates a potentially dangerous situation. If this dangerous situation is not avoided, it may result in minor or moderate injury.

This symbol indicates a warning. Failure to observe this warning may result in damage and/or destruction of the system.

This symbol indicates a note. It is recommended that the note be observed.

1.5. Structure of warning notices

Warnhinweise schützen bei Beachtung vor möglichen Personen- und Sachschäden und stufen durch das Signalwort die Größe der Gefahr ein.

Source of the danger
Possible consequences of non-compliance
- Measures for avoidance/prohibitions

Gefahrenzeichen
Das Gefahrenzeichen kennzeichnet Warnhinweise, die vor Personenschäden warnen.

Source of danger
The source of danger indicates the cause of the hazard.

Possible consequences of non-compliance
The possible consequences of ignoring the warning are e.g. crushing, burns or other serious injuries.

Measures/prohibitions
Measures/prohibitions include actions that must be taken to avoid a hazard (e.g. stopping the drive) or that are prohibited to avoid a hazard.

1.6. Terms and abbreviations

The following terms and abbreviations are used in the installation and service instructions:

Table 3. Terms and abbreviations
Term/Abbreviation	Meaning
AC	Alternating Current
BHKW	Combined heat and power plant (CHP)
BMS	Battery Management System
DC	Direct Current
EMS	Energy Management System
Energy-Meter	Electricity meter for the Inverter at the grid connection point
FEMS	FENECON Energy Management System
MPPT	Maximum Power Point Tracking — Finder for the maximum power point
GCP	Grid connection point
CPC	Circuit protective conductor
PV	Photovoltaic
RTE	Round-Trip-Efficiency (RTE) System efficiency; ratio of discharged to charged energy quantity
SG-Ready	Smart-Grid-Ready — Preparation of the Heat pump for external control
SoC	State of Charge State of Charge; The available capacity in a battery, expressed as a percentage of the nominal capacity.
SoH	State of Health — Ageing condition
VDE	Verband der Elektrotechnik Elektronik Informationstechnik e. V. German Association for Electrical, Electronic & Information Technologies
Widget	Component of online monitoring

1.7. Scope of delivery

Table 4. Scope of delivery
Item	Component	Number	Comment
1	KACO 92 kW — Inverter	1
2	FENECON Commercial — BMS box (incl. FENECON Energy Management System)	1
3	FENECON Commercial — Parallel switch box	1
4	FENECON Commercial — Extension Box	1	up to 4, depending on the system configuration
5	FENECON BMS box	1	per battery tower
6	FENECON Battery Module	15	per battery tower, depending on the ordered capacity
7	FENECON Base (included with FENECON BMS box)	1	per battery tower
8	KDK 2PU CT	1

Table 5. Documents
Component	Comment
Installation and service instructions FENECON Commercial	Instructions for the installer
Quick start guide FENECON Commercial	Quick start guide for the installer
Operating instructions FENECON Commercial	Instructions for the user/end customer

1.8. Applicable documents

All documents listed in the appendix to these installation and service instructions must be observed. Cf. Applicable Documents

1.9. Availability

The operator must keep these installation and service instructions or relevant parts of them within easy reach in the immediate vicinity of the product.
If the product is handed over to another person, the operator shall pass these instructions on to that person.

2. Sicherheit

2.1. Intended use

The FENECON Commercial 92 is an electrical energy storage system consisting of various modules. These include in particular a BMS (battery management system), the FENECON Energy Management System (FEMS), battery modules and bases. All processes of the electricity storage system are monitored and controlled by FEMS.

Any other use is not an intended use.

2.2. Reasonably foreseeable misuse

All applications that do not fall within the scope of the intended use are considered misuse. Work on live parts is generally not permitted. Electrical work may only be carried out by qualified electricians.

The following safety rules must be observed for all work on electrical components:

disconnect
secure against restarting.
Spannungsfreiheit feststellen.
ground and short-circuit.
cover or shield nearby live parts.

Non-compliance with the safety rules is considered a reasonably foreseeable misuse.

Other misuses include in particular:

unsachgemäßer Transport, Aufstellung bzw. Aufbau an einem Ort, Probebetrieb oder Betrieb durch den das System Schaden nehmen kann.
Change in the specified technical characteristics, including the individual components.
Change or deviation of the specified connected loads.
functional or structural changes.
Operating the product in a faulty or defective condition.
improper repairs.
operation without protective devices or with defective protective devices.
Disregarding the information in the original installation and service instructions.
Fire, open light and smoking in the vicinity of the storage system.
Inadequate ventilation at the installation site.
unauthorized changes and actions to the electrical energy storage system.
Use as mobile energy storage.
Direct use in a PV system (integration via an AC-coupled grid is possible).

2.3. Area of application — Electromagnetic compatibility (EMC)

The low-voltage equipment is intended for use in the following areas of application: * General information (commercial): Use in other areas of application is not intended.

2.4. Qualification of the staff

Qualified personnel must be deployed for the intended use, installation and maintenance of the system. The area of responsibility, competence and supervision of the personnel must be precisely regulated by the operator.

2.4.1. Elektro-Fachpersonal

Zu Elektro-Fachpersonal zählen Personen, die

are able to carry out work on electrical systems due to their technical training, knowledge and experience as well as knowledge of the relevant standards and regulations.
have been commissioned and trained by the operator to carry out work on electrical systems and equipment of the battery system.
are familiar with how the battery system works.
recognize hazards and prevent them by taking appropriate protective measures.

2.4.2. Service staff

Service personnel include the manufacturer’s personnel or specialist personnel instructed and authorized by FENECON GmbH, who must be requested by the operator to work on the system (e.g. assembly, repair, maintenance, work on the batteries, etc.).

2.5. General information on the FENECON Commercial 92 electrical energy storage system

Assembly of the FENECON Commercial 92, installation of battery modules and cable connections, as well as expansion of the system must only be carried out by qualified electricians.
Keep the power storage system away from children and animals.
Das Stromspeichersystem darf nur unter den bestimmten Lade-/Entladebedingungen benutzt werden (vgl. Kapitel [Technische Daten]).
Only use the battery modules as intended. Improper use can lead to overheating, explosion or fire of the battery modules.
Read the instructions for installation and operation to avoid damage due to incorrect operation.
The electrical energy storage system can cause electric shock and, due to short-circuit currents, burns.
The battery modules may have too low a cell voltage after a longer storage period. If this is the case, please contact the service department.
Do not expose the battery modules to high voltages.
Place the battery modules on level surfaces.
Do not place any objects on the FENECON Commercial 92 battery towers.
Do not step on the power storage system.
Do not connect the plug contacts of the BMS box in reverse.
Do not short-circuit battery modules.
Do not touch the battery module connectors (+) and (-) directly with a wire or metal object (e.g. metal wristband, hairpin). In the event of a short circuit, excessive current can be generated, which can lead to overheating, explosion or fire of the battery modules.

2.5.1. Elementareinflüsse

Keep the electrical energy storage system away from water sources.
Do not immerse the power storage system in water, moisten it or touch it with wet hands.
Set up/store the electrical energy storage system in a cool place.
Stromspeichersystem nicht erhitzen.
Do not expose the electrical energy storage system to open fire.
Do not set up or use the electrical energy storage system near open fires, heaters or high-temperature sources.
- The heat can cause insulation to melt and the safety ventilation to be damaged. This can lead to overheating, explosion or fire in the battery modules.
No soldering work may be carried out on the power storage system. Heat introduced during soldering can damage the insulator and the safety ventilation mechanism and lead to overheating, explosion or fire of the battery modules.
The battery modules must not be dismantled or modified. The battery modules contain a safety mechanism and a protective device, damage to which can lead to overheating, explosion or fire of the battery modules.

2.5.2. Mechanical influences

Do not attempt to crush or open battery modules.
Do not apply any mechanical force to the electrical energy storage system.
- The battery modules can be damaged and short circuits can occur, which can lead to overheating, explosion or fire of the battery modules.
Do not throw or drop parts of the power storage system.
- Do not use defective or dropped battery modules.
Das Stromspeichersystem nicht mehr verwenden, wenn während der Montage, des Ladens, des normalen Betriebs und/oder der Lagerung Farbveränderungen oder mechanische Schäden festgestellt werden.
If the protective devices are damaged, abnormal charging currents and voltages can cause a chemical reaction in the battery modules, which can lead to overheating, explosion or even fire in the battery modules.

2.5.3. Installation, operation and maintenance

Bei Instandhaltungs-, Wartungs- und Reinigungsarbeiten sicherstellen, dass das Produkt sicherheitsgerichtet abgeschaltet und gegen Wiedereinschalten gesichert ist.
Zudem müssen alle Anweisungen in dieser Betriebsanleitung befolgt werden.

Always observe the following safety instructions when installing, operating or maintaining the battery modules:

Assembly of the FENECON Commercial 92, installation of battery modules and cable connections, as well as expansion of the system must only be carried out by qualified electricians.
During maintenance work, stand on dry insulating objects and do not wear any metal objects/jewelry (e.g. watches, rings and necklaces) during maintenance work/operation.
Use insulated tools and wear personal protective equipment.
Do not touch two charged contacts with a potential difference.
Measure the battery voltage with a multimeter and ensure that the output voltage is 0 V in off mode.
If an anomaly is detected, switch off the battery tower(s) immediately.
Only continue the maintenance work after the causes of the anomaly have been eliminated.
The battery modules can cause an electric shock and burns due to high short-circuit currents.
Install battery modules in locations with good natural ventilation.

2.5.4. Fire protection

Do not expose the power storage system to direct sunlight.
Avoid contact with conductive objects (e. g. wires).
Keep heat and fire sources, flammable, explosive and chemical materials away from the power storage system.
Do not dispose of the FENECON Commercial 92 battery modules in a fire due to the risk of explosion.

2.5.5. Storage

Area: Fireproof indoors/outdoors with suitable weather protection.
Air temperature: -20 °C to 40 °C.
Relative humidity: max. 50 % at +40 °C.
Do not store battery modules (lithium iron phosphate batteries) with flammable or toxic objects.
Store battery modules with safety defects separately from undamaged battery modules.

Lagerung länger als 12 Monate
Mögliche Folgen: Tiefentladung der Zellen/Defekt der Batterie.

Externe Beladung der Batteriemodule auf Nennspannung — es muss eine Zwangsbeladung durchgeführt werden, welche über das FEMS gesteuert wird. Dies darf nur durch den Hersteller, oder durch ein vom Hersteller beauftragtes Unternehmen durchgeführt werden.

2.5.6. charging

Keep the SOC of the battery module below 30 % for shipping and charge the battery module if it has been stored for longer than 6 months.

2.6. Operating resources

2.6.1. Electrolyte solution of the battery modules

Electrolyte solution is used in the battery modules (lithium iron phosphate).
The electrolyte solution in the battery modules is a clear liquid and has a characteristic odor of organic solvents.
The electrolyte solution is flammable.
The electrolyte solution in the battery modules is corrosive.
Do not inhale the vapors.
If the electrolyte solution is swallowed, induce vomiting.
Leave the contaminated area immediately after inhaling the vapors.
Eye and skin contact with leaked electrolyte solution must be avoided.
Contact with electrolyte solution can cause severe burns to the skin and damage to the eyes.
- After skin contact: Immediately wash skin thoroughly with neutralizing soap and consult a doctor if skin irritation persists.
- After eye contact: Immediately flush eye(s) with running water for 15 minutes and seek medical advice.

Delayed treatment can cause serious damage to health.

2.7. Residual risk

Warning of electrical voltage

Work on electrical equipment may only be carried out by qualified electricians from the manufacturer or by specially authorized, trained electricians and in compliance with the safety regulations.
After disconnecting the power supply, maintenance work may only be carried out after 5 minutes.
The customer must provide a mains disconnection device for the electrical power supply.

Unknown error messages

Unknown errors and attempts to rectify them can damage the product.
If there is an error that is not on the error list, inform customer service.

All doors, emergency exits and areas around the electrical energy storage system must remain clear; do not obstruct escape routes!

The user is responsible for the floor conditions on which the electrical energy storage system is installed. However, the housing is sealed so that no electrolyte can leak.

2.8. Behavior in emergency situations

Proceed as follows in emergency situations:

Das Stromspeichersystem vom Netz trennen
Aus dem Gefahrenbereich entfernen
Den Gefahrenbereich absichern
Die Verantwortlichen informieren
Gegebenenfalls Arzt alarmieren

2.9. Pictograms

Pictograms on the system indicate dangers, prohibitions and instructions. Illegible or missing pictograms must be replaced by new ones.

Table 6. Pictograms
Piktogramm	Bedeutung	Beschreibung
	Warnung vor gefährlicher elektrischer Spannung	Piktogramm am Gehäuse, und Kennzeichnung von Komponenten, bei denen nicht klar zu erkennen ist, dass sie elektrische Betriebsmittel enthalten, die Anlass für ein Risiko durch elektrischen Schlag sein können.
	Allgemeines Warnzeichen
	Warnung vor Gefahren durch das Aufladen von Batterien	Piktogramm am Gehäuse und Kennzeichnung von Komponenten, bei denen nicht klar zu erkennen ist, dass sie elektrische Betriebsmittel enthalten, die Anlass für ein Risiko durch das Aufladen von Batterien sein können.
	Keine offene Flamme; Feuer, offene Zündquelle und Rauchen verboten	Piktogramm am Gehäuse und Kennzeichnung von Komponenten, bei denen nicht klar zu erkennen ist, dass sie elektrische Betriebsmittel enthalten, die Anlass für ein Risiko durch offene Flammen, Feuer, offene Zündquellen und Rauchen sein können.
	Schutzerdungskennzeichen
	Getrennte Sammlung von Elektro- und Elektronikgeräten
	Anleitung beachten
	Kopfschutz benutzen
	Fußschutz benutzen
	Handschutz benutzen
	CE-Kennzeichen
	Produkt ist recyclingfähig.

2.10. Operating materials/equipment

2.10.1. Electrolyte solution of the battery modules

Electrolyte solution is used in the battery modules (lithium iron phosphate).
The electrolyte solution in the battery modules is a clear liquid and has a characteristic odor of organic solvents.
The electrolyte solution is flammable.
The electrolyte solution in the battery modules is corrosive.
Contact with electrolyte solution can cause severe burns to the skin and damage to the eyes.
Do not inhale the vapors.
If the electrolyte solution is swallowed, induce vomiting.
Leave the contaminated area immediately after inhaling the vapors.
Eye and skin contact with leaked electrolyte solution must be avoided.
- After skin contact: Immediately wash skin thoroughly with neutralizing soap and consult a doctor if skin irritation persists.
- After eye contact: Immediately flush eye(s) with running water for 15 minutes and seek medical advice.

Delayed treatment can cause serious damage to health.

2.10.2. Electrical equipment

Work on electrical equipment may only be carried out by qualified electricians.
The five safety rules must be observed for all work on electrical components:
1. Disconnect.
2. Secure against restarting.
3. Spannungsfreiheit feststellen.
4. Erden und kurzschließen.
5. Cover or shield neighboring live parts.
Maintenance work may only be carried out by trained specialist personnel (service personnel).
Before starting work, carry out visual checks for insulation and housing damage.
The system must never be operated with faulty or non-operational electrical connections.
To avoid damage, lay supply lines without crushing and shearing points.
Zur Instandhaltung dürfen an unisolierten Leitern und Anschlussklemmen nur isolierte Werkzeuge verwendet werden.
Switch cabinets (e. g. inverter housing) must always be kept locked. Only authorized personnel with appropriate training and safety instructions (e. g. service personnel) should be allowed access.
The inspection and maintenance intervals for electrical components specified by the manufacturer must be observed.
To avoid damage, lay supply lines without crushing and shearing points
If the power supply is disconnected, specially marked external circuits may still be live!
Some equipment (e. g. inverters) with an electrical intermediate circuit can still carry dangerous residual voltages for a certain time after disconnection. Before starting work on these systems, check that they are voltage-free.

2.11. Personal protective equipment

Depending on the work on the system, personal protective equipment must be worn:

Sicherheitsschuhe
Protective gloves, cut-resistant if necessary
Schutzbrille
Schutzhelm

2.12. Ersatz- und Verschleißteile

Der Einsatz von Ersatz- und Verschleißteilen von Drittherstellern kann zu Risiken führen. Es dürfen nur Originalteile oder die vom Hersteller freigegebenen Ersatz- und Verschleißteile verwendet werden. Die Hinweise zu den Ersatzteilen müssen beachtet werden. Weitere Informationen sind in dem Schaltplan enthalten.

Further information must be requested from the manufacturer.

2.13. IT security

FENECON-Speichersysteme und deren Anwendungen kommunizieren und agieren ohne Internetverbindung. Die einzelnen Systemkomponenten (Wechselrichter, Batterien etc.) sind nicht direkt mit dem Internet verbunden oder aus dem Internet erreichbar. Sensible Kommunikationen über das Internet werden ausschließlich über zertifikatbasierte TLS-Verschlüsselungen verarbeitet.

Access to the programming levels is not barrier-free and is accessible at different levels depending on the qualifications of the operating personnel. Safety-relevant program changes require additional verification.

FENECON processes energy data of European customers exclusively on servers in Germany and these are subject to the data protection regulations applicable in this country.

The software used is checked using automated tools and processes established during development in order to keep it up to date and to rectify security-relevant vulnerabilities at short notice. Updates for FEMS are provided free of charge for life.

3. Technical data

3.1. Allgemein

Table 7. Technical data — General information
Benennung		Wert/Größe
Installation/ Umgebungsbedingungen	IP-Klassifizierung	IP55
	Betriebshöhe über NN	≤ 2.000 m
	Aufstell-/Betriebstemperatur	-20 °C bis +60 °C
	Relative Luftfeuchtigkeit (Betrieb/Lagerung)	0 bis 100 %
	Arbeitstemperatur Batterie	-10 °C bis +50 °C
	Optimale Betriebstemperatur der Batterie	15 °C bis +30 °C
	Kühlung	temperaturgeregelter Lüfter
	Lautstärke	< 60 dB
Zertifizierung/Richtlinie	Gesamtsystem	CE
	Wechselrichter	VDE 4105:2018-11 Tor Erzeuger Typ A 1.1 VDE 4110:2018-11
	Batterie	UN38.3 VDE 2510-50

3.2. Technical data — Inverter

Table 8. Technical data — Inverter
Description		Value/dimension
Inverter model		KACO blueplanet gridsave 92.0 TL3-S
AC connection	Grid connection	400 V, 3L/PE, 50/60 Hz
	Rated voltage	400 V
	Rated power	92000 VA
	Rated current	3 x 132.3 A
Efficiency	Max. Efficiency	Charging: 98.5 % — Discharging: 98.7 %
General	Protection specification	IP66
	Width \| Depth \| Height	699 \| 450 \| 719 mm
	Weight	80 kg

3.2.1. Dimensions

The dimensions are given in mm.

Figure 1. Inverter — Dimensions

3.3. Technical data — FENECON Commercial 92 — EMS box

Table 9. Technical data — FENECON Commercial 92 — EMS box
Description	Value/dimension
Operating voltage DC	224 V to 672 V
Max. Current (battery)	50 A
Operating temperature	-10°C to 50°C
Protection specification	IP55 (plugged in)
Input voltage	100 V to 240 V/1.8 A/50 Hz to 60 Hz
Width \| Depth \| Height	506 \| 401 \| 157 mm
Weight	12 kg
Installation	stackable

3.3.1. Dimensions

The dimensions are given in mm.

Figure 2. Dimensions — EMS box

3.3.2. EMS box — Pin assignment

Figure 3. Pin assignment — EMS box

Table 10. Pin assignment — EMS box
Item	Description
1	Battery connection to the inverter (MC4-Evo stor)
2	Communication output for parallel connection of several batteries
3	Customer network connection (LAN) RJ45 (network cable not included in scope of delivery)
4	Communication Inverter, relay outputs; digital inputs (16-pin connector)
5	Power supply FEMS box; potential-free contacts (max. 10 A, measured) (10-pin plug)
6	Earth connection
7	For future applications (not assigned)

3.4. Technical data — FENECON Commercial 92 — Parallel switch box

Table 11. Technical data — Parallel switch box
Naming	Value/dimension
Max. operating voltage	800 V
Max. Current (inverter)	150 A
Max. Current (battery)	50 A
Operating temperature	-20 °C to 40 °C
Protection specification	IP55
Width \| Depth \| Height	606 \| 157 \| 639 mm
Weight	26 kg

3.4.1. Dimensions

The dimensions are given in mm.

Figure 4. Dimensions — Parallel switch box

3.4.2. Parallel switch box — Terminal assignment

Figure 5. Terminal assignment — Parallel switch box

Table 12. Terminal assignment — Parallel switch box
Item	Description
1	Battery connection to the inverter
2	Battery connection for up to 5 battery towers
3	Earthing connection

3.5. Technical data — FENECON Commercial 92 — Extension box

Table 13. Extension box — Technical data
Naming	Value/dimension
Operating voltage DC	224 V to 672 V
Max. Current (battery)	50 A
Operating temperature	-10 °C ~ 50 °C
Protection specification	IP55 (plugged in)
Width \| Depth \| Height	506 \| 401 \| 157 mm
Weight	9 kg
Installation	stackable

3.5.1. Dimensions

The dimensions are given in mm.

Figure 6. Dimensions — Extension box

3.5.2. Extension box — Pin assignment

Figure 7. Pin assignment — Extension box

Table 14. Pin assignment — Extension box
Item	Description
1	Battery connection to EMS box in parallel (MC4-Evo stor)
2	Communication output for parallel connection of several battery towers
3	Communication input for parallel connection of several battery towers
4	Earthing connection

3.6. Technical data — FENECON Commercial 92 — BMS box

Table 15. Technical data — BMS box
Description	Value/dimension
Max. operating voltage range	224 V to 672 V
Max. input/output current	50 A
Optimal operating temperature	15 to 30 °C
Operating temperature range	-20 to 55 °C
Protection specification	IP55 (stacked)
Width (incl. side panel)\| Depth \| Height	506 \| 401 \| 143 mm
Weight	13 kg
Installation	stackable/wall-mounted

3.6.1. Dimensions

The dimensions are given in mm.

Figure 8. Dimensions — BMS box

3.7. Technical data — FENECON Commercial 92 — Battery modules

Table 16. Technical data — Battery modules
Description	Value/dimension
Usable capacity	62.4 Ah/2.80 kWh
Rated voltage	44.8 V
Output voltage range	39.2 V — 50.4 V
Working temperature battery	-20 °C to +55 °C
Storage temperature range (over 7 days)	-30 °C to +60 °C
Storage temperature range (over 30 days)	-20 °C to +55 °C
Storage temperature range (cumulative up to 270 days)	-10 °C to +45 °C
Protection specification	IP55 (plugged in)
Weight per module	30 kg
Installation	stackable
Shipping capacity	< 30 % SOC
Module safety certification	VDE 2510/IEC62619
UN transportation test standard	UN38.3
Relative humidity during storage	5 % to 95 %
Modulus number	15
Nominal capacity in kWh	42.0 kWh
Width incl. side panel	506 mm
Depth	401 mm
Tower height — 15 modules	2550 mm

Figure 9. Dimensions — Battery module

Storage longer than 12 months
Possible consequences: Deep discharge of the cells Defect of the battery module.

External charging of the battery modules to nominal voltage. This may only be carried out by the manufacturer or a company authorized by the manufacturer.

3.8. Technical data — Base

Table 17. Technical data — Base
Description	Value/dimension
Width (incl. side panel) \| Depth \| Height	506 \| 365 \| 84 mm
Weight	6 kg
Protection specification	IP55 (plugged in)
Installation	stackable

3.8.1. Dimensions

The dimensions are given in mm.

Figure 10. Dimensions — Base

4. Allgemeine Beschreibung

FENECON Commercial 92 is an AC-coupled electrical energy storage system that can build its own power grid for consumer loads. Lithium iron phosphate batteries (LiFePO4) are used in this modular system for storing electrical energy.

4.1. System configuration — General overview

2024 09 Commercial Anlage schematische Darstellung optionale Komponeneten

Figure 11. System — Schematic diagram with optional components (shown without protective device)

4.1.1. System structure as an AC system

2024 09 Commercial Anlage Systemaufbau AC System

Figure 12. System structure as AC system (shown without protective device)

Table 18. System structure as an AC system
Item	Description
1	Grid
2	Bi-directional meter
3	Energy meter
4	3-Phase Sensor or with PV inverter App
5	PV inverter
6	PV system
7	FENECON Commercial 92 battery towers
8	Inverter

4.1.2. Required components

Abhängig von der Systemkonfiguration werden folgende Komponenten benötigt. Bei einer Parallelschaltung von bis zu fünf Batterietürmen ist darauf zu achten, dass bei jedem Batterieturm 15 Batteriemodule verbaut werden.

Table 19. System configuration — Required components
Number of battery towers	Number of battery modules max.	BMS box (je Turm)	EMS-Box	Parallelschaltbox	Extension-Box
2	30	1	1	1	1
3	45	1	1	1	2
4	60	1	1	1	3
5	75	1	1	1	4

Figure 13. Structure of the FENECON Commercial 92 electrical energy storage system with five battery towers

5. Assembly preparation

5.1. Scope of delivery

5.1.1. KACO blueplanet 92.0 TL3 — Inverter

The scope of delivery is listed in the Inverter manual.

5.1.2. FENECON Commercial 92 — EMS box

Table 20. Scope of delivery — FENECON Commercial 92 — EMS box
illustration	number	designation
	1	FENECON Commercial 92 — EMS box
	2	Side panel
	2	Harting housing with cable gland 13-21 mm, multi-hole seal 4 x 8 mm Harting housing with cable gland 19-25 mm, multi-hole seal 2 x 10 & 1 x 8 mm
	1	Harting socket 10-pin
	1	Harting insert 16-pin (assembled)
	1	Jumper plug
	2	Network connector housing
	5	Filler plug 8 mm
	2	Filler plug 10 mm
	1	Battery cable set 10 m
	1	Installation and service instructions
	1	Operating instructions (for the end customer)
	1	Quick start guide

5.1.3. FENECON Commercial 92 — Parallel switch box

Table 21. Scope of delivery — Parallel switch box
illustration	number	designation
	1	FENECON Commercial 92 — Parallel switch box
	1	Wall bracket
	4	Anchor with screw and washer
	1	two DC cables, 3 m
	1	Communication cable inverter-FEMS-box; 10 m
	1	Earthing_kit

5.1.4. FENECON Commercial 92 — Extension box

Table 22. Scope of delivery — Extension box
illustration	number	designation
	1	FENECON Commercial 92-Extension box
	2	Side panel
	2	each set of two DC cables, 10 m
	1	Communication cable, 2 m

5.1.5. FENECON Commercial 92 — BMS box/base

Table 23. Scope of delivery — BMS module/base
illustration	number	designation
	1	FENECON Commercial 92 — BMS box
	1	base
	2	Side panel (FENECON Commercial 92 — BMS box)
	2	Side panel (base)
	4	Wall mounting Mounting bracket
	4	Wall mounting Mounting bracket (wall part)
	8	Screws M4 x 10
	2	Screw for wall mounting M6 x 12

5.1.6. FENECON Commercial 92 — Battery module

Table 24. Scope of delivery — Battery module
illustration	number	designation
	1	Battery module
	2	Side panel
	2	fixing plates
	2	Screws M4 x 10

5.2. Benötigtes Werkzeug

Zur Montage der Komponenten der Anlage wird folgendes Werkzeug benötigt:

Table 25. Benötigtes Werkzeug
illustration	designation	illustration	designation
	pencil		Spirit level
	impact drill or cordless screwdriver		Screwdriver set
	Meter stick		side cutter
	Allen key, 3 mm		set of flat spanners
	Crimping tool		Multimeter
	pliers for cable glands		protective eyewear
	protective footwear		dust mask
	rubber mallet		vacuum cleaner
	Wire stripper		Protective gloves
	Torque wrench		Insulation stripping knife

6. Assembly

Do not damage any cables and make sure that nobody steps on the cables or plugs! Damage can lead to serious malfunction!
If cables are fed in from the front, the customer must use suitable covers to protect the cables against the risk of tripping.

Sicherstellen, dass alle Geräte im selben Netzwerk sowie die Batteriemodule in den bestehenden Überspannungsschutz integriert sind.

When drilling holes, avoid water pipes and cables laid in the wall.
Wear protective eyewear and a dust mask to prevent dust from being inhaled or getting into your eyes when drilling holes.
Make sure that the inverter is securely installed in case it falls down.
The DC switch lock of a suitable size should be prepared by the customer. The diameter of the lock is 5 mm. The lock may not be installed if the size is not appropriate.
Please refer to the supplier documentation of the inverter.

Es sind geeignete Schutzabdeckungen anzubringen!
Es sind alle örtlichen Unfallverhütungsvorschriften einzuhalten.

The following components must be installed:

Inverter
Battery tower with base, battery modules, BMS box, and FENECON Commercial 92 EMS box
- Batterieturm mit Sockel, Batteriemodulen, BMS-Box und Extension-Box

Before installation, carefully check that the packaging and products are undamaged and that all accessories listed in Chapter 5: [Preparing for installation] are included. If a part is missing or damaged, contact the manufacturer/dealer.

6.1. Montage Wechselrichter

The safety and installation regulations can be found in the inverter manual.

6.2. Assembly of battery tower 1 with FEMS box

6.2.1. Sicherheitshinweise

Electric shock from live parts
Death or serious injury to the body and limbs due to electric shock when touching live DC cables connected to the system

Vor Beginn der Arbeiten den Wechselrichter, die BMS-Box und die Batteriemodule spannungsfrei schalten und gegen Wiedereinschalten sichern.
Wait at least 5 minutes after switching off before starting work on the inverter.
Alle Sicherheitshinweise des Herstellers in Kapitel 2: Sicherheit beachten.
Do not touch any exposed live parts or cables.
Die Klemmleiste mit angeschlossenen DC-Leitern nicht unter Last aus dem Steckplatz herausziehen.
Wear suitable personal protective equipment for all work.

Electric shock in the absence of overvoltage protection
Death or serious injury to the body and limbs from electric shock due to overvoltage (e.g. lightning strike) transmitted via the network cables or other data cables into the building and to other connected devices in the same network due to lack of overvoltage protection

Sicherstellen, dass alle Geräte im selben Netzwerk sowie die Batteriemodule in den bestehenden Überspannungsschutz integriert sind.
When laying network cables or other data cables outdoors, ensure that suitable overvoltage protection is in place when the cables from the inverter or battery tower (battery modules) pass from the outdoor area into a building.
Die Ethernet-Schnittstelle des Wechselrichters ist als "TNV-1" klassifiziert und bietet einen Schutz gegen Überspannungen bis 1,5 kV.

Fire and explosion
Death or serious injury to the body and limbs due to fire or explosion; in the event of an error, an ignitable gas mixture may occur inside the battery module. Switching operations in this state can cause fire inside the product or trigger an explosion.

In the event of an error, do not carry out any direct actions on the electrical energy storage system.
Ensure that unauthorized persons do not have access to the electrical energy storage system.
Disconnect the battery modules from the inverter using an external disconnecting device.
Switch off the AC miniature circuit breaker or, if it has already tripped, leave it switched off and secure it against being switched on again.
Only carry out work on the inverter (e.g. troubleshooting, repair work) with personal protective equipment for handling hazardous substances (e. g. protective gloves, eye and face protection and respiratory protection).

Fire and explosion if battery modules are deeply discharged
Death or serious injury to the body and limbs due to electric shock when touching a live meter housing: Overvoltage can damage a meter and lead to a voltage being applied to the meter housing.

Before commissioning the system, ensure that the battery modules are not deeply discharged.
Do not operate the system if the battery modules are deeply discharged.
If the battery modules are deeply discharged, contact Service.
Only charge deeply discharged battery modules as instructed by the Service.

Toxic substances, gases and dusts
Damage to electronic components can result in toxic substances, gases and dusts inside the inverter. Touching toxic substances and inhaling toxic gases and dusts can cause skin irritation, chemical burns, breathing difficulties and nausea.

Only carry out work on the inverter (e.g. troubleshooting, repair work) with personal protective equipment for handling hazardous substances (e. g. protective gloves, eye and face protection and respiratory protection).
Sicherstellen, dass Unbefugte keinen Zutritt zum Wechselrichter haben.

Arcing due to short-circuit currents
Death or serious injury to the body and limbs due to burns, heat development and electric arcs due to short-circuit currents in the battery modules.

Before carrying out any work on the battery modules, disconnect the battery modules from the power supply.
Observe all safety instructions of the battery manufacturer.

Destruction of a measuring device due to overvoltage
Death or serious injury to the body and limbs due to electric shock when touching a live housing of a measuring device. Overvoltage can damage a measuring device and lead to voltage being applied to the housing of the measuring device.

Only use measuring devices with a DC input voltage range of at least 1000 V or higher.

Hot surfaces
Injuries to the body and limbs due to burning on hot surfaces: The surface of the inverter can become very hot.

Mount the inverter in such a way that it cannot be touched accidentally.
Do not touch hot surfaces.
Before starting work, wait 30 minutes until the surface has cooled down sufficiently.
Observe the warning notices on the inverter.

Weight of the battery modules
Injuries to the body and limbs due to crushing when falling during transportation or assembly of the battery modules.

Carefully transport and lift the battery modules.
Note the weight of the battery modules and its center of gravity.
Wear suitable personal protective equipment for all work on the battery modules.

Sand, dust and moisture
Ingress of sand, dust and moisture can damage the inverter and impair its function.

Only install battery towers where the humidity is within the limit values and the environment is free of sand and dust.

Electrostatic charging
Touching electronic components can damage or destroy a battery tower due to electrostatic discharge.

Ground yourself before touching a component.

Cleaning agents
The use of cleaning agents can damage the inverter and/or its parts.

Only clean the battery towers and all parts of the inverter with a cloth moistened with clean water.

Aufstellort

Es wird empfohlen, die Batterietürme im Innenraum zu installieren.
If installed outdoors, weather protection (sun and precipitation protection) must be provided.
Avoid dirt and dust during assembly.
Batterietürme nicht in einem Gebiet aufstellen, das durch Überschwemmungen gefährdet ist.
Batterietürme nicht in stark feuchten Bereichen (z. B. Badezimmer) installieren.
Batterietürme nicht dort installieren, wo die Umgebungsbedingungen außerhalb der zulässigen Werte liegen (Kapitel 3: [Technische Daten]).
Batterietürme von Wärmequellen und Feuer fernhalten.
Ensure direct contact between the battery module housing and the ambient air and do not cover or shield the battery module.

Installation

Wear protective eyewear, insulating gloves and protective footwear when assembling the battery modules.
Remove all conductive jewelry (e.g. watches, bracelets, rings).

6.2.2. Conditions at the installation site

Indoor or outdoor installation
We recommend installing the FENECON Commercial 92 — battery towers in a well-ventilated room without external heat sources. However, the battery towers can also be installed outdoors protected from the weather (e. g. garage).

Installation at 2000 m above sea level and in unventilated locations is not permitted.

Also unauthorized installation locations:

those with an explosive atmosphere.
Places where flammable or oxidizing substances are stored.
Wet rooms.
places where salty moisture, ammonia, corrosive vapors or acid can ingress into the system.

The storage system should also be inaccessible to children and animals.

6.2.3. Installation conditions and distances at the installation site

Figure 14. Installation conditions.

Battery towers must be installed protected from direct sunlight, rain and snow.
In conditions outside the optimum temperature range, the performance of the batteries is reduced. (optimum temperature range: +15 °C to +30 °C)

Figure 15. Abstände am Aufstellort

A distance of 300 mm from the wall and 600 mm between two battery towers is recommended.
A distance of 500 mm from a wall is recommended at the front.
A distance of 200 mm from the ceiling is recommended.

If the recommended distances are not adhered to, this can make installation more difficult and may result in earlier derating.

6.2.4. Assembly of battery towers with FENECON Commercial 92 EMS box and FENECON Commercial 92 Extension box

Proceed as follows to set up a battery tower:

The battery tower is installed stackable in front of a wall on a solid and level floor.
Der Abstand zu Wand muss 40 bis 65 mm betragen damit die Wandhalterung korrekt angebracht werden kann.

Den Sockel auf den Füßen am Installationsort aufstellen (den Abstand von 40 bis 65 mm zu einer Wand einhalten).

Ein Batteriemodul auf den Sockel aufsetzen und dabei auf die Steckbolzen und Positionslöcher achten.
An den Steckverbindungen der Batterie kann eine schwarze Schutzfolie aufgeklebt sein. Falls vorhanden, diesen vor dem Zusammenstecken entfernen.

Es können maximal 15 Batteriemodule auf einen Sockel gestapelt werden.

Alle restlichen Batteriemodule auf die gleiche Weise montieren.

Electric shock
Death or serious injury to the body and limbs due to electric shock.

Ensure that the circuit breaker of the BMS box is switched off before installing the BMS box.

Die FENECON Commercial 92-BMS-Box auf die letzte Batterie aufsetzen.

FENECON Commercial 92-EMS-Box beim 1. Batterieturm aufstecken.

Bei allen weiteren Batterietürmen die FENECON Commercial 92-Extension-Box aufstecken.

Das T-Stück und den Winkel mit der beiliegenden M6-Schraube montieren.

Die Befestigungsschienen der EMS-Box (Wandseite) einhängen und die Löcher für die Wandhalterung an der Mauer anzeichnen (siehe vorheriges Bild).
Drill the holes and screw the wall bracket to the wall.
Hook in all other rails alternately left/right one module lower and screw on with the enclosed bolts.
Für die Befestigung der Batterietürme wird folgende Anordnung der Halter empfohlen.

Insert the side panels of the base, the battery modules, the BMS box and the EMS box.

Figure 16. Arrangement of the module fastening

6.3. Electrical installation

6.3.1. Earthing the inverter and battery towers

Die Batterietürme müssen direkt auf die Potentialausgleichsschiene geerdet werden.
At least a 10 mm² grounding cable must be used.
Hierfür die Erdungspunkte der EMS-Box und Extension-Box verwenden (rot).

Die Parallelschaltbox muss ebenfalls direkt auf die Potentialausgleichsschiene geerdet werden.
Es ist mindestens ein 25-mm²-Erdungskabel zu verwenden.
Use the earthing points of the parallel switch box for this (red).

The cross-section of the earthing must be at least 10 mm². + → The inverter and the battery towers must be earthed individually to the equipotential bonding.

6.3.2. Connection and wiring of the KACO Inverter

2024 09 Commercial Anlage AC Anschluss allgemein

Figure 17. AC-Anschluss allgemein

Table 26. Components for AC connection (not included in the scope of delivery)
Item	Description
1	Bi-directional meter from energy supplier
2	Inverter fuse 3-pole. (see Inverter manual)*¹
3	Fuse the load with RCD type A and suitable MCBs
4	KACO inverter 92 kW
5	Battery towers
6	Fuse protection max. C6 or C10 1-pole
7	Consumer load
8	Power supply/grid connection
9	Earth circuit connector

*¹ In addition, the currently valid national regulations and the specifications of the relevant grid operator must be observed. (If an RCD is required by the grid operator, an RCD type A with a tripping current of 300 mA is recommended; at 30 mA, unwanted shutdowns may occur.)

*²The currently valid national regulations, the specifications of the associated network operator and the manufacturer’s specifications must be observed.

The manufacturer’s manual supplied with the inverter must be used for the AC connection of the inverter.

6.3.3. Connection and wiring of the 3-phase sensor without current transformer

(KDK 2PU CT)

Figure 18. AC connection Energy meter

Table 27. Components for AC connection
Pos.	Beschreibung
1	2-Richtungszähler von Energieversorger
2	Klappwandler (direkt hinter EVU-Zähler, nicht im Standardlieferumfang enthalten)
3	Energy-Meter
4	Absicherung des Energy-Meters (empfohlen) B6 3-polig
5	Netz

*¹ In addition, the currently valid national regulations and the specifications of the relevant grid operator must be observed. (If an RCD is required by the grid operator, an RCD type A with a tripping current of 300 mA is recommended; at 30 mA, unwanted shutdowns may occur.)

Please note:
The current transformers are not included in the scope of delivery! (Online: https://www.kdk-dornscheidt.de/produktkategorie/wandler/). Using the KDK meter as an example, the transformer ratio is 1 or 5. You can read the transformer ratio on the current transformers installed on site (see e. g. type plate).

To install the meter, use the installation and configuration instructions — FEMS package 3-phase sensor without current transformer (KDK 2PU CT): https://docs.fenecon.de/de/fems/fems-app/installationsanleitungen/KDK_2PU_CT_Installationsanleitung.html

The Modbus communication available with the 2PU CT takes place via a serial RS485 interface (2 or 3 wire), which enables the device to be operated from FEMS. In the standard configuration, 64 devices can be connected to a PC or a controller over 1000 meters with one RS485 interface.

The connections for Modbus communication are located above the meter, in the front row of terminals.

Figure 19. RS-485 connection

COM RS-485 connection from the FEMS direction
Data conductor positive (+) (A-conductor)
Data conductor negative (-) (B-conductor)
Minus (-) contact
Plus (+) Contact

Durchführen des Kabels durch eines der vier Löcher der Mehrfachdichtung.

Das Kabel durch die Verschraubung und den Mehrfachdichtung in das Harting-Gehäuse einführen.

The other end with two open pins must be connected to terminal 1/2 on the Harting plug (16-pin — A).
Connect the white core to terminal 1.
Die orange Ader auf Klemme 2 anklemmen.

Then screw the socket into the Harting housing.
Die anderen Öffnungen in der Verschraubung durch die beiliegenden Blindstopfen (8 mm) verschließen.
Durch das Anziehen der Verschraubung das Kabel zugentlasten.

Die restlichen Durchführungen der Mehrfachdichtung mit den beiliegenden Blindstopfen 8mm verschließen und die Verschraubung zudrehen.
Den Stecker oben und unten durch die Halter verriegeln.

6.3.4. DC cable from the battery towers to the parallel switch box

Das beiliegende 10-m-DC-Kabel zwischen den Batterietürmen und der Parallelschaltbox verwenden.
Die Kabel an der Batterie (BAT OUT) und an der Parallelschaltbox (BAT 1-5) anstecken.
Jeweils Plus (+) auf Plus (+) und Minus (-) auf Minus (-) stecken.

Das beiliegende 3-m-DC-Kabel für die Verbindung zwischen der Parallelschaltbox und dem Wechselrichter verwenden.
Die Kabel an der Parallelschaltbox (INV) anstecken und am Wechselrichter mit den passenden Verschraubungen einführen.
Refer to the inverter manual for this.

The DC plugs used on the battery side are not compatible with standard MC4 plugs.

6.3.5. Communication between inverter and EMS box

To seal the network connection, insert the enclosed 10 m network cable into the plug and screw it in place.

Make sure that the network connector protrudes approx. 3 mm above the bayonet catch at the front.
For example, the jumper plug of the battery can serve as a reference for the position of the network plug.

Connect the network cable to the INTERNAL port of the EMS box.

Put the other end of the network cable through the screw connection of the inverter and connect it to the network port (4 — Ethernet for network connection DHCP).
Refer to the inverter manual for more information.

6.3.6. Communication between the batteries

Für die Kommunikation der Batterietürme untereinander müssen alle beiliegenden Netzwerkkabel verwendet werden.
The first network cable must be plugged in and locked (green) between the EMS box (PARALLEL OUT) and the first Extension box (PARALLEL IN).
Likewise on all other towers, always between PARALLEL OUT and PARALLEL IN (blue/orange/yellow).
Am letzten Turm muss die Endbrücke auf PARALLEL OUT gesteckt werden (rot).

6.3.7. Communication with the customer network

Für die Abdichtung der Netzwerkanschlüsse ist das Kabel in den Stecker einzuführen und zu verschrauben. Es wird nur die Mehrfachdichtung und die Verschraubung benötigt.

Falls der Batterieturm im Innenraum aufgestellt wird, kann dieser Punkt übersprungen werden. Und das Netzwerkkabel direkt angesteckt werden.

Es ist darauf zu achten, dass der Netzwerkstecker vorne ca. 3 mm über den Bajonettverschluss ragt.
Beispielhaft kann die Endbrücke der Batterie als Referenz für die Position des Netzwerksteckers dienen.

For the Internet connection and for the storage system configuration, connect the network cable to the LAN port of the battery and the other end of the cable to the customer’s network.

Das Speichersystem hat keine W-LAN-Funktion.

6.3.8. AC connection of the FENECON EMS box

An external 230-V-power-supply is required to supply the FENECON EMS box.

Dies hat den Zweck, die leere Batterie nicht durch zusätzliche Verbraucher zu belasten. Das kann insbesondere im Winter, wenn keine Sonne scheint, oder wenn Schnee auf der PV-Anlage liegt, vorkommen.

Durchführen des Kabels durch das kleinere Loch der Mehrfachdichtung.
Es wird ein Querschnitt von 3 x 1,5 mm² empfohlen.
Darauf achten, dass das Gehäuse mit der 3-Loch-Dichtung verwendet wird.
Das andere Gehäuse wird später benötigt.

Das Kabel durch die Verschraubung und die Mehrfachdichtung in das Harting-Gehäuse einführen.

Harting socket insert, 10-pin, with cable.
- L auf 1 auflegen.
- N auf 2 auflegen.
- PE auf PE auflegen.

Die weiteren Pins sind für die integrierten Relaiskontakte.
Falls diese nicht belegt werden, kann die Buchse in das Gehäuse verschraubt werden.
Die restlichen Durchführungen der Mehrfachdichtung mit den beiliegenden Blindstopfen (10 mm) verschließen und die Verschraubung zudrehen.

Den Stecker an der FEMS-Box anstecken.
Den Stecker oben und unten durch die Halter verriegeln.

7. Capacity expansion of the system
by one or more battery towers

The capacity of the system can be subsequently expanded by one or more battery towers with the same capacity. There is no time limit here.

The full capacity of new battery modules cannot be fully reached as they will adapt to the old modules.

Vor der Erweiterung muss wie folgt vorgegangen werden:

Im Online-Monitoring unter Speichersystem die Funktion "Kapazitätserweiterung" aktivieren.
Die Batterie wird auf 30 % beladen/entladen. Wenn der Ladezustand erreicht ist, wird die Beladung/Entladung gestoppt und der Ladestand gehalten.

Abschalten des kompletten Systems. Die genaue Vorgehensweise wird im Abschnitt [Ausschalten] genau beschrieben. → Sicherungsschalter der Batterie auf OFF. + → AC-Sicherung des Wechselrichters auf OFF.

Aufbau der neuen Batterietürme wie ab Abschnitt Montage — Batterieturm 1 mit FEMS-Box und Abschnitt [Erstinbetriebnahme] beschrieben.
Anschließend kann wieder alles, wie im Abschnitt [Einschalten] beschrieben, eingeschaltet werden.

Run the commissioning wizard again.

If the exact voltage value of the old and new battery towers has not been matched, the new batteries will not be connected.
This is not displayed as an error, but it can happen that the SoC displays of the individual battery towers show different charge levels.
When the charge levels have equalized after a charging cycle, the last battery towers also switch on.
The battery towers work independently, so the flashing frequency of the different towers may vary. The SoC display of the individual towers may also differ briefly.

8. FEMS extensions

The integrated relays can be used directly on the (first) battery tower for the following FEMS extensions.
Various pins on the Harting connectors are provided for this purpose.

Harting-Stecker 10-polig: 3 x freie Relaiskanäle (max.: 230 V; 10 A)
Harting-Stecker 16-polig: 2 x Steuerkontakte (max.: 24 V; 1 A)
- 3 x digital inputs
- 1 x Analoger Ausgang (0-10 V)

It may not be possible to connect and operate all apps at the same time.
For more information on the following apps, please visit our homepage.

100 https://fenecon.de/fenecon-fems/

If the integrated relays are not sufficient, an external 8-channel relay board can be connected via Ethernet.

The pin assignment of the Harting plug (10-pin) is shown in detail below.

Table 28. Connector pin assignment — Power connector
Pos.	Beschreibung
1	230-V-Versorgung für interne Komponenten
2	Relais 1 (230 V; 10 A)
3	Relais 2 (230 V; 10 A)
4	Relais 3 (230 V; 10 A)
5	Neutralleiteranschluss (für integrierten Zähler nötig)
6	PE-Anschluss

The pin assignment of the Harting plug (16-pin) is shown in detail below.

Table 29. Connector pin assignment — Control connector
Item	Description
1	RS485 connection — Mains meter
2	RS485 connection — External devices
3	Analog output (0-10 V)
4	12 V DC (12V; GND)
5	3 x digital inputs
6	Not assigned
7	Relay 5 (24 V; 1 A)
8	Relay 6 (24 V; 1 A)
9	CPC connection

8.1. Connection of a heat pump via "SG-Ready"

The integration of an "SG-Ready" (Smart-Grid-Ready) heat pump is an advanced form of sector coupling of electricity and heat — often also referred to as a "Power-to-Heat" application. The control system ensures that the heat pump slightly overheats the thermal storage unit at times when cheap (solar) electricity is available in order to save electrical energy at times when there is no cheap surplus electricity.

1. The internal relay contacts 5 and 6 can be connected via pins 5/6 and 7/8 on the Harting plug (16-pin — C).
2. For detailed information on connecting the heat pump, please refer to the respective manufacturer’s installation instructions.

Nach der Installation der Komponenten muss die App noch installiert werden.
Hierfür wie im Abschnitt [Aktivierung der App im FEMS App Center] vorgehen.

8.2. Connection of a Heating element with a maximum of 6 kW

The integration of an electric heating element is the simplest and cheapest form of sector coupling of electricity and heat — often also referred to as a "Power-to-Heat" application.

If the capacity of the electrical storage unit is at maximum, self-generated energy is fed into the public grid with low remuneration. In these cases, it often makes sense to use the surplus electricity for water heating (e.g. for hot water buffer tanks, pool heating, etc.). In this way, other energy sources (e.g. wood or oil) can be saved.

So that each phase of the heating element can be controlled separately, each phase must be connected individually to a relay.
To do this, connect phase 1 (brown) to pin 3 on the Harting plug (10-pin). Continue from pin 4 to the heating element. Use pins 5/6 and 7/8 for phase 2 (black) and phase 3 (gray).
Loop through the neutral conductor N via pin 9/10.
A cable (5G1.5) from the sub-distribution board to the Harting plug and a cable (5G1.5) from the Harting plug to the heating element are recommended.
For detailed information on connecting the heating element, please refer to the respective manufacturer’s installation instructions.

Care must be taken to ensure that three different phases are used. If only one phase is used, damage may occur.

Nach der Installation der Komponenten muss die App noch installiert werden.
Hierfür wie im Abschnitt [Aktivierung der App im FEMS App Center] vorgehen.

Manual mode is only suitable for temporary operation. For permanent operation, the external relay control must be used.

8.3. Control of a heating element greater than 6 kW (control via external relay)

The integration of an electric heating element is the simplest and cheapest form of sector coupling (electricity and heat) — often also called a "power-to-heat" application.

If the capacity of the electrical storage unit is exhausted, self-generated energy must be fed into the public grid with low remuneration. In these cases, it often makes sense to use the surplus electricity for water heating (e.g. for hot water buffer tanks, pool heating, etc.). In this way, other energy sources (e.g. wood or oil) can be saved. The externally installed relays must suit the set output of the heating element installed.

So that each phase of the heating element can be controlled separately, each phase must be connected individually to the internal relay via an additional external relay.
Connect L1 to pin 3 via a MCB B6 fused. Route phase L1 from pin 4 to the external relay and connect to A1. A2 must be connected to the neutral conductor.
Mit den beiden anderen Phasen gleich zu Schritt 2 verfahren. K2 und K3 über die Pins 5/6 und 7/8 anschließen.

Alternativ zu L2/L3 kann natürlich auch L1 durchgeschliffen werden, oder.
Oder alternativ die Schütze/Relais mit 24 V ansteuern. Wenn eine andere Spannungsquelle verwendet wird, dann darf A2 nicht mit N verbunden werden.

The voltage supply of the heating element must then be connected to the switching contacts of the relays.
For detailed information on connecting the heating element, please refer to the respective manufacturer’s installation instructions.

Nach der Installation der Komponenten muss die App noch installiert werden.
Hierfür wie im Abschnitt [Aktivierung der App im FEMS App Center] vorgehen.

8.4. Control of a CHP unit

The integration of a combined heat and power plant (CHP) into the electrical energy management is an advanced form of sector coupling of electricity and heat.

This enables the application of the CHP unit as an electrical generator that is independent of the time of day and weather conditions. The CHP unit is given a switch-on signal to produce electricity when the storage unit’s charge level is low. This is useful, for example, if the battery capacity is not sufficient to cover electricity consumption at night. This avoids the need of purchasing expensive electricity from the grid.

When the battery is charging, this signal is stopped again to prevent the CHP power from being fed into the grid unnecessarily.

1. The enable signal for starting the CHP can be connected to pins 5/6 via the Harting plug (16-pin — C).
2. For detailed information on connecting a CHP unit, please refer to the manufacturer’s installation instructions.

Nach der Installation der Komponenten muss die App noch installiert werden.
Hierfür wie im Abschnitt [Aktivierung der App im FEMS App Center] vorgehen.

8.5. Additional AC meter

If other meters have been installed for monitoring other consumers or generators, these must be integrated into the circuit in accordance with the manufacturer’s instructions. +
The communicative integration is shown below using a 3-phase sensor without a current transformer as an example. +
Only meters approved by FENECON can be integrated. +
The first generation meter is always integrated with Modbus ID 6. All others in ascending order. The baud rate must be 9600.

Connect the cores to pin 3/4 of the Harting plug (16-pin — A).
Connect the white core (alternative color possible) to terminal 3.
Die braune Ader (alternative Farbe möglich) auf Klemme 4 anklemmen.

Am Beispiel SOCOMEC E24

The brown wire (alternative color possible) is connected to the meter at connection point 2 and the white core (alternative color possible) is then connected to 3.
Am letzten Busteilnehmer muss zwischen + und - (A/B) ein Endwiderstand mit 120 Ω verbaut werden.

Am Beispiel KDK 4PU

The brown wire (alternative color possible) is connected to the meter at connection point 8 and the white core (alternative color possible) is then connected to 7.
A 120 Ohm terminal resistor must be installed between + and - (A/B) on the last bus device.

If several meters are to be installed, they can be connected in series for communication purposes. For this purpose, the first meter can be bridged to the second, etc. The Modbus address must be set in ascending order.
link:++https://docs.fenecon.de/en/index.html]

Nach der Installation der Komponenten muss die App noch installiert werden.
Hierfür wie im Abschnitt [Aktivierung der App im FEMS App Center] vorgehen.

8.6. Activation of the app in the FEMS App Center

Nach der Installation der hardwareseitigen FEMS Erweiterung muss diese noch im App Center aktiviert werden. Hierfür wie folgt vorgehen:

https://portal.fenecon.de/m

Melden Sie sich mit Ihrem Installateurs-Zugang an.

Oben links auf die drei Striche klicken.

"Einstellungen" auswählen

"FEMS App Center" klicken.

Durch Klick auf "Lizenzschlüssel einlösen" öffnet sich ein neues Fenster.

Den Lizenzschlüssel eingeben und "Lizenzschlüssel validieren" klicken. (Der Lizenzschlüssel muss vorab gekauft werden)

If the validation was successful, a list of the respective apps is displayed in a selection, which can be installed with the redeemed license key.
Auswählen der zu installierenden App.

You will then be redirected to the installation wizard for the respective app.
Make settings.
Then click on "Install app".

9. Controlling the inverter externally

There are various ways to override the inverter from external devices.

10. Troubleshooting

10.1. Fehler im Online-Monitoring

The system status can be checked after logging in at the top right using the color of the symbol. A green tick indicates that everything is OK, an orange exclamation mark indicates a warning (Warning) and a red exclamation mark indicates an error (Fault).

10.1.1. Fault display

System status: Everything is OK

System state: Warning

System state: Error (Fault)

10.1.2. Troubleshooting

You can get a detailed overview of an existing warning or error by clicking on the exclamation mark in the top right-hand corner.

The scroll bar can be used to examine the origin of the warning or error in more detail.
In this example, the error lies with the controller used.

Clicking on the icon (down arrow) displays a more detailed error description depending on the error.

In the example above, an incorrect reference for the network counter was intentionally entered for test purposes, which is why the controller fails to run.

Under certain circumstances it can happen that the FEMS is not accessible and the adjacent error message appears.

Wenn das FEMS offline ist, folgen Sie den Schritten, die unter der Meldung angezeigt werden.

10.2. Battery tower

10.2.1. Fault display

Errors are displayed on the FENECON Home 10 BMS box via a red LED.

The various errors are indicated by LED codes.

Speicher-Status

Speicher-Information

LEDs

blau/rot

1

2

3

4

Boot-Lader

Starten

Master/Slave

Parallel-Box

Extension Box

Prüfmodus

Einzel- oder Parallelverschaltung

SoC-Display

Laden

0 % bis 25,0 % SoC

25,1 % bis 50,0 % SoC

50,1 % bis 75,0 % SoC

75,1 % bis 99,9 % SoC

100 % SoC

Entladen und Standby

100%-75,1%

75,0%-50,1%

50,0%-25,1%

25,0%-0%

Fehler

Überspannung

Unterspannung

Übertemperatur

Untertemperatur

Überstrom

SoH zu tief

Int. Kommunikation

Ext. Kommunikation

Adressfehler Parallel

Adressfehler Module

BMS-Box-Sicherung

Modulsicherung

Kontaktfehler

Isolationsfehler

BMS-Fehler

Blue permanently on

blinking blue

Blue flashing quickly

Red permanently on

10.2.2. Troubleshooting

Wenn Störungen nicht behoben werden können oder bei Störungen, die nicht in der Störungsliste erfasst sind, muss der FENECON-Service kontaktiert werden. Siehe Abschnitt Service.

10.3. Fault list

Table 30. Troubleshooting
Component	Disturbance	Measure
Battery module	The battery module has become wet	Do not touch Contact FENECON service immediately for technical support
Battery module	The battery module is damaged	A damaged battery module is dangerous and must be handled with the utmost care. Damaged battery modules must no longer be used. If you suspect that the battery module is damaged, stop operation and contact FENECON service

10.4. Service

Bei Störungen der Anlage ist der FENECON-Service zu kontaktieren:

Phone: +49 (0) 9903 6280-0

E-mail: service@fenecon.de

Unsere Servicezeiten:
Mo.-Do. 08:00 bis 12:00 Uhr | 13:00 bis 17:00 Uhr
Fr. 08:00 bis 12:00 Uhr | 13:00 bis 15:00 Uhr

11. Technical maintenance

11.1. Tests and inspections

When carrying out inspection work, ensure that the product is in a safe condition. Improperly performed inspections can have serious consequences for people, the environment and the product itself.

Inspektionsarbeiten sind ausschließlich von ausgebildeten und befähigten Fachkräften durchzuführen.

The maintenance instructions of the component manufacturer must be observed for all individual components.

Kontrollieren Sie das Produkt und die Leitungen regelmäßig auf äußerlich sichtbare Beschädigungen. Bei defekten Komponenten kontaktieren Sie den FENECON-Service. Reparaturen dürfen nur von der Elektrofachkraft vorgenommen werden.

11.2. Cleaning

Cleaning agents: The use of cleaning agents can damage the electrical energy storage unit and its parts.
It is recommended that the electrical energy storage unit and all its parts are only cleaned with a cloth moistened with clean water.

The entire product must be cleaned regularly. Only suitable cleaning agents may be used for this purpose.
The cleaning agents must be free of chlorine, bromine, iodine or their salts. Steel wool, spatulas and the like must never be used for cleaning. The use of unsuitable cleaning agents can lead to external corrosion.

11.3. Wartungsarbeiten

No regular maintenance work needs to be carried out on the system, but check the status of your Storage unit regularly.

Eine regelmäßige Neu-Referenzierung des Speichers wird empfohlen, d. h., dass dieser vollständig entladen (SoC = 0 %) und anschließend wieder vollständig beladen werden muss (SoC = 100 %), da es sonst ggf. zu Kapazitätsverlusten kommen kann.

11.4. Repairs

The FENECON service must be contacted in the event of defective components.

12. Information for fire departments when handling FENECON home and commercial battery energy storage systems

The FENECON home and commercial systems operate in the low-voltage range, which means that they are operated with voltages of less than 1,500 volts direct current (DC) and less than 1,000 volts alternating current (AC).

It may be useful to install an additional switch that disconnects the building from the emergency power supply. This makes it easier for the fire department to act safely and quickly in an emergency.

Figure 20. Installation — Maintenance switch using the example of Home 20/30

For a precise procedure for emergency services, it is recommended to ask the relevant fire department schools and request the corresponding information sheets and pocket cards for battery storage systems.

13. Handover to the operator

13.1. Information for the operator

The following information must be provided to the operator:

Table 31. Information for the operator
Komponente	Information/Dokument	Bemerkung
Anlage	FEMS-Nummer
Anlage	Login-Daten für Online-Monitoring
Anlage	Bedienungsanleitung

14. Transportation

This section contains information on external and internal transportation of the product.

Transportation is the movement of the product by manual or technical means.

Only use suitable and tested lifting gear and hoists for transportation!

Risk due to lifted Loads!
Standing under suspended Loads is prohibited!

Check that the parts and outer packaging are in perfect condition.

Überzeugen Sie sich, dass

all parts are firmly screwed together,
the transport lock has been properly fastened,
you wear personal protective equipment.

Ensure that nobody is on or near the product during transportation. Do not use people as counterweights.
Ensure that nobody is remaining below suspended loads.

Notes:

The batteries are removed or replaced by specialist personnel and transported by a hazardous goods carrier.
Observe the current laws, regulations and standards when transporting the batteries, e. g: Dangerous Goods Transportation Act (GGBefG).

Legal regulations
The product is transported in accordance with the legal regulations of the country in which the product is transported off-site.

15. Dismantling and disposal

15.1. Prerequisites

The power supply to the Battery energy storage unit is interrupted and secured against being switched on again.

Sharp and pointed edges
Risk of injury to the body or limbs due to sharp and pointed edges.

Always wear suitable protective equipment (cut-resistant protective gloves, protective footwear, protective eyewear) when working on the product!

15.2. Dismantling

The electrical Energy storage system must only be dismantled by authorized electricians.
Dismantling work may only be carried out when the system has been taken out of operation.
Before starting disassembly, all components to be removed must be secured against falling, tipping over or moving.
Dismantling work may only be carried out when the system is shut down and only by service personnel.
The dismantling instructions of the component manufacturers (see appendix, Other applicable documents) must be observed.
The current laws, regulations and standards must be observed when transporting the battery modules (e.g. Dangerous Goods Transportation Act - GGBefG).

15.3. Waste disposal

The FENECON system must not be disposed of with normal household waste.
The FENECON Home 20 & 30 is RoHS- and REACH-compliant.
Disposal of the product must comply with local regulations for disposal.
Avoid exposing the battery modules to high temperatures or direct sunlight.
Avoid exposing the battery modules to high humidity or corrosive atmospheres.
Dispose of the electrical energy storage system and the batteries it contains in an environmentally friendly manner.
Contact FENECON GmbH to dispose of the used batteries.

For the disposal of all components, the local environmental protection regulations must be adhered to!
Observe the local regulations and information in the safety data sheets when disposing of auxiliary and operating materials.
For disposal, also observe the information in the individual operating instructions for the respective components.
If in doubt about the disposal method, contact the manufacturer or the local waste disposal company.