FENECON Industrial S — Assembly and Operating Instructions

1. About these instructions

These operating instructions are an integral part of the Battery energy storage system and must be kept in its immediate vicinity and accessible to personnel at all times. Furthermore, all documents listed in the appendix to these operating instructions and the operating instructions of the component manufacturers must be observed.

Personnel must have carefully read and understood these operating 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
Website: www.fenecon.de

1.2. Formal information on installation and service instructions

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

1.3. Version/revision of the installation and service instructions

Table 1. Version/revision
Version/revision	Change to installation and service instructions	Date	Name
V1	Initial version	11/12/2023	FENECON GmbH
V20240125	Supplement storage versions connection AA3	25/01/2024	FENECON GmbH
2024.04.1	Revision/supplement to the instructions	10/04/2024	FENECON GmbH
2024.08.1	Revision of sections 3 & 6	12/08/2024	FENECON GmbH
2025.03.1	Revision print version	12/03/2025	FENECON MR

1.4. Symbol conventions

Table 2. Symbol conventions

This signal word indicates an imminent danger. If this danger is not avoided, it will result in death or serious injury.

This signal word indicates a possible danger. If this danger is not avoided, it can lead to death or serious injury.

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

This signal word indicates actions to prevent damage to property. Observing these instructions prevents damage to or destruction of the system.

Supplementary information

1.5. Structure of warning notices

Warning notices protect against possible personal injury and damage to property if observed and classify the magnitude of the danger by means of the signal word.

Warnings are structured according to the SAFE method:

Signal word	Meaning
S	Signal word (DANGER, WARNING, CAUTION or NOTICE)
A	Type and source of danger Description of the hazard and the cause of the hazard
F	Consequence Description of the possible consequences for humans, animals and the environment that may result from the hazard
E	Escape Recommendations on how hazards can be avoided

Signal word

Meaning

Signal word (DANGER, WARNING, CAUTION or NOTICE)

Type and source of danger
Description of the hazard and the cause of the hazard

Consequence
Description of the possible consequences for humans, animals and the environment that may result from the hazard

Escape
Recommendations on how hazards can be avoided

Source of the danger
Possible consequences if not observed

Measures for avoidance/prohibitions

1.6. Terms and abbreviations

The following terms and abbreviations are used in the instructions:

Table 3. Terms and abbreviations
Term/Abbreviation	Meaning
AC	Alternating Current - alternating current
ADR	Accord européen relatif au transport international des marchandises dangereuses par route (European Agreement concerning the International Carriage of Dangerous Goods by Road)
BMS	Battery Management System
DC	Direct Current
EMS	Energy Management System
FEMS	FENECON Energy Management System
ESS	Energy Storage System
HV	High Voltage
CX	Commissioning
GCP	Grid Connection Point
NMC	Nickel-Manganese-Cobalt
PE	Protective Earth conductor
PV	Photovoltaics
RCD	Residual Current Device
SoC	State of Charge The available capacity in a battery, expressed as a percentage of the nominal capacity.
VDE	German Association for Electrical, Electronic & Information Technologies e. V.
Widget	Component of Online Monitoring

1.7. Appendix to this document

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

1.8. 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 passes these installation and service instructions on to that person.

2. Safety

2.1. Intended use

The FENECON Industrial S is a compact industrial energy storage system (power storage system) consisting of various modules. These include, in particular, efficient inverters, the FENECON Energy Management System (FEMS) and powerful batteries including thermal management. The energy storage system is used to store and supply electrical energy and is intended for connection to the 400 V/50 Hz public power grid.

The FENECON Industrial S series is available with an inverter output of 92 or 184 kVA and a capacity of 82 or 164 kWh.

The electrical energy storage system must only be used in compliance with the permissible technical data (see Technical data).

Any other use is not an intended use.

2.2. Field of application

The product is intended exclusively for use in the following areas of application:

Commercial use

The device is not intended for use in residential areas and cannot ensure adequate protection of radio reception in such environments.

2.3. Qualification of 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.

2.3.1. Qualified electricians

Qualified electricians include persons who:

are able to carry out work on electrical systems due to their technical training, experience and 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.
have access to all maintenance information.

2.3.2. Specialist personnel (refrigerant technicians)

Specialist personnel include persons who:

are able to carry out work on the cooling system due to their technical training, experience and knowledge of the relevant standards and regulations.
have been commissioned and trained by the operator to carry out work on the cooling system.
are familiar with how the cooling system works.
recognize hazards and prevent them by taking appropriate protective measures.
have access to all maintenance information.

2.3.3. Service staff

Work that goes beyond connecting the system may only be carried out by the manufacturer’s specialist personnel. Other personnel are not authorized to carry out this work.

Service personnel includes manufacturer personnel or specialist personnel instructed and authorized by FENECON GmbH who must be requested by the operator to work on the Battery energy storage system (e.g. Assembly, repair, maintenance, work on the batteries, etc.).

2.4. Safety and protective devices

The safety devices must not be bypassed or switched off. Operating the electrical energy storage system without or with defective protective devices is prohibited. The safety devices must always be kept within easy reach and checked regularly.

2.4.1. Safety screws

All access points to the Battery energy storage system are locked with safety screws. Access is only possible with special tools. Only authorized specialists may open the housing.

The panel labeled "Control Cabinet" must only be opened for installation. All other system panels must only be opened when the system is unlocked and by personnel authorized by the manufacturer.

2.4.2. HV battery emergency stop switch

In emergency situations, the batteries can be switched off using the emergency stop button. The emergency stop button must not be used to switch off the batteries normally. Battery energy storage is equipped with 1 emergency stop button.

The emergency stop switch is located inside the Battery energy storage unit.

If required by the operator, there is the option of installing an external emergency off switch, further information can be found in section Connection — Signal interface.

Pressing the emergency stop button
Pressing the emergency stop button triggers the following reaction:

The HV contactors in all batteries are switched off.

Once the emergency situation has been rectified, the emergency-off push-button must be unlocked before the system is switched back on.

Unlocking the emergency-off push-button
The emergency-off push-button must be unlocked before switching back on after a tripped emergency stop:

Acknowledge emergency stop
The emergency stop is acknowledged at the acknowledge button on the emergency stop switch.

There is also the option of installing an external acknowledgement key; further information can be found in the section Connection — Signal interface.

2.4.3. Earthing connections inside/outside

The electrical energy storage has 4 earthing connections, which are located at the bottom of the four corners. There is also a PE rail inside the Control Cabinet for the grid connection (see sections AC connection and Connection — Additional equipotential bonding).

2.5. Residual risks

The product is manufactured in accordance with the current state of the art and recognized safety principles, taking into account the relevant legal regulations.
Nevertheless, there may be hazards to persons and/or the environment when handling the product.

No access for unauthorized persons!
There is a risk of death or serious injury in the entire danger zone due to unexpected incidents.

Do not enter the danger zone.
Stop all hazardous movements before entering the danger zones and secure against restarting.
Only authorized personnel are permitted to enter hazardous areas.
Safety: Ensure that no unauthorized persons are present in the areas.

Risk of electric shock
Contact with live components can result in death or serious injury.

Do not touch live components.
Work on live components may only be carried out by a qualified electrician.

Risk of burns
There is a risk of burns on hot cables and housing surfaces in the event of direct contact with uninsulated surfaces and hot media. The hazard points are marked with corresponding pictograms.

Do not touch the danger zone.

This signal word indicates actions to prevent damage to property. Observing these instructions prevents damage to or destruction of the system.

2.6. Safety instructions

2.6.1. General information on the FENECON Industrial S Battery energy storage system

The batteries may only be removed or replaced by service personnel and transported using hazardous transportation.
The current laws, regulations and standards must be observed when transporting the Battery energy storage system (e.g. Dangerous Goods Transportation Act (GGBefG, ADR).
The electrical energy storage system must only be used under the specified charging/discharging conditions (see section 3 Technical data).
Only use the Battery energy storage system as intended. Improper use can lead to overheating, explosion or fire of the battery modules.
Do not immerse the Battery energy storage system in water.
Keep away from water sources.
Prevent the ingress of water when working on the power storage system.
Switch off the damaged power storage system immediately and do not use it again.
Modifications to the electricity storage system are prohibited.
The power storage system may only be operated under the specified environmental conditions.
Do not use the power storage system if changes in color or mechanical damage are detected during Assembly, charging, normal operation and/or storage.
Eye and skin contact with leaked electrolyte solution must be avoided. After contact with eyes or skin, rinse/clean immediately with water and seek medical attention. Delayed treatment can cause serious damage to health.
Do not apply any mechanical force to the power storage system. The system can be damaged and short circuits can occur, which can lead to the system overheating, exploding or catching fire.
No soldering work may be carried out on the power storage system. Heat introduced during soldering can damage the system
The power storage system must not be dismantled or modified. Damage to the integrated safety mechanisms and protective devices can lead to overheating, explosion and/or fire in the power storage system.
An electricity storage system that exhibits odors and/or temperature increases, changes color and/or shape, leaks electrolyte solution or exhibits other anomalies must be shut down immediately, otherwise it may lead to overheating, explosion and/or fire.
Do not charge the batteries in an external charger.
Read the instructions for installation and operation to avoid damage due to incorrect installation/operation.
The battery modules may have insufficient cell voltage after a long storage period.
Do not expose the power storage system to high voltage.
Set up the electricity storage system on a level and load-bearing surface.
Do not place any objects on the power storage system.
The floor condition is the responsibility of the operator.

2.6.2. Installation, operation and maintenance

Always observe the following safety instructions when installing, operating or maintaining the power storage system:

Installation/maintenance work on the battery storage system and making the cable connections may only be carried out by qualified personnel (qualified electricians).
During Assembly and maintenance work on the electricity storage system, stand on dry insulating objects and do not wear any metal objects (e.g. watches, rings and necklaces) during maintenance work/operation.
Use insulated tools and wear personal protective equipment.
The batteries can cause an electric shock and burns due to short-circuit currents.
Do not touch two charged contacts with a potential difference.
Measure the system voltage with a multimeter and ensure that the output voltage is 0 V when switched off.
If an anomaly is detected, switch off the energy storage system immediately.
Do not continue the maintenance work until the cause of the fault has been rectified.

2.6.3. Fire protection

The heat can cause insulation to melt and the safety ventilation to be damaged, which can lead to overheating, explosion or fire on the battery modules.
Do not heat the energy storage system.
Do not expose the energy storage system to naked flames.
Contact of the batteries with conductive objects (e.g. wires) is prohibited.
Do not set up or use the energy storage system near naked flames, heaters or high-temperature sources.
Keep the energy storage system away from sources of heat and fire, flammable, explosive and chemical materials.
Do not dispose of the battery modules in a fire due to the risk of explosion.
Do not store flammable materials in the container
Only use flame-retardant operating fluids and coolants
Clean extraction and ventilation systems regularly
Change dirty filter elements

2.7. Behavior in case of emergency

Proceed as follows in emergency situations:

Disconnect the electricity storage system from the grid
Leave the zone of danger immediately
Secure the zone of danger
Inform the persons responsible
Alert a doctor if necessary

2.8. 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.
Check that there is no voltage.
Earth and short-circuit.
Cover or shield neighboring and live parts.
- Non-compliance with safety rules is considered a reasonably foreseeable misuse.

Other cases of misuse include in particular:

Improper transportation, installation, assembly or trial operation can damage the product.
Change in the specified technical characteristics, including the individual components.
Change or deviation of the connected load.
Functional or structural changes.
Operating the product in a faulty or defective condition.
Improper repairs.
Use by untrained persons (instruction in accordance with the installation and service instructions is provided by the operator).
Operation without protective devices or defective protective devices.
Disregarding the information in the original installation and service instructions.
Unauthorized or unauthorized access via the control unit or the network.
Fire, open light and smoking in the vicinity of the storage system.
Insufficient ventilation.
Unauthorized changes and actions to the electrical energy storage system.
Private use.
Use as mobile energy storage.
Direct use in a PV system (only one AC-side grid feed-in possible).

2.9. Pictograms

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

Table 4. Pictograms
Pictogram	Meaning	Position
	Pictogram warning of dangerous voltage	Pictogram on the enclosure, and marking of components which do not clearly indicate that they contain electrical equipment which may be the cause of a risk of electric shock.
	Earth before use	In the area of the earthing connections (e. g. on the container).
	Warning of hot surface.
	General warning sign.
	Battery charging hazard warning	Pictogram on the enclosure and marking of components which do not clearly indicate that they contain electrical equipment which may give rise to a battery charging hazard.
	General prohibition sign.
	No open flames; fire, open sources of ignition and smoking prohibited	Pictogram on the enclosure and marking of components which do not clearly indicate that they contain electrical equipment which may give rise to a risk of open flames, fire, naked sources of ignition and smoking.
	Separate collection of electrical and electronic equipment	At the batteries.
	Please follow the instructions.
	Use protective headgear.
	Use protective footwear.
	Use protective gloves.

2.10. Operating materials/equipment

2.10.1. Electrolyte solution of the battery modules

Electrolyte solution is used in the battery modules (NMC).
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.
After contact with skin, wash thoroughly with soap and water.
After contact with eyes, rinse with running water for 15 minutes as soon as possible; consult a doctor immediately.

Further information on the electrolyte solution can be found in the manufacturer’s safety data sheet.

2.10.2. Refrigerant of the cooling system

Contains pressurized gas, may explode when heated.
Protect from sunlight and store in a well-ventilated place.
Rapid evaporation of the liquid can cause frostbite.
Misuse or intentional inhalation can be fatal without alarming symptoms due to effects on the heart.
May cause cardiac arrhythmia.

The refrigerant used in the integrated air conditioning system is R134a.

2.10.3. Electrical equipment

Work on electrical equipment may only be carried out by qualified electricians.
Maintenance work may only be carried out by trained specialist personnel (service personnel).
Before starting work on the system, carry out visual checks for insulation and housing damage.
Regular checks for insulation and housing damage must be carried out.
The system must never be operated with faulty or non-operational electrical connections.
To avoid damage, lay supply lines without crushing and shearing points.
Only insulated tools may be used for maintenance on uninsulated conductors and terminals.
The entire energy storage system and its individual components (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.
Observe the inspection and maintenance intervals for electrical components specified by the manufacturer.
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!
Dangerous residual voltages may still be present on some equipment (e. g. inverters) with an electrical DC link for a certain period of time after disconnection.

Before starting work on these systems, check that they are de-energized.

2.11. Notes on occupational health and safety

The obligations arising from occupational health and safety must be implemented by the operator of the low-voltage equipment.
The obligations include the following points.

Provision of these operating instructions or extracts thereof to persons who carry out tasks in connection with the product.
Instruction of persons with regard to the intended use as well as the prohibited use.
Instruction of persons with regard to protective equipment and supplementary protective equipment.
Instruction of persons with regard to all residual risks.

2.12. Personal protective equipment

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

Protective footwear
Protective gloves, cut-resistant if necessary
Protective eyewear
Protective headgear

2.13. Spare and wear parts

The use of spare and wear parts from third-party manufacturers can lead to risks. Only original parts or spare and wear parts approved by the manufacturer may be used. The instructions for spare parts must be observed.

Further information must be requested from the manufacturer.

2.14. IT security

FENECON energy storage systems and their applications communicate and operate without internet connection. The individual system components (inverters, batteries, etc.) are not directly connected to the internet or accessible from the internet. Sensitive communications via the internet are processed exclusively via certificate-based TLS encryption.

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. General information

Table 5. Technical data - General information
Product variant	ISK010	ISK011	ISK110
Number of Inverters	1		2
Inverter power in kVA (total) ¹	92		184
Number of batteries	2	4
Nominal battery capacity in kWh (total)	84.5	169.0
Usable battery capacity in kWh (total) ²	82	164
Max. Continuous phase current in A	152		285
Rated AC voltage in V	400/230V, 3P + N + PE
Rated frequency in Hz	50
Battery technology	Nickel Manganese Cobalt (NMC)
Cooling medium battery	R134a
Cooling medium Inverter and climate control unit	Air
Internal lighting (operation)	Min. 300 lux
Expected time-averaged measurement surface sound pressure level at a distance of 1 m (according to DIN EN ISO 3744: 2011-02) ³	65 dB(A)
Installation location	Outdoor

¹ Nominal power at nominal conditions; the actual power depends on other factors such as state of charge, ambient temperature and cell temperatures.

² DC-side at 25 °C and 0.2 C (see guarantee conditions at docs.fenecon.de)

³ The actual noise exposure caused by the product depends on the ambient conditions. Therefore, the operator must carry out further noise measurements at the installation site of the product in accordance with the BimSchG.

3.2. Ambient conditions

The following ambient conditions must be observed during operation and storage.

Table 6. Technical data - Ambient conditions
Description	Value/dimension
Operating or storage altitude above sea level	≤ 2000 m
Ambient temperature (operation/storage)	-20 °C … +40 °C
Relative humidity (operation/storage)	50 % non-condensing (up to 90 % permissible for short periods)

The container is not suitable for installation in a marine environment.

3.3. Dimensions

Figure 1. Battery energy storage with dimensions (tolerance center of gravity +- 50 mm) [in mm]

Figure 2. Transport dimensions, Battery energy storage with transport rails (tolerance center of gravity +- 50 mm) [in mm]

The centers of gravity of the Industrial S variants are within the tolerance specified in Image: Electrical energy storage with dimensions and Image: Transport dimensions, electrical energy storage with transport rails.

Additional transport rails are required to transport the system, which increases the external dimensions (see image and section [Transport]).

Table 7. Technical data — Dimensions
Product variant	ISK010	ISK011	ISK110
External dimensions in mm L x W x H	2640 x 1210 x 1875
External dimensions in mm L x W x H incl. transport rail	2640 x 1420 x 1875

3.4. Weights

Table 8. Technical data — Weights
	ISK010	ISK011	ISK110
net weight in kg	1710	2260	2340
Gross weight in kg (transport weight)	1770	2320	2400

3.5. Type label

The type label is located on the outside of the electrical energy storage unit and also on the inside of the Control Cabinet.

The image type label shows an example of the core information of the electrical energy storage device and its serial number.

Figure 3. Type label

The serial number is made up of the following information:

Product variant (see section 3 Technical data, General, e. g. ISK110)
Revision status (see section [Version/revision of the electrical energy storage system], e. g. AA2)
Unique number

Figure 4. Serial number

3.5.1. Battery energy storage version/revision

The revision number of the Battery energy storage system reflects the hardware structure. If differences occur in the course of modifications, this is indicated and described in these operating instructions by means of a revision number. If no explicit revision number is specified, the description applies to all revision levels.

4. General description

The FENECON Industrial S is a compact industrial electrical energy storage system consisting of various modules. These include, in particular, efficient inverters, the FENECON Energy Management System (FEMS) and a powerful automotive full pack including thermal management.
The FENECON Industrial S electrical energy storage system is available with an inverter output of 92 or 184 kVA and a capacity of 82 or 164 kWh.
The FENECON Industrial S is an electrical energy storage system for outdoor installation.

Figure 5. FENECON Industrial S

4.1. System structure

The inverters and the climate control unit are located in the upper part of the system. The all-round cladding grilles protect the components against direct weathering and contact. In addition, the surrounding grilles allow ideal ventilation of the components for cooling. The grilles must not be covered and the minimum distances from the section [Selecting and preparing the installation site] must be observed.
The batteries and electrical components are located in the lower part of the system. This area is watertight to the outside.

4.1.1. Overview — System components

Figure 6. Front components

Position	Component	Comment
1	LTE antenna
2	Climate control unit
3	Control Cabinet
4	Low-voltage distribution
5	Control components
6	Inverter 2 (only for ISK110)	ISK011 PAR box, ISK010 unequipped
7	Inverter 1
8	Switch cabinet lighting with 230 V socket for service laptop
9	Emergency-off for HV batteries
10	Acknowledgement key for emergency-off
11	RJ45 port for service
12	Cable entry at the front	Alternative: From below the system

Figure 7. Rear components

Position	Components	Comment
1	Controller — Climate control unit
2	Automotive batteries incl. BMS
3	HV-800 box
4	Climate control unit
5	F2B
6	Refrigerant distributor

4.1.2. Components — Control Cabinet

The control cabinet describes the control cabinet of the power storage system and contains the low-voltage distribution and the control components. This component is located behind the facing tile labeled "Control Cabinet".

Different versions are shown below depending on the revision status. (see [Version/revision of the electrical energy storage system])

Control Cabinet (AA1, AA2)

Figure 8. Components — Control Cabinet (AA1, AA2)

Table 9. Components — Control Cabinet (AA1, AA2)
Position	Description	Comment
1	Fuse auxiliary consumer	-F3
2	Fuse inverter 1	-F1
3	Fuse inverter 2	-F2/only equipped with ISK110
4	Connection terminals 3-phase rail system	-X1/Customer connection
5	N-rail	-/Customer connection
6	PE rail	-/Customer connection
7	C-rail for cable clamps	-/-
8	Supply line overvoltage protection	-U1/phase L1 -U2/phase L2 -U3/phase L3 -U4/neutral
9	Communication incl. overvoltage protection	-F11, -F12, -F13, -F14, -F21, -F22, -F23/Customer connection see sections Connection — Communication and Connection — Signal_Interface.
10	Power supply unit (24 V)	-T1 /-
11	Buffer module (24 V)	-T2 /-
12	FEMS	-K1 /-
13	LTE router	-K4 /-
14	Emergency-off relay	-U5 /-
15	Relay air conditioning unit	-Q4 /-
16	Relay acknowledgement key	-Q5 /-
17	Switch	-A7 /-
18	Fuses (24 V)	-K50 /- -F50:1/F2B 1 and 2 F -X50:1.1/F2B 1 and 2 C -F51:1/F2B 3 and 4 F -X51:1.1/F2B 3 and 4 C -F52:1/FEMS -X52:1.1/Switch -X52:1.2/LTE router -F53:1/Relay air conditioning unit -X53:1.1/Relay acknowledgement key -X53:1.2/Surge protection supply line signaling contact -X53:1.3/Emergency-off relay -F54:1/air conditioning unit
19	Fan	-EC1 /-
20	Thermostat	-EC2 /-
21	Fuse consumer load Control Cabinet	-F6/MCB switch 24 V power supply unit -F7/MCB switch Fan -F8/MCB switch and RCD for light with socket outlet
22	Fuse for air conditioning unit	-F4/RCD -F5/MCB switch

Control Cabinet (AA3, AA4)

Figure 9. Components — Control Cabinet (AA3, AA4)

Table 10. Components — Control Cabinet (AA3, AA4)
Position	Description	Comment
1	Fuse auxiliary consumer	-F1/-
2	Fuse inverter 1	-F2/-
3	Fuse inverter 2	-F3/only equipped with ISK110
4	Connection terminals 3-phase rail system	-X1/Customer connection
5	N-rail	customer connection
6	PE rail	Customer connection
7	C-rail for cable clamps	-/-
8	Supply line overvoltage protection	-F9/Phase L1 -F10/Phase L2 -F11/Phase L3 -F12/Neutral
9	Communication incl. overvoltage protection	-X13, -F18, -F19/Customer connection see sections Connection — Communication and Connection - Signal interface.
10	Power supply unit (24 V)	-T1/-
11	Buffer module (24 V)	-C1/-
12	Fuses (24 V)	-K50/- -F50:1 /F2B 1 and 2 F -X50:1.1/F2B 1 and 2 C -F51:1/F2B 3 and 4 F -X51:1.1/F2B 3 and 4 C -F52:1/FEMS -X52:1.1/Switch -X52:1.2/LTE router -F53:1/Relay air conditioning unit -X53:1.1/Relay acknowledgement key -X53:1.2/Surge protection supply line signaling contact -X53:1.3/Emergency-off relay -F54:1/air conditioning unit
13	Switch	-K8/-
14	LTE router	-K6/-
15	Emergency-off relay air conditioning unit	-K5/-
16	Relay air conditioning unit	-K2/-
17	Relay acknowledgement key	-K3/-
18	FEMS	-K1/-
19	Fan	-EC2/-
20	Thermostat	-EC1/-
21	Fuse consumer load Control Cabinet	-F6/MCB-switch 24 V power supply unit -F7/MCB switch Fan -F8/MCB switch and RCD for light with socket outlet
22	Fuse for air conditioning unit	-F5/RCD -F4/MCB switch

4.2. Inverter

Up to two inverters (KACO gridsave 92.0 kVA) are installed in the system to transfer power between the battery and the grid or vice versa.

Inverter guidelines:
VDE AR-N 4105 2018-11; VDE AR-N 4110/4120:2018-11,
TOR generator type A:2019-12/TOR generator-A+R25/TOR generator-B

Further information on the inverters is contained in the manufacturer’s documentation and is valid for this product (see Applicable documents).

4.3. Low-voltage distribution

The low-voltage distribution is the power transfer point to the operating system.

Further information can be found in the AC grid connection section.

4.4. Control components

The control cabinet serves as the central control unit for the electrical energy storage system. The control cabinet contains the communication connection and the interface for connecting the operator.
The following components are located on a remote panel in front of the control components:

Service Port
Emergency stop for HV batteries
Acknowledgement key

The air conditioning control system is located in a remote control cabinet in the upper area.

Further information can be found in the sections Connection — Communication and Connection — Signal Interface.

4.5. Air conditioning unit

The air conditioning system is an air-cooled compressor cooling system and is specially designed for the system.
Further information on the integrated air conditioning system can be found in the manufacturer’s documentation.

Use the miniature circuit breaker (MCB) described in the Components — Control Cabinet section to disconnect the climate control unit from mains.

Further information on the integrated air conditioning unit can be found in the manufacturer’s documentation (see Applicable documents).

4.6. FEMS — FENECON Energy Management System

Information on FENECON Energy Management System can be found on the website https://docs.fenecon.de/.

5. Scope of delivery

The Battery energy storage container is delivered fully pre-wired. The container contains the batteries, the inverters, the air conditioning unit and the control components. The accessory box is also included. Furthermore, the two profiles for securing the load and for crane transportation are on the container when it is delivered.

Table 11. Scope of delivery
Item	Component	Amount	Comment
1	Cabled container including climate control unit, inverter, control cabinet and batteries	1
2	Container cover	1	Return to FENECON
3	Industrial S accessory box	1
3.1	Operating instructions	1
3.2	Meters for grid connection	1
3.3	Busbar terminal: SK 300 F10, 608 A, 30 Nm, 120-300 mm²	2
3.4	Busbar terminal: SK 185 F10, 448 A, 24 Nm, 35-185 mm²	2
3.5	Bracket clamp (16-22 mm), single metal pressure trough, FT → 120 mm² with counter trough	5
3.6	Bracket clamp (28 mm), single metal pressure tray, FT → > 120 & < 300 mm² with counter tray	5
3.7	Bracket clamp (24-28 mm), single metal pressure tray, FT → 300 mm² with counter tray	5
3.8	5-star bit — Safety bit	4	1 piece, enclosed with delivery bill
3.9	5-star replacement screws	5

The equipment of the container depends on the variant of the FENECON system ordered.

The self-consumption optimization application is included as standard. Further software licenses for operating the system are not included in the standard scope of delivery. Furthermore, the read and write access or Peak Shaving applications can be purchased as an option; these can be installed both retrospectively and directly during commissioning. The instructions for FEMS applications for the storage system can be found on the FENECON website in the download center: https://fenecon.de/

6. Assembly and assembly preparation

The Battery energy storage system is delivered ready for connection and still needs to be set up and connected at the installation site.

Before installation, carefully check whether the product is damaged and whether all accessories listed in the scope of delivery are included. If a part is missing or damaged, contact the manufacturer/dealer.

Residual risks:

Incorrect operation
Incorrect operation can lead to serious injury or death.

Before switching on the individual components, observe the specifications and instructions in the operating/assembly instructions of the respective manufacturer.

Incorrect operation can lead to material damage.
Before switching on the system, make sure that:

all protective devices are fitted,
there are no unauthorized persons in the danger zone.

6.1. Safety instructions

Risk of electric shock
Contact with live components can result in death or serious injury.

Do not touch live components.
- Work on live components may only be carried out by a qualified electrician.

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

Before starting work, de-energize the inverter, the BMS box and the battery modules and secure them against being switched on again.
Wait at least 5 minutes after switching off before starting work on the inverter.
Observe all the manufacturer’s instructions in the Safety section.
Do not touch any exposed, live parts or cables.
Do not pull the terminal strip with connected DC conductors out of the slot under consumer load.
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 a lack of overvoltage protection.

Ensure that all devices in the same network and the battery modules are integrated into the existing surge protection.
When laying network cables or other data cables outdoors, ensure that suitable surge protection is provided when the cables from the inverter or the battery rack (battery modules) pass from the outdoor area into a building.

Fire and explosion
Death or serious injury to the body and limbs due to fire or explosion; in the event of a fault, an ignitable gas mixture may be produced inside the battery module. Switching operations in this condition can cause a fire inside the product or cause 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 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, face and respiratory protection).

Fire and explosion with deeply discharged battery modules
Death or serious injury to the body and limbs due to electric shock when touching a live meter housing: An 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 FENECON Service.
Only charge deeply discharged battery modules as instructed by FENECON 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, face and respiratory protection).
Ensure that unauthorized persons do not have access to the Inverter.

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 meter housing: An overvoltage can damage a meter and cause voltage to be applied to the meter housing.

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.

Sand, dust and moisture
Ingress of sand, dust and moisture can damage the electrical energy storage unit and impair its function.

Only install the Battery energy storage unit 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 the electrical energy storage via electrostatic discharge.

Ground yourself before touching a component.

Cleaning agents
The use of cleaning agents can damage the electrical energy storage unit and its parts.

Only clean the Battery energy storage unit with a cloth moistened with clean water.

Installation site

The system must be installed outdoors.
Avoid dirt and dust during assembly.
Do not install the electrical energy storage system in an area that is at risk of flooding.
Do not install the electrical energy storage system where the ambient conditions are outside the operating requirements (see section Technical data).
Keep Battery energy storage away from heat sources and fire.

Installation
Wear protective eyewear, insulating gloves and protective footwear when assembling the slide-in battery modules.

Remove all conductive jewelry (e.g. watches, bracelets, rings).

6.2. Tools/machines required

The following tools and machines are required for assembly of the Battery energy storage system:

Table 12. Tools required
Description	Comment
Forklift truck	Minimum load capacity must be selected in accordance with table Technical data — Weights.
Crane	Alternative to forklift truck; minimum load capacity must be selected according to table Technical data — Weights.
Multimeter
Socket wrench set/ratchet box
Hexagon socket wrench set
Qualified electrician’s toolbox
5-star bit — Safety bit	1 piece enclosed with the delivery bill

6.3. Assembly sequence

The electrical energy storage system is delivered with the transport crossbars fitted and covered with a cover.
Before assembly, a suitable installation site must be prepared in accordance with section Select and prepare the installation site; if necessary, the Cable entry variant must also be taken into account here.

A forklift or crane can be used to unload the container from the truck; the information in the [Transport] section must be observed.
Once the energy storage system has been positioned at the place of intended use in accordance with all the instructions in this manual, proceed as follows:

Dismantle transport traverses/transport rails (see Disassembly — Transport rail).

Figure 10. Disassembly — Transport rail

Table 13. Disassembly — Transport rail
Item	Name	ERP number	Torque	Quantity
1	Hexagon head bolt, fully threaded M20 * 50	ZUS902	60 Nm	4
2	Disc with large outside diameter D22.0	ZUS903		4
3	Flat gasket d20DN15	ZUI1191		4
4	Transport fuse	ZUI993		2

Remove the cover (return to FENECON).
Reinstall the previously removed bolts of the transport crossbar, the bolt assembly and the torque can be found in the image Disassembly — Transport rail.
To connect the electrical energy storage unit, open the panel labeled "Control Cabinet" (see image Disassembly/Assembly of the Control Cabinet — Facing Tile).

The facing tile labeled "Control Cabinet" must only be opened for installation. All other system panels must only be opened when the system is unlocked and by personnel authorized by the manufacturer.

A safety bit is required to remove the cladding plate; this is included with the delivery bill and in the accessories box.

Inside the Battery energy storage is the accessory box with material necessary to connect the system.

Figure 11. Disassembly/Assembly of the Control Cabinet — Facing Tile

Table 14. Disassembly/Assembly of the Control Cabinet — Facing Tile
Pos	Name	ERP number	Tightening torque	Quantity
1	Control Cabinet panel			1
2	Safety bolt M6 x 16	ZUI739	6 Nm	8
3	Disc polyamide 6.6 natural D6.4	ZUI816		8

Connect the electrical energy storage system in accordance with section Electrical installation.
After completing the assembly work, the electrical energy storage unit must be properly closed again. The screw assembly and the required torque can be found in the image Disassembly/Assembly of the Control Cabinet — Facing Tile.

Dirt, rain or snow must be prevented from entering the open electrical energy storage unit during installation work.

6.4. Select and prepare the installation site

6.4.1. General information

The operator of the system is responsible for selecting and preparing a suitable installation site for the energy storage system. In addition, the permissible environmental conditions must be complied with and the area of use must be observed.
If contact with vehicles (e. g. near a parking lot or road) is conceivable/possible, the system must be protected.
The earthing system must be designed in accordance with the locally applicable requirements. (see section Connection — Additional equipotential bonding).

Installation site

The system must be installed and operated outdoors.
Avoid dirt and dust during assembly.
Do not install the electrical energy storage system in an area that is at risk of flooding.
Do not install the electrical energy storage system where the ambient conditions are outside the operating requirements (see section Technical data).
Keep the electrical energy storage away from heat sources and fire.

The installation site must be well-lit.

6.4.2. Space requirement at the installation site

Der Container ist so konzipiert, dass die Zugänglichkeit zum Batteriespeicher bei der Installation und für Wartungszwecke von allen Seiten möglich sein muss.
Für die Ventilation, sowie für Wartungs- und Servicearbeiten ist ein Mindestabstand (grün) (vgl. Abbildung Aufstellungskonzept — Platzbedarf) von 1,2 m um das gesamte System herum dauerhaft vorzuhalten.
Die einzuhaltenden Abstände sind in der Abbildung dargestellt, der Pfeil stellt die Luftstromrichtung der Wechselrichter und des Klimaaggregates dar.

Figure 12. Installation concept — Space requirements

The maneuvering path required for a forklift or crane to set up the electrical energy storage system is not taken into account in the installation concept. This must be planned independently by the operator.
In addition, an additional maneuvering path (blue) of at least 4 m must be provided for a forklift truck on the opposite side of the Control Cabinet in the event of a battery replacement.

6.4.3. Substrate/foundation

The electrical energy storage system must be positioned on a sufficiently stable surface at the installation site to ensure that it stands securely. This can be, for example, a point foundation consisting of 4 points, a strip foundation or a slab foundation. Information on the dimensions of the foundation can be determined using the load transfer points of the electrical energy storage system (see image). The cable entries must be taken into account when preparing the foundation (see section Cable entry).

If necessary, the foundation must be designed to prevent slippage and movement.

There should also be an air gap between the base and housing to prevent corrosion.

Figure 13. Load transfer points (unit: kN)

6.5. Cable entry

The cables can be inserted either from below or from the side. (see image cable entry from the front, image cable entry from below) By default, the cable entry is mounted at the front. Conversion may be necessary. A cover plate is already fitted to seal the unused entry.
Further information on the assembly of Roxtec cable glands can be found in the manufacturer’s data sheets (see Applicable documents).

Figure 14. Cable entry — Roxtec

Table 15. Permissible cable diameter — Cable entry
Amount of cable	Cable diameter in mm	Function
5	9.5-32.5	AC connection 3 P, N, PE
6	3.6-16.5	6 x communication

The positions of the cable entry from below and from the front are shown below. For cable entry from the front, the operator is responsible for installing the cables in such a way that there is no risk of tripping for passers-by.

The necessary normative bending radius must be observed when inserting the cable.

Figure 15. Cable entry from the front

Figure 16. Cable entry from below

6.6. Electrical installation

6.6.1. System integration

The image Standard structure of the system shows the structure of a standard customer network with an Industrial S.
The integration of an AC generator is also shown as an example; this is highlighted in blue. The associated inverter and the additional meter are not included in the scope of delivery of the Industrial S. This system structure can be an example for the application of self-consumption optimization.

Figure 17. Standard structure of the system — single-line diagram

No.	Designation	Comment
1	Grid connection meter
2	Current transformer at NAP
3	Voltage tap at the NAP
4	Current meter at the NAP
5	RS485 bus
6	Current meter at the generator	Example additional AC generator
7	Current transformer at the generator	Example additional AC generator
8	Voltage tap at the generator	Example additional AC generator
9	PV Inverter	Example additional AC generator
10	RCD type A
11	Fuse and mains circuit breaker
12	Grid connection Battery energy storage
13	Industrial S
14	Consumption

6.6.2. AC grid connection

The system has a low-voltage distribution system that supplies both the inverters and the auxiliary consumers. The electrical connection data can be found in the table AC grid connection.
The grid connection to the low-voltage distribution is made using terminal points (see image AC connection). The cable cross-sections must be selected in accordance with the local installation regulations. The terminal range that can be connected to the electrical energy storage can be found in the table Cable cross-section — AC connection. Table Connection areas — Strain relief — AC connection lists the strain reliefs to be installed; these are included in the accessories box. The corresponding counter tray must also be used during assembly.
The operator is responsible for installing a mains disconnection device for the electrical energy storage system in the supply line, which can be secured against being switched back on.
In addition, an RCD type A with a rated residual current of 3 A must be installed in the supply line of the electrical energy storage system.

Electric shock due to missing mains isolating device
Death or serious injury to the body and limbs due to electric shock when touching live components.

A mains disconnection device that can be secured against being switched on again must be installed in the supply line.
For installation, service and maintenance work, disconnect the electrical energy storage system from the mains and secure it against being switched on again.

Electric shock due to missing residual current device (RCD)
Death or serious injury to the body and limbs due to residual currents.

An RCD type A with a rated residual current of 3 A must be installed in the supply line of the energy storage unit.

Table 16. AC grid connection
	ISK010	ISK011	ISK110
Fuse	Gg 200 A		Gg 350 A
Max. Continuous phase current in A	152		285
Rated AC voltage in V 3.1+^{^.}	400/230, 3P + N + PE	Rated frequency in Hz 3.1+^{^.}	50
Grid shape	TN, TT

Figure 18. AC connection

Table 17. Cable cross-section — AC connection
Conductor	Terminal	Cross-section¹	Torque	Outer diameter of conductor²
L1, L2, L3	Wöhner 01754	95 … 300 mm²	24 … 36 Nm	16 … 32 mm
N, PE	Pollmann 201 07 38	16 … 120 mm²	24 Nm	16 … 32 mm
N, PE	Pollmann 201 07 64	120 … 300 mm²	30 Nm	16 … 32 mm

¹Applies only to multi-wire, directly clamped round copper conductors. Different materials and designs permitted in accordance with the terminal manufacturer’s specifications.

²Depending on the outer diameter, the appropriate strain relief clamp must be used in accordance with the Connection area table.

Table 18. Connection areas — Strain relief — AC connection
Outer diameter of cable	Max. Tightening torque
16 … 22 mm	3.0 Nm
22 … 28 mm	3.0 Nm
28 … 32 mm	5.0 Nm

6.6.3. Connection — Additional equipotential bonding

If the local installation regulations require an additional potential equalization in addition to the PE connection, this can be established via the housing. For this purpose, the Storage unit has connections with M10 threads at the bottom of all four external corners. The earthing system must be designed in accordance with the locally applicable requirements.

The earthing lugs can be connected directly to the marked points of the earthing connections on the container using screw connectors (see image rear earthing connection and image front earthing connection).

The Storage unit must be integrated into the on-site lightning protection concept.

Figure 19. Rear earthing connection

Figure 20. Front earthing connection

6.6.4. Connection — Communication

For commissioning, service and online monitoring, the operator must provide the Battery energy storage system with a permanent Internet connection to ensure proper operation.

Different versions are shown below depending on the revision status (see [Version/revision of the electrical energy storage system]).

Connection — Communication (AA1, AA2)
The image shows the junction box for communication and signals. The electrical energy storage has two Ethernet interfaces and one RS485 interface (see Table). This is followed by connection example for the RS485 interface.
During assembly, the cables must be attached to the plastic holder below using cable ties for strain relief.

Figure 21. Connection — Communication and signals — AA1, AA2

Table 19. Communication interfaces — AA1, AA2
BMK	Interface	Specification	Connection	Outer diameter and specification of the cable
F21	Modbus RTU (grid meters, additional generation meters, etc.)	Type: RS485 Baud rate: 9.6 kBaud Connection terminations of the system: 120 Ohm	Terminal 0.5 … 1.5 mm²	4 … 16 mm Use cable with shield and twisted wire pairs
F22	Modbus-TCP API	Ethernet	RJ45 socket	4 … 16 mm Use cable with at least Cat 6A
F23	Internet¹	Ethernet	RJ45 socket	4 … 16 mm Use cable with at least Cat 6A

¹Not necessary when using the LTE router built into the Storage unit.

Figure 22. Connection example — RS485 interface — AA1, AA2

Connection — Communication (AA3, AA4)
The image shows the junction box for communication and signals. The electrical energy storage has two Ethernet interfaces and one RS485 interface (see Table). This is followed by connection example for the RS485 interface.
During assembly, the cables must be attached to the underlying plastic holder for strain relief using cable ties.

Figure 23. Junction box — Communication and signals — AA3, AA4

Table 20. Communication interfaces — AA3, AA4
BMK	Interface	Specification	Connection	Outer diameter and specification of the cable
-F18	Modbus-TCP API	Ethernet	RJ45 socket	4 … 16 mm Use cable with at least Cat 6A
-F19	Internet¹	Ethernet	RJ45 socket	4 … 16 mm Use cable with at least Cat 6A
-X13.9	Modbus RTU A	Type: RS485 Baud rate: 9.6 kBaud Termination in electrical energy storage: 120 Ohm	Terminal 0.25 … 4 mm²	4 … 16 mm Use cable with shield and twisted core pairs
-X13.10	Modbus RTU B		Terminal 0.25 … 4 mm²	4 … 16 mm Use cable with shield and twisted core pairs

¹Not necessary when using the LTE router built into the Storage unit.

Figure 24. Connection example — RS485 interface — AA3, AA4

6.6.5. Connection — Signal interface

In addition to the communication interfaces, the electrical energy storage system also has the option of integrating one or more external emergency-off switches for the batteries and acknowledgement keys. It is also possible to control the coupling switches integrated in the inverter, e. g. for grid and plant protection in the customer’s system.

Different versions are shown below depending on the revision status (see section [Version/revision of the electrical energy storage system]).

Connection — Signal interface (AA1, AA2)
The junction box is shown in the image.
Signal cables with the following specifications can be connected:

Outer diameter: 4 … 16 mm
Cross-section: 0.5 … 4 mm²
Cables with shielding are mandatory.

The connection of an external emergency stop command device is shown as an example in the following image:

Figure 25. Connection example — External emergency stop and acknowledgement key — AA1, AA2

The inverters used have an internal coupling switch that can be used e. g. for external grid and plant protection. A connection example can be found in the corresponding drawing.

Figure 26. Connection example — Section switch — AA1, AA2

Connection — Signal interface (AA3, AA4)
The junction box is shown graphically in the image.
Signal cables with the following specifications can be connected:

Outer diameter: 4 … 16 mm
Cross-section: 0.25 … 4 mm²
Cables with shielding are mandatory.

The connection of an external emergency stop command device is shown as an example in image.

Figure 27. Connection example — External emergency stop and acknowledgement key — AA3, AA4

The inverters used have an internal section switch that can be used e. g. for external grid and plant protection. A connection example can be found in the corresponding drawing.

Figure 28. Connection example — Section switch — AA3, AA4

6.6.6. Connection — Grid meter

There are separate installation and configuration instructions for the 3-phase sensor, which contain the technical data and connection overview. These instructions can be downloaded from the FENECON website at:
https://docs.fenecon.de/de/fems/fems-app/installationsanleitungen/KDK_2PU_CT_Installationsanleitung.html
can be downloaded. The connection to the RS485 interface is described in the section Connection — Communication.
The meter included in the scope of delivery is for the grid connection point. It is a KDK 2PU CT measuring transformer meter. The transformers are not included in the scope of delivery.

Please note
The secondary current of the transformer must be 1 A or 5 A.

The meter supplied is intended for the grid connection point. However, in order to display production correctly in Online Monitoring, all generators must also be measured. This is the only way to ensure that the actual consumption can be calculated correctly. Certain PV inverters can communicate directly with the FEMS hardware and therefore do not require a separate meter for generation measurement; these inverters can be found on the FENECON website at link:https://fenecon.de/fenecon-fems/fems-app-pv-wechselrichter/.

7. Initial commissioning

7.1. Commissioning through service support

Residual risks:

Incorrect operation
Incorrect operation can lead to serious injury or death.

Before switching on the individual components, observe the specifications and instructions in the operating/assembly instructions of the respective manufacturer.

Incorrect operation can lead to material damage.
Before switching on the energy storage system, make sure that:

all protective devices are in place.
there are no persons in the danger zone.

Commissioning is carried out with the support of our service team. Please arrange an appointment for remote commissioning in advance with your contact person at FENECON.

For support, please contact:

FENECON GmbH
Gewerbepark 6
94547 Iggensbach
GERMANY
+49 (0) 9903 6280 0
service@fenecon.de

During commissioning by the service support, a commissioning report must be completed and signed jointly by the electrician and the end customer. It must then be sent to FENECON by e-mail, fax or post within 30 days of installation.

This IBN protocol is a prerequisite for the validity of the warranty. No warranty claims can be made without this protocol.

7.2. Requirements for commissioning

7.2.1. Checking the installation, connections and cabling

Check the system as follows before initial commissioning:

All components (distances, environment, mounting) are installed correctly.
All internal wiring is complete and properly connected.
All external supply lines (power supply, communication cable) are properly connected.
All connected loads are matched to the system and the necessary settings have been made.
All necessary tests of the energy storage system were carried out in accordance with standards.

7.2.2. Internet connection

First, establish a permanent internet connection to ensure access to FEMS Online Monitoring. This is basically ensured by two different options. By connecting with a LAN cable or with an LTE router (see section Connection — Communication).

8. FEMS — FENECON Energy Management System

8.1. Technical documentation — FEMS

The technical documentation of the FEMS must be observed; this can also be found on the FENECON website at: www.docs.fenecon.de.

Internet connection
A permanent internet connection for the FEMS is recommended and is necessary for commissioning. In principle, offline operation is also possible. In this case, however, the following functions cannot be used:
Remote commissioning, system updates, installation of new FEMS Apps, transmission of measurement data to FENECON servers for remote access, use of Online Monitoring via the FENECON portal access (e. g. for on the go via smartphone), maintenance access for FENECON Service employees, use of FEMS Apps with third-party services via the internet (e. g. Time-of-use tariffs).
Network configuration
In the standard configuration, FEMS obtains the IP address via a DHCP server (e. g. FritzBox). The network configuration can also be adjusted in Online Monitoring under Settings & Network configuration. You can find more information here: https://docs.fenecon.de/de/_/latest/fems/ui/settings.html#_netzwerkkonfiguration.
System update The system is regularly updated as part of software updates. These updates can be installed via the Settings & FEMS System update tab.

8.2. FEMS Online Monitoring

The FEMS online monitoring is used to visualize all energy flows in the system. The energy monitor shows live data on grid consumption or grid feed-in, PV production, charging/discharging of the battery storage system and electricity consumption. Other widgets show the percentage of self-sufficiency and self-consumption. In addition, the individual widgets offer a detailed view, which can also be used to view the performance values with phase accuracy.

In addition to the live view, the history offers the option of selecting self-selected time periods for online monitoring. The status of the entire system and the individual components can be monitored at any time using the info symbol.

The technical documentation of the FEMS must be observed; this can also be found on the FENECON website at: www.docs.fenecon.de/.

8.2.1. Access data

Access to FEMS Online Monitoring is separated according to end customer and installer.

8.2.2. Overview

Figure 29. FEMS online monitoring

9. Troubleshooting

Residual risks:

If a fault is present and is not displayed in the fault message list, customer service must be informed.

Unknown fault messages
Unknown faults and attempts to rectify them can lead to damage to the product.
If a fault is present and is not displayed in the fault message list, inform customer service.

9.1. FEMS Online Monitoring

The system status can be checked after logging in at the top right using the color of the icon.

9.1.1. Fault display

Systemzustand: Alles in Ordnung

Systemzustand: Warnung (Warning)

Systemzustand: Fehler (Fault)

9.1.2. Troubleshooting

For a detailed overview of an existing warning or error, click on the exclamation mark in the top right-hand corner.

You can use the scroll bar 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 grid meter was intentionally entered for test purposes, which is why the controller fails to run.
The FENECON service must be contacted to rectify errors.

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

These instructions only contain work that can be carried out without specialist knowledge of the manufacturer.

Work that is not described may only be carried out by authorized service personnel. Contact customer service to change parameters and programs

If the energy storage system malfunctions, contact the FENECON Service:

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

9.1.3. Details for the FENECON Service

The following information must be provided for the FENECON Service:

Device type/configuration.
FEMS number.
Serial number.
Currently installed software version.
Ticket number from previous faults (if available).
Error code of the inverter (if available).

The information can be found on the type label and in the system profile in Online Monitoring.

9.1.4. Service times of the FENECON service

Monday to Thursday:

08:00 a.m. to 12:00 p.m. | 1:00 p.m. to 5:00 p.m.

Friday:

08:00 a.m. to 12:00 p.m. | 1:00 p.m. to 3:00 p.m.

10. Technical maintenance

10.1. Tests and inspections

Residual risks:

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.

Inspection work must only be carried out by trained and qualified specialists.

Check the product and the cables regularly for visible external damage. If components are defective, contact the FENECON Service. Repairs must only be carried out by a qualified electrician.

The respective maintenance instructions must be observed for all individual components.

Maintenance of the individual components may only be carried out by authorized qualified electricians and in accordance with the respective manufacturer’s documentation.

10.2. Maintenance work

Residual risks:

During maintenance work, troubleshooting and assembly activities, ensure that the product is switched off in a safe manner and secured against being switched on again. Improperly performed maintenance and servicing activities can have serious consequences for people, the environment and the product itself.

Before carrying out maintenance work on systems which could be under pressure or in which very hot/hazardous substances could still be present:

Switch off the system.
Secure the system against being switched on again.
Wear personal protective equipment against scalding/burns.
To relieve the system.
Allow the system to cool down.
Check whether hazardous substances are still in the system.

The product must only be serviced by persons who have received detailed instruction on the subject.

The frequency of use and environmental conditions may make it necessary to vary the intervals between the activities described below.

Instruct the persons responsible for maintaining the product.
Change the maintenance intervals in this documentation after consulting the manufacturer.

Maintenance work must only be carried out by trained and qualified specialists.

10.3. Repairs

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

11. Storage

Storage longer than 6 months
Possible consequences: Deep discharge of the cells à Defect of the slide-in battery module.

External charging of the battery modules to nominal voltage — forced charging must be carried out, which is controlled via FEMS. This must only be carried out by the manufacturer or by a company commissioned by the manufacturer.

Do not store the energy storage system with flammable or toxic objects.
Store energy storage systems with safety defects separately from undamaged ones.
The SOC of the individual full packs of the energy storage system is ≥ 25 % SOC on delivery.
After 90 days, check the SOC; it should be in the range of 15-35 % SOC. If this is not the case, charge or discharge the batteries.
Recharging the full packs is recommended from 20 % SOC

Storage area: Fireproof indoors/outdoors with suitable weather protection
Air temperature: -20 °C to 40 °C.
Relative humidity: max. 50 % at +40 °C.

12. Utilization load

The service life of the product depends on the service life and maintenance intervals carried out by specialist personnel. The service life is particularly influenced by preventive maintenance and servicing. Timely replacement of wearing parts and appropriate documentation of each activity is therefore crucial for the availability of the product.

All functional safety elements must be replaced in good time before the calculated or specified service life in accordance with the number of operating cycles or operating time specified by the manufacturer. However, all Functional Safety components should be completely overhauled after 20 years at the latest, in accordance with the applicable standard(s).

13. 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!
The product must only be transported using the means of transport specified by the manufacturer (see [Transport procedure]).

Residual risks:

Risk due to lifted loads!

Standing under suspended loads is prohibited!

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

Ensure that:

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

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

13.1. Safety instructions

Transportation is carried out by a hazardous goods carrier.
The transportation of lithium-ion batteries "UN3536" is subject to the ADR regulations.
Hazardous goods labeling must be affixed to all sides of the container during shipping.
The current laws, regulations and standards must be observed when transporting the batteries (e.g. Hazardous Goods Transportation Act - GGBefG).
Upon receipt of the delivery, check it immediately for completeness and transport damage.
Use personal protective equipment (depending on the boundary conditions) (minimum requirement: hard hat and protective footwear)
The electrical connections must be disconnected before transportation.
Before lifting, check that the attachment points and lifting gear are correctly seated.
The container should only be transported with a SoC of 30 %.
For correct transportation, an angle of 30°-45° of the lifting gear to the vertical must be maintained (see image forklift and crane pick-up points).
The load capacity must be dimensioned so that the mass of the product can be safely accommodated (see Dimensions and Weights).
The size of the transport surface must be dimensioned so that the product can be safely placed and secured on the transport surface.

13.2. Change of location

A relocation of the container after commissioning is not planned.
If a change of location is planned, FENECON GmbH must be consulted beforehand.
In the event of a change of location, the container can be transported using a suitable industrial truck or hoist.

13.3. Transportation process

Required aids
The following equipment is required for safe off-site transportation:

Loading and unloading: With the aid of a forklift truck or crane.
Transportation: Only by motor vehicle for road transport.

Lifting the container

Pick up and load the container either with a hoist (e. g. crane) or a forklift at the lifting points provided (see image Forklift and crane lifting points).

During this process, observe the weight specifications in the transport documents (see [weights]). Observe the following lifting instructions under all circumstances to protect the container from damage.

Lifting instructions

A fork length of at least 1200 mm is required for transportation with a forklift truck.
For correct transportation, maintain an angle of 30°-45° (see image Forklift and crane pick-up points).
Information on weight, center of gravity and dimensions can be found in the sections Dimensions and Weights.

Figure 30. Forklift and crane pick-up points

Place the Industrial S on the means of transport and secure it. The transport crossbars/transport securing devices on the roof can be used to secure the load.

14. Dismantling and disposal

Residual risks:

Incorrect operation
Incorrect operation can lead to serious injury or death.
Before switching off the individual components, observe the specifications and instructions in the operating or assembly instructions of the respective manufacturer.

Incorrect operation can lead to material damage.
Before switching off the system, ensure that

there are no unauthorized persons in the danger zone.

14.1. Safety instructions

Wear the following suitable PPE for all work:
- Protective footwear
- Protective gloves, cut-resistant if necessary
- Protective eyewear
The storage system may only be dismantled by authorized electricians
Dismantling work must 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 must only be carried out when the system is shut down and only by service personnel.
Use transport aids. Use existing attachment points for transporting the system parts.
The dismantling instructions of the component manufacturer (see 16.1 Applicable documents) must be observed.
The batteries are removed by service personnel and transported by a hazardous goods carrier.
When transporting the battery modules, the current laws, regulations and standards must be observed (e.g. Hazardous Goods Transportation Act - GGBefG).

14.1.1. Prerequisites

The power supply to the Battery energy storage unit is interrupted and secured against being switched on again.
The operator’s information technology equipment has been dismantled and removed.

Injuries to the body or limbs due to sharp edges and points on parts of the system

Always wear suitable protective equipment (cut-resistant protective gloves, safety shoes, safety goggles) when working on the machine!

14.2. Disposal

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.

After proper disassembly, recycle the dismantled individual parts:

The electrical energy storage system must not be disposed of with normal household waste.
Scrap metallic materials.
Recycle plastic elements.
Dispose of the remaining components sorted according to material properties.

Electrical waste, electronic components, lubricants and other auxiliary materials are subject to hazardous waste treatment and may only be disposed of by authorized specialist companies.
The following points must also be observed when disposing of the machine or its components as well as the operating and auxiliary materials:

Comply with national regulations on site
Observe company-specific specifications
Dispose of operating and auxiliary materials in accordance with the applicable safety data sheets
The packaging material must be disposed of in an environmentally friendly manner
Do not expose the battery modules to high temperatures or direct sunlight
Do not expose the battery modules to high humidity or corrosive atmospheres
For special instructions on the disposal of used batteries, please contact the FENECON Service.