Sonnen sonnenBatterie eco 9.43 User manual

Installation instructions | for authorised electricians
sonnenBatterie eco 9.43
KD-446 • Part no. 22213 • Version X03 [email protected] • sonnen.de

Publisher
sonnen GmbH
Am Riedbach 1
D-87499 Wildpoldsried
Service number [phone]
Email [email protected]
Document
Document number 446
Part number 22213
Version X03
Valid for AU
Publication date 04/06/2018
IMPORTANT
 Read this documentation carefully before installation / operation.
 Retain this document for reference purposes.
EN
Installation instructions sonnenBatterie eco 9.43

Table of contents
KD-446 | 22213 | EN | X03 iii
Table of contents
1 Information about this document........................................................................................................ 5
1.1 Target group of this document ................................................................................................... 5
1.2 Designations in this document .................................................................................................... 5
1.3 Explanation of symbols................................................................................................................... 5
2 Safety.............................................................................................................................................................. 6
2.1 Intended Use......................................................................................................................................6
2.2 Requirements for the electrician................................................................................................6
2.3 Operating the storage system..................................................................................................... 6
2.4 Product modifications or changes to the product environment.................................... 7
2.5 Voltage inside the storage system ............................................................................................. 7
2.6 Handling the battery modules ..................................................................................................... 7
2.7 Conduct in case of a fire................................................................................................................8
3 Product description................................................................................................................................... 9
3.1 Technical data....................................................................................................................................9
3.2 System components...................................................................................................................... 10
3.3 Type plate............................................................................................................................................11
3.4 Symbols on the outside of the storage system ....................................................................12
4 Transport and storage .............................................................................................................................13
4.1 Storage................................................................................................................................................13
4.1.1 Ambient conditions during storage ............................................................................13
4.1.2 Storing the battery modules .........................................................................................13
4.2 Transport ............................................................................................................................................13
4.2.1 Ambient conditions during transport.........................................................................13
4.2.2 Transporting battery modules ......................................................................................13
4.2.3 Inspecting for transport damage.................................................................................14
4.2.4 Transport to the installation location .........................................................................16
4.2.5 Temperature adjustment after transport .................................................................16
5 Mounting ......................................................................................................................................................17
5.1 Scope of delivery.............................................................................................................................17
5.2 Selecting the installation location............................................................................................. 18
5.2.1 Requirements for the installation location...............................................................18
5.2.2 Observing minimum distances .....................................................................................18
5.3 Opening the storage system...................................................................................................... 18
5.3.1 Opening the main cabinet..............................................................................................18
5.3.2 Removing the cover of the extension cabinet (optional)...................................19
5.4 Mounting the storage system .....................................................................................................19
5.4.1 Requirements for mounting material........................................................................20
5.4.2 Placing the levelling mat or the pedestal.................................................................20
5.4.3 Drilling the holes...............................................................................................................20
5.4.4 Mounting the storage system......................................................................................22
6 Electrical installation.............................................................................................................................. 24
6.1 Working on the electrical distributor ..................................................................................... 24

Table of contents
iv Installation instructions sonnenBatterie eco 9.43
6.1.1 Placing components in the electrical distributor........................................... 24
6.1.2 Wiring components in the electrical distributor .............................................25
6.2 Connecting the power meter ..............................................................................................27
6.3 Configuring the power meter.............................................................................................30
6.4 Connecting the mains line.................................................................................................... 32
6.5 Connecting the ethernet line.............................................................................................. 33
6.6 Connecting the modbus line ...............................................................................................34
6.7 Using digital inputs/outputs................................................................................................. 35
6.7.1 Connecting the signal line.......................................................................................35
6.7.2 Using digital output pv reduction .........................................................................36
6.7.3 Using digital output self-consumption switch .................................................39
6.7.4 Using digital output min/max SOC .....................................................................40
6.7.5 Using digital input CHP ...........................................................................................40
6.8 Installing the battery modules.............................................................................................43
6.8.1 Positioning and earthing the battery modules................................................44
6.8.2 Connecting the BMS communication lines ..................................................... 46
6.8.3 Connecting the battery lines..................................................................................47
6.9 Installing covers........................................................................................................................49
6.9.1 Connecting earthing conductor.......................................................................... 49
6.9.2 Installing the cover of the extension cabinet.................................................. 50
7 Commissioning.................................................................................................................................... 51
7.1 Initial commissioning ............................................................................................................... 51
7.1.1 Filling in the type plate ..............................................................................................51
7.1.2 Filling in the commissioning report.......................................................................51
7.2 Switching on the storage system........................................................................................ 51
7.2.1 Closing the storage system .....................................................................................51
7.2.2 Switching on the storage system...........................................................................51
7.2.3 Switching on the grid voltage ................................................................................52
7.3 Commissioning assistant....................................................................................................... 52
7.3.1 Establishing connection to the storage system ..............................................52
7.3.2 Running the commissioning assistant.................................................................53
8 Decommissioning.............................................................................................................................. 54
8.1 Switching the storage system off......................................................................................54
8.2 Switching the storage system off to electrically isolate it........................................54
9 Troubleshooting................................................................................................................................. 55
10 Uninstallation and disposal ............................................................................................................ 56
10.1 Uninstallation............................................................................................................................. 56
10.2 Disposal ....................................................................................................................................... 56
11 Commissioning report......................................................................................................................57

Information about this document | 1
KD-446 | 22213 | EN | X03 5 / 60
1 Information about this document
This document describes the installation of the sonnenBatterie eco 9.43.
Read this document in its entirety.
Keep this document in the vicinity of the sonnenBatterie.
1.1 Target group of this document
This document is intended for authorised electricians. The actions described here
must only be performed by authorised electricians.
1.2 Designations in this document
The following designations are used in this document:
Complete designation Designation in this document
sonnenBatterie eco 9.43 Storage system
1.3 Explanation of symbols
DANGER Extremely dangerous situation leading to certain death or serious injury if
the safety information is not observed.
WARNING Dangerous situation leading to potential death or serious injury if the safety
information is not observed.
CAUTION Dangerous situation leading to potential injury if the safety information is
not observed.
NOTICE Indicates actions that may cause material damage.
Important information not associated with any risks to people or property.
Symbol Meaning
►
Work step
1. 2. 3. … Work steps in a defined order
üCondition
• List
Table1: Additional symbols

2 | Safety
6 / 60 Installation instructions sonnenBatterie eco 9.43
2 Safety
2.1 Intended Use
The sonnenBatterie eco 9.43 is a battery storage system which can be used to
store electrical energy. Improper use of this system poses a risk of death or injury
to the user or third parties as well as damage to the product and other items of
value. The following points must therefore be observed in order to comply with
the intended use of the prouct:
• The storage system must not be installed in any kind of combination.
• The storage system must be fully installed in accordance with the installation
instructions.
• The storage system must be installed by an authorised electrician.
• The storage system must only be used at a suitable installation location.
• The transport and storage conditions must be observed.
Especially the following uses are not permissible:
• Operation in flammable environments or areas at risk of explosion.
• Operation in locations at risk of flooding.
• Operation outdoors.
• Operation of the battery modules outside of its storage system.
Failure to comply with the conditions of the warranty and the information
specified in this document invalidates any warranty claims.
2.2 Requirements for the electrician
Improper installation can result in personal injury and/or damage to components.
For this reason, the storage system must only be installed and commissioned by
authorised electricians. Authorised electricians must meet the following criteria:
• The electrician must be a person with a technical knowledge or sufficient ex-
perience to enable him/her to avoid dangers which electricity may create.
• The company for which the electrician works must be certified by sonnen
GmbH.
• The electrician must have successfully complete sonnen GmbH certification
training for the product.
2.3 Operating the storage system
Incorrect operation can lead to injury to yourself or others and cause damage to
property:
• The storage system must only be operated as described in the product docu-
mentation.
• This device can be used by children from the age of eight (8) years old and in-
dividuals impaired physical, sensory or mental capabilities or individuals with
limited knowledge and/or experience of working with the device, as long as
they are supervised or have been trained to safely use the device and under-

Safety | 2
KD-446 | 22213 | EN | X03 7 / 60
stand the resulting risks of doing so. Children must not play with the device.
Cleaning and user maintenance must not be carried out by children without su-
pervision.
2.4 Product modifications or changes to the product
environment
• Only use the storage system in its original state - without any unauthorised
modifications - and when it is in proper working order.
• Safety devices must never be overridden, blocker or tampered with.
• The interfaces of the storage system must be wired in accordance with the
product documentation.
• An appropriate and readily accessible disconnect device shall be incorporated
in the fixed wiring.
• All repairs on the storage system must be performed by authorised service
technicians only.
• The replacement of battery modules must be performed by authorised service
technicians only. When replacing batteries, replace with the same type and
number of batteries or battery modules.
2.5 Voltage inside the storage system
5 min
The storage system contains live electrical parts, which poses a risk of electrical
shock. The storage system inverter also contains capacitors which carry voltage
even after the storage system is switched off. Therefore:
Switch off the storage system to electrically isolate it (see Switching the stor-
age system off to electrically isolate it [P.54]).
Only then can the storage system be opened.
2.6 Handling the battery modules
The battery modules installed in the storage system are protected by multiple
protective devices and can be operated safely. Despite their careful design, the
battery cells inside the battery modules may corrode or experience thermal run-
away in the event of mechanical damage, heat or a fault.
This can have the following effects:
• High heat generation on the surface of the battery cells.
• Electrolyte may escape.
• The escaping electrolyte may ignite and cause an explosive flame.
• The smoke from burning battery modules can irritate the skin, eyes and throat.
Therefore, proceed as follows:
Do not open the battery modules.
Do not mechanically damage the battery modules (pierce, deform, strip
down, etc.)
Do not modify the battery modules.

2 | Safety
8 / 60 Installation instructions sonnenBatterie eco 9.43
Do not allow the battery modules to come into contact with water (except
when extinguishing a fire in the storage system).
Do not heat the battery modules. Operate them only within the permissible
temperature range.
Keep the battery modules well away from sources of ignition.
Do not short-circuit the battery modules. Do not allow them to come into
contact with metal.
Do not continue to use the battery modules after a short circuit.
Do not deep-discharge the battery modules.
In the event that module contents are released:
Do not enter the room under any circumstance.
Avoid contact with the escaping electrolyte.
Contact the fire services.
2.7 Conduct in case of a fire
Fire may occur with electrical equipment despite its careful design. Likewise, a
fire in the vicinity of the equipment can cause the storage system to catch fire,
releasing the contents of the battery modules.
In the event of a fire in the vicinity of the product or in the storage system itself,
proceed as follows:
Only firefighters with appropriate protective equipment (safety gloves, safety
clothing, face guard, breathing protection) are permitted to enter the room
where the burning storage system is located.
There is a danger of electrocution when extinguishing fire while the storage sys-
tem is switched on. Therefore, before starting to extinguish the fire:
Switch off the storage system to electrically isolate it (see Switching the stor-
age system off to electrically isolate it [P.54]).
Switch off the mains fuses in the building.
If the storage system and/or mains fuses cannot be safely switched off:
Observe the minimum distances specified for the extinguishing agent used.
The storage system works with an output voltage of 230 V (AC) and is there-
fore considered a low-voltage system.
• A storage system fire can be extinguished using conventional extinguishing
agents.
• Water is recommended as an extinguishing agent in order to cool the battery
modules and therefore prevent thermal runaway in battery modules which are
still intact.
Information on the battery modules:
• The battery modules have a nominal voltage of 48 V (DC) and therefore fall
into the range of protected extra-low voltage (under 60 V DC).
• The battery modules do not contain metallic lithium.

Product description | 3
KD-446 | 22213 | EN | X03 9 / 60
3 Product description
3.1 Technical data
sonnenBatterie eco 9.43/2,5 9.43/5 9.43/7,5 9.43/10 9.43/12,5 9.43/15
System data (AC)
Nominal voltage 230 V
Nominal frequency 50 Hz
Nominal power 1,100 W 2,500 W 3,300 W 3,300 W 3,300 W 3,300 W
Nominal current 4.8 A 10.9 A 14.3 A 14.3 A 14.3 A 14.3 A
Power factor range 0.9 cap. ... 0.9 ind.
Current (Max. continous) 14.3 A
Max. output fault current 120 mA
Inrush current 0 A
Mains connection single-phase, L / N / PE
Max. ext. overcurrent protection 16 A, 1ph
Mains topology TN / TT
Mains connections fuse Miniature circuit breaker | Type B | 16 A
Battery data (DC)
Cell technology lithium iron phosphate (LiFePO4)
Max. capacity 2.5 kWh 5.0 kWh 7.5 kWh 10.0 kWh 12.5 kWh 15.0 kWh
Usable capacity 2.25 kWh 4.5 kWh 6.75 kWh 9.0 kWh 11.25 kWh 13.5 kWh
Nominal voltage 48 V
Current (Max. continous) 75 A
Short-circuit current(ISC) 90 A
Min. number of battery modules 1
Max. number of battery modules 6
Dimensions / weight without extension cabinet (from 2.5 up to 5 kWh)
Dimensions (H/W/D) in cm 88/67/23 - - - -
Weight in kg 58 81 - - - -
Dimensions / weight with small extension cabinet (from 2.5 up to 10 kWh)
Dimensions (H/W/D) in cm 137/67/23 - -
Weight in kg 74 97 120 143 - -
Dimensions / weight with big extension cabinet (from 2.5 up to 15 kWh)
Dimensions (H/W/D) in cm 186/67/23
Weight in kg 85 108 131 154 154 200
Safety
Protection class I / PE conductor
Required fault current monitoring In TT networks: Residual current device (RCD) with a rated differential current of
300 mA; requirements on site must be observed.

3 | Product description
10 / 60 Installation instructions sonnenBatterie eco 9.43
Degree of Protection IP30
Rated short-withstand cur-
rent(ICW)
10 kA
Separation principle PV -> AC -
Separation principle Batt. -> AC galvanic isolation (functional insulation)
Power meter
Voltage measurement inputs Nominal voltage (AC): 230 V (L-N), 400 V (L-L) | max. connectible conductor
cross-section: 1.5 mm²
Clamp-on current transformer Max. measurable current: 60 A (standard), optional up to 400 A
Ambient conditions
Environment indoor (conditional)
Ambient temperature range1-5 °C ... 45 °C
Storage temperature range 0 °C ... 40 °C
Transport temperature range -15 °C ... 50 °C
Max. rel. humidity 90 %, non-condensing
Permissible installation altitude 2,000 m above sea level
Pollution degree 2
Additional ambient conditions:
• The installation location must not be at risk of flooding.
• Installation room can be ventilated.
• The currently applicable building codes must be observed.
• Even floor, suitable for heavy loads.
• Observe fire control standards.
• Free from corrosive and explosive gases (ammonia content max. 20 ppm).
• Free from dust (especially flour dust or sawdust).
• Free from vibrations.
• Free access to the installation location.
• No direct sunlight.
• Smoke detectors must be installed both at the installation location and in bed-
rooms.
3.2 System components
The inverter of the storage system is retrofittable for the connection of an
external Demand Response Enabling Device (DRED)2 in order to support
Demand Response Mode Zero (DRM 0).
1 Optimal: 5 °C … 30 °C | Derating possible below 5 °C / above 30 °C.
2 Set ‘Retrofitting DRED port’ is available from sonnen GmbH.

Product description | 3
KD-446 | 22213 | EN | X03 11 / 60
3
21
4
F1
XDIO
XAC
XSO3
XSO4
XSO2 XSO1
Illustration1: System components of the storage system
No. Designation Function
1 Filter plate Holder for filter pad.
2 Inverter Conversion of batteries’ direct current into al-
ternating current.
3 Battery module(s) Storage of electrical power.
4 Securing band Fixation of the battery modules.
F1 Fuse switch F1 On / Off switch of the storage system.
XAC Mains connection Connection to the public electrical supply net-
work.
XDIO Digital inputs and outputs Interface to emit and receive digital signals.
XSO1 USB port Port for connection of an Z-Wave USB stick.
XSO2 Modbus port Data connection to power meter.
XSO3 Ethernet port Data connection to router for home network.
XSO4 Reserve opening.
3.3 Type plate
The type plate for the storage system is located on the outer surface of the sys-
tem. The type plate can be used to uniquely identify the storage system. The in-
formation on the type plate is required for the safe use of the system and for ser-
vice matters.
The following information is specified on the type plate:
• Item designation
• Item number
• Technical data of the storage system

3 | Product description
12 / 60 Installation instructions sonnenBatterie eco 9.43
The battery capacity and the nominal power of the storage system differ depend-
ing on the number of battery modules installed. For this reason the installed bat-
tery capacity must be ticked on the type plate by the electrician installing the sys-
tem (see Filling in the type plate [P.51]).
3.4 Symbols on the outside of the storage system
Symbol Meaning
Warning: flammable materials.
Warning: hazards due to batteries.
Warning: electrical voltage.
5 min
Warning: electrical voltage. Wait five minutes after switching off (ca-
pacitor de-energising time).
kg
Warning: product is heavy.
CE mark. The product meets the requirements of the applicable EU
directives.
WEEE mark. The product must not be disposed of in household waste;
dispose of it through environmentally friendly collection centres.
Observe the documentation. The documentation contains safety in-
formation.

Transport and storage | 4
KD-446 | 22213 | EN | X03 13 / 60
4 Transport and storage
4.1 Storage
Storage describes the condition when the storage system is not connected to the
public electrical mains and the battery modules cannot be automatically charged.
4.1.1 Ambient conditions during storage
The ambient conditions specified in section Technical data [P.9] must be ob-
served during storage.
4.1.2 Storing the battery modules
NOTICE Deep-discharge of the battery modules
Destruction of the battery modules!
Do not disconnect the storage system from the public grid for long peri-
ods of time.
Never continue to operate battery modules which have been deep-dis-
charged.
During storage the battery modules automatically discharge at a minimal level.
Deep-discharge could damage or destroy the battery modules. For this reason,
the battery modules can only be stored for a limited amount of time.
Observe the following points:
• The battery modules must be charged to 60 % (charging status upon delivery)
when stored.
• Store the battery modules for no longer than 6 months.
• Install the battery modules in the storage system after 6 months at the most
and commission the storage system.
4.2 Transport
4.2.1 Ambient conditions during transport
The ambient conditions specified in section Technical data [P.9] must be ob-
served during transport.
4.2.2 Transporting battery modules
CAUTION Improper transport of battery modules
Fire outbreak at battery modules or emission of toxic substances!
Transport the battery modules in their original packaging only. If you no
longer have the original packaging, new packaging can be requested
from sonnen GmbH.
Never transport damaged battery modules.

4 | Transport and storage
14 / 60 Installation instructions sonnenBatterie eco 9.43
Lithium-ion batteries are hazardous goods. Therefore the following points must
be observed when transporting the battery modules:
Observe the general transport regulations based on the mode of transport as
well as all legal regulations.
Consult an external hazardous goods expert.
Hazardous goods class UN number Battery module mass
9 UN 3480 ‘lithium-ion batteries’ 24 kg (incl. packaging)
Table2: Battery module data relevant for transport
4.2.3 Inspecting for transport damage
CAUTION Use of damaged battery modules
Fire outbreak at battery modules or emission of toxic substances!
Unpack the battery modules immediately after transport and inspect
them for transport damage.
Check the temperature indicator on the back of the battery module.
ðIf the temperature indicator turned red or
ðif damage (deformation, damage to the housing, emission of sub-
stances and the like) is discovered:
Do not use the battery modules under any circumstance.
Notify the service team.
CAUTION Insulation fault when storage system is damaged
Danger of electric shock when touching damaged insulation elements!
Unpack the storage system immediately after transport and inspect it for
transport damage.
Do not use a damaged storage system under any circumstance.
Paragraph 425 of the German Commercial Code (Handelsgesetzbuch) forms the
legal basis for processing transport damage.
The shipping company can only be held liable for transport damage if it can be
proven that the damage occurred during the course of transport. For this reason
it is important to follow the instructions given here as closely as possible.
Transport damage is divided into open and hidden damage. Open damage is ex-
ternally visible damage to the transported goods or their packaging. Hidden dam-
age occurs when the packaging is not damaged but the transported goods inside
are.
Open transport damage must be reported to the shipping company immediately.
The following time frames apply in the case of hidden transport damage:
• Deutsche Post / DHL / parcel services: report damage within 24 hours
• Shipping company: report damage within 7 days

Transport and storage | 4
KD-446 | 22213 | EN | X03 15 / 60
Proceed as follows:
1. Check the shipping documents
Check the recipient address and numbers of shipped goods in the presence
of the shipper.
2. Inspect the goods for open damage
Inspect the packaging and transport goods for external damage in the pres-
ence of the shipper.
Illustration2: Transport indicator affixed to the
packaging
Check the transport indicator affixed
to the packaging of the main cabinet
in the presence of the shipper.
The storage system has not been transported properly if blue powder has been
transferred into the arrow of the transport indicator.
Refuse to accept the goods if blue powder has been transferred into the ar-
row of the transport indicator.
3. Inspect the goods for hidden damage
This inspection should also take place in the presence of the shipper if possible.
Unpack the goods.
Inspect the goods for hidden (not immediately visible) transport damage.
If transport damage is discovered:
Stop unpacking the product.
Collect photographic evidence of the damage.
Refuse to accept the goods if the discovered defects are serious.
4. Document the defects
Document the defects identified on the consignment note.
Additionally, document the following:
• Notation ‘Conditional acceptance’.
• Registration number of the delivery vehicle.
• Signature of the shipper.
5. Report the damage
Report the damage to the responsible transport company and the manufac-
turer immediately.
Send the consignment note/delivery note with the shipper's confirmation of
the damage and photographic evidence to the manufacturer by email.
Damage claims cannot be settled if the above mentioned documentation is
not submitted within the stated reporting time frames.

4 | Transport and storage
16 / 60 Installation instructions sonnenBatterie eco 9.43
4.2.4 Transport to the installation location
WARNING High weight of the storage system
Risk of injury by lifting/dropping the storage system!
Wear safety footwear when setting up.
Ensure a secure footing.
At least two people are necessary to carry the main cabinet of the stor-
age system.
4.2.5 Temperature adjustment after transport
NOTICE Forming of condensation
Damage to the storage system!
Check the inside of the storage system for condensation before installa-
tion.
Only install the storage system if there is no condensation on the sur-
faces.
If the temperature of the storage system is lower than the ambient temperature
of the room when it is delivered, condensation may form inside the storage sys-
tem.
If the storage system has been transported in sub-zero temperatures, proceed as
follows:
1. Set up the storage system in a suitable location.
2. Open all main cabinet doors.
3. Leave the storage system to stand for at least 24 hours with open main cab-
inet doors.
4. Only then can you commission the storage system.

Mounting | 5
KD-446 | 22213 | EN | X03 17 / 60
5 Mounting
5.1 Scope of delivery
Check the following scope of delivery to ensure it is complete.
A
B
E
1x
1x
1x
1
1
2
3
C
1x
1x
1x
1D1
E
POWER
LINK-IN
LINK-OUT
CONTROLLER
RS232
STATUSPOWER
2x
2
1x
7
2x
13
4x
9
6
2x
1x
4 5
6x 6x
8
3
1x
1x
2
7
2x
2x
9
6
1x
4 5
4x 4x
8
2x 1x
8 9 10
11
KL
KL
KL
1 2 3
KSW
1x
2x +49 (0) 8304 / 92933 - 444 · info@sonnenbatte rie.de · www.sonnenbatterie.de
+49 (0) 8304 / 92933 - 444 · info@sonnenbatte rie.de · www.sonnenbatterie.de
1x
1x
1x
24
3
6
57
1x
A1 A2 13 14 15 16 2x 2x 2x
1x
12
2x
A For main cabinet B For battery module D For small extension cabinet
1 Main cabinet 1 Battery module 1 Small extension cabinet
2 Power meter WM271 2 BMS communication line, short 2 Edge protection
3 Modbus line with RJ-45 coupling C For big extension cabinet 3 Levelling mat
4 Current transformer KSW 60-3 1 Big extension cabinet 4 Locking nut
5 Operating instructions 2 Edge protection 5 Contact disc
6 Installation instructions 3 Levelling mat 6 Earthing lines
7 Mains line 4 Locking nut 7 Battery lines, short
8 Earthing line 5 Contact disc 8 Battery lines, long
9 Locking nut 6 Earthing lines 9 BMS communication line, long
10 Contact disc 7 Battery lines, short
11 Battery lines, short 8 Battery lines, long EPedestal for extension cabinet
12 Blanking plug with locknut 9 BMS communication line, long (optional)
13 Miniature circuit breaker B16

5 | Mounting
18 / 60 Installation instructions sonnenBatterie eco 9.43
5.2 Selecting the installation location
5.2.1 Requirements for the installation location
Observe the required ambient conditions (see Technical data [P.9]).
5.2.2 Observing minimum distances
50 cm 100 cm
5 cm
15 cm
Illustration3: Minimum distances
Observe the specified minimum dis-
tances to neighbouring objects.
The minimum distances ensure that:
• there is sufficient heat dissipation,
• the storage system door can be
opened easily and
• there is sufficient space for mainten-
ance work.
5.3 Opening the storage system
5.3.1 Opening the main cabinet
Illustration4: Opening the door of the main cab-
inet
Remove the two Allen screws on
the left side of the main cabinet.
Open the door of the main cabinet.

Mounting | 5
KD-446 | 22213 | EN | X03 19 / 60
5.3.2 Removing the cover of the extension cabinet (optional)
Illustration5: Removing the cover of the exten-
sion cabinet
To remove the cover of the extension
cabinet:
Remove the three screws.
Slide the cover up.
5.4 Mounting the storage system
Illustration6: Storage system with optional ex-
tension cabinet (floor mounted) / Storage sys-
tem without extension cabinet (wall mounted)
• A storage system without the optional
extension cabinet must be mounted to
the wall with screws.
• A storage system with the extension
cabinet must be floor mounted.
WARNING Inadequate protection against contact if installed without base cabinet
Risk of injury from contact with the battery modules through the openings in
the floor of the main cabinet!
Ensure that both openings in the floor of the main cabinet are sealed
with the provided blanking plugs on the inside and the locknuts on the
outside of the storage systems.
Permissible blanking plugs3 must meet the following requirements:
3 Additional blanking plugs and nuts are available from sonnen GmbH.

5 | Mounting
20 / 60 Installation instructions sonnenBatterie eco 9.43
• Material: metal or plastic with a flammability class of V-1 in accordance with
UL94
• Fine thread: M32x1,5
• External diameter: 35 mm
• Temperature range: -60 °C to +200 °C
5.4.1 Requirements for mounting material
Use only screws with the following properties:
8 mm max. 15 mm
max. 6 mm
Illustration7: Parameters of the screw used
• Screw head diameter: max. 15 mm
• Screw diameter: 8 mm
• Hight of screw head: max. 6 mm
• The screw lengths and the wall plugs used must be suitable for the nature of
the wall.
5.4.2 Placing the levelling mat or the pedestal
The levelling mat (1) is part of the scope of delivery for storage systems with ex-
tension cabinet. It is used to compensate uneven floors.
Alternatively the extension cabinet can be placed on an optional pedestal (3) in-
stead of the levelling mat. This is helpful if the extension cabinet doesn’t meet
flush with the wall (e.g. because a skirting board (2) is mounted).
1 32
Illustration8: Levelling mat or pedestal
Place the levelling mat (1) or the ped-
estal (3) at the preferred installation
location.
5.4.3 Drilling the holes
Holes must be drilled into the wall to mount the storage system. The arrangement
of the holes depends on whether the big or the small extension cabinet is used.
A drilling template is part of the packaging of the main cabinet. Therewith it
is easier to mark the position of the holes on the wall. Please note that the
drilling template does not consider the levelling mat or the optional pedes-
tal!
Without extension cabinet
If the storage system is used without extension cabinet it is a good idea to ob-
serve the dimensions provided in one of the two figures above. That way no new
holes need to be drilled if the storage system is extended at a later time.