SB6 11TL US - Install

PV Inverter
Sunny Boy 6000TL‑US / 7000TL‑US / 8000TL‑US /

9000TL‑US / 10000TL‑US / 11000TL‑US
Installation Manual
SB6-11TL-US-IA-en-13 | IMUS-SB8-10TLUS | Version 1.3 CA US

SMA America, LLC Legal Restrictions
Copyright © 2012 SMA America, LLC. All rights reserved.

No part of this document may be reproduced, stored in a retrieval system, or transmitted, in any form
or by any means, electronic, mechanical, photographic, magnetic or otherwise, without the prior
written permission of SMA America, LLC.
Neither SMA America, LLC nor SMA Solar Technology Canada Inc. makes representations, express
or implied, with respect to this documentation or any of the equipment and/or software it may
describe, including (with no limitation) any implied warranties of utility, merchantability, or fitness for
any particular purpose. All such warranties are expressly disclaimed. Neither SMA America, LLC nor
its distributors or dealers nor SMA Solar Technology Canada Inc. nor its distributors or dealers shall
be liable for any indirect, incidental, or consequential damages under any circumstances.
(The exclusion of implied warranties may not apply in all cases under some statutes, and thus the
above exclusion may not apply.)
Specifications are subject to change without notice. Every attempt has been made to make this
document complete, accurate and up-to-date. Readers are cautioned, however, that
SMA America, LLC and SMA Solar Technology Canada Inc. reserve the right to make changes
without notice and shall not be responsible for any damages, including indirect, incidental or
consequential damages, caused by reliance on the material presented, including, but not limited to,
omissions, typographical errors, arithmetical errors or listing errors in the content material.
All trademarks are recognized even if these are not marked separately. Missing designations do not
mean that a product or brand is not a registered trademark.
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and
any use of such marks by SMA America, LLC and SMA Solar Technology Canada Inc. is under
license.
SMA America, LLC

3801 N. Havana Street
Denver, CO 80239 U.S.A.
SMA Solar Technology Canada Inc.

2425 Matheson Blvd. E
8th Floor
Mississauga, ON L4W 5K5
Canada
Installation Manual SB6-11TL-US-IA-en-13 3

Important Safety Instructions SMA America, LLC
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS

This manual contains important instructions for the following products:
• Sunny Boy
This manual must be followed during installation and maintenance.
The product is designed and tested according to international safety requirements, but as with all
electrical and electronic equipment, certain precautions must be observed when installing and/or
operating the product. To reduce the risk of personal injury and to ensure the safe installation and
operation of the product, you must carefully read and follow all instructions, cautions and warnings
in this manual.
Warnings in this document

A warning describes a hazard to equipment or personnel. It calls attention to a procedure or practice,
which, if not correctly performed or adhered to, could result in damage to or destruction of part or all
of the SMA equipment and/or other equipment connected to the SMA equipment or personal injury.
Symbol Description
DANGER indicates a hazardous situation which, if not avoided, will result in
death or serious injury.
WARNING indicates a hazardous situation which, if not avoided, could result
in death or serious injury.
CAUTION indicates a hazardous situation which, if not avoided, could result
in minor or moderate injury.
NOTICE is used to address practices not related to personal injury.
4 SB6-11TL-US-IA-en-13 Installation Manual

SMA America, LLC Important Safety Instructions
Other Symbols in this document

In addition to the safety and hazard symbols described on the previous pages, the following symbol
is also used in this manual:
Symbole Description
Indicates information that is important for a specific topic or objective, but is not
safety-relevant.
☐ Indicates a requirement for meeting a specific goal.
☑ Desired result
✖ A problem that could occur
Warnings on this product

The following symbols are used as product markings with the following meanings.
Symbol Description
Warning regarding dangerous voltage
The product works with high voltages. All work on the product must only be
performed as described in the documentation of the product.
Beware of hot surface

The product can become hot during operation. Do not touch the product during
operation.
Observe the operating instructions

Read the documentation of the product before working on it. Follow all safety
precautions and instructions as described in the documentation.
Transformerless
UL1741 is the standard applied by Underwriters Laboratories to the product to

certify that it meets the requirements of the National Electrical Code®, the
Canadian Electrical Code® CSA C22.1 and IEEE‑929‑2000. IEEE 929-2000
provides recommendations regarding the proper equipment and functionality
necessary to ensure compatible operation when power generation is connected
to the utility grid.
Earth Ground

General Warnings SMA America, LLC
General Warnings
General Warnings
All electrical installations must be made in accordance with the local and National Electrical Code®
ANSI/NFPA 70 or the Canadian Electrical Code® CSA C22.1. This document does not and is not
intended to replace any local, state, provincial, federal or national laws, regulation or codes
applicable to the installation and use of the product, including without limitation applicable
electrical safety codes. All installations must conform with the laws, regulations, codes and
standards applicable in the jurisdiction of installation. SMA assumes no responsibility for the
compliance or noncompliance with such laws or codes in connection with the installation of the
product.
The product contains no user-serviceable parts.
For all repair and maintenance, always return the unit to an authorized SMA Service Center.
Before installing or using the product, read all of the instructions, cautions, and warnings in this
manual.
Before connecting the product to the electrical utility grid, contact the local utility company. This
connection must be made only by qualified personnel.
Wiring of the product must be made by qualified personnel only.

SMA America, LLC Table of Contents
Table of Contents
1 Information on this Manual. . . . . . . . . . . . . . . . . . . . . . . . 11
1.1 Validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.2 Target Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.3 Storing the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.4 Additional Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.5 Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.1 Intended Use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.2 Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3 Unpacking and Inspection. . . . . . . . . . . . . . . . . . . . . . . . . 16
3.1 Scope of Delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.2 Component Parts of the Sunny Boy . . . . . . . . . . . . . . . . . . . . . 17
3.3 Position of the Stickers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.4 Identifying the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4 Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.2 Requirements for the Mounting Location. . . . . . . . . . . . . . . . . . 20
4.2.1 Possibilities for Mounting the Wall Mounting Bracket. . . . . . . . . . . . . . . . . . 23
4.2.2 Mounting the Wall Mounting Bracket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.3 Mounting the DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.3.1 Mounting the Sunny Boy on a Wall Mounting Bracket . . . . . . . . . . . . . . . . 27
5 Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
5.1 Circuit Diagram with SMA DC Disconnect and Combiner Box 30
5.2 Inserting the Cables in the DC Disconnect . . . . . . . . . . . . . . . . 31
5.3 Connection Area of the Sunny Boy. . . . . . . . . . . . . . . . . . . . . . 32
5.4 AC Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table of Contents SMA America, LLC
5.4.1 Connecting the AC Cables in the DC Disconnect . . . . . . . . . . . . . . . . . . . . . 35

5.4.2 Connecting the AC Cables in the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . 37
5.5 DC Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
5.5.1 DC Cable Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.5.2 Connecting the DC Cables in the DC Disconnect . . . . . . . . . . . . . . . . . . . . . 40
5.5.3 Connecting the DC cable in the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . . 41
5.6 Communication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
6 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
6.1 Switching On the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . . . 43
6.2 The Sunny Boy Does Not Resume Operation. . . . . . . . . . . . . . 45
7 Displays and Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . 47
7.1 Setting the Display Language . . . . . . . . . . . . . . . . . . . . . . . . . . 48
7.2 Display Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
7.3 LED Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
8 Opening and Closing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
8.1 Opening the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
8.2 Closing the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
8.3 Opening the DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
8.4 Closing the DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
9 Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
9.1 Cleaning the Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
9.2 Cleaning the Handle Covers . . . . . . . . . . . . . . . . . . . . . . . . . . 62
9.3 Checking the DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . 62
9.4 Checking the Fans. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
9.5 Testing and Replacing the Varistors . . . . . . . . . . . . . . . . . . . . . 65
9.5.1 DC Varistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
9.5.2 AC Varistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

SMA America, LLC Table of Contents
10 Decommissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
10.1 Dismantling the Sunny Boy and the DC Disconnect . . . . . . . . . 68
10.2 Packaging the Sunny Boy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
10.3 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
10.4 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
11 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
11.1 Sunny Boy 6000TL-US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
11.2 Sunny Boy 7000TL-US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
11.3 Sunny Boy 8000TL-US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
11.4 Sunny Boy 9000TL-US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
11.5 Sunny Boy 10000TL-US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
11.6 Sunny Boy 11000TL-US . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
11.7 DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
11.8 Tripping Limits and Tripping Times . . . . . . . . . . . . . . . . . . . . . . 86
11.9 Torque Values and Cable Sizes . . . . . . . . . . . . . . . . . . . . . . . . 87
12 Spare Parts and Accessories . . . . . . . . . . . . . . . . . . . . . . . 88
13 Compliance Information . . . . . . . . . . . . . . . . . . . . . . . . . . 89
14 Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

SMA America, LLC

SMA America, LLC 1 Information on this Manual
1 Information on this Manual

1.1 Validity
This manual describes the mounting, installation, commissioning and maintenance of the following
SMA inverters:
• Sunny Boy 6000TL-US
This manual does not contain any information on the devices that are connected to the Sunny Boy.
Information concerning the connected equipment is available from the manufacturer of the equipment.
1.2 Target Audience

This manual is for electrically qualified persons. Electrically qualified persons have received training
and have demonstrated skills and knowledge in the construction and operation of this device.
Electrically qualified persons are trained to deal with the dangers and hazards involved in installing
electrical installations.
1.3 Storing the Documentation

Store all manuals for the Sunny Boy in such way that they may be accessed at any time.
1.4 Additional Information

Additional information on specific topics can be found in the download area at
www.SMA‑America.com.
1.5 Nomenclature
In this document, SMA America Production, LLC and SMA Solar Technology Canada Inc. will be
referred to as SMA.

2 Safety SMA America, LLC
2 Safety
2.1 Intended Use
The Sunny Boy is a PV inverter which converts the DC current of the PV array to AC current and feeds
it into the power distribution grid. The Sunny Boy is suitable for use with fuel cells, small wind turbine
systems, and other DC current sources. You can use the AC electricity generated as follows:
Household grid: Energy flows into the household grid. The loads connected, for example
household devices or lighting, consume the energy. The energy left over is
fed into the power distribution grid. When the Sunny Boy is not generating
any energy, e.g. at night, the loads that are connected are supplied by the
power distribution grid.
The Sunny Boy does not have its own energy meter. When energy is being
fed into the power distribution grid, the energy meter runs in reverse.
Power distribution grid: Energy is fed directly into the power distribution grid. The Sunny Boy is
connected to a separate energy meter. Depending on the electric utility
company, you will be remunerated accordingly for the energy generated.
Stand-alone grid: The Sunny Boy is connected to a stand-alone grid. A stand-alone grid is a
grid that is not connected to a power distribution grid. The Sunny Boy needs
a grid-forming generator, for example, a Sunny Island, in order to function.
The energy generated is consumed directly on site, surplus energy can be
stored in batteries.
Interconnection Code Compliance

The Sunny Boy has been checked by the certification body and certified according to the guidelines
in UL 1741 Static Inverters and Charge Controllers for use in Photovoltaic Power Systems, IEEE 929-
2000 Recommended Practice for Utility Interface of Photovoltaic Systems, and IEEE 1547 Standard
for Interconnecting Distributed Resources with Electric Power Systems.
UL 1741 is the standard used for the Sunny Boy by the certification body in order to
certify that it complies with the regulations of the National Electrical Code® and
IEEE 929-2000. IEEE 929-2000 states recommendations regarding the appropriate
equipment and functionality that is required to guarantee fault-free operation when the
power generation is connected to the power distribution grid.
The Sunny Boy is also certified in accordance with Canadian Electrical Code® CSA
C22.2 N0. 107.1-01 (General Use Power Supplies).
Prior to designing and installing your PV plant, contact the local grid operator or the
responsible authority.

SMA America, LLC 2 Safety
Principle of a PV Plant with a Sunny Boy
Position Description
A PV modules
B Sunny Boy Combiner Box
C Sunny Boy with SMA DC Disconnect
D AC load circuit breaker
E Loads
F Energy meter
G Power distribution grid
The Sunny Boy may only be operated with PV arrays (modules and cabling) that have protective
insulation. Do not connect any energy sources other than PV modules to the Sunny Boy.
Leading Leakage Currents

PV modules with large capacities relative to ground, such as thin-film PV modules, may only be
used if their coupling capacity does not exceed 2 µF.
During feed-in to the grid, a leakage current flows from the cells to ground. The amount of
current depends on how the modules are installed and on the weather. This leakage current
may not exceed 50 mA since otherwise the inverter will automatically disconnect from the grid.
PV plant design
When designing the PV plant, ensure that the values comply with the permitted operating range of all
component parts at all times. Use the free of charge "Sunny Design" at www.SMA-America.com to
design your PV plant.
The Sunny Boy 6000TL-US, 7000TL-US, 8000TL-US, 9000TL-US, 10000TL-US and

11000TL-US is a transformerless inverter.
It has no galvanic isolation.
The PV modules must be rated for at least the maximum PV plant voltage.

2 Safety SMA America, LLC
Grounding the PV modules

This Sunny Boy is a transformerless inverter. That is why it has no galvanic isolation. Do not ground
the DC electric circuits of the PV modules connected to the Sunny Boy. Only ground the mounting
frame of the PV modules.
If you connect grounded modules to the Sunny Boy, the error message F-Riso is displayed.
The DC electric circuit is connected to the AC grid during operation.
Fuses
The Sunny Boy and the DC-Disconnect do not contain string fuses.
According to the National Electrical Code® of 2008, Section 690.35, string fuses are necessary in
order to protect the PV plant against reverse currents.
Arc-Fault Circuit Interrupter AFCI

Only the following Sunny Boy types are equipped with an automatic arc-fault circuit interrupter
(AFCI):
• SB 6000TLUS-12
• SB 7000TLUS-12
• SB 8000TLUS-12
• SB 9000TLUS-12
• SB 10000TLUS-12
• SB 11000TLUS-12
The 2011 edition of the National Electrical Code®, Section 690.11, stipulates that newly installed
PV plants attached to a building must be fitted with a means of detecting and disconnection of serial
electric arcs (AFCI) on the PV side.
An electric arc with a power of 300 W or greater must be interrupted by the AFCI in the time specified
by UL 1699B. A tripped AFCI may only be reset manually.
The arc-fault circuit interrupter (AFCI) can be deactivated in the "Installer" mode via the
communication device if this function is not desired.

SMA America, LLC 2 Safety
2.2 Safety Precautions
High voltages in the inverter

Electric shock when touching live components.
• Prior to performing any work on the inverter, disconnect the inverter from any voltage sources.
• Only connect the inverters as described in this manual.
• Only electrically qualified persons may work on the inverter.
The inverter can become hot during operation

• Burn injuries may be possible when touching the enclosure.
• During operation, touch the enclosure lid only.
The Sunny Boy may down over due to inappropriate transport

Contusions or bone fractures due to the heavy weight of the Sunny Boy.
• Prior to transporting the Sunny Boy, take its weight of 77 lb. (35 kg) into consideration.
• Use suitable lifting techniques for the transport.

3 Unpacking and Inspection SMA America, LLC
3 Unpacking and Inspection

Check the delivery for completeness and any visible external damage. Contact your SMA specialty
retailer or SMA if the delivery is incomplete or you find any damage.
Contact information is provided in the "Contact" Section, page 14 "Contact", page 90.
If it is necessary to send the Sunny Boy back, use the original packaging.
3.1 Scope of Delivery
Position Quantity Description

A 1 Sunny Boy
B 1 Wall-mounting bracket
C 1 Spare screw and spare conical spring washers for closing the Sunny Boy lid
2 Screws and washers for fastening the Sunny Boy to the wall-mounting bracket
D 2 Spare jumpers for fan test
E 2 Handle covers (left and right)
F 3 DC varistors*
G 1 Insertion tool for DC varistors*
H 1 DC Disconnect
I 1 Screw and washer for closing the DC Disconnect lid
2 Screws and washers for fastening the DC Disconnect to the wall-mounting
bracket
* only SB 6000TLUS-12/SB 7000TLUS-12/SB 8000TLUS-12/SB 9000TLUS-12/SB 10000TLUS-12/SB 11000TLUS-12
If not ordered differently, the SMA Sunny Boy Combiner Box is included in the scope
of delivery as a standard feature.

SMA America, LLC 3 Unpacking and Inspection
3.2 Component Parts of the Sunny Boy
A Ergonomic handle
B Display
C Fan
3.3 Position of the Stickers
A Type label
B General warning sticker
C Warning sticker for the DC connection

3 Unpacking and Inspection SMA America, LLC
3.4 Identifying the Sunny Boy

You can identify the Sunny Boy by the type label. It is on the right side of the enclosure.
The type label shows:
• The serial number (Serial No.).
• The product type (Type/Model).
• The device-specific characteristics.

SMA America, LLC 4 Mounting
4 Mounting
4.1 Safety
Danger to life due to fire or explosions

With electrical devices, there is always a certain danger that a fire may break out.
• Do not install the inverter in the vicinity of combustible materials.
• Do not install the inverter in potentially explosive atmospheres.
The Sunny Boy may fall down due to inappropriate mounting

• When mounting the Sunny Boy, take its weight of 77 lb. (35 kg) into consideration.
• Use appropriate mounting material for the mounting location of the inverter:
– For mounting on plasterboard, do not use hollow wall anchors or toggle bolts.
– Wooden supporting posts must be present behind the installation points on plasterboard.
• Use suitable lifting technique when mounting.
The inverter can become hot during operation

Burn injuries may be possible when touching the enclosure.
• Install the inverter in such a way that it cannot be touched accidentally.

4 Mounting SMA America, LLC
4.2 Requirements for the Mounting Location
Requirements
☐ The installation method and mounting location must be suitable for the weight and dimensions
of the Sunny Boy (see Section 11 "Technical Data", page 70).
☐ Note the dimensions of the DC Disconnect (4.3 "Mounting the DC Disconnect", page 25).
☐ Mount the inverter on a stable surface.
☐ The mounting location must be accessible at all times.
☐ Mount vertically or tilted backward at max. 15°.

☐ The connection area must point downward.
☐ Do not install the inverter tilting forward.
☐ Do not install the inverter horizontally.
☐ Install the inverter at eye level in order to be able to read out the operating state at any time.
☐ The ambient temperature must be in a permissable range ("Technical Data" on page 70).
☐ Do not expose the inverter to direct sunlight.
☐ In the living area, do not mount inverters on a
plasterboard wall or similar wall.
The Sunny Boy may emit noises when in use which
can be regarded as a nuisance.

☐ Observe recommended clearances to walls, other inverters or other objects. As a result,

sufficient heat dissipation is ensured.
The National Electrical Code® may stipulate greater clearances (see National Electrical
Code®, Section 110.26). Installations in Canada must be carried out in accordance with
the applicable Canadian standards.
☐ If several inverters are mounted in areas with high ambient temperatures, increase the
clearances and ensure a sufficient fresh-air supply. Thus, you will prevent the inverter power
from being reduced due to too high temperatures.
Recommended clearances
Position Clearance
Top 12 in. (300 mm)
12 in.
Bottom 12 in. (300 mm)
Left 12 in. (300 mm)
Right 12 in. (300 mm)
Front 2 in. (50 mm) 12 in
.
12 in
.
2 in.
12 in.
If the Sunny Boy is installed outdoors

• Observe minimum clearance to the ground of 36 in. (900 mm).

Dimensions of the Wall Mounting Bracket

4.2.1 Possibilities for Mounting the Wall Mounting Bracket
Mounting on a Stone Wall

Attach the wall mounting bracket using at least 3 screws.
The position of the screws on the wall mounting bracket is
as follows:
• 1 screw on the upper left side.
• 1 screw on the upper right side.
• 1 screw below
Mount the wall mounting bracket as described in Section
4.2.2 "Mounting the Wall Mounting Bracket", page 24.
Mounting on a Wooden Wall with Supporting Post or on a Pillar

as follows:
• 2 screws at the upper middle.
• 1 screw below
Mounting on a Wooden Wall with Two

Supporting Posts
as follows:
• 2 screws on the upper left side.
• 2 screws on the upper right side.
Use the four outer mounting holes on the left and right
sides of the wall mounting bracket.

4.2.2 Mounting the Wall Mounting Bracket

1. Position the wall mounting bracket at the installation location. If possible, select eye level.
2. Align the wall mounting bracket with a spirit level. The bottom end of the wall mounting bracket
reaches approximately to the bottom corner of the inverter.
3.
Electric shock due to damaged electric cables
Electric cables may be located behind the installation points which can be damaged when
mounting the inverter.
• Ensure that no electric cables are located behind the installation points.
4. Use the wall mounting bracket as a template. Mark at least 3 holes in the horizontal or vertical
position of the wall mounting bracket (see Section 4.2.1 "Possibilities for Mounting the Wall
Mounting Bracket", page 23).
5. Remove the wall mounting bracket and drill the holes at the markings.
The diameter of the drill holes must correspond to the fasteners that you use for mounting
the inverter.
Mounting on a concrete wall
• The hole diameter must be the same as the outer diameter of the screw anchors.
• Insert suitable screw anchors into the drill holes.
Mounting on a wall with wooden support posts
The hole diameter must correspond to the screw diameter used. The screws should be
stainless steel. The diameter of the screws must correspond to the diameter of the holes
in the wall mounting bracket. The screws must be long enough to reach a depth in the
wall of 11⁄2 in.
6. Insert the screws into the drill holes through the holes in the wall mounting bracket.
7. Tighten the screws clockwise until the wall mounting bracket hangs securely on the wall.

4.3 Mounting the DC Disconnect
Inserting the DC varistors
The supplied DC varistors must only be used for the following inverter types:
SB 6000TLUS-12/SB 7000TLUS-12/SB 8000TLUS-12/SB 9000TLUS-12/
SB 10000TLUS‑12/SB 11000TLUS‑12.
- + L1 L2 N
A Terminals for DC varistors
1. Open the DC disconnect as described in Section 8.3 "Opening the DC Disconnect", page 58.
2. Equip the 3 terminals (A) with DC varistors:
– Insert the insertion tool into the rectangular
opening of the terminal.
– Insert the DC varistor into the terminal.
– Pull the insertion tool out of the rectangular

3. Ensure that all DC varistors in the terminals are
securely in place.
4. Close the DC disconnect as described in Section 8.4 "Closing the DC Disconnect", page 59.

Dimensions of the SMA DC Disconnect
Mounting the SMA DC Disconnect to the Wall

Attach the SMA DC Disconnect to the two lower holes of the wall-mounting bracket, using two screws
and washers provided.
1. Place the screws and the washers in the holes in the

fastening tabs on the DC Disconnect. The teeth on
the washers must lie against the fastening tabs of
the DC Disconnect.
2. Place the SMA DC Disconnect against the wall
mounting bracket.
3. Tighten the screws with 44 in-lb. (5 Nm) torque.
☑ The SMA DC Disconnect is mounted.

4.3.1 Mounting the Sunny Boy on a Wall Mounting Bracket

1. Remove the handle covers on the right and left side of the Sunny Boy.
2.
The Sunny Boy may fall down due to inappropriate mounting
• Transport the Sunny Boy between two persons, using the side handles above and below.
or
Put a steel bar with a maximum diameter of 11⁄8 in. (30 mm) through the enclosure opening
above and transport it between two people.
3. Hook the Sunny Boy with the enclosure opening

onto the rear panel in the wall mounting bracket. The
Sunny Boy must be seated on the middle of the wall
mounting bracket.
4. Screw the Sunny Boy onto the wall mounting bracket

on both sides with the screws supplied.
5. Tighten the screws clockwise with a tightening torque
of 44 in-lb. (5 Nm).
6. Plug handle covers on the handles.

To help you identify the sides, the ventilation grids
are marked "rechts/right" and "links/left" on the
inside.
The ventilation grids prevent dirt and insects from
entering the inverter and can be reordered from
SMA if required. See Section 12 "Spare Parts and
Accessories", page 88

5 Electrical Connection SMA America, LLC
5 Electrical Connection
High voltages on the AC and DC cables

Risk of death or serious injury due to electric shock.
• Only connect the inverters as described in this manual.
• Only electrically qualified persons may work on the inverter.
Ingress of moisture when mounting and installing the Sunny Boy

Potential damage to the Sunny Boy.
• For inserting the conduits into the enclosure and the DC Disconnect, only use UL-certified
rainproof sleeves or waterproof sleeves that fulfill UL 514B.
• Do not open the Sunny Boy in the event of rain or a high level of humidity (>95%).
Damage to the seal of the enclosure lid during frost
When opening the Sunny Boy during frost, the seal of the enclosure lid can be damaged. There may
be an ingress of moisture damaging the Sunny Boy.
• Do not open the Sunny Boy when the outdoor temperature is below 23°F ( − 5°C).
Electrostatic discharges through touching component parts
• Ground yourself before touching any electronic component.
Ground faults, unreliable and highly resistive connections due to Wire Nuts®
Potential damage to or failure of the Sunny Boy.
• Do not use Wire Nuts®.
Electrical Installations
All electrical installations must be carried out in accordance with the electrical standards
applicable on-site and the National Electrical Code® ANSI/NFPA 70. Installations in Canada
must be carried out in accordance with the applicable Canadian standards.
Before connecting the inverter to the power distribution grid, contact your local electric utility
company. This connection may be made only by electrically qualified persons.

SMA America, LLC 5 Electrical Connection
AC Grounding
The AC outputs and the neutral conductors are not bonded to ground
The Sunny Boy must be connected to the AC grounding conductor of the power distribution grid
via the ground terminal (PE) (see Section 5.3 "Connection Area of the Sunny Boy", page 32).
The AC input and AC output circuits are isolated from the enclosure and system grounding, if required
by Section 250 of the National Electrical Code, ANSI/NFPA 70, is the responsibility of the installer.
PV Grounding
The Photovoltaic System Grounding shall be installed per the requirements of Sections 690.41
through 690.47 of the National Electrical Code, ANSI/NFPA 70 and is the responsibility of the
installer.
The grounding conductor in the framework of the PV array must be connected to the PV grounding
conductor and the DC grounding conductor (see Section 5.3 "Connection Area of the Sunny
Boy", page 32). The cross-section of the grounding conductor corresponds to the cross-section of the
largest conductor in the DC system.
DC Grounding Conductor
A DC grounding conductor may be required by the Authority Having Jurisdiction (AHJ). Use the
terminal block for the PV grounding conductor and DC grounding conductor (see Section
5.3 "Connection Area of the Sunny Boy", page 32).

5.1 Circuit Diagram with SMA DC Disconnect and Combiner Box

The DC Disconnect supplied must be used for the operation of the Sunny Boy.

5.2 Inserting the Cables in the DC Disconnect

1. Open the DC Disconnect (see Section 8.3 "Opening the DC Disconnect", page 58).
2. Break out the knockout openings for the AC and DC cables. Use separate conduits for the AC
and the DC cables.
3.
Ingress of moisture in the DC disconnect due to enlarged knockout openings
Damage to the DC disconnect is possible.
• Do not enlarge the knockout openings.
4. Insert the cable gland in the knockout opening.

5. Plug the conduit into the gland and tighten the gland.
6.
High voltages on the AC and DC cables
Death or serious injuries when touching the voltage-conducting cables.
7. Switch off the main switch in the switch cabinet.

8. Cover the PV modules with opaque material.
9. Pull the AC and DC cables through the conduit in the DC Disconnect.
☑ The cables have been inserted into the DC Disconnect.

5.3 Connection Area of the Sunny Boy

A B CD
R 2 3 5 7 E
Q P H G
O I
- + L1 L2 N
NM L K
A Socket for optional communication Piggy-Back (RS485 or wireless)
B Display
C Status LEDs
D Jumper position for verifiying the operation of the fans
E Power Balancer terminal
F Flat connection for grounding the cable shield for communication
G Sunny Boy: Ground terminal (PE)

H Sunny Boy: Output AC line terminals (N, L1 and L2)
I AC varistor terminal with AC varistors
K SMA DC Disconnect: Output AC line terminals (N, L1 and L2)
L SMA DC Disconnect: Grounding electrode terminal for the connection of:
• Grounding electrode conductor
• DC equipment grounding
• AC equipment grounding
M SMA DC Disconnect: DC+ terminal
N SMA DC Disconnect: DC − terminal
O DC varistor terminal with DC varistors*
P Sunny Boy: DC − terminal
Q Sunny Boy: DC+ terminal
R Terminal for optional communication (RS485)
5.4 AC Connection
Danger of fire
Overcurrent may lead to a cable fire.
• Protect the electrical installation on the AC side. Observe the maximum fuse sizes of the
inverter types (see 11 "Technical Data", page 70).
• Do not connect more than 1 inverter to 1
miniature circuit-breaker..
• Install a separate miniature circuit-breaker for
each load. Do not connect any branch circuit
wires to the miniature circuit-breakers.
Electrical Installations
Perform all electrical installations in accordance with all electrical standards applicable locally
and the National Electrical Code® (NE, ANSI/NFPA 70).
See National Electrical Code®, Section 690-64(b) (2).
For installations in Canada, observe the applicable Canadian standards.

System configuration
The following table shows the possible system configurations for the inverter types:
Inverter type Voltage

208 V WYE 240 V Split Phase
SB xxxxTLUS-10 ✓ ‒
SB xxxxTLUS-12 ✓* ✓
*not SB 11000TLUS-12
A neutral conductor must be connected to the inverter in either grid situation.
AC cable requirements
The cable must be dimensioned in accordance with the local and national directives for the
dimensioning of cables. The requirements for the minimum conductor cross-section derive from these
directives. Influencing factors for cable dimensioning are, among others, the following: nominal AC
current, type of cable, cable length, routing method, cable bundling, ambient temperature and
maximum desired line losses.
Only use solid wire or stranded wire

• Do not use fine-wire strands.
Ambient temperature
The higher the ambient temperature, the higher the power losses.
• Use cables with large cable cross-sections in installation sites with high ambient
temperatures.
Routing method
The cables heat up during operation. If there are several cables in a conduit, the temperature
of all cables increases.
• Use cables with a large cross-section if you lay several cables in one conduit.
Position Name Value

A Conductor cross-section 6 to 2 AWG (16 to 35 mm²)
B Stripping insulation 3⁄ in.(18 mm)
4

Load Disconnection Unit

Install a separate miniature circuit-breaker for each inverter, in order that the inverter can be safely
disconnected under load. See the technical data (11 "Technical Data", page 70) for the maximum
permissible rating.
Screw-type fuse elements as load disconnection unit

The Sunny Boy can be damaged during isolation under load.
• Use a miniature circuit-breaker or listed switch-disconnector as load disconnection unit.
• Do not use a screw-type fuse element as switch-disconnector.
5.4.1 Connecting the AC Cables in the DC Disconnect

1. Open all AC and DC circuit breakers or load-disconnecting switches.
2. Open the main fuse in the fuse box.
3. Ensure that there is no voltage between the fuse output and the ground bar. Use a multimeter.
The voltage must be 0 V.
4. Open the DC disconnect as described in section 8.3 "Opening the DC Disconnect", page 58.
5. Remove a suitable knockout opening on the bottom side of the DC disconnect.
6. Lay a cable conduit from the fuse box to the DC disconnect (see chapter 5.2 "Inserting the
Cables in the DC Disconnect", page 31).
7. Lead the AC cable through the cable conduit from the inside of the fuse box into the inside of
the DC Disconnect.
Open terminals fully before insertion of the cables.
8. Connect the AC device grounding conductor to the

PE terminal labeled in the DC Disconnect.

9. Connect conductor L1 (AC conductor 1 or

UNGROUNDED) to terminal L1.
10. Connect conductor L2 (AC conductor 2) to

terminal L2.
11. Connect conductor N (AC conductor N) to

terminal N.
12. Tighten the cables with a torque of 40 in-lb. (4.5 Nm).

13. Check that all terminals have the correct wiring and that the cables are secure.
☑ The AC cables are connected in the DC Disconnect.

5.4.2 Connecting the AC Cables in the Sunny Boy

1. Open the Sunny Boy as described in Section 8.1 "Opening the Sunny Boy", page 55.
2. Feed the cable through the rubber grommet into the

inverter.
2 3 5 7 A B + -
277 V
V
240
208
3. Pull the cable back slightly so as to seal the rubber
grommet.
2 3 5 7 A B + -
277 V
V
240
208
4. Connect the green-yellow cable of the DC
Disconnect to the terminal labeled .
5. Connect the white cable of the DC Disconnect to the

terminal labeled N.
6. Connect the black cable of the DC Disconnect to the

terminal labeled L1.

7. Connect the red insulated conductor to the terminal

labeled L2.
8. Tighten the cables with a torque of 40 in-lb. (4.5 Nm).

9. Check that all terminals have the correct wiring and that the cables are secure.
10. Close the DC Disconnect as described in Section 8.4 "Closing the DC Disconnect", page 59.
11. Close the Sunny Boy as described in Section 8.2 "Closing the Sunny Boy", page 56.
☑ The AC cables are now connected.

5.5 DC Connection
High voltages on PV modules that are exposed to light

Risk of death due to electric shock from touching a DC conductor.
• Do not touch the DC conductor.
High voltages in the DC cables
Risk of death or serious injury from touching a DC cable.
• Only connect the DC cable from the PV module to the inverter as described in this manual.
Danger of burning due to overheating

• Equip all string cables for DC+ and DC − connected to the DC Disconnect with a fuse.
• Observe the National Electrical Code® 2008, Section 690.35.
Simplified Electrical Circuit Diagram of a PV plant
Route the PV lines precisely in the entire PV plant and do not coil.

5.5.1 DC Cable Requirements

Only use solid wire or stranded wire
• Use the free of charge "Sunny Design" at www.SMA-America.com to design your PV
plant.
DC cabling to the Combiner Box

Use copper wire that is rated for 10 to 6 AWG (6 to 16 mm²) and 194°F (90°C) (National
Electrical Code® 690.35).
DC cabling Between the Combiner Box and the Inverter

Use copper wire that is rated for min. 8 AWG (10 mm²) and 194°F (90°C) (National Electrical
Code® 690.35).
5.5.2 Connecting the DC Cables in the DC Disconnect

1. Lay a conduit from the Sunny Boy Combiner Box to the DC Disconnect
(see Section 5.2 "Inserting the Cables in the DC Disconnect", page 31).
2. Open the DC Disconnect as described in Section 8.3 "Opening the DC Disconnect", page 58.
3. Pull the DC cable from the Sunny Boy Combiner Box through the conduit into the DC Disconnect.
Open terminals fully before insertion of the cables.
4. Connect the grounding conductor to terminal (B)

for the grounding conductor.
If necessary:
Connect the grounding cable of the PV frame to
terminal (A) for the grounding conductor.

5. Check the connection cables of the PV modules for

correct polarity and at the same time ensure that the
maximum input voltage of the Sunny Boy is not
exceeded.
6. Open the screw terminals completely by turning the
screws counterclockwise with a flat-head
screwdriver.
7. Connect the negative DC cables (A) to the terminal
labeled – in the SMA DC Disconnect.
8. Connect the positive DC cables (A) to the terminal
labeled + in the SMA DC Disconnect.
9. Tighten all cables in the terminal blocks in the SMA DC Disconnect with a torque of 40 in-lb.
(4.5 Nm).
10. Verify that all connections are correctly cabled and tightened to the correct torque.
☑ The DC cables are now connected to the SMA DC Disconnect.
5.5.3 Connecting the DC cable in the Sunny Boy

2. Push the DC cables from the SMA DC Disconnect

through the grommet in the Sunny Boy in order to
pierce the grommet. Do not use sharp tools to pierce
the grommet.
3. Pull the cables slightly back in order to seal the

grommet.

4. Open the screw terminals completely by turning

them counterclockwise using a flat-head screwdriver.
5. Connect the positive DC cable to the terminal
labeled DC+ in the Sunny Boy.
6. Connect the negative DC cable to the terminal

labeled DC- in the Sunny Boy.
7. Tighten all cables in the terminal blocks in the Sunny Boy with a torque of 40 in-lb. (4.5 Nm).
8. Verify that all connections are correctly cabled and tightened to the correct torque. Pull on the
cable in order to make sure that it is attached tightly enough in the terminal.
9. Close the SMA DC Disconnect as described in Section 8.4 "Closing the DC
Disconnect", page 59.
10. Close the Sunny Boy as described in Section 8.4 "Closing the DC Disconnect", page 59.
☑ The DC cables are now connected in the Sunny Boy.
5.6 Communication
The Sunny Boy can be equipped with a communication interface in order to communicate with SMA
communication products.
You will find further information and a list of applicable communication products at
www.SMA‑America.com.

SMA America, LLC 6 Commissioning
6 Commissioning
High voltages in the PV plant during solar irradiation

Risk of death or serious injuries due to incorrect commissioning.
• Only commission the Sunny Boy in the following order.
Requirements
☐ The AC cable is correctly connected.
☐ The DC cable is correctly connected.
☐ The enclosure lid is securely closed.
☐ The miniature circuit-breaker is correctly rated.
6.1 Switching On the Sunny Boy

1. Remove all covers from the PV array.
2. Switch on the AC miniature circuit-breaker.
3. Turn the DC Disconnect to position "1",
0 0
☑ The Sunny Boy performs an AFCI self-test.
AFCI Self-test
Only the following types of Sunny Boy perform an AFCI self-test:
• SB 6000TLUS-12
• SB 7000TLUS-12
• SB 8000TLUS-12
• SB 9000TLUS-12
• SB 10000TLUS-12
• SB 11000TLUS-12

6 Commissioning SMA America, LLC
☑ If the AFCI self-test is successful: The Sunny Boy switches into the
"Waiting" mode and the green LED flashes. The "Waiting" mode ends
when there is sufficient solar irradiation. The green LED is permanently lit
and the Sunny Boy feeds into the power distribution grid.
or
☑ If the AFCI self-test fails: The yellow LED flashes. The Sunny Boy repeats
the AFCI self-test until it is successful. Observe Section 6.2 "The Sunny Boy
Does Not Resume Operation", page 45.
If the Sunny Boy does not operate as expected, refer to the user manual.
If the feed-in to the power distribution grid was interrupted by a detected AC failure and then
resumed, the inverter waits 5 minutes before feeding in again.
For this, the input voltage must be greater than the start voltage of the Sunny Boy. For the
corresponding values, see section 11 "Technical Data", page 70.
If the inverter is not able to feed into the power distribution grid three times in a row, it waits
10 minutes before the next attempt.

SMA America, LLC 6 Commissioning
6.2 The Sunny Boy Does Not Resume Operation
High voltages in the PV system

Risk of death or serious injury due to electric shock.
• Only electrically skilled persons may perform work on the PV array.
• Watch the display and the LEDs.

• Refer to Section 7 "Displays and Messages", page 47 and the user manual.
No operation despite sufficient solar irradiation

1. Check whether the input voltage is sufficient. For the input voltage values, see Section
11 "Technical Data", page 70.
2. If the input voltage is not sufficient, perform troubleshooting in the PV array and rectify the fault.
or
3. If the input voltage is sufficient, contact the SMA Service Line. Observe Section
14 "Contact", page 90.
The Message "Error AFCI" Is Displayed

An electric arc occurred in the PV system. The yellow LED is permanently lit. The AFCI has tripped and
the Sunny Boy is in permanent shutdown.
Danger of fire from electric arc

• Only test the AFCI for false tripping in the order described below.
• Do not deactivate the AFCI permanently.
1. Turn the DC Disconnect to position "0".

☑ Wait for the display to go out.
0 0
2. Perform troubleshooting in the PV system:

Check all PV strings for the correct open-circuit voltage.

6 Commissioning SMA America, LLC
3. After the fault is rectified, restart the Sunny Boy:

Turn the DC Disconnect to position "1".
☑ The Sunny Box starts and performs another
AFCI self-test. 0 0
4. If the following message appears on the display, tap on the enclosure lid: "Error AFCI. Knock
to restart."
The message "Error AFCI. Knock to reset." appears for 10 seconds only. After
this, it is no longer possible to restart the unit by tapping on the enclosure lid.
• To restart the system, repeat step 1 to step 3.
5. If the AFCI self-test is successful:

The Sunny Boy switches into the "Waiting" mode and the green LED
flashes.
☑ The "Waiting" mode ends when solar irradiation reaches a certain level.
The green LED lights up permanently and the Sunny Boy feeds into the
power distribution grid.
or
6. If the AFCI self-test fails:
The Sunny Boy repeats the AFCI self-test until it is successful.
7. If the AFCI self-test continues to fail: Turn the DC
Disconnect to position "0" and switch off the AC
disconnect switch to the inverter.
0 0
If the AFCI self-test fails permanently

• Contact the SMA Service Line. Observe Section 14 "Contact", page 90.
In the event of inverter inspection
1. Turn the DC disconnect to position "0".

☑ The Sunny Boy switches itself off.
• Disconnect the Sunny Boy on the AC side.

SMA America, LLC 7 Displays and Messages
7 Displays and Messages

The Sunny Boy LED Status Indicators
Each Sunny Boy inverter is equipped with three LED status indicators that display the operating mode
of the inverter.
LED Color Meaning

Green Indicates standard operation of the inverter.
Red Indicates that a ground fault is present in the PV array.
The inverter does not feed into the power distribution grid.
Observe Section "Ground Fault", page 53.
Yellow Indicates that an error is present either in the inverter or in the PV
plant. The inverter will not operate until the fault has been
corrected.
The possible error messages and causes are explained in the user
manual and in Section 7 "Displays and Messages", page 47.
Red and yellow If the yellow and red LEDs light up simultaneously, the inverter
detected a ground fault.
Observe Section "Ground Fault", page 53.

7 Displays and Messages SMA America, LLC
7.1 Setting the Display Language

The LCD can display information in 1 of 4 different languages. The language is configured via 2 slide
switches that are located on the lower edge of the LCD.
2. Set the switches to the required language, as shown below.
Language Switch S2 Switch S1
German B B
English B A
French A B
Spanish A A
3. Close the Sunny Boy as described in Section
8.2 "Closing the Sunny Boy", page 56.
☑ The display language is set.
7.2 Display Messages

Each error message is displayed for 5 seconds
• After 5 seconds, the LCD scrolls through the regular operation messages.
• The error message is repeated until the error is rectified.
• You will find an exact explanation of the display messages in the Sunny Boy user manual.
Start phase
• Inverter type.
Sunny Boy
WRXKuxxx
• Firmware version of the operation control unit and

the current controlling unit. BFR Version x.xx.
SRR Version x.xx

Feed-in operation
The following display messages will be given consecutively after the start phase.
• The energy generated today and the actual
operating state.
• The current feed-in capacity and PV voltage.
• The total energy produced and the time that the

inverter has been connected to the grid. E-Total 724.4kWh
h-total 512h
Disturbance
If an error occurs, the LCD switches backlight on.
• If a disturbance occurs, the message "Disturbance"
will be shown in the lower line. E-today 0Wh
Mode Disturbance
• The exact error message is displayed.
• If an unreliable measurement has caused the

disturbance, the value measured at the time of the
disturbance is displayed in the upper line.
• If another measurement of the value is possible, the
latest measured value is displayed in the second
line.

PV overvoltage
Damage to the inverter due to overvoltage

• Disconnect the inverter from the PV array immediately.
• Error message PV overvoltage.

!PV-Overvoltage!
!DISCONNECT DC!
1. Check the DC voltage at the DC Disconnect.

2. If the DC voltage is greater than 600 V: Contact the planner/installer of the PV array.
or
If the DC voltage is lower than 600 V: Connect the Sunny Boy to the PV array again as
described in Section 5.5 "DC Connection", page 39.
3. If the message occurs again, disconnect the Sunny Boy from the grid and contact SMA (see
Section 14 "Contact", page 90).

7.3 LED Display
Green Red Yellow Status

is permanently lit is not lit is not lit OK (feed-in operation)
is permanently lit is not lit Disturbance
is permanently lit OK (initialization)
flashes quickly is not lit is not lit OK (stop)
(3 x per second) is permanently lit is not lit Disturbance
flashes slowly is not lit is not lit OK (waiting, grid
(1 x per second) monitoring)
goes out briefly is permanently lit is not lit Disturbance
(approx. 1 x per is not lit is not lit OK (derating)
second)
is not lit is not lit is not lit OK (overnight
shutdown)
is lit/flashes Disturbance
is permanently lit is not lit Disturbance
is lit/flashes Disturbance
- flashes not relevant Warning (see Section
"Ground
Fault", page 53)

Feed-in Operation
The green LED indicates error-free operation of the inverter.
Disturbance or Fault
If the Sunny Boy detects a disturbance or fault, this is indicated through a blink code by the yellow
LED. If the status does not change, the blink code repeats itself.

PV Overvoltage
The yellow LED is on for 5 seconds, goes out for 3 seconds, then flashes 4 times. This sequence is
repeated 3 times. If the status does not change, the blink code repeats itself.
The inverter has detected a DC input voltage that is too high for safe operation.
Damage to the inverter due to overvoltage

• Disconnect the inverter from the PV array immediately.
1. Check the DC voltage at the DC Disconnect.

2. If the DC voltage is greater than 600 V: Contact the planner/installer of the PV array.
or
If the DC voltage is lower than 600 V: Connect the Sunny Boy to the PV array again as
described in Section 5.5 "DC Connection", page 39.
If the message occurs again, disconnect the Sunny Boy from the grid and contact SMA (see Section
14 "Contact", page 90).
Ground Fault
High voltages in the PV array

Death or serious injury due to electric shock possible.
• Do not touch the PV array frame.
• Do not touch PE.
• Wait until there is no voltage before working on the PV array.
• Do not connect strings with ground faults to the inverter.
• Only electrically skilled persons may perform work on the PV array.

If the red LED is permanently lit, there is a ground fault in the PV array.
1. Disconnect the Sunny Boy from the DC and AC sides as described in Section 8.1 "Opening the
Sunny Boy", page 55.
2. Measure the voltages between the plus and minus pole of a string against the ground potential.
3.
Damage to the measuring device through overvoltage
• Only use a measuring device with a DC input voltage range of at least 600 V.
✖ If a voltage has been measured, there is a ground fault in the corresponding string.
• The approximate position of the ground fault can be determined from the ratio of the
measured voltages between the plus pole against ground potential and the minus pole
against ground potential.
Example:
The ground fault is between the second and third module in this case.
4. Repeat step 2 on each string.
5. Resolve the ground fault in the affected string.
6. Restart the Sunny Boy as described in Section 8.2 "Closing the Sunny Boy", page 56.

SMA America, LLC 8 Opening and Closing
8 Opening and Closing

8.1 Opening the Sunny Boy
High voltages are present in the Sunny Boy during operation

Death or serious injury due to electric shock.
• Only open the Sunny Boy in the order described as follows.
1. Switch off all AC and DC breakers or switch-disconnectors. Ensure that the switches cannot be
inadvertently reconnected.
2. Wait at least 5 minutes until the residual voltage has been drained.
3. Remove the 6 screws and conical spring washers from the enclosure lid. Pull the lid smoothly off
forwards.
4. Put the cover, screws, and washers aside.
5.
Moisture can penetrate the open Sunny Boy
• Do not open the Sunny Boy in the event of rain or a high level of humidity (>95%).
• Handle the enclosure lid with care.
Damage to the seal of the enclosure lid during frost
When opening the Sunny Boy during frost, the seal of the enclosure lid can be damaged. There
may be an ingress of moisture damaging the Sunny Boy.
• Do not open the Sunny Boy when the outdoor temperature is below 23°F ( − 5°C).
Electrostatic discharges through touching component parts
• Ground yourself prior to touching a component part.
☑ The Sunny Boy is open.

8 Opening and Closing SMA America, LLC
8.2 Closing the Sunny Boy
Damage to the enclosure lid can affect the seal between the enclosure lid and the
enclosure
There may be an ingress of moisture.
• Handle the enclosure lid with care.
• Check the seal on the inner side of the enclosure lid for damage.
• When closing, no moisture may remain in the enclosure.
☐ Cables must not obstruct the seal of the enclosure lid.

☐ The enclosure lid must not exert any pressure on the connections.
☐ All 6 screws with conical spring washers for attaching the enclosure lid are available.
☐ The seal in the inside of the lid must be undamaged and in the correct position.
1. Mount the enclosure lid onto the Sunny Boy.
The 6 holes in the cover must be aligned with the
6 thread bores of the enclosure.

2. Hold the enclosure lid.

Tighten the 6 screws with the conical spring
washers through the holes in the enclosure lid into
the threaded bores of the enclosure.
Do not damage the thread of the screws
• Do not use power tools to tighten the screws.

• The toothing of the conical spring washers must point toward the enclosure lid.
3. Check whether the enclosure lid is laying evenly on the enclosure.

4. Tighten the 6 screws with a torque of 53 in-lb. (6 Nm).
☑ The Sunny Boy is closed.

8 Opening and Closing SMA America, LLC
8.3 Opening the DC Disconnect

1. Switch the DC Disconnect to "0".
2. Loosen the screw on the rotary switch of the DC Disconnect. Use a cross-head screwdriver.
Do not fully remove the screws

• If the rotary switch of the DC Disconnect cannot be removed, loosen the screw
further.
3. Remove the screw and the washer of the cover on the underside of the DC Disconnect.
4. Remove the rotary switch. 5
5. Remove the cover of the DC Disconnect:
4
– Pull the cover on the underside forwards.
– At the same time, remove it from the enclosure.
6.
High voltages at the DC terminals with connected PV modules
Risk of death or serious injury when touching the DC terminal.
• Do not touch any live component of the DC terminals.
☑ The DC Disconnect is open.

8.4 Closing the DC Disconnect

1. Place the cover onto the DC Disconnect and plug in
the rotary handle. Turn the rotary handle to position
"0".
2. Tighten the screw on the right side of the rotary
handle.
3. Insert the screw and conical spring washer of the DC Disconnect into the bottom. Tighten the
screw with a torque of 44 in-lb. (5 Nm).
Grounding the enclosure lid

• For the grounding of the enclosure lid, the toothing of the conical spring washers
must point toward the enclosure lid.
☑ The DC Disconnect is closed.

9 Maintenance SMA America, LLC
9 Maintenance
Regular maintenance ensures a long operating life and optimum efficiency of the entire PV plant.
9.1 Cleaning the Fans

The Sunny Boy is fitted with two fans on its underside.
The fan intakes and handle covers should be cleaned periodically with a vacuum cleaner. For more
thorough cleaning, completely remove the fans.
Potential damage to the fans due to compressed air

• Do not use compressed air for cleaning.
• Use a soft brush or a cloth for cleaning.
• Always remove the fans for cleaning.
1. Disconnect the Sunny Boy on the AC and DC sides.

2. Wait 5 minutes until the residual voltage has been drained and the fans are no longer turning.
Cleaning the Fan Guards

3. Removing the fan guards:
– Press both latches on the right edge of the fan
guard to the right using a screwdriver and
loosen from the retainer.
– Carefully remove the fan guard.
4. Clean the fan guards with a soft brush, a paint brush, a cloth or compressed air.

SMA America, LLC 9 Maintenance
Cleaning the Fans

5. Press the front latches to the rear and the rear
latches to the front.
6. Remove the fan by pulling it slowly and carefully downwards.

7. Unlock and remove the plug. The cables of the fans are long enough to disconnect the plug in
the inside of the Sunny Boy.
8. Remove the fan.
9. Clean the fan with a soft brush, a paint brush, or a cloth.
10. After cleaning, mount the fans and the ventilation grids in reverse order.
11. Check the function of the fans as described in Section "Checking the Fans" on page 63.

9.2 Cleaning the Handle Covers

For optimal heat dissipation of the device, the handle covers must be clean. Clean the handle covers
regularly.
Insects can enter the Sunny Boy

• The handle covers must not be removed permanently, otherwise the inverter is not protected
against the ingress of insects.
1. Remove the handle covers. To do this, put your

finger up into the space between the handle covers
and the enclosure and pull the handle covers to the
side.
2. Clean the handle covers with a soft brush or a paint brush.

3. Re-attach the handle covers to the inverter.
The side on which they are to be mounted is stated
on the inside of the handle covers ("links/left" and
"rechts/right").
9.3 Checking the DC Disconnect

In the case of normal use, the DC Disconnect does not require any maintenance.
Operating the switch cleans the contacts and extends the life of the DC Disconnect.
It is recommended, though not compulsory, to:
• Check the DC Disconnect regularly.
• Activate the DC Disconnect 10 times in a row once a year.
0 0 0 0

9.4 Checking the Fans

In the event of frost, the fan cannot be inspected
The fans are not activated under 32°F (0°C).
You can check the operation of the fans in 2 ways:
• Set the "Fan Test" parameter to "1" in the installer mode. To do this, use a communication
interface.
or
• Set the jumpers on the system control board. The jumpers for testing the fans are included in the
scope of delivery of the Sunny Boy.
Setting Parameters
1. Request the installer password from the SMA Service Line. See "Contact" on page 90.
2. Set the "Fan Test" parameter to "1" in the installer mode.
3. Check the air flow of the fans.
– The Sunny Boy draws in cold air from below through the fans and blows it out again through
the handle covers.
– Pay attention to unusual sounds.
4. After checking the fans, set the parameter "Fan Test" back to "0".

Fitting the Jumpers
The Sunny Boy recognizes the jumpers after the restart.

All LEDs must be off prior to a restart.

Wait 5 minutes until the residual voltage has been drained.
3. Insert the jumpers supplied into the slot on the system control board shown below.
5. Check the air flow of the fans.
– The Sunny Boy draws in cold air from below through the fans and blows it out again through
the handle covers.
– Pay attention to unusual sounds.
6. After testing the fans, remove the jumper.

9.5 Testing and Replacing the Varistors

In regions where storms or other DC overvoltages frequently occur, the DC varistors loose their
functionality if the PV plant is not equipped with an additional overvoltage protection. To ensure that
the functionality of the DC varistors remains at a constant level, SMA recommends in such cases to
replace the DC varistors after an operating time of 10 years with new ones.
No protection against overvoltage due to faulty or missing varistors

Destruction of the inverter is possible.
• Do not operate the inverter with faulty varistors or no varistors at all.
• Replace faulty varistors immediately.
9.5.1 DC Varistors
Only the following inverter types are equipped with DC varistors:
SB 6000TLUS-12/SB 7000TLUS-12/SB 8000TLUS-12/SB 9000TLUS-12/
SB 10000TLUS-12/SB 11000TLUS-12.
- + L1 L2 N
A DC varistors

2. Wait 5 minutes for the component parts to cool down.

4. Check the DC varistors for discoloration and visible damage.

✖ If one of the DC varistors is discolored or damaged, replace all DC varistors:
Only use spare parts from SMA

• Always replace the entire set of DC varistors.
• Order number in Section 12 "Spare Parts and Accessories", page 88.
– Remove the DC varistor.
– Insert the new DC varistor into the terminal.
– Pull the insertion tool out of the rectangular

5. Ensure that all DC varistors in the terminals are securely in place.
☑ Testing and replacement of the DC varistors is completed.

9.5.2 AC Varistors
A
- + L1 L2 N
A AC varistors

2. Wait 5 minutes for the component parts to cool down.
4. Ensure that no voltage is present at the AC varistors (A).
5. Check the AC varistors (A) for discoloration and visible damage.
✖ If one of the AC varistors is discolored or damaged, replace all AC varistors:
Only use spare parts from SMA

• Always replace the entire set of AC varistors.
• Order number in Section 12 "Spare Parts and Accessories", page 88.
opening of the terminal (1).
– Remove the AC varistor (2).
– Insert the new AC varistor into the terminals
(3).
– Pull the insertion tool out of the openings of

the terminal contacts.
6. Ensure that all AC varistors in the terminals are securely in place.
☑ Testing and replacement of the AC varistors is completed.

10 Decommissioning SMA America, LLC
10 Decommissioning
10.1 Dismantling the Sunny Boy and the DC Disconnect
2. Remove all cables connected to the Sunny Boy.
4. Open the DC Disconnect as described in Section 8.3 "Opening the DC Disconnect", page 58.
5. Remove all cables connected to the DC Disconnect.
6.
The Sunny Boy may fall down due to inappropriate disassembly.
• Prior to disassembling the Sunny Boy, take its weight of 77 lb. (35 kg) into account.
• Use suitable lifting technique when disassembling.
7. Remove both screws on the left and right side of the
Sunny Boy that attach it to the wall mounting
bracket.
8. Remove the Sunny Boy vertically upwards from the

wall mounting bracket.
9. 2 people must transport the Sunny Boy using the
side handles at the top and bottom.
or
Feed a steel rod with a maximum diameter of
11⁄8 in. (30 mm) through the enclosure openings at
the top. 2 people must transport the Sunny Boy.

SMA America, LLC 10 Decommissioning
10. Remove both screws on the left and right side of the
DC Disconnect that attach it to the wall mounting
bracket.
10.2 Packaging the Sunny Boy

• Pack the Sunny Boy and DC Disconnect. Use the original packaging or packaging that is
suitable for the weight and dimensions of the inverter.
10.3 Storage
Store the Sunny Boy and the DC Disconnect in a dry place. The ambient temperature must be between
− 40°F ( − 40°C) and +140 °F +60°C).
10.4 Disposal
• Dispose of the Sunny Boy and the DC Disconnect in accordance with the disposal regulations
for electronic waste that apply at the installation site.
or
• Send the Sunny Boy and the DC Disconnect to SMA carriage paid (see Section
14 "Contact", page 90). When doing so, label the packaging with the information
"FOR DISPOSAL".

11 Technical Data SMA America, LLC
11 Technical Data
11.1 Sunny Boy 6000TL-US
PV Array Connection
Maximum DC power 6,200 W
Maximum DC voltage 600 V
Minimum DC voltage at 208 V AC 300 V
DC nominal voltage at 208 V AC 345 V
DC start voltage 360 V
MPP voltage range at 208 V AC 300 V to 480 V
Maximum DC input current at 208 V AC 21 A
Number of MPP trackers 1 (OptiTrac)
Grid Connection
AC nominal power 6,000 W
Maximum AC power 6,000 W
Reduced power output at 140°F (60°C) 6,000 W
Maximum AC current at 208 V AC 33 A
Maximum AC reverse current 0A
Maximum AC fuse size 45 A
AC nominal voltage 208 V/240 V
AC voltage range at 208 V AC 183 V to 229 V
AC nominal frequency 60 Hz
AC nominal frequency range 59.3 Hz to 60.5 Hz
Power factor at nominal power 1
Total harmonic factor < 4%
AC connection/Power Balancing Two Phases / ✓
Ground fault monitoring (R-Iso) Yes
Power consumption nighttime ≤ 0.25 W

SMA America, LLC 11 Technical Data
Protection Devices
DC reverse polarity protection Short-circuit diode
AC short-circuit current capability Software-controlled
AC overcurrent protection Current-controlled
Grid monitoring SMA Grid Guard
General Data
Topology Transformerless H5
Cooling concept OptiCool
Protection class NEMA 3R
Optional communication interfaces RS485/wireless (Bluetooth)
DC connection Screw terminals
AC connection Screw terminals
Efficiency
Inverter peak efficiency 98.3%

CEC weighted efficiency 98%

Ambient Conditions
Ambient temperature range SB 6000TLUS-12 − 40°F to +140°F

( − 40°C to +60°C)
Mechanical Data
Width x height x depth (including DC Disconnect) 183⁄8 in. x 33 in. x 97⁄16 in.
467 mm x 838 mm x 241 mm
Weight of the inverter 77 lb (35 kg)
Weight of the DC Disconnect 8 lb (3.5 kg)
Noise emission ≤ 46 dB(A)
PV Array Connection

Grid Connection
Protection Devices
Grid monitoring SMA Grid Guard 2
General Data

Efficiency

Ambient Conditions

( − 40°C to +60°C)
Mechanical Data
467 mm x 838 mm x 241 mm

PV Array Connection
DC nominal voltage 345 V
Grid Connection

Protection Devices
General Data
Efficiency


Ambient Conditions

( − 25°C to +60°C)
( − 40°C to +60°C)
Mechanical Data
467 mm x 838 mm x 241 mm
PV Array Connection

Grid Connection
Protection Devices
General Data

Efficiency

Ambient Conditions

( − 25°C to +60°C)
( − 40°C to +60°C)
Mechanical Data
467 mm x 838 mm x 241 mm

PV Array Connection
Grid Connection

Protection Devices
General Data
Topology Transformerless
Efficiency

CEC weighted efficiency 97.5%

Ambient Conditions

( − 25°C to +60°C)
( − 40°C to +60°C)
Mechanical Data
467 mm x 838 mm x 241 mm
PV Array Connection
Maximum DC input current 33 A

Grid Connection
Reduced power output at 140 °F (60 °C) 8,000 W
Maximum AC current at 240 V AC 48.6 A
AC nominal voltage 240 V
Protection Devices
General Data
Topology Transformerless

Efficiency

CEC weighted efficiency 97.5%
Ambient Conditions

( − 40°C to +60°C)
Mechanical Data
467 mm x 838 mm x 241 mm

11.7 DC Disconnect
PV Array Connection
DC operating voltage range 0 V to 600 V
Maximum DC operating current 35 A
Maximum DC short-circuit current 45 A
Maximum string fuse rating 20 A
AC Connection
Maximum AC current 49 A
General Data
Dimensions (width x height x depth) 77⁄8 in. x 113⁄4 in. x 715⁄32 in.
(200 mm x 300 mm x 190 mm)
Cable Requirements 8 to 2 AWG (10 to 35 mm²) copper
(National Electrical Code®, 310.16) wire, rated for 194°F (90°C)

11.8 Tripping Limits and Tripping Times

Nominal Tripping limit Tripping frequencies Tripping times
frequency
60 Hz > 60 5 Hz 60.45 Hz to 60.55 Hz max. 0.1602 s
< 57.0 Hz to 59.8 Hz 56.95 Hz to 59.85 Hz adjustable,
(Standard 59.3 Hz) (Standard 0.16 s to 300 s
59.25 Hz to 59.35 Hz) (Standard max. 0.1602 s)
< 57.0 Hz 56.95 Hz to 57.05 Hz max. 0.1602 s
Voltage Tripping limit - Conductor- Tripping voltage - Tripping times

tripping voltages neutral conductor conductor-
conductor
208 V 50% 57.6 to 62.4 V 99.8 to 108.2 V max. 0.1602 s
88% 103.2 to 108.0 V 178.9 to 187.2 V max. 2.002 s
110% 129.6 to 134.4 V 224.6 to 233.0 V max. 1.001 s
120% 141.6 to 146.4 V 245.4 to 253.8 V max. 0.1602 s
240 V 50% 57.6 to 62.4 V 115.2 to 124.8 V max. 0.1602 s
88% 103.2 to 108.0 V 206.4 to 216.0 V max. 2.002 s
110% 129.6 to 134.4 V 259.2 to 268.8 V max. 1.001 s
120% 141.6 to 146.4 V 283.2 to 292.8 V max. 0.1602 s
Measurement accuracy
• Tripping limit accuracy: ±2 % of nominal grid voltage
• Tripping time accuracy: ±1 % of nominal tripping time
• Tripping frequency accuracy: ±0.05 Hz

11.9 Torque Values and Cable Sizes

in-lb. Nm Wire size
Sunny Boy
AC terminal block 40 4.5 6 to 2 AWG (16 to 35 mm²)
copper wire, rated for 194°F
(90°C)*
DC terminal block 40 4.5 8 to 2 AWG (10 to 35 mm²)
(90°C) *
Attachment to the wall mounting 44 5 -
bracket
Enclosure lid 53 6 -
DC Disconnect
AC terminal block 40 4.5 6 to 2 AWG (16 to 35 mm²)
(90°C)*
DC terminal block 40 4.5 8 to 2 AWG (10 to 35 mm²)
(90°C) *
Terminal block grounding 40 4.5 8 to 2 AWG (10 to 35 mm²)
conductor copper wire, rated for 194°F
(90°C) *
Attachment to the wall mounting 44 5 -
bracket
Enclosure lid 44 5 -
*see National Electrical Code®, 310.16

12 Spare Parts and Accessories SMA America, LLC
12 Spare Parts and Accessories

If needed, you can order these from SMA or your SMA specialty retailer.
Spare parts
Name Description SMA order number
Ventilation grid Ventilation grid set, right and 45-7202
left
AC varistors AC varistor replacement kit SB-VAC-US01
DC varistors* DC varistor replacement kit SB-VDC-US01
Accessories
Name Description SMA order number
Sunny Boy Combiner String-Combiner for 6 strings SBCBTL6-10
Box maximum
Power Balancer Retrofit kit for the Power PBL-SBUS-10-NR
Balancer function
RS485 retrofit kit RS485 communication 485USPB-SMC-NR
interface
Bluetooth retrofit kit Bluetooth communication BTPBINV-NR
interface

SMA America, LLC 13 Compliance Information
13 Compliance Information
FCC Compliance
This device complies with Part 15 of the FCC Rules. Operation is subject to the following conditions:
1. This device may not cause harmful interference, and

2. This device must accept any interference received, including interference that may cause
undesired operation.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses, and can
radiate radio frequency energy and if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
The user is cautioned that changes or modifications not expressly approved by
SMA America, LLC could void the user’s authority to operate this equipment.
IC Compliance
This device complies with Industry of Canada licence-exempt RSS standard(s). Operation is subject
to the following two conditions:
• This device may not cause interference, and
• This device must accept any interference, including interferences that may cause undesired
operation of the device.

14 Contact SMA America, LLC
14 Contact
If you have technical problems concerning our products, contact the SMA Service Line. We require
the following information in order to provide you with the necessary assistance:
• Type of inverter
• Type and number of modules connected
• Communication method
• Sunny Boy failure or warning number
• Display message of the Sunny Boy
SMA Solar Technology America, LLC

6020 West Oaks Blvd, Ste 300
Rocklin, CA 95765
Tel. +1 916 625 0870
Tel. +1 877-MY SMA TECH
Tel. +1 877 697 6283 (Toll free, available for USA, Canada and Puerto Rico)
Fax +1 916 625 0871
Service@SMA-America.com
www.SMA-America.com
SMA Solar Technology Canada Inc.

2425 Matheson Blvd E , 8th Floor
Mississauga, ON L4W 5K5 , Canada
Tel. +1 877 506 1756 (Toll free, available for Canada)
Service@SMA-Canada.ca
www.SMA-Canada.ca

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PV Inverter

Sunny Boy 6000TL‑US / 7000TL‑US / 8000TL‑US /

SB6-11TL-US-IA-en-13 | IMUS-SB8-10TLUS | Version 1.3 CA US

Copyright © 2012 SMA America, LLC. All rights reserved.

SMA America, LLC

SMA Solar Technology Canada Inc.

Installation Manual SB6-11TL-US-IA-en-13 3

IMPORTANT SAFETY INSTRUCTIONS

SAVE THESE INSTRUCTIONS

Warnings in this document

4 SB6-11TL-US-IA-en-13 Installation Manual

Other Symbols in this document

Warnings on this product

Beware of hot surface

Observe the operating instructions

UL1741 is the standard applied by Underwriters Laboratories to the product to

Installation Manual SB6-11TL-US-IA-en-13 5

6 SB6-11TL-US-IA-en-13 Installation Manual

Installation Manual SB6-11TL-US-IA-en-13 7

5.4.1 Connecting the AC Cables in the DC Disconnect . . . . . . . . . . . . . . . . . . . . . 35

8 SB6-11TL-US-IA-en-13 Installation Manual

Installation Manual SB6-11TL-US-IA-en-13 9

10 SB6-11TL-US-IA-en-13 Installation Manual

1 Information on this Manual

1.2 Target Audience

1.3 Storing the Documentation

1.4 Additional Information

Installation Manual SB6-11TL-US-IA-en-13 11

Interconnection Code Compliance

12 SB6-11TL-US-IA-en-13 Installation Manual

Principle of a PV Plant with a Sunny Boy

Leading Leakage Currents

The Sunny Boy 6000TL-US, 7000TL-US, 8000TL-US, 9000TL-US, 10000TL-US and

Installation Manual SB6-11TL-US-IA-en-13 13

Grounding the PV modules

Arc-Fault Circuit Interrupter AFCI

14 SB6-11TL-US-IA-en-13 Installation Manual

2.2 Safety Precautions

High voltages in the inverter

The inverter can become hot during operation

The Sunny Boy may down over due to inappropriate transport

Installation Manual SB6-11TL-US-IA-en-13 15

3 Unpacking and Inspection

3.1 Scope of Delivery

Position Quantity Description

16 SB6-11TL-US-IA-en-13 Installation Manual

3.2 Component Parts of the Sunny Boy

3.3 Position of the Stickers

Installation Manual SB6-11TL-US-IA-en-13 17

3.4 Identifying the Sunny Boy

18 SB6-11TL-US-IA-en-13 Installation Manual

Danger to life due to fire or explosions

The Sunny Boy may fall down due to inappropriate mounting

The inverter can become hot during operation

Installation Manual SB6-11TL-US-IA-en-13 19

4.2 Requirements for the Mounting Location

☐ Mount vertically or tilted backward at max. 15°.

20 SB6-11TL-US-IA-en-13 Installation Manual

☐ Observe recommended clearances to walls, other inverters or other objects. As a result,