SMA SI 3324 User Manual

Sunny Island 3324/4248
User Manual

User Manual Version 4.0 SI3324/4248-14:FE2406

TBE-SI4248

SMA Technologie AG

Table of Contents

1 Notes on this Manual. . . . . . . . . . . . . . . . . . .7

1.1 Validity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.2 Symbols Used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2 The Sunny Island 3324/4248 . . . . . . . . . . . . .9

2.1 General Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.2 At a Glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2.3 Accessories (optional) . . . . . . . . . . . . . . . . . . . . . . . . . 12

2.4 SMA Products (Optional) . . . . . . . . . . . . . . . . . . . . . . . 12

2.5 Type Plate/Firmware Version . . . . . . . . . . . . . . . . . . . . 13

3 Safety Instructions . . . . . . . . . . . . . . . . . . . .15

3.1 Important Notes Regarding Operation . . . . . . . . . . . . . 15

4 Operation / Commisioning. . . . . . . . . . . . . .17

4.1 Control Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.1.1 Explanation of the Light-emitting Diodes (LEDs) . . . . . . . 18

4.1.2 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.1.3 Power Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.1.4 Relay Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.2 Activation and Deactivation . . . . . . . . . . . . . . . . . . . . . 20

4.2.1 Activation and Startup . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.2.2 Stopping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.2.3 Deactivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.2.4 Restarting the Automatic Shutdown . . . . . . . . . . . . . . . . 22

4.3 Menu Structure Overview. . . . . . . . . . . . . . . . . . . . . . . 23

4.4 Viewing and Altering Parameters . . . . . . . . . . . . . . . . . 25

4.5 Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

4.6 Generator Request. . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

4.7 Fault Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

User Manual SI3324/4248-14:FE2406 Page 3

SMA Technologie AG

5 Generator Settings. . . . . . . . . . . . . . . . . . . .29

5.1 Generator Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

5.1.1 Autostart Generators . . . . . . . . . . . . . . . . . . . . . . . . . . 29

5.1.2 Manual-Start Generators . . . . . . . . . . . . . . . . . . . . . . . 29

5.2 Generator Parameters. . . . . . . . . . . . . . . . . . . . . . . . . 29

5.2.1 Selection of Generator Control Method. . . . . . . . . . . . . 30

5.2.2 Setting the Output Current Limit . . . . . . . . . . . . . . . . . . 32

5.2.3 Generator Request. . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

6 Battery Management. . . . . . . . . . . . . . . . . .35

6.1 Charge Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

6.2 Silent Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.3 Deep Discharge Protection / Battery State. . . . . . . . . . . 39

7 Frequency Shift Power Control (FSPC) . . . . .41

8 Automatic Frequency Adjustment . . . . . . . .43

9 Maintenance and Care. . . . . . . . . . . . . . . . .45

9.1 Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

9.2 Cleaning the Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

9.3 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

9.4 Functioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

9.5 Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

10 Parameter Lists . . . . . . . . . . . . . . . . . . . . . .47

10.1 Menu Structure Overview. . . . . . . . . . . . . . . . . . . . . . . 47

10.2 Displayed Measurement Values . . . . . . . . . . . . . . . . . . 49

10.3 Adjustable System Parameters . . . . . . . . . . . . . . . . . . . 51

10.4 System and Fault Messages . . . . . . . . . . . . . . . . . . . . . 53

10.5 Operation (Operation). . . . . . . . . . . . . . . . . . . . . . . . . 54

11 Troubleshooting/Problem Solving . . . . . . . .55

11.1 List of Fault Displays. . . . . . . . . . . . . . . . . . . . . . . . . . . 55

11.2 Troubleshooting FAQs . . . . . . . . . . . . . . . . . . . . . . . . . 58

Page 4 SI3324/4248-14:FE2406 User Manual

SMA Technologie AG

12 Technical Data . . . . . . . . . . . . . . . . . . . . . . .61

13 CE Declaration of Conformity . . . . . . . . . . . .63

14 Contact. . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

15 Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . .67

User Manual SI3324/4248-14:FE2406 Page 5

SMA Technologie AG

Page 6 SI3324/4248-14:FE2406 User Manual

SMA Technologie AG Notes on this Manual

1 Notes on this Manual

This installation manual is intended solely for qualified electricians. Its aim is to help
install and set up a Sunny Island 3324/4248 quickly and correctly.

For further operating information, please consult the Sunny Island 3324/4248 user
manual.

1.1 Validity

This installation manual for the Sunny Island 3324/4248 is valid for all firmware
versions up to and including 1.84/1.94.

You can call up the firmware version of your inverter by entering the "31-2 FWVers"
parameter in the Sunny Island 3324/4248 display (see section 10.4 "System and
Fault Messages" (page 53)).

This product may only be used in the intended area of application, i.e. it is only
approved for use in 50 Hz grids.

Do not use the Sunny Island 3324/4248 for purposes other than those indicated in
this installation manual. Use of the inverter for inappropriate purposes voids the
warranty.

For further questions, you can call the Sunny Island hotline at [phone].

1.2 Symbols Used

To ensure optimum use of these instructions, please note the following explanations
of symbols used.

The symbol "Warning" indicates a danger that, if ignored, can lead
to serious injury or death and can also damage the inverter.

This symbol indicates a notice.
Failure to observe the advice can cause difficulties in the current working step
and can possibly also hinder optimum operation of the inverter.

This symbol identifies an example.

Here you will find further details on the operation and behavior of the inverter.

User Manual SI3324/4248-14:FE2406 Page 7

Notes on this Manual SMA Technologie AG

Page 8 SI3324/4248-14:FE2406 User Manual

SMA Technologie AG The Sunny Island 3324/4248

2 The Sunny Island 3324/4248

2.1 General Description

The Sunny Island 3324/4248 is a bidirectional battery power converter (battery
inverter and charger), ideally suited for use in stand-alone grid operation. This
inverter allows you to charge lead acid batteries, using power sources provided on
the AC side (e.g. generator, public grid, Sunny Boy). The Sunny Island 3324/4248
creates a 230 V AC stand-alone grid using the energy stored in the batteries,
allowing stable operation of connected loads and power generation devices (e.g. PV
inverters).

Energy sources can also be connected on the DC side, as long as the specified limits
are not exceeded (see section 12 "Technical Data" (page 61)).

The Sunny Island 3324/4248 is able to control a starter contact for a generator and
automatically connect or disconnect it to an AC-grid (see section 5 "Generator
Settings" (page 29)).

The Sunny Island 3324/4248 can also switch off particular loads if the batteries do
not have sufficient electrical energy available.

The Sunny Island 3324/4248 can be used in different system configurations.
Detailed information on the different stand-alone systems can be found in the
installation manual.

User Manual SI3324/4248-14:FE2406 Page 9

The Sunny Island 3324/4248 SMA Technologie AG

The following figure provides an overview of possible system configurations:

Loads

Batteriy

temperature sensor

Battery

Fuel Cell

*)

Can

N

TBAT

DC/DC

converter

R

E
W

O
P

M
E

SYST

T

R
O
P

E
R

Y
R
O

M

E
M

M
CO

A

M
S

M

CO
T
E

N

M
O
C

B
S

U

x
o

B
y
n

b
n

e

Sunny

u

W
S

WebBox

PV x

Sunny Boy

t
l
s

n

u

s
o
i

u

a
t
l

g

F
b
h

a

e
n

r

r
e
c

u

i

th

u
e
s

r

r

l
t

r

i
p
d
e
r

a
E

E

O

B

Stö

Fa

*)

Com

Load_S

=

d
n

y

la

n

s

n

I
u
S

=

AC Output

G_Req

DC Input

Charge-

PV

controller

=

=

PV 1

Sunny Boy

t
l
s

n

u

s
o
i

u

a
t
l

g

F
b
h

a

e
n

r

r
e
c

u

i

th

u
e
s

r

r

l
t

r

i
p
d
e
r

a
E

O

E

B

Fa

Stö

AC input

G_Ready

t
l
s

n

u

s
o
i

u

a
t

l

g

F
b
a

h

e
n

r

r

e

c

u

i

th

u

e

s

r

r

l

t

r

i

p

d
e

r

a
E

B

O

E

Fa

Stö

r

e

t

h

c

i

r

l

r

e

te

s

r

y

h

0

c

ve

e

o

n

0

i
w
g

g

0

n

n
i

i

B

r

r
t

t

s
S

y

-

3

k

c
i

i

d

a

a
t

t

R

l

l

tovo

tovo
o

o
h

h

Win

P

SW

P

Windy Boy

Start

Utility

Auto

Control voltage

*) Not included in delivery

Generator

Description:

Page 10 SI3324/4248-14:FE2406 User Manual

SMA Technologie AG The Sunny Island 3324/4248

PE N L

PE N L

SHIELD

G_RUN-

SHIELD

G_RUN+

S_IN-

S_OUT-

S_IN+

S_OUT+

FAN+

TBAT2

FAN-

TBAT1

LOAD_S

G_REQ

LOAD_S

G_REQ

CTS

RXD

S_GND

TXD

Shield

CAN_H

C_GND

CAN_L

Equipment

Ground

DC-

Negative

DC-

Positive

2.2 At a Glance

The following figure provides an overview of all control elements and connections of
the Sunny Island 3324/4248 (shown with cover removed).

Equipment

Ground

M
M

M
M

DC circuit

Display
LEDs showing

inverter

MMM
M

OFF

OFF

M
M

150V
200V
S5
S7
S9
S11
S13
S15
ENS2
ENS1

ENTERESC

MMM
M

operation: red

Keys

M
M

Socket for
Piggy-Back
(communication)

M

M

M

M

FAN+

CTS

Shield

RXD

CAN_H

S_GND

C_GND

TXD

CAN_L

Additional
connections (e.g.
communication,

M

M

control relays,...)

DC-

Negative

M
M

DC-

Positive

PENL

M

M

AC-OUTPUT AC-INPUT

M
M

M
M

M
M

PENL

M
M

SHIELD

S_IN-

LOAD_S

G_RUN-

S_OUT-

G_REQ

LOAD_S

G_REQ

M
M

TBAT2

SHIELD

S_IN+

FAN-

G_RUN+

S_OUT+

TBAT1

M
M

DC and AC
grounding

DC connection

(battery)

AC output

(Load)

AC input

(generator/utility)

User Manual SI3324/4248-14:FE2406 Page 11

The Sunny Island 3324/4248 SMA Technologie AG

2.3 Accessories (optional)

The following accessories are not essential for operating a Sunny Island 3324/4248,
however they extend the range of possible applications in a stand-alone grid:

• 1 GenMan (generator manager) (SMA order number: "SI-GenMan-TFH-230")
Allows the Sunny Island 3324/4248 to control generators requiring more than a
simple start/stop (2-wire) signal for remote control.

• 1 separate load disconnecting switch for the batteries (SMA order number: "SI­BattCase.01-200" for SI4248; "SI-BattCase.01-250" for SI3324)
Allows rapid, safe isolation of the Sunny Island 3324/4248 from the connected
batteries and also provides cable protection.

• 1 service cable for data transfer (SMA order number: "USBPBS-11"-USB-Service­Interface). You also require the free "Sunny Data" software (see below).
Allows connection of a PC/laptop for communicating with the Sunny Island
3324/4248 in order to set parameters and for data read-outs.

SMA Technologie AG also offers an extensive range of products allowing you to
communicate with the Sunny Island 3324/4248, for data read-outs and much more.
Among these devices are:

• Sunny Boy Control

• Sunny Boy Control Plus

•WebBox

The "Sunny Data" and "Sunny Data Control" software, which you can use to make
settings in and read/analyze data from your inverter, can be downloaded for free
from the SMA Technologie AG website at www.SMA.de (see section 14 "Contact"
(page 65)).

2.4 SMA Products (Optional)

A stand-alone system using the Sunny Island 3324/4248 as the grid controller can
also be fed with other alternative energy sources. SMA Technologie AG offers the
following inverter products (see figure page 10):

• Sunny Boy inverters (for feeding in from PV systems): SB 700/SB 1100/
SB 1100LV/SB 1700/SB 2500/SB 2800i/SB 3000/SB 3300/SB 3800/
SMC 5000/SMC 6000/SMC 6000TL/SMC 7000TL/SMC 8000TL

Page 12 SI3324/4248-14:FE2406 User Manual

SMA Technologie AG The Sunny Island 3324/4248

• Windy Boy inverters (for feeding in from wind turbines or hydropower systems):
WB 1100/WB 1700/WB 2500/WB 2800i/WB 3000/WB 3300/WB 3800/
WB 6000

• Hydro-Boy inverters (for feeding in from fuel cell systems)

2.5 Type Plate/Firmware Version

You can identify the Sunny Island 3324/4248 from the type plate and the firmware
version.

The type plate is located on the left side of the housing (when the Sunny Island 3324/
4248 hangs vertically on the wall bracket).

You can call up the firmware version of your Sunny Island 3324/4248 under the "31­2 FWVers" parameter (see section 10.4 "System and Fault Messages" (page 53)).

User Manual SI3324/4248-14:FE2406 Page 13

The Sunny Island 3324/4248 SMA Technologie AG

Page 14 SI3324/4248-14:FE2406 User Manual

SMA Technologie AG Safety Instructions

3 Safety Instructions

3.1 Important Notes Regarding Operation

Please follow all operating and safety instructions in this manual. Failure to follow
these instructions could result in damage to the inverter and cause personal injury.
Carefully read through the safety instructions before installing and commissioning
the inverter.

Ensure that the safety instructions and manual are stored in an easily accessible
location.

Opening the inverter, and any

• electrical installation

• repair, maintenance, or

• modification

of the Sunny Island 3324/4248 may only be performed by a
qualified electrician.

Only qualified personnel may alter the settings of the Sunny Island
3324/4248. The settings are protected by the installer password.
All of the instructions in the installation manual must be observed.

Before commissioning the Sunny Island 3324/4248, read the
instructions in the relevant sections of this operating manual
regarding the Sunny Island 3324/4248 and the batteries.

When touching the inverter, please note that some parts of the
Sunny Island 3324/4248 housing heat up during operation. These
temperatures may exceed 60°C. There is a danger of burn injury.

This inverter was NOT developed to power life-sustaining medical
devices. The Sunny Island 3324/4248 may not be used in systems
where a power outage could result in personal injury.

User Manual SI3324/4248-14:FE2406 Page 15

Safety Instructions SMA Technologie AG

Life-threatening voltages and currents occur within the Sunny
Island 3324/4248. Protection against accidental contact is only
guaranteed if the following points are followed according to the
installation manual:

• the inverter is mounted correctly

• all connections to the inverter are made correctly

• the inverter is properly grounded

• the housing cover is subsequently securely closed

If you believe that any of these requirements are not fulfilled,
contact your installer immediately, as ignoring any of these points
may cause life-threatening personal injuries due to the voltages
present (electric shock) or may cause damage to parts of the
system.

Only qualified personnel may mount and install the battery and
the Sunny Island 3324/4248. Handling batteries is dangerous, e.g.
batteries can produce very high currents if they are short-circuited.
All of the safety instructions and general instructions in the
installation manual must be observed.

Use only rechargeable lead acid batteries. The use of other types
of battery can lead to personal injury and material damage.

Open flame or smoking in the vicinity of the battery is NOT
permitted under ANY CIRCUMSTANCES.

Take care to ensure that no metal parts fall onto the battery. This
could short-circuit the battery or other electrical components, which
could cause a fire or an explosion.

Ensure that the battery room is sufficiently ventilated.

The own consumption of the Sunny Island 3324/4248 discharges
the batteries, in standby mode (inverter DC disconnect is on,
inverter is in STOP mode and must be started manually) this load
is about 4 W and in idle mode (inverter is on, in invert mode, no
AC loads are present) it is about 22 W. You should take note of this
when operating the Sunny Island 3324/4248 for longer times
without recharge possibilities (e.g. in winter with snow on your
modules).

In these cases, you should set the Sunny Island 3324/4248 to Stop
mode (see section 9.3 "Switching Off" (S. 83)) and disconnect it
from the batteries via the DC circuit breaker.

Page 16 SI3324/4248-14:FE2406 User Manual

SMA Technologie AG Operation / Commisioning

4 Operation / Commisioning

Before the first commissioning of the Sunny Island 3324/4248, read this "Operation"
section and become familiar with the inverter.

4.1 Control Elements

Functions, operating modes, parameters, data and fault messages are all displayed
in the two-line display of the Sunny Island 3324/4248. Use the arrow keys (↑ ↓), the
ESC key, and the ENTER key for navigation. The individual control elements can be
seen in the figure below.

DC circuit breaker

OFF

OFF

ENTERESC

LEDs showing
inverter operation

Display

Control keys

The following table shows the key functions:

Key Function

ESC

cancel, NO response, leave current menu, stop the inverter
(hold)

↑ navigate up one menu level, increase data value
↓ navigate down one menu level, decrease data value

ENTER

select a function, select a value, confirm changes, YES
response

The DC circuit breaker switches the Sunny Island 3324/4248 on and off. Note that
all voltage sources (batteries, (stand-alone) grid, generator) must be disconnected
from the Sunny Island 3324/4248 before the inverter is free of voltage (see section

4.2 "Activation and Deactivation" (page 20)).

User Manual SI3324/4248-14:FE2406 Page 17

Operation / Commisioning SMA Technologie AG

4.1.1 Explanation of the Light-emitting Diodes (LEDs)

A red LED and a green LED are located on the front side of the Sunny Island 3324/

4248. The following table explains their meaning:

Green LED Red LED Operating mode

ON ON INIT (initialization phase)
— — Standby
ON — Operation

BLINKING —

Derating
(power reduction)

—ONFault

4.1.2 Display

Information about the Sunny Island 3324/4248 is shown on the two-line LCD display.
Two lines are always shown when navigating up and down the menus.

During normal operation, the Sunny Island 3324/4248 shows the relative output

power, the operating mode of the inverter, the generator status (e.g. "L" see section

4.6 "Generator Request" (page 26)), fault messages and the status of the load

shedding and generator control relay.

Output power/charging power

Operating mode

[¿¿¿¿¿¿¿¿¿¿¿¿ ]

Load status

Fault display

>Invert L oo E

Direction of energy

Generator status

Request Type

Page 18 SI3324/4248-14:FE2406 User Manual

Load shedding

relay status

Generator control

relay status

SMA Technologie AG Operation / Commisioning

Explanation of the energy flow direction display:

">" = DC to AC (discharging mode)
"<" = AC to DC (charging mode)

Explanation of the load status display:

"]" = Normal
">" = Overload

4.1.3 Power Display

The output power and the battery charging power of the inverter are displayed by
means of the number of boxes which appear in the upper row of the display. This is
a relative indication of the inverter's output, i.e. if the boxes extend to the middle of
the scale, this shows that the Sunny Island 3324/4248 is operating at half of its
nominal output.

4.1.4 Relay Status

In the lower right-hand corner of the green display screen appear two "O"s.

Load shedding: the left "O" indicates the status of the load shedding relay of the
Sunny Island 3324/4248. "O" stands for "Off" or "Open". If the relay closes, the "O"
is filled.

Generator Start: the "O“ on the right-hand side indicates the status of the
generator control relay in the same manner. It is closed if the Sunny Island 3324/
4248 intends to start the generator.

User Manual SI3324/4248-14:FE2406 Page 19

Operation / Commisioning SMA Technologie AG

4.2 Activation and Deactivation

4.2.1 Activation and Startup

This step assumes that the Sunny Island 3324/4248 has been
checked for

• correct connections,

•voltages and

• polarities

by your electrician, and that it has already been commissioned. If
this is not the case, have this checked by a qualified electrician!

Proceed as follows:

1. Switch on the Sunny Island 3324/4248 by switching the DC circuit breaker to

the "ON" position.

2. The Sunny Island 3324/4248 begins the

initialization phase (INIT), during which it
performs a number of self-tests to check that
there are no faults in the system.

3. You must wait for this to finish.

4. As soon as the initialization phase is finished,

the message "To start press <ENTER>" is
displayed.

5. Now press <ENTER> and the Sunny Island

3324/4248 starts up.

6. A single beep is heard. The green LED on the

control panel of the Sunny Island 3324/
4248 illuminates.

If the inverter does not display the "To start press <ENTER>" message but
displays an error message instead, this error must be corrected before the
inverter can be put into operation. For this purpose, refer to section 11
"Troubleshooting/Problem Solving" (page 55). Once all corrective measures
have been taken, switch off the Sunny Island 3324/4248, then wait for 30
seconds before starting again from point 1.

SMA SMA SMA SMA

To start

press <ENTER>

Page 20 SI3324/4248-14:FE2406 User Manual

SMA Technologie AG Operation / Commisioning

After a successful startup, a status overview
appears in the display, showing the present
operating mode and the output power (see also
figure to the right):

You can now call up the various menus using the control elements (see section 4.1
"Control Elements" (page 17)) in order to view the measurement values and the
parameter settings.

[¿__________]

Invert oo

Waiti ng

4.2.2 Stopping

Proceed as follows to set the Sunny Island 3324/4248 to standby mode:

Note that all connected loads are no longer provided with
electrical energy once you have stopped the Sunny Island 3324/

4248.

1. Switch off all loads, as far as this is possible.

2. Press and hold the "ESC" key until the "To

stop press ENTER" message appears.

3. Press "ENTER".

4. The Sunny Island 3324/4248 stops and

enters standby mode.

To stop

press <ENTER>

5. The message "To start press <ENTER>" is

displayed. The green LED on the control
panel of the Sunny Island 3324/4248 goes
out.

Note that in standby mode there is still voltage present in the
inverter (DC, AC input).

Even in standby mode, the Sunny Island 3324/4248 still requires about 4 W
of power from the battery.

To start

press <ENTER>

4.2.3 Deactivation

To switch off the Sunny Island 3324/4248, proceed as follows:

User Manual SI3324/4248-14:FE2406 Page 21

Operation / Commisioning SMA Technologie AG

1. Set the Sunny Island 3324/4248 to standby mode (see section 4.2.2 "Stopping"

(page 21)).

2. Switch the DC circuit breaker of the Sunny Island 3324/4248 to the "OFF"

position.

If anything is still shown on the display several seconds after switching the DC circuit
breaker, other voltage sources are active on the AC side.

Note that the Sunny Island 3324/4248 is securely deactivated only
once it has also been disconnected from all voltage sources on the
AC side. Otherwise, the inverter is NOT securely voltage-free. The
housing is not to be opened under any circumstances. For repair
work or maintenance, contact qualified electrician. Further
instructions can be found in the installation manual of the Sunny
Island 3324/4248.

To prevent possible errors, wait at least 30 seconds before switching the
inverter on again..

4.2.4 Restarting the Automatic Shutdown

To restart the Sunny Island 3324/4248 after it has switched off due to batteries that
are too deeply discharged, proceed as follows:

A complete shutdown indicates that one or more of the system
components have failed or are not working properly. Check the
components of the system for possible faults or incorrect
parameter settings before attemping to restart the system.

• Switch off the DC circuit breaker.

You must wait at least five minutes to allow the capacitors to
completely discharge before switching the DC circuit breaker on
again.

• After waiting 5 minutes switch the DC circuit breaker on again. The Sunny Island
3324/4248 runs through the INIT phase.

• Once the INIT phase is finished, the message "To start press ENTER" is displayed.
Press the "ENTER" key.

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SMA Technologie AG Operation / Commisioning

Once the inverter is switched on again, it is important that the batteries are
charged. If an autostart generator exists in the system, the Sunny Island 3324/
4248 will start the generator after a few minutes.

• Monitor the generator start and check that the Sunny Island 3324/4248 switches
to "CHARGE" operating mode (battery charging mode).

• Check that all other energy generators in your system are also working correctly.

If the Sunny Island 3324/4248 immediately switches off with the fault
"VBatLow" (low battery voltage) after restarting, switch off all loads connected
to the AC output. The loads can be reconnected once the Sunny Island 3324/
4248 enters the "CHARGE" operating mode. (Provided that a generator
capable of providing the required power is connected to the system.)

4.3 Menu Structure Overview

The main menu structure is divided into four different groups, each of which having
two subsequent submenus.

1. Meters: The "10-Meters" main menu has the following submenus: Sunny Island

3324/4248 measurements ("11-Inverter Meters"), battery measurements ("12­Battery Meters") and generator measurements ("13-Generator Meters").
Individual measurement values can be seen in the next two menu levels.

2. Settings: Under the main menu "20-Settings" are four different submenus

allowing various system parameters to be viewed and changed. This affects
password entry ("21-Password Settings") and all system parameters relating to
the Sunny Island 3324/4248 ("22-Inverter Settings"), the batteries ("23-Battery
Settings") and the generator ("24-Generator Settings").

3. Diagnose: Under the main menu "30-Diagnose" are two different submenus

allowing various diagnostic parameters to be viewed. These are system data
("31-System Information"), and fault messages ("32-Error Information").

4. Operation: The main menu "40-Operation" allows viewing and changing of

the operating parameters (e.g. "40-8 SunnyBoys").

Please consult section 4.1.1 "Explanation of the Light-emitting Diodes (LEDs)"
(page 18) for information describing how to set the individual parameters.

You will find a tabular list of all parameters in section 10 "Parameter Lists" (page 47).

User Manual SI3324/4248-14:FE2406 Page 23

Operation / Commisioning SMA Technologie AG

Home Screen

10 METERS

20 SETTINGS

11 Inverter Meters

12 Battery Meters

13 Generator Meters

21 Password Settings

22 Inverter Settings

23 Battery Settings

11-1 VacInverter
11-2 AmpacInverter
11-3 FacInverter
11-4 PacInverter

12-1 BatVoltage
12-2 BatCurrent
12-3 BatTemp
12-4 BatState
12-5 BatChargeMode
12-6 TabsorbLeft
12-7 BatChargeVolt

13-1 VacGenerator
13-2 AmpacGenerator
13-3 FacGenerator
13-4 PacGenerator

21-1 Level [00] *****

22-1 VacNominal

23-1 VdcBatNominal
23-2 BatType
23-3 AmpHoursBat
23-4 AmpdcBatMax

24 Generator Settings

24-1 GenControl
24-2 AmpacGenMax
24-3 GenOperation

30 DIAGNOSE

31 System Information

31-1 DeviceConfig &
31-2 FWVERS
31-3 SerNum
31-4 RunTime

32 Error Information

32-1 Last
32-2 Hist

40 OPERATION

40-1 BatChargeMode
40-2 Autostart

Page 24 SI3324/4248-14:FE2406 User Manual