Steca Solarix MPPT 1010 Manuel utilisateur
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Installation and
operating instructions
Solar charge controller
Solarix MPPT 1010 and 2010
730927 | Z04 | 1440
EN
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Contents
1. About these instructions ...................................................................3
1.1 Applicability............................................................................................3
1.2 Users.......................................................................................................3
1.3. Description of symbols ...........................................................................3
2. Safety .................................................................................................3
2.1 Proper usage...........................................................................................3
2.2 Improper usage ......................................................................................3
2.3 General safety instructions .....................................................................4
2.4 Other risks ..............................................................................................4
2.5 Behaviour in the case of faults ...............................................................4
3. Description.........................................................................................5
3.1 Functions ................................................................................................5
3.2 Structure.................................................................................................6
3.3 LED displays............................................................................................7
4. Installation .........................................................................................7
4.1. Mounting the solar charge controller.....................................................8
4.2 Connection ..........................................................................8-9-10-11-12
5. Operation .........................................................................................12
6. Options.............................................................................................13
7. Maintenance ....................................................................................13
8. Faults and remedies......................................................... 13-14-15-16
9. Technical data ..................................................................................17
10. Legal guarantee ...............................................................................18
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1. About these instructions
These operating instructions are part of the product.
XRead these operating instructions carefully before use,
Xkeep them over the entire lifetime of the product,
Xand pass them on to any future owner or user of this product.
1.1 Applicability
This manual describes the installation, function, operation and maintenance of
the solar charge controller.
Further technical information is provided in a separate technical manual.
1.2 Users
These operating instructions are intended for end customers. A technical expert
must be consulted in cases of uncertainty.
1.3. Description of symbols
Safety instructions are identified as follows:
SIGNAL WORD
Type, source and consequences of the danger!
XMeasures for avoiding danger
Instructions relating to the functional safety of the system are in bold type.
2. Safety
2.1 Proper usage
The solar charge controller may only be used in PV systems for charging and
controlling lead-acid batteries with liquid or solid electrolyte in accordance
with these operating instructions and the charging specifications of the battery
manufacturer.
2.2 Improper usage
No energy source other than a solar generator may be connected to the solar
charge controller. No mains devices, diesel generators or wind generators may
be connected.
Do not connect any defective or damaged measuring equipment.
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2.3 General safety instructions
XFollow the general and national safety and accident prevention regulations.
XNever alter or remove the factory plates and identification labels.
XKeep children away from PV systems.
XNever open the device.
2.4 Other risks
Danger of fire and explosion
XDo not use the solar charge controller in dusty environments, in the vicinity
of solvents or where inflammable gases and vapours can occur.
XNo open fires, flames or sparks in the vicinity of the batteries.
XEnsure that the room is adequately ventilated.
XCheck the charging process regularly.
XFollow the charging instructions of the battery manufacturer.
Battery acid
XAcid splashes on skin or clothing should be immediately treated with soap
suds and rinsed with plenty of water.
XIf acid splashes into the eyes, immediately rinse with plenty of water. Seek
medical advice.
2.5 Behaviour in the case of faults
Operating the solar charge controller is dangerous in the following situations:
• The solar charge controller does not appear to function at all.
• The solar charge controller or connected cables are visibly damaged.
• Emission of smoke or fluid penetration.
• When parts are loose.
XIn these cases immediately remove the solar charge controller from the bat-
tery and solar module.
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3. Description
3.1 Functions
The solar charge controller
• monitors the battery voltage,
• controls the charging process,
• controls the connection/disconnection of loads connected to the load output.
This optimises battery use and significantly extends its service life.
A battery charging algorithm protects the battery from harmful states. Activa-
tion of the three deep discharge functions (LVW, LVD and LVR) is dependent
upon the battery voltage.
3.1.1 MPP tracking
This solar charge controller meets the latest technological standards since it is
equipped with an optimal MPP tracking algorithm and thus can use at all times
the maximum available output of the solar module. You will find more detailed
documentation about MPP tracking in the technical manual; which can be ac-
cessed at www.stecasolar.com.
3.1.2 What is MPP tracking (MPPT)?
MPPT stands for "Maximum Power Point Tracking". This describes a process by
means of which the solar module is always operated at the point of maximum
possible power. Because the point the maximum power can vary depending
on the operating mode and the local conditions, and because it changes in the
course of the day, the term "tracking" is used, i.e. the tracking of this point.
3.1.3 When should charge controllers with MPP tracking
be used?
10 20 30 40 50 60 70 80 90 100 110 120
konv. Laderegler
MPPT
UBat
Umpp
Uoc
Solarzellen
10 20 30 40 50 60 70 80 90 100 110 120
konv. Laderegler
MPPT
UBat
Umpp
Uoc
Solarzellen
0
Charge controllers with MPP trackers can be used for a wider range of modules
than those without MPPT. With an MPP tracker one is no longer dependent on
Number of solar cells
UOC
Umpp
UBat
MPPT
Standard charge
controller
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the module voltage and string size. The module voltage can deviate signifi-
cantly from the battery voltage.
3.1.4 Notes on choosing suitable solar modules
This solar charge controller has a maximum input voltage of 100 V. If this is
exceeded even for a short time by the connected solar module, the solar charge
controller will be damaged beyond repair and can never be used again. This will
NOT constitute a guarantee claim, the charge controller must then be replaced
at the customer's expense.
The essential value for choosing a solar module is the open circuit voltage
(U_oc). The open circuit voltage of the solar module is dependent on the ambi-
ent temperature. Information on the open circuit voltage of the solar module
and on temperature dependence can be found in the data sheet of the solar
module. The lower the ambient temperature, the higher the open circuit volt-
age of the solar module.
The open circuit voltage at -20 C may not exceed the maximum input voltage.
CAUTION
XIf an open circuit voltage of more than 100 V is supplied to the connected solar
module, the controller will be destroyed. When selecting the solar module, it
is important to bear in mind that the open circuit voltage should never exceed
100 V over the entire working temperature range.
XWhen using solar modules with a maximum open circuit voltage of between
75 and 100 V (over the entire temperature range), all installation steps must be
carried in accordance with protection class II.
3.2 Structure
1
2
345
The solar charge controller consists
of the following components:
1. Info LED
2. 4 LEDs for displaying the state of
charge (red, yellow, green 1 and
green 2)
3. Terminal block for connecting
the solar module
4. Terminal block for connecting
the battery
5. Terminal block for connecting
the loads
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3.3 LED displays
LED Status Meaning
Info LED illuminates
green
normal operation
flashes red a fault exists (see "Faults and remedies")
Red LED flashes quickly battery empty
when the battery continues to be discharged
the deep-discharge deactivation is triggered
flashes deep-discharge deactivation
Yellow LED illuminates battery weak
flashes switch-on threshold after deep-discharge deacti-
vation has not yet been reached
1. green LED illuminates battery good
2. green LED illuminates battery full
flashes quickly battery full, charge regulation active,
i.e. charging current reduced
4. Installation
WARNING
Danger of explosion from sparking! Danger of electric shock!
Solar modules generate electricity under incident light. The full voltage is pre-
sent, even when the incident light levels are low.
XThe solar charge controller may only be connected to the local loads and the
battery by trained personnel and in accordance with the applicable regulations.
XFollow the installation and operating instructions for all components of the
PV system.
XEnsure that no cables are damaged.
XAt a voltage of > 75 V, particularly with regard to module open circuit volt-
age (over the entire temperature range), the entire solar energy system must
be installed with protection class II.
XProtect the solar modules from incident light during installation, e.g. cover
them.
XNever touch uninsulated cable ends.
XUse only insulated tools.
XEnsure that all loads to be connected are switched off. If necessary, remove
the fuse.
XConnections must always be made in the sequence described below (see
4.2.2).
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4.1. Mounting the solar charge controller
4.1.1 Mounting location requirements
• Do not mount the solar charge controller outdoors or in wet rooms.
• Do not subject the solar charge controller to direct sunshine or other sources
of heat.
• Protect the solar charge controller from dirt and moisture.
• Mount upright on the wall (concrete) on a non-flammable substrate.
• Maintain a minimum clearance of 10 cm below and around the device to
ensure unhindered air circulation.
• Mount the solar charge controller as close as possible to the batteries (with a
safety clearance of at least 30 cm).
4.1.2 Fastening the solar charge controller
XMark the position of the solar charge controller fastening holes on the wall.
XDrill 4 Ø 6 mm holes and insert dowels.
XFasten the solar charge controller to the wall with the cable openings facing
downwards, using 4 oval head screws M4x40 (DIN 7996).
4.2 Connection
4.2.1 Preparing the wiring
The cross section of the connection cables must be suitable for the currents which
occur.
Modulstrom Batteriestrom Laststrom Querschnitt AWG Isolation
18 A 20 A 10 A 10 mm28 85°C
The table above applies to the following cable lengths:
• 10 m solar module connection cable
• 2 m battery connection cable
• 5 m load connection cable
Consult a dealer if the specified cable lengths are inadequate.
An additional 30 A external fuse (not provided) must be connected to the
battery connection cable, close to the battery pole.
The external fuse prevents dangerous situations due to cable short circuits.
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4.2.2 Connection
213
WARNING
Danger of explosion from sparking! Danger of electric shock!
XAt a voltage of > 75 V, particularly with regard to module open circuit volt-
age (over the entire temperature range), the entire solar energy system must
be installed with protection class II.
1st step: connect the battery
CAUTION
XThe device will be destroyed if the battery is connected with the wrong polarity.
XLabel the battery connection cables as a plus cable (A+) and a
minus cable (A–).
XLay the battery cables in parallel between the solar charge
controller and the battery.
XConnect the battery connection cable with the correct polarity to the middle
pair of terminals
on the solar charge controller (with the battery symbol).
XConnect battery connection cable A+ to the positive pole of the battery.
XConnect battery connection cable A– to the negative pole of the battery.
XIf the connection polarity is correct, the info LED illuminates green.
XIf necessary, remove any external fuse.
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2nd step: connect the solar module
CAUTION
XThe connected modules may not exceed an open circuit voltage (VOC) of 100
V, even at extremely low temperatures.
XEnsure that the solar module is protected from incident light.
XEnsure that the solar module does not exceed the maximum
permissible input current.
XLabel the solar module connection cables as a plus cable (M+)
and a minus cable (M–).
XLay both solar module connection cables in parallel between the solar mod-
ule and the solar charge controller.
XFirst connect the M+ solar module connection cable to the correct pole
of the left pair of terminals on the solar charge controller (with the solar
module symbol), then connect the M– cable.
XRemove the covering from the solar module.
3rd step: connect loads
WARNING
Danger of explosion from sparking! Danger of electric shock!
XAt a voltage of > 75 V, particularly with regard to module open circuit volt-
age (over the entire temperature range), the entire solar energy system must
be installed with protection class II.
Notes
• Connect loads that must not be deactivated by the solar charge
controller deep discharge protection, e.g. emergency lights or
radio connection, directly to the battery.
• Loads with a higher current consumption than the device
output can be directly connected to the battery.
However, the solar charge controller deep discharge protection will no longer
intervene. Loads connected in this manner must also be separately fused. Loads
of this type can also be reliably connected via an additional output relay (e.g.
Steca PA EV 200 A).
XLabel the load connection cables as a plus cable (L+) and a minus cable (L–).
XLay the load connection cables in parallel between the solar charge control-
ler and the load.
Ce manuel convient aux modèles suivants
1
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