VOLT POLSKA 6609 MPPT 30A Solar Regulator Instruction Manual
- June 12, 2024
- VOLT POLSKA
Table of Contents
VOLT POLSKA 6609 MPPT 30A Solar Regulator
Dear Clients,
Thanks for selecting the MPPT Solar Controller – 10A/20A/30A by VOLT POLSKA.
Please take the time to read this user manual, this will help you to make full
use of many advantages the controller can provide your solar system.
This manual gives important recommendations for installing and using and so
on. Read it carefully in your own interest and pay attention to the safety
recommendations in it please.
Safety instructions
Safety instructions and waiver of liability
Safety Instructions
The following symbols are used throughout this manual to indicate potentially
dangerous conditions or mark important safety instructions. Please take care
when meeting these symbols.
- WARNING: Indicates a potentially dangerous condition. Use extreme caution when performing this task.
- CAUTION: Indicates a critical procedure for safe and proper operation of the controller.
CAUTION:
- There are no user serviceable parts inside the controller. Do not disassemble or attempt to repair the controller.
- Keep children away from batteries and the charge controller.
Liability Exclusion
The manufacturer shall not be liable for damages, especially on the battery,
caused by use other than as intended or as mentioned in this manual or if the
recommendations of the battery manufacturer are neglected. The manufacturer
shall not be liable if there has been service or repair carried out by any
unauthorized person, unusual use, wrong installation, or bad system design.
Overview
MPPT Solar Controller isbased on an advanced maximum power point tracking (MPPT) technology developed, dedicated to the solar system, the controller conversion efficiency up to 97%.
It comes with a number of outstanding features, such as:
- Innovative Max Power Point Tracking(MPPT) technology, tracking efficiency >99%
- Full digital technology, high charge conversion efficiency up to 98%
- LCD display design, read operating data and working condition easily.
- Real-time energy statistics function.
- 12V/24V automatic recognition
- AGM. Liquid and GEL battery for selection
- External temperature sensor, automatic temperature compensation
- Built-in temperature sensor, when the temperature exceeds the set value, the charging current will lower
- down followed by the decrease of temperature, so as to control the controller’s temperature rise
- Four stages charge way: MPPT, boost, equalization, float
- With current-limiting charging mode, when the power of solar panel is over-sized and charging current
- exceeds the rated current, the controller will lower the charging power, which enables the system to work
- under the rated charging current
- Multiple load control modes: Standard, Dusk to Dawn, Timer and User-defined mode.
- Two USB interfaces (EU Series)
- Based RS-485 standard Modbus protocol, to maximize their communication needs of different occasions.
- Perfect EMC & thermal design
- Full automatic electronic protect function
MPPT
MPPT profile
The full name of the MPPT is maximum power point tracking. It is an advanced
charging way which could detect the real-time power of the solar Module and
the maximum point of the IV curve that make the highest battery charging
efficiency.
Current Boost
Under most conditions, MPPT technology will “boost” the solar charge current.
MPPT Charging : Power Into the controller (Pmax)= Power out of the controller
(Pout) lin x Vmp= lout × Vout Assuming 100% efficiency. Actually, the losses
in wiring and conversion exist.f the solar module’s maximum power voltage
(Vmp) is greater than the battery voltage, it follows that the battery current
must be proportionally greater than the solar input current so that input and
output power are balanced. The greater the difference between the Vmp and
battery voltage, the greater the current boost. Current boost can be
substantial in systems where the solar array is of a higher nominal a voltage
than the battery as described in the next section.
High Voltage Strings and Grid-Tie Modules
Another benefit of MPPT technology is the ability to charge batteries with
solar arrays of higher nominal voltages. For example, a 12 Volt battery bank
may be charged with a 12-, 24-, 36-, or 48-Volt nominal off- grid solar array.
Grid-tie solar modules may also be used as long as the solar array open
circuit voltage (Voc) rating will not exceed the maximum input voltage rating
at worst-case (coldest) module temperature.
The solar module documentation should provide Voc vs. temperature data.
Higher solar input voltage results in lower solar input current for given
input power. High voltage solar input strings allow for smaller gauge solar
wiring. This is especially helpful and economical for systems with long wiring
runs between the controller and the solar array.
An Advantage Over Traditional Controllers
Traditional controllers connect the solar module directly to the battery when
recharging. This requires that the solar module operate in a voltage range
that is usually below the module’s Vmp. In a 12 Volt system for example, the
battery voltage may range from 10.8-15 Vdc, but the module’s Vmp is typically
around 16 or 17V.
Because traditional controllers do not always operate at the Vmp of the solar
array, energy is wasted that could otherwise be used to charge the battery and
power system loads. The greater the difference between battery voltage and the
Vmp of the module, the more energy is wasted.
Nominal 12 Volt Solar Module I-V curve and output power graph.
Contrast with the traditional PW controller, MPPT controller could play a
maximum power of the solar panel so that larger charging current could be
supplied. Generally speaking, the MPPT controller’s energy utilization
efficiency is 15%~20% higher than PWM controller.
Conditions That Limit the Effectiveness of MPPT
The Vmp of a solar a module decreases as the temperature of the module
increases. In very hot weather, the Vmp may be close or even less than battery
voltage. In this situation, there will be very little or no MPPT gain compared
to traditional controllers. However, systems with modules of higher nominal
voltage than the battery bank will always have an array Vmp greater than
battery voltage. Additionally, the savings in wiring due to reduced solar
current make MPPT worthwhile even in hot climates.
MPPT-Four Charging Stage
MPPT Solar Controllerhas a 4-stage battery charging algorithm for rapid,
efficient, and safe battery charging.
MPPT Charge
In this stage, the battery voltage has not yet reached boost voltage and 100%
of available solar power iS used to recharge the battery.
Boost Charge
When the battery has recharged to the Boost voltage setpoint, constant-voltage
regulation is used to prevent heating and excessive battery gassing. The Boost
stage remains 120 minutes and then goes to Float Charge. Every time when the
controller is powered on, if it detects neither over discharged nor
overvoltage, the charging will enter into boost charging stage.
Float Charge
After the Boost voltage stage, the controller will reduce the battery voltage
to Float voltage setpoint. When the battery is fully recharged, there will be
no more chemical reactions and all the charge current transmits into heat and
gas at this time. Then the controller reduces the voltage to the floating
stage, charging with a smaller voltage and current. It will reduce the
temperature of battery and prevent the gassing, also charging the battery
slightly at the same time. The purpose of Float stage is to offset the power
consumption caused by self consumption and small loads in the whole system,
while maintaining full battery storage capacity.
In Float stage, loads can continue to draw power from the battery. In the
event that the system load(s) exceed the solar charge current, the controller
will no longer be able to maintain the battery at the Float setpoint. Should
the battery voltage remains below the boost reconnect charging voltage, the
controller will exit Float stage and return to Bulk charging.
Equalize Charge
Certain types of batteries benefit from periodic equalizing charge, which can
stir the electrolyte, balance battery voltage and complete chemical reaction.
Equalizing charge increases the battery voltage, higher than the standard
complement voltage, which gasifies the battery electrolyte. If it detects that
the battery is being over discharged, the solar controller will automatically
turn the battery to equalization charging stage, and the equalization charging
will be 120mins. Equalizing charge and boost charge are not carried out
constantly in a full charge process to avoid too much gas precipitation or
overheating of battery.
WARNING: Risk of explosion!
Equalizing flooded battery can produce explosive gases, so well ventilation of
battery box is necessary.
Dimensions
The dimensions of SOL MPPT 10A
The dimensions of SOL MPPT 20A
The dimensions of SOL MPPT 30A
Structure & Accessory
Structure & Characteristics of SOL MPPT 10A
-
Heat Sink
- dissipate controller heat
-
Plastic Case
- Internal protection
-
OLCD
- Display settings and operating status, system parameters
-
Key: MENU. OK
Set and view the operating parameters -
Temperature Sensor Port
- Collect temperature information, Temperature compensation.
-
Two USB interfaces
- Output 5V, 2A
-
Load Terminals
- Connected load.
-
Battery Terminals
- Connect the battery.
-
Solar module terminals
- Connected solar modules.
Structure & Characteristics of SOL MPPT 20A
-
Heat Sink
- dissipate controller heat
-
Plastic Case
- Internal protection
-
LCD
- Display settings and operating status, system parameters
-
Key: MENU, OK
Set and view the operating parameters -
RJ11 interface
- Connecting monitoring devices
-
Temperature Sensor Port
- Collect temperature information, Temperature compensation.
-
Load Terminals
- Connected load.
-
Battery Terminals
- Connect the battery.
-
Solar module terminals
- Connected solar modules.
Structure & Characteristics of SOL MPPT 30A
- THeat Sink
- dissipate controller heat
- Plastic Case
- Internal protection
- LCD
- Display settings and operating status, system parameters
- Key: MENU. OK
- Set and view the operating parameters
- SRJ11 interface
- Connecting monitoring devices
- Temperature Sensor Port
- Collect temperature information, Temperature compensation.
- Load Terminals
- Connected load.
- Battery Terminals
- Connect the battery.
- Solar module terminals
- Connected solar modules.
Temperature Sensor
To collect battery temperature data for temperature compensation so the
controller can charge the battery. The temperature sensor connected via
interface l f the external temperature sensor is not connected or damaged, the
default environment temperature of the controller is 25°C, and the temperature
compensation is not carried out when charging.
Installation
CAUTION: Please read all instructions and precautions in the manual before installing! It is recommended to remove the acrylic protective film covering the LCD screen before installation.
Installation Notes
- The solar charge controller may only be used in PV systems in accordance with this user manual and the specifications of other modules manufacturers. No energy source other than a solar generator may be connected to the solar charge controller.
- Before wiring installation and adjustment of controller, Always disconnect the solar modules and insurance or circuit breaker of battery terminal.
- Only to comply with the range of the battery charge controller.
- Batteries store a large amount of energy, never short circuit a battery under all circumstances. We strongly recommend connecting a fuse directly to the battery to avoid any short circuit at the battery wiring.
- Batteries can produce flammable gases. Avoid making sparks, using fire or any naked flame. Make sure that the or battery room is ventilated.
- Uses insulated tools and avoid placing metal objects near the batteries.
- Be very careful when working with batteries. Wear eye protection. Have fresh water available to wash and clean any contact with battery acid.
- Avoid touching or short circuiting wires or terminals. Be aware that the voltages on special terminals or wires can be as much as twice the battery voltage. Use isolated tools, stand on dry ground, and keep your hands dry.
- Prevent water from entering the internal controller, outdoor installation should avoid direct sunlight and rain penetration.
- After installation check that all connections are tight line, avoid heat accumulation caused by virtual access danger.
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 on a non-flammable substrate. Maintain a minimum clearance
of 15cm below and around the device to ensure unhindered air circulation.
Mount the solar charge controller as close as possible to the batteries.
Mark the position of the solar charge controller fastening holes on the wall,
drill 4 holes and insert dowels, fasten the solar charge controller to the
wall with the cable openings facing downwards.
Connection
We strongly recommend connecting a fuse directly to the battery to protect any
short circuit at the battery wiring. Solar PV modules create current whenever
light strikes them. The current created varies with the light intensity, but
even in the case of low levels of light, full voltage is given by the modules.
So, protect the solar modules from incident light during installation. Never
touch uninsulated cable ends, use only insulated tools, and make sure that the
wire diameter is in accordance with the expected currents of solar charge
controller. Connections must always be made in the sequence described below.
1st step: Connect the battery
Connect the battery connection cable with the correct polarity to the middle
pair of terminals on the solar charge controller (with the battery symbol). If
the system is 12V, please make sure that the battery voltage is within
10V~15V, else if the system is 24V, the battery voltage should between
20V~30V. If the polarity is correct, the LCD on the controller will begin to
show.
2nd step: Connect the solar module
Ensure that the solar module is protected from incident light. Ensure that the
solar module does not exceed the maximum permissible input current. Connect
the solar module connection cable to the correct polarity of the left pair of
terminals on the solar charge controller (with the solar module symbol).
3rd step: Connect loads
Connect the load cable to the correct polarity of the right pair of terminals
on the solar charge controller (with the lamp symbol). To avoid any voltage on
the wires, please connect the wire to the load before connect to the
controller.
4th step: Final work
Tighten all cables connected to the controller and remove all the debris
around the controller (leaving a space of approx. 15 cm).
Grounding
Be aware that the negative terminals of Solar PV are connected together and
therefore have the same electrical potential. If any grounding is required,
always do this on the negative wires.
Operation
LCD Display
Status Description
PV array charge ampere hours and load ampere hours are off after power failure.
The interface automatically cycles
OCR request timed out
Fault indication
Key function
USB interface
Solar PV series have two USB interfaces, maximum output of single iS USB is 5V
1.5A, maximum output of two of USB is 5V 2A, for charging mobile phones and
other smart devices. The USB stops output only when the controller is in low
voltage protection.
Parameters setting
When the icon appears in the display interface, it means that the parameters
can be set. Long press the MENU key for 1s, then icon flashes, press OK to
change the parameter.
Low voltage protection and reconnect
Test Function(Street lamp mode)
When the controller is working in the street lamp mode, press the MENU key for
3 seconds to turn on the load. Press the MENU key again or the load turns off
automatically after 1 minute. If the controller is operating in 24H output
mode, the test function does not work.
User-defined mode
When the controller is set to user-defined mode, the load is turned on by
default. Short press the MENU key, the load will be turned off, press the MENU
key again, the load will be turned on.
Note:
- If the controller turns off the load due to low voltage protection, overcurrent protection, short-circuit protection or over temperature protection, the load will turn on automatically when the controller recoverys from protection state,.
- Please note: Pushing the MENU button can still activate the function of the key, even during of the above four kinds protection states.
Protections, Troubleshooting and maintenance
Protection
-
PV Over Current
The controller will limit charging power in rated charge power. An over-sized PV array will not operate at maximum power point. -
PV Short Circuit
When PV short circuit occurs, the controller will stop charging. Remove it to start normal operation. -
PV Reverse Polarity
Fully protection against PV reverse polarity, no damage to the controller. Correct the connection to start normal operation. -
Battery Reverse Polarity
Fully protection against battery reverse polarity, no damage to the controller.
Correct the connection to start normal operation. -
Battery Over voltage
If there are other energy sources to charge the battery, when the battery voltage exceeds 15.5 / 31.0V, the controller will stop charging to protect the battery from overcharging damage. -
Battery Over discharge
When battery voltage drops to the setting voltage point of Low Voltage Disconnect , the controller will stop discharging to protect the battery from over discharging damage. -
Load Over Current Protection
If the load current exceeds the maximum load current rating 1.25 times, the controller will disconnect the load. -
Load Short Circuit Protection
Once the load short circuit happens, the load short circuit protection will start automatically. -
Over Temperature Protection
The controller detects the internal temperature through internal sensor, when the temperature exceeds the setting value, the charging current will lower down followed by the decrease of temperature, so as to control the controller’s temperature rise; when the internal temperature exceeds the setting value, the controller stops working and restores after the temperature is lowered -
Damaged Remote Temperature Sensor
If the temperature sensor is short-circuited or damaged, the controller will be charging or discharging at the default temperature 25°C to prevent the battery damaged from overcharging or over discharged.
Troubleshooting
Maintenance
The following inspections and maintenance tasks are recommended at least two
times per year for best performance.
-
Make sure no block on air-flow around the controller. Clear up any dirt and fragments on radiator.
Check all the naked wires to make sure insulation is not damaged. Repair or replace some wires if necessary. -
Tighten all the terminals. Inspect for loose, broken, or burnt wire connections.
-
Check and confirm that LCD is consistent with required. Pay attention to any troubleshooting or error indication. Take corrective action if necessary.
-
Confirm that all the system components are ground connected tightly and correctly.
-
Confirm that all the terminals have no corrosion, insulation damaged, high temperature or burnt/discolored sign, tighten terminal screws to the suggested torque.
-
Check for dirt, nesting insects and corrosion. If so, clear up in time.
WARNING: Risk of electric shock!
Make sure that all the power is turned off before above operations, and then
follow the corresponding inspections and operations.
Technical Data
Technical data of SOL MPPT 10/20/30A
- This value represents the maximum voltage of the solar panel at the minimum operating ambient temperature.
- Voc means the open circuit voltage of the solar panel.
- Around oblique line value separately on behalf of 12V and 24V system’s value.
WARRANTY CARD
- DATE OF PURCHASE
- SHIPPING ADDRESS
- SIGNATURE / STAMP
- DAMAGE DESCRIPTION
- SERVICE COMMENTS
FILL IN IF NEEDEED
() Cross incorrect
I agree to pay the cost of inverter repair due to: expiration of the
warranty period / * warranty void
Before proceeding with the repair, service will inform by phone about the
exact costs of the repair.
Please attach a copy of the purchase document (receipt or invoice) to the
complaint.
References
Read User Manual Online (PDF format)
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