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Product Description
UTL 12V/24V 40A SMU (Solar Management Unit) converts your normal/existing inverter into a solar inverter. It is capable of charging a battery that has gone into deep discharge condition.
UTL’s Solar Management Unit (SMU) is extremely reliable device and has a long operational life. This SMU has over charging voltage, over charging current, under voltage, battery reverse polarity protection, solar reverse polarity protection, reverse current flow (from battery to solar array), and over temperature protection.
Useful Tips:
Read the manual or instructions before installing the SMU.
Installation and wiring must be done carefully by a qualified person.
Avoid touching the connections while the SMU is in operational mode.
Do not install the SMU on flammable construction materials.
To avoid short-circuits and overheating, ensure that the wires are tightly connected.
High Speed Micro-Controller + Solar Prioritization
Equipped with high speed and high performance micro controller. This latest technology micro controller will improve the system’s efficiency. The compact design and wall mounting structure makes it better compare to similar available alternatives in the market.
This SMU prioritize solar power over grid power. It only uses grid power when solar power is insufficient to meet all of your energy needs.
Digital Display
UTL 12V/24V 40A SMU comes with LCD display for easy monitoring of dynamic data/figures and operating status.
It displays the data in the digital format. Now you can see, compare and analyse your savings in Rs. and Units.
Single/Double Auto Battery Selection
The SMU has an automatic voltage selection feature and can therefore work with either one or two solar batteries. It automatically detects 12V and 24V panels and adjusts its performance accordingly.
It prevents your battery from being overcharge and deep discharge. This PWM technology based Solar Management Unit utilizes four stage battery charging algorithm to extend battery life.
Support 12V & 24V Solar Panels
This SMU can work with both 12V and 24V solar panels. But it requires 12V panels to operate on a single 12V inverter-battery and 24V panels to operate on two 12V (total 24V) inverter-batteries.
Odd/Unusual combinations like 12V panels with two inverter-batteries or 24V panels with a single 12V inverter-battery will not work.
The three-pin plug slot on the side is only for grid-to-inverter bypass. It will bypass the grid electricity when solar power is unavailable. So don’t get confused and don’t use this point for AC power output connections.
PLEASE NOTE: This product is not a solar inverter. It is a solar management unit/solar charge controller that is used with existing inverter battery.
Technical Specifications
System Operating Voltage
12V/24V DC (12V Solar Panel With 12V Battery & 24V Solar Panel With 24V Battery)
Solar Modules Size (Max.)
12V, 40A: Upto 500W | 24V, 40A: Upto 1000W
Max Solar Current
40A
Nominal Grid Voltage
230V AC
Battery Charging Regulation
4 stage PWM (Bulk/Absorption/Float/Equalize)
Display Parameters
Batt. Voltage, Batt. Current, Batt. Type, Solar Voltage, Solar Current, Mode Selection, Saving: kWh, Mains Present, Low, high, absent, Max. PV Current
Protections
Batt. Reverse Polarity, Batt. Reverse Current, Over Current of SPV, Solar High Voltage, SPV Reserve Polarity, Load Short Circuit through AC Fuse, Solar Low Voltage, Over Temperature
Operating Temperature
0°C to 50°C
Fixing
Wall Mounted
Dimension (LXWXH) cm
22.86 X 15.24 X 7.62
【Solar Panel Configuration】Compatible with both 12V and 24V solar panels. It has automatic voltage selection feature. Solar panels can be installed as: 12V, 40A: Upto 500W | 24V, 40A: Upto 1000W.
【In-Built Protection for Battery Under/Over-Charge】With 200Ah max. battery capacity, it uses four stages PWM regulation method to charge the battery i.e. Boost, Absorption, Float and Equalization. This feature prevents the battery from being overcharged.
【Prioritize Solar Power over Grid Power】This 12/24V 40A SMU prioritizes the use of solar power over grid power in order to reduce grid consumption. It uses grid power only when it is insufficient to meet the load requirement.
【Wide Operating Temperature】This 40A SMU can be operated in harsh environment conditions. It can be used in temperatures ranging from 0°C to 50°C. Furthermore, it has wall mounted fixing and can be installed at small spaces due to its compact size and light weight.
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