solarV VS1024AU Solar Charge Controller PWM VS-AU Series User Manual

User Manual
Solar Charge Controller PWM VS-AU Serie

Model:
VS1024AU
VS2024AU
VS3024AU
VS4524AU
VS6024AU
VS6048AU

※ Thank you for selecting the ViewStar AU series, solar charge controller. Please read this manual carefully before using the product.
ViewStar AU series solar charge controller

Overview

Thank you for selecting the ViewStar AU series, a common positive solar charge controller. The VS-AU controller is a PWM charge controller with a built-in LCD display that adopts the most advanced digital technique. The multiple load control modes enable it can be widely used on a solar home systems, traffic signals, solar street lights, solar garden lamps, etc. The features are listed below:

• Adopt high-quality components of ST, IR, and Infineon, make sure the product uses a lifespan
• Terminals have UL and VDE certification, the product is safer and more reliable
• A controller can work continuously at full load within the environment temperature range from -25 to 55 °C
• 3-Stage Intelligent PWM charging: Bulk, Boost/Equalize, Float
• Support 3 charging options: Sealed, Gel, and Flooded
• LCD display design dynamically displays the device’s operating data and working condition
• Double USB design, the power supply charge for electronic equipment
• With humanized button settings, the operation will be more comfortable and convenient
• Multiple load control modes
• Energy statistics function
• Battery temperature compensation function
• Extensive Electronic protection

Product Features

※ USB output ports provide the power supply of 5VDC/2.4A and have short circuit protection.

Optional Accessory:
Name: Remote Temperature Sensor
Model : RTS300R47K3.81A
Acquisition of battery temperature for undertaking temperature compensation of control parameters, the standard length of the cable is 3m (length can be customized). The RTS300R47K3.81A connects to port 0 on the controller.
NOTE: Unplug the RTS, the temperature of the battery will be set to a fixed value of 25°C.

 Wiring

(1) Connect components to the charge controller in the sequence as shown above and pay much attention to the “+” and “-“. Please don’t insert the fuse or turn on the breaker during the installation. When disconnecting the system, the order will be reserved.
(2)After powering on the controller, check the LCD. Otherwise please refer to chapter 6.Always connect the battery first, in order to allow the controller to recognize the system voltage.
(3)The battery fuse should be installed as close to the battery as possible. The suggested distance is within 150mm.
(4) The VS AU series is a positive ground controller. Any positive connection of solar, load, or battery can be earth grounded as required.

| NOTE: Please connect the inverter or other load that has a large start current to the battery rather than to the controller if the inverter or other load is necessary.
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Operation

4.1 Button Function

• Browse interface
• Setting parameter

SET button|

• Load ON/OFF
• Clear error
• Enter into Set Mode
• Save data

4.2 LCD Display

➢ Status Description

➢ Browse interface

NOTE:
1 ) When no operation, the interface will be an automatic cycle, but the following two interfaces not be displayed.

2. Accumulative power zero clearing: Under the PV power interface, press the SET button and hold on 5s then the value blink, press the SET button again to clear the value. 3) Setting temperature unit: Under the battery temperature interface, press the SET button and hold on 5s to switch.
   > Fault Indication

fault icon blink
Battery over voltage| | Battery level shows full, battery frame blink, fault icon blink
Battery Overheating| | Battery level shows current value, battery frame blink, fault icon blink
---|---|---
Load failure| | Load overload1, Load short circuit

1 When loading current reaches1.02-1.05 times 1.05-1.25 times, 1.25-1.35 times, and 1.35-1.5 times more than nominal value, the controller will automatically turn offloads in the 50s, 30s,10s, and 2s respectively
4.3 Load mode setting
Operating Steps: Under the load mode-setting interface, press the SET button and hold on 5s till the number begin flashing, then press the MENU button to set the parameter, press the SET button to confirm.

| Timer 1| | Timer 2
---|---|---|---
Light ON/OFF| Disabled
Load will be on for 1 hour since sunset| Load will be on for 1 hour before sunrise
Load will be on for 2 hours since sunset| Load will be on for 2 hours before sunrise
Load will be on for 3-13 hours since sunset| Load will be on for 3-13 hours before sunrise
Load will be on for 14 hours since sunset| Load will be on for 14 hours before sunrise
Load will be on for 15 hours since sunset| Load will be on for 15 hours before sunrise
Test mode| Disabled
Manual mode(Default load ON)| Disabled

NOTE: Please set Light ON/OFF, Test mode, and Manual mode via Timerl. Timer2 will be disabled and display “2 n”.
4.4 Battery Type
Operating Steps
Under the Battery Voltage interface, press SET button and hold on 5s then enter into the interface of Battery typesetting. After choosing the battery type by pressing the MENU button, waiting for 5s, or pressing the SET button again to modify successfully.

Protections

reversed.
Battery Over Voltage| The battery voltage reaches the OVD| Stop charging
Battery Over Discharge| The battery voltage reaches the LVD| Stop discharging
Battery Overheating| Temperature sensor is higher than 65°C| Output is OFF
Temperature sensor is less than 55°C| Output is ON
Controller Overheating| Temperature sensor is higher than 85°C| Output is OFF
---|---|---
Temperature sensor is less than 75°C| Output is ON
Load Short Circuit| Load current? 2.5 times rated current One short circuit, the output is OFF 5s; Two short circuits, the output is OFF 10s: Three short circuit, the output is OFF 15s; Four short circuits, the output is OFF 20s; Five short circuits, the output is OFF 25s: Six short circuits, the output is OFF| Output is OFF Clear the fault: Restart the controller or wait for one night-day cycle (night time>3 hours).
Load Overload| Load current a2.5 times rated current 1.02-1.05 times, the 50s, 1.05-1.25 times, the 30s 1.25-1.35 times,10s 1.35-1.5 times 2s or wait for one night-day cycle| Output is OFF  Clear the fault: Restart the controller (night time>3 hours).
Damaged RTS| The RTS is short-circuited or damaged| Charging or discharging at 25°C

Troubleshooting

Wire connection   is correct,  LCD not
display| 1)  Battery voltage is lower than 9V
2)  PV voltage is less than battery voltage| 1)    Please check the voltage of the battery. At least 9V voltage to
activate the controller2)    Check the PV input voltage which  should     be higher   than
battery’s
Interface blink| Battery over voltage| Check if the battery voltage is higher than OVD point (over-voltage disconnect voltage), and disconnect the PV.
Interface blink| Battery over-discharged| When   the    battery   voltage is restored to or above the LVR point (low voltage reconnect voltage), the load will recover
Interface blink| Battery Overheating| The controller will automatically turn the system off. But while the temperature decline to be below 50 °C, the controller will resume.
Interface blink| Overload or Short circuit| Please reduce the number of electric equipment or check carefully the loads connection.

Disclaimer

This warranty does not apply under the following conditions:

1. Damage from improper use or use in an unsuitable environment.
2. PV or load current, voltage, or power exceeding the rated value of the controller.
3. The controller’s working temperature exceeds the limited working environment temperature.
4. User disassembly or attempted repair of the controller without permission.
5. The controller is damaged due to natural elements such as lighting.
6. The controller is damaged during transportation and shipment.

Technical Specifications

Item| VS1024AU| I     VS2024AU| I| VS3024AU| VS3048AU| VS4524AU| VS4548AU| VS6024AU| VS6048AU
---|---|---|---|---|---|---|---|---|---
Nominal system voltage| 12/24VDC
Auto| | 12/24/36/48VDC
Auto| 12/24VDC
Auto| 12/24/36/48VDC
Auto| 12/24VDC
Auto| 12/24/36/48VDC
Auto
Battery input voltage range| 9V-32V| | 9V-64V| 9V-32V| 9V-64V| 9V-32V| 9V-64V
Rated charge/discharge current| 10A©55°C;| I     20A@55°C| I| 30A@55°C;| 45A@55°C| 60A@55°C
Max. PV open circuit voltage| 50V| 96V| 50V 96V| 50V                                  96V
Battery type| | Sealed(Default) / Gel / Flooded
Equalize Charging Voltage| | Sealed:14.6V/ Gel: No/ Flooded:14.8V
Boost Charging Voltage| | Sealed:14.4V/ Ge1:14.2V/ Flooded:14.6V
Float Charging Voltage| | Sealed/Gel/Flooded:13.8V
Low Voltage Reconnect Voltage| | Sealed/Gel/Flooded:12.6V
Low Voltage Disconnect Voltage*| | Sealed/Gel/Flooded:11.1V
Self-consumption| | s9.2mA/12V;s11.7mA/24V; s.14.5mA/36V;s17mA/48V
Temperature compensation coefficient| | -3mV/t/2V (25°C )
Charge circuit voltage drop| | s0.29V
Discharge circuit voltage drop| | 50.16V
LCD temperature range| | -20t —+7Ot
Working environment temperature| | -25°C —+55’C (Product can work continuously at full load)
Relative humidity| | 595%, N.C.
Enclosure| | IP30
Grounding| | Common Positive
USB output| | 5VDC/2.4A(Total)
Overall dimension| 142x85x41.5mm| 160×94.9×49.3mm| | 181×100.9×59.8mm| 194×118.4×63.8mm| 214×128.7×72.2mm
Mounting dimension| 130x6Omm| 148x70mm| | 172x80mm| 185x9Omm| 205x100mm
Mounting hole size| 04.5mm| | 05mm| 05mm| 05mm
Terminals| 4mm2/12AWG| lOmm2/8AWG| | 16mm2/6AWG| 16mm2/6AWG| 25mm2/4AWG
Net weight| 0.22kq| 0.35kg| | 0.55kg| I        0.58kq| 0.76kq| I 0.88kg| 1.02kg| I        1.04kg
XAbove the parameters are in 12V system at 25°C, twice in a 24Vsystem, triple in a 36V system and quadruple in a 48V system.

Any changes without prior notice! Version number: V1.2
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