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Summary of Contents for ACOPOWER Midas Y Series
- Page 1 Midas Y Series MPPT Solar Charge Controller User Manual Models:MY20/MY30/MY40 Add: 4120 Valley Blvd, Walnut, CA 91789,USA Tel: 1.626.575.7722 Email:sales@acopower.com Web:www.acopower.com...
- Page 2 Important Safety Instructions Please keep this manual for future review. This manual contains all instructions of safety, installation and operation for Midas Y series Maximum Power Point Tracking (MPPT) controller ("the controller" as referred to in this manual). General Safety Information Read carefully all the instructions and warnings in the manual before installation.
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Page 3: Table Of Contents
CONTENTS 1. General Information 1.1 Overview 1.2 Characteristics 1.3 Product Classification 2. Installation Instructions 2.1 General Installation Notes 2.2 PV Array Requirements 2.3 Wire Size 2.4 Mounting 3. Adanced Display unit 4. Control Parameters Setting 4.1 Battery types 4.1.1 Support battery types 4.1.2 Battery Voltage Control Parameters 4.1.3 Settings 4.2 Load working modes... -
Page 4: General Information
1. General Information 1.1 Overview Midas Y series controller adopt the advanced MPPT control algorithm, it can minimize the maximum power point loss rate and loss time, quickly track the maximum power point(MPP) of the PV array and obtain the maximum energy from solar array under any conditions;... -
Page 5: Characteristics
Isolated RS485 with 5V/200mA protected output for no power devices, with Modbus protocol Support monitoring and setting the parameters via APP or PC software IP33▲ Ingress protection 1.2 Characteristics Figure 1 Product Characteristics ★ RTS port RS485 communication port Terminal protection cover PV Terminals Battery Terminals Display units... -
Page 6: Product Classification
1.3 Product Classification Model Picture Display LED Indicators: PV & battery & load working status Buttons: View or set the parameters or clear the error information. MY20 LCD: PV display: voltage/current /generated energy/power MY30 Battery display: voltage/current/temperature/capacity MY40 Load display: voltage/current/power/consumed energy/load working mode. -
Page 7: Pv Array Requirements
Select the system cables according to 5A/mm2 or less current density in accordance with Article 690 of the National Electrical Code, NFPA 70. 2.2 PV Array Requirements (1) Serial connection (string) of PV modules As the core component of solar system, controller could be suitable for various types of PV modules and maximize converting solar energy into electrical energy. - Page 8 Condition 1: Actual charging power of PV array ≤ Rated charging power of controller Condition 2: Actual charging current of PV array ≤ Rated charging current of controller When the controller operates under “Condition 1”or“Condition 2”, it will carry out the charging as per the actual current or power;...
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Page 9: Wire Size
Rated Charge Rated Charge Max. PV Array Max. PV open circuit Current Power Power voltage 260W/12V 390W/12V MY20 520W/24V 780W/24V 390W/12V 580W/12V ① MY30 ② 780W/24V 1170W/24V 100V 780W/12V 520W/12V MY40 1560W/24V 1040W/24V ① At 25℃ environment temperature ② At minimum operating environment temperature 2.3 Wire Size The wiring and installation methods must conform to all national and local electrical code requirements. -
Page 10: Mounting
Battery and Load Wire Size The battery and load wire size must conform to the rated current, the reference size as below: Rated Charge Rated discharge Load wire Battery wire size Current current size 6mm /10AWG 6mm /10AWG MY20 10mm /8AWG 10mm /8AWG MY30 16mm /6AWG... - Page 11 Installation Procedure: 150mm 150mm Mounting Instruction Figure 2-1 Mounting...
- Page 12 Step 1: Determination of Installation Location and Heat-dissipation Space Determination of installation location: The controller shall be installed in a place with sufficient air flow through the radiators of the controller and a minimum clearance of 150 mm from the upper and lower edges of the controller to ensure natural thermal convection.
- Page 13 Step 3：Grounding Midas Y series is a common-negative controller, where all the negative terminals of PV array, battery and load can be grounded simultaneously or any one of them will be grounded.
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Page 14: Adanced Display Unit
3. Adanced Display unit (1) Indicator Indicator Color Status Instruction PV connection normal but low voltage(low irradiance) from Green On Solid PV, no charging No PV voltage(night time) or Green PV connection problem Green Slowly Flashing(1Hz) In charging PV Over voltage Green Fast Flashing(4Hz) Green... - Page 15 Indicator Color Status Instruction On Solid Over discharged Battery Overheating Lithium battery Low tempera- Slowly Flashing(1Hz) ture① On Solid Yellow Load ON Yellow Load OFF Controller Overheating PV&BATTLED fast flashing System voltage error② ① When a lead-acid battery is used, the controller doesn’t have the low temperature protection.
- Page 16 Controller load browsing interface Press the button Setting data - LOAD Press the button and Setting the load working mode hold 5s Enter into setting interface Setting interface switch to the Press the button browsing interface Setting parameter as enter button Press the button Exit the setting interface (3) Display...
- Page 17 1) PV parameters Display：Voltage/Current/Temperature/Battery capacity level 2) Battery parameters Display：Voltage/Current/Temperature/Battery capacity level 3)Load parameters Display：Voltage/Current/Power/ Consumed energy/Load working mode-Timer1/ Load working mode-Timer2 (4)Setting parameters 1)Battery type Sealed (Default) Flooded User...
- Page 18 Operation: Step 1: Press the button for the setting interface. Step 2: Press the button and hold 5s for the battery type interface. BATT Step 3: Press the button to choose the battery type. LOAD Step 4: Press the button to confirm the battery type. CAUTION：Please refer to chapter 4.1 for the battery control voltage setting, when the battery type is User.
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Page 19: Control Parameters Setting
4) LCD cycle time NOTE: The LCD cycle default time is 2s,the setting time range is 0～20s. Operation: Step 1: Press the button for the setting interface. Step 2: Press the button and hold 5s for the LCD cycle time interface. Step 3: Press the button to set the LCD cycle time. -
Page 20: Battery Voltage Control Parameters
Sealed(default) Lead-acid battery Flooded User LiFePO4(4S/12V;8S/24V) Li(NiCoMn)O2 (3S/12V;6S/24V) Lithium battery User CAUTION: When the default battery type is selected, the battery voltage control parameters will be set by default and can’t be changed. To change these parameters, select "User" battery type. 4.1.2 Battery Voltage Control Parameters Lead-acid battery parameters The parameters are in 12V system at 25 ºC, please double the values in 24V system. - Page 21 The following rules must be observed when modifying the parameter values in User for lead-acid battery. Ⅰ. Over Voltage Disconnect Voltage > Charging Limit Voltage ≥ Equalize Charging Voltage ≥ Boost Charging Voltage ≥ Float Charging Voltage > Boost Reconnect Charging Voltage.
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Page 22: Settings
WARNING: The required accuracy of BMS shall be at least 0.2V. If the deviation is higher than 0.2V, the manufacturer will assume no liability for any system malfunction caused by this. 4.1.3 Settings 1) PC setting Connection Download software http://www.acopower.com 2) APP software setting... -
Page 23: Load Working Modes
Download software(User for lead-acid battery) http://www.acopower.com Download software(User for lithium battery) http://www.acopower.com 4.2 Load working modes 4.2.1 LCD setting 1) LCD display and operation When the LCD shows above interface, operate as following: Step1: Press the button for the setting interface. -
Page 24: R485 Communication Setting
Disabled Test mode Disabled Manual mode(Default load ON) CAUTION: Please set Light ON/OFF, Test mode and Manual mode via Timer1. Timer2 will be disabled and display "2 n ". 4.2.2 R485 communication setting 1) Load working mode Manual Control (default) Control ON/OFF of the load via the button or remote commands (e.g., APP or PC software). - Page 25 2) Load working mode settings (1) PC setting Connection Download software http://www.acopower.com (2) APP software setting WIFI-Box Download software http://www.acopower.com (3) MT50 Setting CAUTION: For detailed setting methods, please refer to the instructions or contact after-sales support.
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Page 26: Accessories (Optional)
4.3 Accessories (optional) Acquisition of battery temperature for undertaking temperature compensation of control parameters, the standard length of the cable is 3m (length can be Remote Temperature customized). The Remote Temperature connects to Sensor the port (4th) on the controller. NOTE: The temperature sensor short-circuited or damaged, the controller will be charging or discharg- ing at the default temperature 25 ºC. -
Page 27: Protections, Troubleshooting And Maintenance
After the controller is connected with the BLE-Box through the standard Ethernet cable (parallel cable), RS485 to Bluetooth the operating status and related parameters of the Adapter controller can be monitored by the mobile APP software through Bluetooth signals. After the controller is connected with the logger through the RS485 communication cable, it can Logger record the operating data of the controller or... - Page 28 When the charging current or power of the PV array exceeds the controller’s rated current or power, it will be charge at the rated current or power. PV Over NOTE: When the PV modules are in series, ensure that the Current/power open-circuit voltage of the PV array does not exceed the "maximum PV open-circuit voltage"...
- Page 29 When the temperature detected by the optional temperature sensor is lower than the Low Temperature Protection Threshold(LTPT), the controller will stop charging and discharging automatically. When the Lithium Battery Low detected temperature is higher than the LTPT, the controller will be Temperature working automatically (The LTPT is 0 °C by default and can be set within the range of 10 ~ -40 °C).
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Page 30: Troubleshooting
5.2 Troubleshooting Possible reasons Faults Troubleshooting Charging LED indicator off during Confirm that PV wire PV array daytime when sunshine falls on PV connections are correct disconnection modules properly. and tight. Please check the voltage of Wire connection is correct, the Battery voltage is battery. -
Page 31: Maintenance
Possible reasons Faults Troubleshooting ① Check whether the battery voltage match with the System voltage PV/BATT indicator controller working voltage. fast flashing error ② Please change to a suitable battery or reset the working voltage. ①Please reduce the number of electric equipments. Load Overload ②Restart the controller. -
Page 32: Technical Specifications
Clear up dirt, nesting insects and corrosion in time. Check and confirm that lightning arrester is in good condition. Replace a new one in time to avoid damaging of the controller and even other equipments. 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. - Page 33 Environmental Parameters Item MY20 MY30 MY40 Working environment temperature -25℃～+50℃(LCD) (100% input and output) ◆ -30℃～+50℃(No LCD) Storage temperature range -20℃～+70℃ Relative humidity ≤95%, N.C. ★ Enclosure IP33 Pollution degree ◆ The controller can full load working in the working environment temperature, When the internal temperature reach to 81℃, the reducing charging power mode is turned on.
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Page 34: Annex I Conversion Efficiency Curves
Annex I Conversion Efficiency Curves Illumination Intensity: 1000W/m2 Temp: 25ºC Model: MY20 1. Solar Module MPPT Voltage(17V, 34V) / Nominal System Voltage(12V) 2. Solar Module MPPTVoltage(34V,51V,68V) / Nominal System Voltage(24V) - Page 35 Model: MY30 1.Solar Module MPP Voltage(17V, 34V) / Nominal System Voltage(12V) 2. Solar Module MPP Voltage(34V,51V,68V) / Nominal System Voltage(24V)
- Page 36 Model: MY40 1.Solar Module MPP Voltage(17V, 34V) / Nominal System Voltage(12V) 2. Solar Module MPP Voltage(34V, 51V,68V) / Nominal System Voltage(24V)
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Page 37: Annex Ii Mechanical Dimension Diagram
Annex II Mechanical Dimension Diagra MY20(Unit: mm) - Page 38 MY30(Unit: mm)
- Page 39 MY40(Unit: mm)
- Page 40 Add: 4120 Valley Blvd, Walnut, CA 91789,USA Tel: 1.626.575.7722 Email:sales@acopower.com Web:www.acopower.com...
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Questions and answers
I have a LiFeP04 12 volt battery. Which battery type code do I use on midas y40 controller? Choices are SEL, GEL, FLD, USER, N07, N06, N03, F08 and F04.