APsystems YC500A Installation & User Manual
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APsystems YC500A Installation & User Manual

Microinverter
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Installation / User Manual
YC500A/I Microinverter
Rev 1.0
Please scan the QR code to get
mobile app and more support
to help the installation.
ALTENERGY POWER SYSTEM Inc.
WEB: www.APsystems.com
APsystems Shanghai:
B403 No.188, Zhangyang Road, Pudong, Shanghai｜ +86 21 3392 8205
© All Rights Reserved
(For Sri Lanka )

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Summary of Contents for APsystems YC500A

  • Page 1 Installation / User Manual YC500A/I Microinverter Rev 1.0 Please scan the QR code to get mobile app and more support to help the installation. ALTENERGY POWER SYSTEM Inc. WEB: www.APsystems.com APsystems Shanghai: B403 No.188, Zhangyang Road, Pudong, Shanghai｜ +86 21 3392 8205 ©...

  • Page 2: Table Of Contents

    YC500A Installation Procedures..........................8 Step 1 - Installing the AC Branch Circuit junction box.................. 8 Step 2 - Attaching the APsystems Microinverters to the Racking or the PV Module Frame...... 9 Step 3 - Connecting the APsystems Microinverter AC Cables..............10 Step 4 - Connecting APsystems Microinverters to the PV Module............11 Step 5 - Completing the APsystems Installation Map.................11...

  • Page 3: Important Safety Instructions

    APsystems Microinverter system and the solar-array. Be aware that the body of the APsystems Microinverter is the heat sink and can reach a  temperature of 80°C. To reduce risk of burns, do not touch the body of the Microinverter.

  • Page 4: Radio Interference Statement

    ECU, the number of inverters supported, and other factors, so sometimes the ECU experiences loss of signal or data randomly, that is not a problem or a fault. If the ECU does not communicate with the EMA database at all, contact APsystems support. YC500A/I Installation/User Manual...

  • Page 5: Apsystems Yc500 System Introduction

    APsystems YC500 System Introduction The APsystems Microinverter is used in utility-interactive grid-tied applications, comprised of three key elements:  APsystems Microinverter  APsystems Energy Communication Unit (ECU)  APsystems Energy Monitor and Analysis (EMA) web-based monitoring and analysis system Figure 1...
  • Page 6 The distributed APsystems Microinverter system ensures that no single point of system failure exists across the PV system. APsystems Microinverters are designed to operate at full power at ambient outdoor temperatures of up to 149°F (65°C). The inverter housing is designed for outdoor installation and complies with the NEMA 6 environmental enclosure rating.

  • Page 7: Apsystems Microinverter Yc500 Series Introduction

    APsystems Microinverter YC500 Series Introduction The APsystems YC500 Microinverters connect with the Split-phase grid, and operate with most 60 and 72 cell PV modules. For more information, please see the Technical Data page (p.22) of this manual. Model Max. #...

  • Page 8: Apsystems Microinverter System Installation

    Special Statement! An AC GFCI device should not be used to protect the dedicated circuit to the APsystems microinverter even though it is an outside circuit. None of the small GFCI devices (5mA-30 mA) are designed for back feeding and will be damaged if back feed. In a similar manner, AC AFCIs have not been evaluated for back feeding and may be damaged if back feed with the output of a PV inverter.

  • Page 9: Yc500A Installation Procedures

    YC500A Installation Procedures APsystems Microinverters are designed to only operate when they can sense power coming from the grid. Even if they are plugged into the solar array, they will not turn themselves on until they can read power from the grid.

  • Page 10: Step 2 - Attaching The Apsystems Microinverters To The Racking Or The Pv Module Frame

    APsystems) Option:2 Figure 5 Attach to the PV module frame. Drill holes on the PV module frame before installing YC500A. Please check with the module manufacturer the compatibilty of such installation process. Figure 6 WARNING: Prior to installing any of the microinverters, verify that the utility voltage at the point of common connection matches the voltage rating on microinverter label.

  • Page 11: Step 3 - Connecting The Apsystems Microinverter Ac Cables

    YC500A Installation Procedures Step 3 - Connecting the APsystems Microinverter AC Cables Figure 7 Male Female Connector Connector Best Practice: Use screwdriver to split the Main connectors. Figure 8 a. Check the Microinverter technical data page (P.22) for the maximum allowable number of Microinverters on each AC branch circuit.

  • Page 12: Step 4 - Connecting Apsystems Microinverters To The Pv Module

    Each APsystems Microinverter has removable serial number labels.Peel labels off, affix one to the respective location on the APsystems installation map, and fill in A,B in the label below(as figure13) according to the layout on the roof(as figure 12). Then affix another label to the PV module frame which is easy to see.
  • Page 13 APsystems Microinverter&Energy Communication Unit Warranty Card The APsystems Installation Map is a diagram of the physical location of each microinverter in your PV installation. Each APsystems microinverter has a removable serial number label located on the mounting plate. Pee l the label and affix it to the respective location on the APsystems installation map.

  • Page 14: Yc500I Installation Procedures

    AC bus to be sure they match.Wrong cabling can damage irreparably the microinverters, such an issue is not covered by the warranty. Step 3 - Attach the APsystems Microinverters to the racking or the PV module frame Attach to the racking a.

  • Page 15: Stpe 4 - Connect The Apsystems Microinverter To Ac Bus Cable

    Where exposed to the sun, rain or snow, even gap between modules. Allow a minimum of 3/4’’(1.5cm.) between the roof and the bottom of the Microinverter to allow proper air flow. Stpe 4 - Connect the APsystems microinverter to AC bus cable Click Figure 20 Best Practice: Use the Bus Cable Unlock Tool of AC Bus to split the connectors.

  • Page 16: Step 5 - Install A Bus Cable End Cap At The End Of Ac Bus Cable

    Figure 23 Seal Body Step 6 - Connect APsystems Microinverters to the PV Modules Figure 24 WARNING: Double check to make sure all of the AC and DC wiring has been correctly installed. Ensure that none of the AC and/or DC wires are pinched or damaged.

  • Page 17: Step 7 - Complete The Apsystems Installation Map

    PV connections. d. Each APsystems Microinverter has removable serial number labels. Peel labels off, affix one to the respective location on the APsystems installation map, and fill in A,B in the label below(as figure27) according to the layout on the roof(as figure 26). Then affix another label to the PV module frame which is easy to see.

  • Page 18: Step 8 - Place A Warning Notice

    APsystems Microinverter&Energy Communication Unit Warranty Card The APsystems Installation Map is a diagram of the physical location of each microinverter in your PV installation. Each APsystems microinverter has a removable serial number label located on the mounting plate. Pee l the label and affix it to the respective location on the APsystems installation map.
  • Page 19 4. Plug in the ECU and follow the instructions according to the manual for the ECU. 5. The APsystems Microinverters will start to send performance data over power line to the ECU. The time required for all the Microinverters in the system to report to the ECU will vary with the number of Microinverters in the system.

  • Page 20: Troubleshooting

    WARNING: Always disconnect AC power before disconnecting the PV module wires from the APsystems microinverter. Either disconnecting by the appropriate AC circuit breaker or unplugging the first AC connector of the first Microinverter in a branch circuit is suitable as a means of disconnection.

  • Page 21: Troubleshooting A Non-Operating Apsystems Microinverter

    5. Check the DC connections between the microinverter and the PV module. 6. Verify the PV module DC voltage is within the allowable range shown in the Technical Data of this manual. 7. If the problem persists, please call APsystems Customer Support. WARNING: Do not attempt to repair the APsystems microinverter.

  • Page 22: Replace A Microinverter

    Follow the procedure to replace a failed APsystems Microinverter. A. Disconnect the APsystems Microinverter from the PV Module, in the order shown below: 1. Disconnect the AC by turning off the branch circuit breaker. 2. Disconnect the AC connector of the microinverter.

  • Page 23: Technical Data

    You must match the DC operating voltage range of the PV module with the allowable input voltage range of the APsystems Microinverter. WARNING: The maximum open circuit voltage of the PV module must not exceed the specified maximum input voltage of the APsystems YC500A/I Installation/User Manual...

  • Page 24: Yc500A/I Microinverter Datasheet

    Grid Connection Compliance IEC 61727 Specifications subject to change without notice - please ensure you are Programmable through ECU to meet customer need. using the most recent update found at www.APsystems.com Depending on the local regulations. © All Rights Reserved 2017/11/28 REV1.0...

  • Page 25: Wiring Diagram

    Wiring Diagram YC500A Sample Wiring Diagram - Split Phase Figure 29 YC500A/I Installation/User Manual...

  • Page 26: Yc500A Sample Wiring Diagram - Three Phase

    Wiring Diagram YC500A Sample Wiring Diagram - Three Phase Figure 30 YC500A/I Installation/User Manual...

  • Page 27: Yc500I Sample Wiring Diagram - Split Phase

    Wiring Diagram YC500I Sample Wiring Diagram - Split Phase Figure 31 YC500A/I Installation/User Manual...

  • Page 28: Yc500I Sample Wiring Diagram - Three Phase

    Wiring Diagram YC500I Sample Wiring Diagram - Three Phase Figure 32 YC500A/I Installation/User Manual...
  • Page 29 The APsystems Installation Map is a diagram of the physical location of each microinverter in your PV installation. Each APsystems microinverter has a removable serial number label located on the mounting plate. Peel the label and affix it to the respective location on the APsystems installation map.

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Yc500i

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