APsystems YC500A Installation And User Manual
Microinverter
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Summary of Contents for APsystems YC500A
- Page 1 Installation / User Manual YC500A Microinverter Rev 1.0 ALTENERGY POWER SYSTEM Inc. WEB: www.APsystems.com APsystems Shanghai: B403 No.188, Zhangyang Road, Pudong, Shanghai｜ +86 21 3392 8205 © All Rights Reserved...
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Page 2: Table Of Contents
YC500A Installation Procedures..........................8 Step 1 - Installing the AC Branch Circuit AC Isolator..................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................ -
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
A) Relocate the receiving antenna and keep it well away from the equipment. B) Consult the dealer or an experienced radio/TV technical for help. Changes or modifications not expressly approved by the party responsible for compliance may void the user’s authority to operate the equipment. YC500A Installation/User Manual... -
Page 5: Apsystems Microinverter System Introduction
APsystems Microinverter 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 More reliable than centralized or string inverters 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.
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Page 7: Apsystems Microinverter Yc500A Introduction
60 and 72 cell PV modules. For more information, please see the Technical Data page (p.18) of this manual, or sign in APsystems website to obtain a solar panel list which can match with APsystems Microinverters: www.APsystems.com... -
Page 8: Apsystems Microinverter System Installation
Installation MUST comply with local regulations and technical rules. 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. -
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 screwdriver Best Practice: Use to split the Main connectors. Figure 8 a. Check the Microinverter technical data page (P.18) for the maximum allowable number of Microinverters on each AC branch circuit. -
Page 12: Step 4 - Connecting Apsystems Microinverters To The Pv Module
Installation Procedures Step 4 - Connecting APsystems Microinverters to the PV Module Connect the DC cables from the PV Modules to the Microinverter per the diagram below: NOTE: When plugging in the DC cables, the Microinverter should immediately blink green three times. This will happen as soon as the cables are plugged in and will show that the Microinverter is functioning correctly. -
Page 13: Step 5 - Completing The Apsystems Installation Map
PV connections. a. 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 14: Installation Procedures
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 15: Apsystems Microinverter System Operating Instructions
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 16: 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 17: 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 18: Replace A Microinverter
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 19: 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 Installation/User Manual... -
Page 20: Apsystems Yc500A Microinverter Datasheet
AS 4777.2/AS 4777.3 Programmable through ECU to meet customer need. Specifications subject to change without notice - please ensure you are Depending on the local regulations. using the most recent update found at www.APsystems.com © All Rights Reserved 2017/9/12 Rev1.1... -
Page 21: Wiring Diagram
Wiring Diagram Sample Wiring Diagram - Single Phase Figure 15 YC500A Installation/User Manual... -
Page 22: Sample Wiring Diagram - Three Phase
Wiring Diagram Sample Wiring Diagram - Three Phase Figure 16 YC500A Installation/User Manual... - Page 23 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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