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AP systems YC500A-NA-MX Installation & User Manual Download Page 23

APsystems YC500A/I Installation/User Manual

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 first AC connector in the branch circuit.

3. Disconnect the PV module DC wire connectors from the

microinverter.

4. Remove the Microinverter from the PV array racking.

5. Cover the module with an opaque cover.

B. Install a replacement Microinverter to the rack. Remember to observe

the flashing LED light as soon as the new Microinverter is plugged

into the DC cables.

C. Connect the AC cable of the replacement Microinverter and the

neighboring Microinverter to complete the branch circuit connections.

D. Close the branch circuit breaker, and verify operation of the replacement

Microinverter.

Summary of Contents for YC500A-NA-MX

Page 1: ...SYSTEM Inc www APsystems com APsystems Shanghai Rm B403 No 188 Zhangyang Road Pudong Shanghai 200120 P R C TEL 021 33928205 EMAIL info altenergy power com All Rights Reserved For Mexico APsystems YC500A I 240V Photovoltaic Grid connected Microinverter ...

Page 2: ... YC500I Installation Procedures 14 Step 1 Position the AC bus cable 14 Step 2 Install the AC branch circuit junction box 14 Step 3 Attach the APsystems Microinverters to the racking or the PV module frame 14 Stpe 4 Connect the APsystems microinverter to AC bus cable 15 Step 5 Install a AC bus protective end cap at the end of AC bus cable 16 Step 6 Connect APsystems Microinverters to the PV Modules...

Page 3: ...sonnel danger if not applied appropriately Use extreme caution when performing this task NOTE This indicates information that is important for optimized microinverter operation Follow these instructions closely Safety Instructions Do NOT disconnect the PV module from the APsystems Microinverter without first disconnecting the AC power Only qualified professionals should install and or replace APsy...

Page 4: ... communications if not following the instructions when installing and using the equipment But there is no guarantee that interference will not occur in a particular installation If this equipment causes harmful interference to radio or television reception the following measures might resolve the issues A Relocate the receiving antenna and keep it well away from the equipment B Consult the dealer ...

Page 5: ...troduction 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: ...l 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 Simple to install You can install individual PV modules in any combination of module quantity orientation type and power rate For YC500I NA MX the Ground wire PE of the AC cable is connected to the chassis inside of the Mi...

Page 7: ...d 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 Model Number AC grid PV Module Max Per branch Module Connector YC500A NA MX YC500I NA MX 60Hz 220V 60 72 Cell 7 for 20A breaker 8 for 25A breaker MC 4 Type or Customize ...

Page 8: ...s WARNING Be aware that only qualified professionals should install and or replace APsystems Microinverters WARNING Before installing or using an APsystems Microinverter please read all instructions and warnings in the technical documents and on the APsystems Microinverter system itself as well as on the PV array WARNING Be aware that installation of this equipment includes the risk of electric sh...

Page 9: ...ircuit until you have completed all of the installation procedures as described in the following sections Figure 3 Step 1 Installing the AC Branch Circuit Junction Box Figure 4 a Install an appropriate junction box at a suitable location on the PV racking system typically at the end of a branch of modules b Connect the open wire end of the AC branch end cable into the junction box using an appropr...

Page 10: ...ensed electrician attach the grounding washer between the frame and the Microinverter Option 1 A B Figure 5 Option 2 Figure 6 Attach to the PV module frame Drill holes on the PV module frame before installing YC500 Please check with the module manufacturer the compatibilty of such installation process Figure 7 WARNING Prior to installing any of the microinverters verify that the utility voltage at...

Page 11: ...of the next Microinverter and so on to form a continuous AC branch circuit c Install a protective end cap on the open AC connector of the last Microinverter in the AC branch circuit Figure 10 AC connector interface as follows Female Connector Male Connector Figure 11 WARNING Do NOT exceed maximum number of Microinverters in an AC branch circuit as displayed on the Technical Data page p 18 of this ...

Page 12: ... neutral is not bonded to ground inside the microinverter Step 5 Connect 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 functioni...

Page 13: ...entation to meet all the field 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 figure16 according to the layout on the roof as figure 15 Then affix another label to the PV module frame which is easy to see The warranty cards can obtain from t...

Page 14: ... mountingplate Pee lthe label andaffix it tothe respective locationonthe APsystemsinstallationmap InstallationMapTemplate ToregisteryourAPsystems microinverter pleasemailthis warrantyregistrationcardto emasupport altenergy power com B A B A B A Figure 16 NOTE 1 The layout of the inverters serial numbers on the warranty card is only suitable for general arrangement 2 Step 1 5 can be done in any ord...

Page 15: ...sing an appropriate gland or strain relief fitting c Wire the conductors L1 RED L2 BLACK N WHITE PE GREEN d Connect the AC branch circuit junction box to the point of utility interconnection Step 3 Attach the APsystems Microinverters to the racking or the PV module frame Attach to the racking a Mark the location of the Microinverter on the rack with respect to the PV module junction box or any oth...

Page 16: ...o not mount the Microinverter in a location that allows exposure to direct sunlight 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 Figure 21 Best Practice Use the Withdrawal Tool of AC Bus to split the connectors a Check the Microinverter technical data page p 23 for the maximum a...

Page 17: ... Microinverters in an AC branch circuit as displayed on the Technical Data page p 23 of this manual Step 5 Install a AC bus protective end cap at the end of AC bus cable a Strip cable jacket c Insert the wires into the cable clamps b Insert the cable end into the seal d Rotate the nut with 3 3N m until the latching mechanism meets the base Figure 24 Step 6 Connect APsystems Microinverters to the P...

Page 18: ... position Step 7 Complete the APsystems Installation Map Fill in the APsystems Registration Cards which provide system information and the installation map Feel free to provide your own layout if a larger or more intricate installation map is required The layout map provided is designed to accomodate labels in vertical or horizontal orientation to meet all the field PV connections d Each APsystems...

Page 19: ...n the mountingplate Pee lthe label and affix it to the respective location on the APsystemsinstallation map Installation Map Template ToregisteryourAPsystems microinverter please mailthis warrantyregistrationcardto emasupport altenergy power com B A B A B A Figure 28 NOTE 1 The layout of the inverters serial numbers on the warranty card is only suitable for general arrangement 2 Step 1 7 can be do...

Page 20: ...ledges the Microinverters they will start to blink green every 10 seconds 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 You can veri...

Page 21: ... to the ECU Installation and Operation Manual for a list of additional faults and troubleshooting procedures WARNING Only qualified personnel should directly handle the APsystems microinverter WARNING Never disconnect the DC wire connectors under load Ensure that no current is flowing in the DC wires prior to disconnecting An opaque covering may be used to cover the module prior to disconnecting t...

Page 22: ...hat is not coordinating with data displays from other units most likely a Microinverter problem To troubleshoot a non operating APsystems Microinverter Follow the steps below in order 1 Verify the utility voltage and frequency are within ranges shown in the Technical Data section of this manual 2 Check the connection to the utility grid Verify utility power is present at the inverter in question b...

Page 23: ...t 3 Disconnect the PV module DC wire connectors from the microinverter 4 Remove the Microinverter from the PV array racking 5 Cover the module with an opaque cover B Install a replacement Microinverter to the rack Remember to observe the flashing LED light as soon as the new Microinverter is plugged into the DC cables C Connect the AC cable of the replacement Microinverter and the neighboring Micr...

Page 24: ...he Microinverter Refer to the APsystems website www APsystems com for a list of approved PV modules WARNING 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 ...

Page 25: ...3 Maximum Units per Branch 7 for 20A Breaker or 8 for 25A Breaker Efficiency Peak Efficiency 95 5 Night Power Consumption 120mW Mechanical Data Operating Ambient Temperature Range 40 C to 65 C 40 o F to 149 o F Storage Temperature Range 40 C to 85 C 40 o F to 185 o F Dimensions W x H x D 221mm 167mm 29mm 8 7 6 6 1 1 Weight 2 5kg 5 5lbs AC Cable AC Bus 12AWG Enclosure Rating NEMA 6 Cooling Natural ...

Page 26: ...C TION TO BROADBAND ROUTER 120 VAC POWER CABLE AC BRANCH END CABLE RED LI VE 1 BLACK LIVE 2 WHITE NEUTRAL METER BRANCH END CAP INSTALLED ON THE OPEN AC CONNECTOR UP TO 8 YC500 PER BRANCH CIRCUIT Apsystems YC500A 25 AMP CIRCUIT BREAKER PER BRANCH C IRCUIT TO METER OR AC DISTR IBUTION PANEL NEUTRAL GROUND DISTRIBUTION PANEL 110V 240V SPLIT PHASE SOLAR PANEL ECU Figure 29 ...

Page 27: ...ION TO BROADBAND R OUTER 120 VAC POWER CAB LE AC BR ANCH END CABLE RED L1 BLACK L2 WHITE N METER BRANC H END CAP I NSTALLED ON THE OPEN AC CONNECTOR UP TO 7 YC500 PER B RANCH CIR CUIT APsystems YC500I 25 AMP CI RCUI T BREAKER PER BRANCH C IRCUIT TO METER OR AC DI STRIB UTION PANEL NEUTRAL GROUND DISTRIBUTION PANEL 120V 240V SPLIT PHASE ECU S OLAR PANEL GREEN PE Figure 30 ...

Page 28: ...ach 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 Installation Map Template 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 To register your APsystems microinverter please mail this warranty registration card to emasupport altenergy power com ...

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