APsystems YC500 Guide

APsystems

600 Ericksen Ave NE. Ste 200; Seattle, WA 98110

TEL: 844-666-7035 EMAIL: [email protected]

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Quick Design Guide

APsystems YC500

Photovoltaic Grid-connected Microinverter

Version 4.1 7/15

APsystems YC500 Quick Design Guide ii

Step 1. Verify that the grid voltage matches the

microinverter speciﬁcations.

Step 2. Install the AC branch circuit junction box.

Step 3. Connect the cables to the AC branch circuit

junction box.

1. Connect the open wire end of the AC branch end splice cable into

the junction box using an appropriate gland or strain relief tting.

2. Wire the conductors: L1- RED; L2 - BLACK; N -WHITE.

3. Connect the AC branch circuit junction box to the point of utility

interconnection.

Step 4. Attach the APsystems microinverters to the racking

or the PV module frame.

Figure 1

Figure 2

Figure 3

APsystems YC500 Quick Design Guide iii

Step 5. Connect the APsystems microinverter AC cables.

Step 6. Install a protective end cap on the open AC connector

of the last microinverter in the AC branch circuit.

Step 7. Ground the system.

Step 8. Connect the APsystems microinverters to the PV

modules.

Step 9. Complete the APsystems installation map.

Step 10. Activate the system.

1. Turn ON the AC circuit breaker on each microinverter AC branch

circuit.

2. Turn ON the main utility-grid AC circuit breaker. Your system will

start producing power after a ve-minute safety period.

Figure 4

Figure 5

Figure 6

Table of contents

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