
TABLE OF CONTENTS
IMPORTANT SAFETY INSTRUCTIONS
1
Radio interference statement
2
APS Microinverter System Introduction
3
APS Microinverter 500 series Introduction
5
APS Microinverter System Installation
6
Additional Installation components from APS
6
Required Parts and Tools from installer
6
Installation Procedures
7
Step 1 - Installing the AC Branch Circuit Junction Box
7
Step 2 – Attaching the APS Microinverters to the Racking
or the PV Module Frame
8
Step 3 - Connecting the APS Microinverter to the PV Module
9
Step 4 - Ground the System
10
Step 5 –Connecting APS Microinverters to the AC Cables
11
Step 6 - Completing the APS Installation Map
12
APS Microinverter system operating instructions
13
Troubleshooting
14
• Status Indications and Error Reporting
14
• Operation LED
14
• GFDI Error
14
• Other Faults
14
Troubleshooting a non-operating APS Microinverter
15-16
Replace a Microinverter
17
Technical Data
18-19
Efficency Cruves
20
Wiring Diagrams
21
• Sample Wiring Diagram – 120V/240V Split Phase
22
• Sample Wiring Diagram – 120V/ 208V Three Phase
23
• Sample Wiring Diagram – 277V/480V Three Phase
23
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APS YC500-MIW Installation/User Manual