Instruction Manual

PowerOptimal Elon® 100 Installation Manual
Version date: 2022/05/23
Page 3 of 37
Version number: 2.20
© PowerOptimal (Pty) Ltd 2022. The content of this document is confidential and all rights to the intellectual
property and/or information contained herein remain vested in PowerOptimal, except if otherwise agreed in
writing.
Table of Contents
Table of Contents .................................................................................................................................... 3
1. Required tools ..................................................................................................................................... 4
2. Basic wiring diagram ........................................................................................................................... 5
3. Solar PV array installation ................................................................................................................... 8
4. Elon® 100 installation ........................................................................................................................ 10
5. Element installation (retrofit) ........................................................................................................... 16
Appendix A. Basic Troubleshooting Guide for Electricians ................................................................... 18
Appendix B. Solar yield ......................................................................................................................... 19
B1. Solar irradiance levels ................................................................................................................. 19
B2. Geographic features ................................................................................................................... 20
B3. Azimuth / horizontal angle ......................................................................................................... 20
B4. Inclination or tilt angle ................................................................................................................ 20
B5. Shading........................................................................................................................................ 20
B6. Ambient temperature ................................................................................................................. 21
B7. Minimum distance from roof edges ........................................................................................... 21
Appendix C. Deciding on Size of Solar Array ......................................................................................... 22
Appendix D. PV array and geyser (water heater) element matching ................................................... 28
Appendix E. Technical Specification Summary: Elon® 100 ................................................................... 29
Appendix F. Surge Protection Device (SPD) Recommendations ........................................................... 30
Appendix G. IEC/SANS and EMC Test Certificates: Elon® 100 .............................................................. 32
Appendix H. Warranty .......................................................................................................................... 35
Appendix I. Terminology ....................................................................................................................... 36
Notes ................................................................................................................................................. 37