Table of Contents
Chapter 1 IMPORTANT SAFETY INSTRUCTIONS......... 1
Chapter 2 Overview ........................................................ 4
2.1 Grid-tie PV system ················································ 4
2.2 Description of inverter types ·································· 5
2.3 Inverter circuit structure ········································· 5
2.4 Appearance ··························································· 7
2.4.1 Appearance description of CPS SC500KTL ... 7
2.4.2 Appearance description of CPS SC250KTL ... 8
Chapter 3 Installation...................................................... 9
3.1 Basic requirements ················································ 9
3.2 Mechanical installation ·········································· 9
3.3 Electrical installation ············································ 16
3.3.1 DC connection ............................................. 18
3.3.2 AC and ground connection ........................... 20
3.3.3 Communication connection .......................... 22
3.3.4 Dry contact and auxiliary power connection . 25
Chapter 4 Operation ..................................................... 27
4.1 Start-up and shut-down ······································· 27
4.1.1 Start-up ......................................................... 27
4.1.2 Shut-down .................................................... 29
4.2 Operation mode ··················································· 32
4.3 Grid connection and power generation ················ 35
4.4 Fault shutdown ···················································· 36
