1 Information on this Document
1
Information on this Document
1.1
Validity
This document is valid for:
• NR-PC-KP20L.BG1 (retrofit kit with assembly PC-KP20.BG1-xx.xx) for STP 50-40, STP 50-JP-40
and STP 50-US-40
• NR-PL-KP20-41-1 (retrofit kit with assembly PC-KP20.BG1-xx.xx) for STP33-US-41, STP50-
US-41 and STP62-US-41
1.2
Target Group
The tasks described in this document must only be performed by qualified persons. Qualified
persons must have the following skills:
• Knowledge of how an inverter works and is operated
• Training in the installation and commissioning of electrical devices and installations
• Knowledge of all applicable laws, standards and directives
1.3
Content and Structure of this Document
This document describes how to replace components.
Illustrations in this document are reduced to the essential information and may deviate from the real
product.
1.4
Levels of warning messages
The following levels of warning messages may occur when handling the product.
Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
Indicates a situation which, if not avoided, can result in property damage.
1.5
Symbols in the Document
Symbol
Explanation
Information that is important for a specific topic or goal, but is not safety-rele-
vant
4
STPxx-US-4x-COM-RM-xx-10
DANGER
WARNING
CAUTION
NOTICE
SMA Solar Technology AG
Replacement Manual