SMA SUNNY BOY 3.8-US - Overview of the Enclosure Parts; Disassembling the Defective Power Unit

3 Overview of the Enclosure Parts
Service ManualSBxx-1SP-US-40-AT-PU-SG-xx-138
3 Overview of the Enclosure Parts
Figure 1 : Overview of the enclosure parts
Position Designation
A Power Unit
B Connection Unit
4 Disassembling the Defective Power Unit
Prior to disassembling the defective Power Unit, all connections between the Power Unit and the
Connection Unit must be severed. Only then can the Power Unit be removed from the Connection
Unit. All cables connected to the communication assembly can remain plugged in and do not need
to be removed to disassemble the PowerUnit.
CAUTION
Risk of injury due to weight of product
Injuries may result if the product is lifted incorrectly or dropped while being transported or
mounted.
• Transport and lift the product carefully. Take the weight of the product into account.
• Wear suitable personal protective equipment for all work on the product.
Procedure:
1. Disconnect the inverter from voltage sources (see inverter manual).
ENGLISH