Bosch BPT-S 3 Manuel De Service page 191

English
DANGER
Bosch Power Tec GmbH
 Solar generator cable
– Increased insulation
– Cable cross-section 2.5 to 6 mm
– Cable diameter 5 to 8 mm
– Tin-plated cable
Switch position of optionally external DC switch

disconnector at 0. Optional (unless required by
local law)
Service switch position to 0: The power unit for the

string inverter is de-energised.
▶
Procedure
The following steps refer to the DC plug (-) and the
DC socket (+). First carry out the steps for the DC
plug and then for the DC socket. In the following
drawings, the DC plug can be seen on the left and the
DC socket on the right.
Risk of fatal injury when working on a live system
When working on a live system there is a risk of
electric shock, which can result in death or serious
injury.
Do not work on a live system

If there is no alternative: Only work on live

components if you have the appropriate additional
qualification, and use protective equipment. Please
note the applicable standards and regulations.
2
Bosch BPT-S 3 / 3.68 / 4 / 4.6 | Operating manual
Installation | 73