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WSTECH APS Series - Maintenance Procedures and Safety; Maintenance Safety Warnings

WSTECH APS Series
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Original Operating Instructions
APS Series Outdoor Hybrid Inverter
Maintenance
APS-Series 120 Operating Instructions v320 EN
Page 141 of 213
8 Maintenance
DANGER!
Danger to life due to high voltage!
After stopping dangerous voltage is present in the product. Touching
live parts can result in death or serious injury due to electric shock.
Wear suitable personal protective equipment for all work on the
product.
Before working on the product, check that it is disconnected
externally and safeguarded against reconnection.
After stopping the product, observe a minimum wait time of at
least 15 minutes prior to opening.
Use a test device to ensure that no residual voltage is present in
the DC links.
No protection or security device may be temporarily or
permanently removed, altered or adjusted.
Observe all warnings from the battery and PV module
manufacturer.
Observe that the AC/DC cables are still under voltage if they are
not disconnected from the product externally.
WARNING!
Risk of injury due to improper maintenance!
Incorrect maintenance can lead to serious bodily injury or property
damage.
Maintenance intervals must be followed strictly.
It must be ensured that no tools, loose parts or similar are left in
the product.
WARNING!
Risk of injury due to improvised repairs!
Improvised repairs can lead to serious bodily injury or property damage.
The manufacturer is not responsible for a damage caused by a
customer’s improvisations.
All repair works must be executed exclusively by employees of
the service company commissioned by the manufacturer.

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