Safety Notes - ABB ATS022 Installation And Operating Instructions Manual

Installation and operating instructions, ATS022

1. Safety notes

Before using the ATS022 unit, read the following "Safety notes":
using the unit without following the indications can lead to malfunctioning and, in
some cases, hazardous conditions.
If there are doubts about safe use, the unit must be put out of service.
The automatic transfer switch ATS022 must be prevented from operating the circuit breakers before:
• accessing the circuit breakers
• performing maintenance on circuit breakers or any electrical circuits powered by them
• performing any operation where opening/closing the circuit breaker could be dangerous
During maintenance:
• set the "Manual" mode.
• lock the circuit breaker mechanically in the open position.
Safe use is not guaranteed if:
• the device has been damaged during transport
• the device shows visible signs of damage
• the device does not work
• the device has been stored for a long period
Even if the device seems to be in stand-by status switch it off from the control circuit, as there is risk of it
operating the circuits without warning.
1SDH000760R0002
4
1. Safety notes