Keypad - ABB ATS021 Installation And Operating Instructions Manual

Installation and operating instructions, ATS021
7. Using automatic transfer switch ATS021

7.2.2 Keypad

Figure 7.3 Keypad on ATS021
RESET key
An active alarm can reset by the RESET key.
TEST key
Setting the automatic transfer switch to test sequence in which it is possible to simulate switching and
back-switching sequences step-by-step, by pressing the TEST key. This is possible only if the automatic
transfer switch is in manual mode. Exiting from test sequence is done by RESET key. See pages 16 and
30.
CB1 key
Setting in manual mode the circuit breaker CB1 to open/close position. When the circuit breaker CB1 will
be in the ON position then the circuit breaker CB2 will be in the OFF position.
CB2 key
Setting in manual mode the circuit breaker CB2 to open/close position. When the circuit breaker CB2 will
be in the ON position then the circuit breaker CB1 will be in the OFF position.
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