Installation guide
A-25
Functions
and characteristics
Switch set to the “Auto” position (automatic operation and test mode).
DB101598
WAITING The system exits this mode when the
operating mode is modied or when an
external event occurs (e.g. failure or return
of UN).
When the UA controller is not energised, the output for
generator set startup is activated).
Key
UN : “Normal” source voltage
UR : “Replacement” source voltage
N : “Normal” source circuit breaker
R : “Replacement” source circuit breaker
B : Penalties accepted (N ON), i.e. B = 1
(*) The test lasts 180 seconds.
1
The number sends to the indicated step when
the condition is true.
Associated controllers
UA controller
Operating sequences
Livre 1.indb 25 08/10/2008 18:39:06