User manual

86-86000-00 B02 - Page 54
3. Operation
3.6 Return of Normal AC source
After an outage, the UPS restarts automatically when AC power is restored (unless this function has been
disabled via UPS personalization).
3.7 Shutdown
Figure 3-7: Shutdown Display, Circuit Breaker, and AC Source Switch.
OFF ON
17
20
8
14
1. Press the OFF button
20
more than 3 seconds.
CAUTION
The load is no longer protected
by the UPS. It is powered via the
Bypass AC source. If the UPS is set in
frequency converter mode, the load
will not be powered.
If the Bypass AC source is out of
tolerance, the UPS will generate a
calibrated 10msec output interrupt.
2. Set the battery circuit breaker(s)
14
to the OFF
position.
3. Set the Normal AC source circuit breaker
8
to
the OFF position.
LED
17
is now OFF.
CAUTION
Performing this step will disconnect
power to the load.
4. For the complete shutdown of the UPS (no input
and output power), the upstream circuit breaker (not
included) should be set to the OFF position.