APC 5000 user manual Operation, Shutting down a single UPS, Restarting a single UPS

3. Operation

All operations concerning system start-up and compliance with standards and regulations, including those related to the battery cabinet, must be carried out by trained and certified personnel before using the UPS.

3.1 Shutting down a single UPS

The UPS remains energised unless it is shut down.

1 - Press a button to exit sleep mode.

2 - Confirm by pressing the function key (38) for 3 seconds.

I O

	38	The load is no longer protected by the UPS. It is supplied via the
3s		bypass.

Q1	Q4S	Q3BP	Q5N
8	QF1
		13

3 - Set the battery circuit-breaker QF1 (13) (or set the battery circuit- breakers of the auxiliary cabinets if any) to OFF.

4 - Set the input circuit-breaker Q1 (8) to OFF.

The charger no longer operates to keep the batteries fully charged.

5 - Open the upstream circuit-breakers of the Normal AC source and Bypass AC source to completely power off the UPS.

3.2 Restarting a single UPS

Check that switches Q4S (9) and Q5N (11) are closed. If this is the case, continue with this procedure, otherwise refer to paragraph 4.4 "Return to the Normal position, Single UPS".

Q1	Q4S	Q3BP	Q5N
	9
8	QF1		11
		13

1 - Set the Normal AC source input switch Q1 (8) to the ON position.

2 - Wait until the end of the start sequence.

3 - Set the battery circuit breaker QF1 (13) (or the battery circuit breakers in the auxiliary cabinets) to the ON position.

The UPS unit starts automatically. LED (31) is ON.

The load is protected by the UPS.

31 32 33

~

?

I O

3s

37

If LED (31) remains OFF, press the ON button (37)

If LED (31) still remains OFF and either of LEDs (32) or (33) is ON, a fault has occurred (see section 4.1).

34001813EN/AE - Page 42