APC G5USV040P005SAIO Datový list stáhnout pdf (Strana 54)

34001813EN/AF - Page 54

4. Maintenance

4.4 Return to the normal position

Single UPS

Frequency converter

1 - Check that bypass switch Q3BP (10) is ON and that all other switches

are OFF.

2 - Set input switch Q4S (9) to ON.

3 - Set output switch Q5N (11) to ON.

4 - Wait until the display goes on and check that there are no faults on the

static-switch on the bypass line.

5 - Set bypass switch Q3BP (10) to OFF.

6 - Set the input circuit-breaker Q1 (8) to ON.

7 - Set the battery circuit-breaker QF1 (13) (or set the battery circuit-

breakers of the auxiliary cabinets if any) to ON.

The UPS unit starts automatically.

LED (31) is ON.

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

(the system is in manual start mode).

If LED (31) still remains OFF and either of LEDs (32) or (33) is ON, a fault

has occurred (see section 4.1).

1 - Check that all switches are set to OFF.

2 - Set the input circuit-breaker Q4S (9) to ON (check that no cable is

connected on phase 1, phase 2 and phase 3).

3 - Set the input circuit-breaker Q1 (8) to ON.

4 - Set output switch Q5N (11) to ON.

5 - Set the battery circuit-breaker QF1 (13) (or set the battery circuit-

breakers of the auxiliary cabinets if any) to ON.

6 - 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).

Q1 Q4S Q3BP Q5N

QF1

31 32 33

Q1 Q4S Q3BP Q5N

QF1

31 32 33

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 67 68

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APC G5USV040P005SAIO Datový list Strana 54