Riello Dialog Plus DLP series Especificaciones descargar pdf (Pagina 13)

SPEDLPX0205REN

DIALOG PLUS

Operating modes

"NORMAL" mode

During NORMAL mode, the UPS power is taken from the incoming mains supply, whilst the UPS output

(load) is supplied by the inverter (refer to the block diagram), and the batteries are maintained at a fully

charged state.

Automatic "BY PASS" mode

The UPS will switch to BYPASS mode in the event of one of the following scenarios:

a) Immediately after the UPS is switched on if the mains power supply is present.

The UPS output is automatically switched onto the by-pass line; therefore the load is temporarily powered

by the incoming mains power supply.

This enables the user to exceed the applied load in-rush current without tripping the fuses to the inverter.

During the transition, the microprocessor ensures that the inverter output is synchronised in phase with the

incoming mains power supply, before the load is switched onto the inverter.

b) If the inverter is permanently overloaded.

The inverter will continue to supply power the load even when there is a temporary overload condition. If

this overload condition persists, the inverter protection is tripped and the UPS will switch the load onto the

by-pass line, therefore the load will be powered from the incoming mains supply.

c) If the voltage produced by the inverter exceeds the allowable tolerance limits.

d) If the inverter or rectifier/booster malfunctions or fails completely.

"BATTERY" mode

The UPS operates in BATTERY mode when the mains power supply fails (short interruptions or total black-

outs). During this mode, the buzzer sounds intermittently:

a) During battery back up (autonomy) mode

b) When the back-up time limit has been reached

Approximately 3 minutes from the end of the back-up time period (configurable via the software), the

yellow "battery discharged" LED will illuminate, and if the management software has been installed, the

programmed shutdown of the IT applications will begin (if configured to do so).

“Error conditions”

The UPS is designed to function reliably and to automatically guarantee the protection of the connected

load. However, particular operating conditions may exist which the operator should be aware of, to ensure

that the UPS continues to provide the highest level of protection and performance.

“Overload”

An overload occurs when the connected load requires a level of power higher than that for which the UPS

has been designed.

This condition is indicated by the red overload LED located on the load LED bar; also during this condition

the buzzer will sound.

To rectify this condition, the user must switch the UPS off (OFF button), reduce the applied load, and switch

the UPS back on again (ON button).

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Riello Dialog Plus DLP series Especificaciones Pagina 13