Siel Green Point 6:20KVA Specifications download pdf (Page 20)

SP121E Rev. 000 Siel S.p.A. Pag. 20 of 42

Issued date: 2005-05-06

GREEN POINT

ON - LINE

With the factory default setting, the UPS goes into ON LINE mode when switched on.

Display

message

Power

supply

SWIN FBY FBAT SWOUT SWMB Led

BATT

Led

OUT

Led

Buzzer

NORMAL

OPERATION

ok on on on on off off on on off off

MAINS present and load powered.

The load is constantly supplied by the inverter with a stabilised and regulated voltage and frequency. If

a fault with the incoming mains supply occurs the UPS will instantaneously switch over to batteries,

which provide the power to the inverter and therefore maintains the power supply to the load. The

battery is then automatically recharged when the mains supply returns.

During either of these two operational conditions the inverter constantly supplies power to the load with

a stabilised and regulated voltage and frequency, ensuring that the load has a high degree of immunity

to disturbances etc, due to the double conversion. In the event of mains failure, no disruption in the

supply to the load will occur as the transfer is instantaneous.

STAND-BY ON

The STAND-BY ON mode and the by-pass line tolerance range must be set using the control panel.

The standby-on function reduces the energy dissipated by the system

Display message

Power

supply

SWIN FBY FBAT SWOUT SWMB

Led

BATT

Led

OUT

Led

Buzz

NORMAL OPERATION

MODE STBY=ON

ok on on on on off off on on on off

The Converter remains active and the batteries are kept charged:

The switching time between the inverter and the by-pass line can be either set to immediately (Economy

Mode), or delayed up to a maximum of 180 minutes (Smart Active Mode). For the system to switch the

load onto the by-pass line, the bypass supply must be within the configured acceptable range for the

pre determined time set.

The system remains on the by-pass line for as long as the voltage and frequency fall within the

acceptable predetermined range. The input “IN” (green), output “OUT” (green), by-pass “BY”(yellow)

LEDs are permanently lit on the display panel.

During this operating mode, energy dissipated is significantly reduced (efficiency = 98%)

If the by-pass line fails or the voltage or frequency exceed the acceptable range, the load is

automatically switched onto the inverter output.

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Siel Green Point 6:20KVA Specifications Page 20

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