System information

GRAVITAS SABRE SERIES
INSTALLATION &OPERATING MANUAL
Manual No. SABRE-4 Page 29 11/27/07 sabre-man
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Compact Design
Inverter power density up to 5.24W/in³ (0.32W/cm
3
) for 1000VA, 7.87W/in³ (0.48 W/cm
3
) for 1500VA.
Modular design
System output capacity scaleable according to requirements.
Parallel operation and N+1 redundancy
Inverters operate in true N+1 redundant mode with load sharing.
Hot swappable
Inverter modules can be swapped in a live system.
Reliability with optional STS module and MBS module
The STS increases system reliability by automatically switching between the Inverter output and the AC Utility,
providing protection against interruptions caused by system or AC utility failure.
The MBS consists of a mechanical switch providing free maintenance for the safe removal of the STS module without
load power interruptions.
LCD & Led Indicator
The Controller LCD has two functions. It can display the status of the system and each module and it can be used to
set the parameters of the system and the individual modules.
The LEDs indicate individual module status as described in the following table.
The LEDs are either ON, OFF or flashing at one of 6 rates:
Flash 1 – once per second with 50% duty
Flash 2 – once per second with 10% duty
Flash 3 – 2 times per second with 50% duty
Flash 4 – 4 times per second with 50% duty
Flash 5 – 4 times per second with 20% duty
Flash 6 – 5 times per second with 50% duty
Inverter Module LED Display
Priority Green LED LED Signal Status
Solid Inverter operating normally
Flash 1 Inverter is being interrogated by the
controller
Flash 2 One of the status as follows:
1) Power On Sequence.
Details refer to note.
2) Shut down remotely.
Priority Yellow LED LED Signal Status
Flash 2
Power On
Details refer to note.
Solid
Over Load
(Load percent > 100%)
Flash 4
DC input abnormal
( Vin<=45V or Vin>=58 V)
Flash 5
1S
1S
Inverter shut down due to super low
/super high input
(Vin<=VLVSD or Vin>=VHVSD)