Callout Component Name
Description
7
Terminal block for removing heat sink
assembly (TB4) 6KW, 8KW
Behind hinged panel for all others
5-position terminal block (TB4). This terminal block
provides quick and easy removal of power assembly.
8
Fan transformer, Control power transformer
(T2) 6KW, 8KW
Behind hinged panel for all others
Provides 120 VAC to the fans, with taps to match unit
output voltages.
9
Control transformer fuse (F1), 6KW, 8KW
Behind hinged panel for all others
Control transformer over current protection.
10
Fan fuse (F2) 6KW, 8KW Behind
hinged panel for all others
Fan overcurrent protection.
11
Fan(s) and under heatsink
Provides system cooling.
12
Output isolation transformer T1, as required
Provides isolation between the inverter and protected
output. Power to the primary of this transformer is
received from the unit and is transformed to the
appropriate output voltage levels. It also adds a
screen to the main menu.
13
Inverter test switch (S2)
Push-button switch for testing the Lighting Inverter
and its batteries for proper operation. When the unit
is operating, pressing and holding in switch SW-2
transfers the system to battery operation. The system
continues to run on batteries until the switch is
released. When the switch is released, the system
returns to normal operation so long as input power is
present.
14
(Main Input breaker (CB3)
Provides input overcurrent protection.
15
Battery breaker (CB1)
Provides overcurrent protection for battery bank.
16
Main output breaker (CB2)
Provides output overcurrent protection.
17
(Optional) Output Auxiliary Breakers
Normally ON/OFF Output Auxiliary Breakers (6)
(Optional).
18
(Optional) Gnd/Neu terminals
Gnd/Neu terminals for optional auxiliary output
breakers (optional).
19
Bypass switch
Optional: Removes the critical load from the backup
power and provides utility input directly to the load in
case the unit malfunctions or during system
maintenance (optional). Refer to 3.2.5 page 7 for
detail.
20
(Optional) TVSS (Transient Voltage Surge
Suppressor)
This option is a no-fuse, fail-safe surge suppressor
featuring a fail-safe self-protected design, visual
indicator.
21
(Optional) Interfaces terminal blocks for
customer connection (General location)
Options customer connections i.e. form “C” contact
terminals, RS232…....each terminal is marked
accordingly for proper connection refer to each
option for connection details in each cabinet size.
Beghelli U.S.A., 3250 Corporate Way, Miramar, Florida, Tel: (800) 726-4316 Tel: (954) 442-6600 Fax: (954) 442-6677
NOVA
6, 8, 10, 15 & 17KW