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SECTION 5 |
Max Continuous
steady state dC
input Current
Model no.
(see note 1)
G4-2012A
250A @ 10v
G4-2524A
150A @ 20v
G4-3524A
215A @ 20v
Using Proper DC Cable Termination
The battery end and the inverter end of the wires should have proper
terminal lugs that will ensure a firm and tight connection. Choose lugs to
fit the wire size and the stud sizes on the inverter and battery ends.
The following terminal lugs have been provided for the inverter end:
• 2 copper terminal lugs for battery wires
-
To accommodate up to MCM/kcmil 250/300 for
G4-2012A and G4-3524A and stud size M8
-
To accommodate up to AWG#3/0 for G4-2524A & stud size M8
• 2 copper terminal lugs for external charger wires to
accommodate up to AWG#4 & stud size M8
Reducing RF Interference
To reduce the effect of radiated interference, shield the wires with
sheathing / copper foil / braiding.
Taping battery Wires Together
To Reduce Inductance
Do not keep the battery wires far apart. Keep them taped together to
reduce their inductance. Reduced inductance of the battery wires helps
to reduce induced voltages. This reduces ripple in the battery wires and
improves performance and efficiency.
AC Side Connections
WARnInG!
In default condition, the neutral of the AC output of the unit
•
in the "Inverter Mode" gets bonded to the metal chassis of the
unit through the internal "neutral to Chassis Switching Relay".
In the "Utility / Generator Mode", the internal "neutral to
Chassis Switching Relay" disconnects the neutral of the AC
output connection from the chassis of the unit. The neutral of
the AC output connection of the unit will get bonded to the
Installation
TAbLe 5.1: SIZInG oF bATTeRY SIDe CAbLeS AnD FUSeS
125% of Max
Conductor size Based on ampacity (see notes 3, 4 & 6)
Continuous steady
3' distance
state Current
size (ampacity)
(see note 2)
MCM/kcmil 300
312.5A
(320A)
AWG #2/0
187.5A
(195A)
MCM/kcmil 250
268.75A
(290A)
6' distance
10' distance
size (ampacity)
size (ampacity)
MCM/kcmil 300
MCM/kcmil 300
(320A)
AWG #2/0
(195A)
MCM/kcmil 250
MCM/kcmil 250
(290A)
earth Ground through the neutral to earth Ground bond in
the Service entrance / AC output connections of the generator.
•
System grounding, as required by national / Local electrical
Codes / Standards, is the responsibility of the user / system
installer.
9
Size of terminal slot for wire entry: 6 x 4.5 mm
Wire size accepted by the terminal hole: AWG#6 - 20
9 HOT IN - AC Input , Hot / Line
10 NEU IN - AC Input Neutral
11 GND IN - AC Input Ground
12 GND OUT - AC output Ground
13 NEU OUT - AC out, Neutral
14 HOT OUT - AC out, Hot / Line
15 AC Breaker marked "Charger"
16 AC breaker marked "Load"
Fig 5.9 AC side Layout & Connections
Maximum
external
Fuse size
(320A)
320A
AWG #2/0
(195A)
195A
(290A)
290A
15
16
10
11
12
13
14
SAMLEX AMERICA INC. | 27
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