Outback Power Systems FLEXware 250 User Manual page 5

IMPORTANT SAFETY INSTRUCTIONS
This manual contains important instructions for the FLEXware 250 that must be followed
during its installation and future maintenance for your safety and the integrity of the product.
SAVE THESE INSTRUCTIONS!
Requirements and Warnings
The OutBack Power Systems FLEXware 250 is listed by ETL as an accessory enclosure for
OutBack FX, GTFX, GVFX, and VFX Series Inverter/Chargers to UL standard UL 1741.
This enclosure is intended for battery circuits configured for 12 to 48 volts nominal.
Grounding Instructions – The frame of this enclosure should be connected to a grounded,
permanent wiring system. The AC and DC circuits are not bonded to the FLEXware 250
chassis. System grounding, when required by sections 690.41, 690.42, and 690.43 of the
National Electric Code, ANSI/NFPA 70, is the responsibility of the installer. For most installations,
the negative battery conductor should be bonded to the grounding system at one (and only
one) point in the DC system. All installations should comply with all national and local codes
and ordinances.
The equipment ground on FLEXware 250 is marked with this symbol:
FLEXware is designed for indoor mounting only with appropriate fasteners and a secure
mounting surface that can handle the full weight of an assembled system.
USE ONLY WITH COPPER
CONDUCTORS RATED
75° C MINIMUM
TORQUE DATA FOR SCREWDRIVER LUGS
WIRE SIZE
AWG mm² In Lbs
14 - 10 2.1 - 5.3 20
8 8.4 25
6 - 4 13.3 - 21.2 35
3 26.7 35
2 33.6 40
1 42.4 50
1 / 0 53.5 50
TORQUE DATA FOR BREAKER LUGS
BREAKER STUD
In Lbs
M8 20
1/4 - 20 35
5/16 - 18 50
3/8 - 16 225
DIN RAIL MOUNTED BREAKER TERMINALS - 22 In Lbs
www.outbackpower.com
TORQUE
Nm
2.3
2.8
4.0
4.0
4.5
5.7
5.7
TORQUE
Nm
2.3
4.0
5.7
25.5
375-0095-01-00 REV A