Product Manual

© 2013 Magnum Energy, Inc.Page 15
I nst alla t ion
Table 2 - 2 , D C W ire Size For I ncreased D ista nce
I nverte r
Model
Minim um Re com m ende d D C W ire Size ( on e w a y) *
1 .5 m ( 5 ft ) or less 1 .5 - 3 m ( 5 - 1 0 ft ) 3 - 4 .5 m ( 1 0 - 1 5 ft)
I n Conduit I n free a ir I n Con duit I n free a ir I n Conduit I n free a ir
MS4124PE
107.2 mm
2
(#4/0 AWG)
67.4 mm
2
(#2/0 AWG)
107.2 mm
2
x2
(#4/0 AWG x2)
107.2 mm
2
(#4/0 AWG)
not
recommended
107.2 mm
2
x2
(#4/0 AWG x2)
MS4348PE
67.4 mm
2
(#2/0 AWG)
33.6 mm
2
(#2 AWG)
107.2 mm
2
(#4/0 AWG)
42.4 mm
2
(#1 AWG)
107.2 mm
2
x2
#4/0 AWG x2
53.5 mm
2
#1/0 AWG
* Copper wire rat ed wit h 90° C (194° F) insulat ion at an am bient tem perat ure of 30° C (86°F).
2 .4 .3 DC Cable Conne ct ions
Do not put anything between the battery cable ring lug and the battery post or the fl at metal part
of the inverter’s DC terminal. When connecting the battery cable to the battery post or inverter
DC terminal, the cable should be placed directly against the inverter DC terminal or battery post.
Incorrectly installed hardware causes a high resistance connection, which could lead to poor
inverter/charger performance and may melt the cable and terminal connections.
Refer to Figures 2-5 and 2-6 to connect the DC cables and to stack the hardware correctly. Tighten
the terminal connections from 13.6 to 16.3 N-m (10 to 12 ft lbf).
CAUTI ON : The DC terminal and Flange/Kep nuts are made of stainless steel, which has
a high likelihood of seizure. To help prevent the bolt and nut from seizing—causing the
bolts to strip or snap/break-off—the use of anti-seize lubricant is highly recommended.
I nfo: If antioxidant grease or spray is used, apply it after all the connections have
been made and are properly tightened.
I nfo: A 1/2-inch wrench or socket is used to tighten the 5/16 SAE Kep nuts.
Figure 2 - 5 , Ba t t ery Hardw a r e
I nst a lla t ion
Figure 2 - 6 , I nverter DC Hardw a r e
I nst a lla t ion
battery cable
(with ring lug)
nut
split washer
flat washer
Battery
Temperature
Sensor
battery
post
CAUTI ON :
Ensure nothing is
placed between
the cable ring lug and
the battery post.
5/16 -18"
Flange or
Kep nut
battery cable
(with ring lug)
Inverter DC
terminal
(5/16 -18" bolt,
5/8" length)
CAUTI ON :
Ensure nothing is
placed between
the DC terminal
and the ring lug.