Ó
2 0 0 3 - Ma gnum E nergy , I nc.
1 7
2 . I N S T A L L A T I O N
3 . I n s t a lla t io n ,
c o n t in u e d
D C F u s e B lo c k
A fus e or circuit brea ker m us t be loca ted within 1 8 inches of the ba ttery to pro-
tect the DC wiring s y s tem . T he dev ice m us t be ra ted to m a tch the s ize of the ca ble,
but ca n be rounded up to the nex t la rger s ize ( i. e., a ca ble ra ted a t 1 5 0 a m ps ca n
a ccept a 1 7 5 a m p fus e) a s neces s a ry.
Mount the fus e block ( or circuit brea k er a s s em bly ) a s nea r a s pra ctica l to the
ba tteries .
R em ove the fus e ( or open the circuit brea ker) a nd connect a s hort ca ble ( s a m e
ra ting a s the ba ttery ca bles ) to one end of the fus e block .
C onnect the s hort ca ble to the pos itive ba ttery term ina l.
C onnect the pos itive ca ble ( R E D) from the inv erter to the a s s em bly. DO NOT
connect the pos itive ca ble to the inverter a t this tim e.
S ecurely tighten the fus e block ’s lugs . Once the entire ins ta lla tion is com plete,
reins ert the fus e into the fus e block before connecting the pos itive ca ble to the
inverter.
T a b le 3 - D C F u s e R a t in g
C o n d u c t o r S iz e
# 2 A W G
# 2 / 0 A W G
# 4 / 0 A W G
R a ting ( conduit)
1 1 5 A m a x
1 7 5 A m a x
2 5 0 A m a x
R a ting ( free a ir)
1 7 0 A m a x
2 6 5 A m a x
3 6 0 A m a x
B rea k er
N/ A
DC 1 7 5
DC 2 5 0
Fus e
2 0 0 A
3 0 0 A
4 0 0 A
