Ó
2 0 0 3 - Ma gnum E nergy , I nc.
1 2
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
B a t t e r y C a b le s a n d S iz in g
S elect the correct ba ttery ca bles for the ins ta lla tion from the ta ble. I t is im por-
ta nt to us e the correct ca ble to a chieve m a x im um efficiency from the s y s tem a nd
reduce fire ha za rds a s s ocia ted with overhea ted ca bles . Unders ized ca bles ca n a ls o
lower the inverter ’s pea k output v olta ge a s well a s reduce its s urge power ca pa bility.
Long ca ble runs a ls o reduce efficiency due to res is ta nce in the ca ble. Alway s k eep
your ca ble runs a s hort a s pra ctica l.
B a ttery ca bles m us t be color coded with colored ta pe or hea t s hrink tubing: R E D
for pos itiv e ( + ) ; B LAC K for nega tiv e ( - ) ; a nd G R E E N for DC ground.
T he ca bles m us t ha ve s oldered a nd crim ped lugs , crim ped copper com pres s ion
lugs , or a lum inum m echa nica l lugs . S oldered connections a lone a re not a ccepta ble
for this a pplica tion.
D C W ir in g
R efer to the s a fety inform a tion a t the beginning of the m a nua l before proceeding. DC
wires a nd ca bles s hould be tied together with wire ties or electrica l ta pe a pprox i-
m a tely every 6 inches .
W A R N I N G : D e - e n e r g iz e a ll s o u r c e s o f p o w e r in c lu d in g b a t t e r ie s ( D C ) , s h o r e
p o w e r ( A C ) , a n d A C g e n e r a t o r ( if a p p lic a b le ) .
C A U T I O N : I n v e r t e r is N O T p o la r it y p r o t e c t e d . V e r if y p r o p e r p o la r it y B E F O R E
c o n n e c t in g t h e b a t t e r y c a b le s .
NOT E : DO NOT connect the ba ttery ca bles to the inverter until a ll wiring is com plete
a nd the correct DC volta ge a nd pola rity ha s been verified.
NOT E : Ma k e s ure ca bles ha ve a s m ooth bend ra dius a nd do not becom e k ink ed.
Pla ce long ca ble runs in conduit a nd follow ex is ting wire runs where pos s ible.
D C G r o u n d in g
R oute a grounding ca ble ( G R E E N) from the inv erter ’s ground lug to a dedica ted
vehicle ground.
N e g a t iv e C a b le
R oute a nega tive ca ble ( B LAC K ) from the hous e ba ttery ba nk ( or dedica ted ba t-
tery com pa rtm ent) to the inverter ’s nega tive term ina l
P o s it iv e C a b le
R oute a pos itive ca ble ( R E D) from the hous e ba ttery ba nk ( or dedica ted ba ttery
com pa rtm ent) to the Fus e B lock a s s em bly ( DC Dis connect) . T he DC dis connect is
us ua lly loca ted nex t to or nea r the ba tteries . DO NOT connect the pos itiv e ca ble to
the ba tteries a t this tim e.
R oute a pos itive ca ble ( R E D) from the Fus e B lock a s s em bly ( DC Dis connect) to
the
inv erter ’s pos itive term ina l DO NOT connect the pos itiv e ca ble to the inverter a t this
tim e.
