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2 0 0 3 - Ma gnum E nergy , I nc.
8
2 . I N S T A L L A T I O N
2 . P r e - I n s t a lla t io n , continued
H a r d w a r e / M a t e r ia ls R e q u ir e d
C onduit, s tra in- reliefs a nd a ppropria te fittings
1 / 4 " m ounting bolts a nd lock wa s hers
E lectrica l ta pe
W ire ties
T o o ls R e q u ir e d
Mis c s crew driv ers
Level
1 / 2 " wrench
Drill a nd drill bits
Pliers
W ire s trippers
Level
Pencil or Ma rk er
Multim eter
W ir in g
Pre- pla n the wire a nd conduit runs . For m a x im um s a fety, run both AC a nd DC
wires / ca bling in ( s epa ra te) conduit. Direct current wiring, due to its potentia l to
genera te R FI , s hould be tied together with electrica l ta pe. W iring a nd ins ta lla tion
m ethods m us t conform to a ll a pplica ble electrica l codes .
NOT E : R un DC ca bling in twis ted pa irs , k eeping the runs a s s hort a s pra ctica l.
A C C o n n e c t io n s
Us e # 1 0 AW G ( or la rger) T HHN wire for a ll AC wiring. T he inverter ’s AC term ina l
block s a ccept up to # 6 AW G wire.
D C C o n n e c t io n s
B a ttery to inv erter ca bling s hould be only a s long a s required. I f us ing # 2 / 0 AW G
ca bles , do not ex ceed 5 feet ( one way ) for 1 2 V DC s y s tem s .
C rim ped a nd s ea led copper ring term ina l lugs with a 5 / 1 6 ” hole s hould be us ed to
connect the ba ttery ca bles to the inv erter ’s DC term ina ls .
A C G r o u n d in g
T he AC G round connection loca ted in the AC com pa rtm ent m us t be wired to the m a in
AC G round of the dis tribution pa nel.
D C G r o u n d in g
T he inv erter/ cha rger s hould a lway s be connected to a perm a nent, grounded
wiring s y s tem . For the m a jority of ins ta lla tions , the nega tiv e ba ttery conductor is
bonded to the vehicle’s s a fety - grounding conductor ( green wire) a t only one point in
the s y s tem . T he s ize for the conductor is us ua lly ba s ed on the s ize of the la rges t
conductor in the DC s y s tem . DO NOT connect the ba ttery nega tive ( - ) ca ble to the
vehicle’s s a fety ground. C onnect it only to the inv erter ’s nega tive ba ttery term ina l.
I f there a re a ny non- fa ctory ins ta lled DC a pplia nces on boa rd the v ehicle, DO NOT
ground them a t the s a fety ground. G round them only a t the nega tiv e bus of the DC
loa d center ( a s a pplica ble) .
