User Manual

US • 7
Caution: If the MULTI US 3300 does not switch to maintenance charge mode after three
days, manually switch it to pulse maintenance mode. If the set has been switched to
maintenance charge, then everything is in order. Note: A battery that hasn’t changed to
maintenance charge after three days is most likely worn out and needs to be replaced. All
otherbatteriescanbemaintainedforaverylongtime.
CHARGING
Connecting the MULTIUS3300:
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Whenthebatterycableisbeingconnectedordisconnected,theplugofthe
MULTIUS3300mustbedisconnectedfromthepowersocket.
Establishwhichterminalisground(connectedtothechassis).Normallythenegative
terminal is grounded.
Charging a battery grounded to the negative terminal: Negative-grounded vehicle
Charger connection.
Connectpositivechargerclip(red)topositivebatteryterminal.
Connectnegativechargerclip(black)toagoodmetalenginegroundawayfromthe
battery.Donotconnectcliptofuellinesorsheet-metalbodyparts.
Connect the AC cord to the socket. The red alarm indication light
will indicate a
battery which is connected to reverse polarity.
Charging a battery grounded to the positive terminal: Positive grounded vehicle
Charger connection.
Connectnegativechargerclip(black)tonegativebatteryterminal.
Connectpositivechargerclip(red)toagoodmetalenginegroundawayfromthe
battery.Donotconnectcliptofuellinesorsheet-metalbodyparts.
ConnecttheACcordtothesocket.Theredalarmindicationlight will indicate a
battery which is connected to reverse polarity.
Connecting the MULTI US 3300 to an out of vehicle battery:
Check polarity of battery terminals. POSITIVE (POS, P, +) battery post usually has
larger diameter than NEGATIVE (NEG, N, -) post.
ConnectPOSITIVE(RED)chargercliptoPOSITIVE(POS,P,+)batterypost.
Connect NEGATIVE (Black) charger clip to NEGATIVE (NEG, N, -) battery post. The
red alarm indication
lightwillindicateabattery,whichisconnectedtoreverse
polarity.
Connectcharger’sACcordtosocket.
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When disconnecting charger, disconnect in reverse sequence from connecting
procedure. See operating instructions for charge information.
1.
2.
3.
a)
b)
c)
4.
a)
b)
c)
1.
2.
3.
4.
5.
6.