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The DC connections (continued)

3. You will also need to establish a path between the

charger’s common DC negative output and the common
negative

(-)

engine ground connection. This is normally

where the batteries’ negative cables connect to the engine
block.

(When installing this unit in outboard powered

boats, the DC negative

(-)

charger output will be

connected directly to the negative

(-)

terminal of one or

both batteries.)

Do not connect any wires to the batteries or to the charger

until AFTER you have cut each one to size, crimped an

appropriate connector onto each end and securely mounted

the wires with the screw-down cable ties. This

can help to

prevent accidental short-circuits during your installation.

4. After you have determined an appropriate path for the

DC wires to each battery, cut them to size, leaving three
feet extra. Strip 3/8” of insulation from the battery ends
of the

red

wires. Test fit a

5/16”

ring terminal onto the

threaded positive (+) posts ofyour batteries. Remove the
ring terminal from the battery post and

crimp or solder it

onto the battery end of the red wire.

5.

Repeat step 4 for the red positive wire leading to the
other battery ‘s positive post~.

6. Repeat step 4 for the black wire, using a ring terminal

that will fit your engine’s negative ground terminal.

7. Use screw mounted cable ties or wire straps to fasten all

the wires between the batteries and the charger onto solid
surfaces. Avoid running wires over sharp edges or near
areas ofextreme heat.

Remove the two screws on the lower face of the
expose the wiring terminals. The AC and DC
terminals are arranged as shown here:

to

Diagram

3

II

to Battery 2

POSITIVE

POSITIVE

BLACK

to NEGATIVE

DC ground

NOTE: When charging only one

I

(engine block)

a 12 ga. jumper wire must be a
between output posts DC #1 and DC

This is the correct way to attach terminals to the

Diagram

4

II

1l~

-9-

-10-

Summary of Contents for 2815M

Page 1: ...FROM THE DATE OF PURCHASE THIS IS THE EXCLUSIVE REMEDY AND CONSEQUENTIAL DAMAGES ARE EXCLUDED WHERE PERMITTED BY LAW CUSTOMER SERVICE If you our customer have any questions concerning Guest products p...

Page 2: ...board that requires substantial amounts of DC current while at dockside such as aDC only refrigeratoror ice maker aDC only air conditioner or heater a large number of 12 volt DC lights in use Iwo dif...

Page 3: ...ccurs in the DC system connected to this charger it will reduce its output voltage to a safe level In the event of a dead short the charger s output voltage will effectively be zero volts Oncethe over...

Page 4: ...connections on the charger after it is mounted 5 Hold the battery charger against the surface wh re you are planning to mount it Be sure that you will bc able to drill holes through this surface late...

Page 5: ...ire in feet as measured from the battery chargerto the farthestbattery and back to the charger maximum 3 voltage drop 10 l4ga l2ga lOga tOga tOga 6ga 115 I2ga lOgs lOga Sga 8ga 6ga 6ga I 20 10 ga 10 g...

Page 6: ...Strip 3 8 of insulation from the battery ends of the red wires Test fit a 5 16 ring terminal onto the threaded positive posts ofyour batteries Remove the ring terminal from the battery post and crimp...

Page 7: ...r s cord into an AC outlet until after you complete the following steps Finishing the wiring connections 1 Connect the DC output wires to the DC output ten ninals of the charger as shown in diagram 3...

Page 8: ...e of the overload or short and th n re test the charger as described under Operation to confirm that it is charging properly 2 The green LED light blinks and the amp me er porn er fluctuates rapidly 1...

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