AMERITRON ALS-500M Gebruiksaanwijzing - Pagina 7

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ALS-500M

AWG

(single conductor)

10 gauge

8 gauge

6 gauge

4 gauge

For best performance the voltage drop at maximum power in the high current power and ground leads

should be limited to a 0.2 volt maximum. Refer to the Interconnections section for information on the

wiring and fuse requirements of this amplifier.

Fuse Holder Installation

Included in the wire harness bag are 3 fuses and fuse holders. Install these fuse holders at the battery

or electrical system voltage source after the power harness wires have been routed to their final

destinations.

The cartridge type low current fuse holder is for the red low current power lead. Use 3AG type

(automotive glass) 5 ampere fast blow fuses for this lead. This holder is usually shipped with the lead

connected to both sides of the holder. Cut the lead in the middle and remove 1/2 inch of insulation.

Connect the short side of the holder (without a spring) to the lead from the amplifier. If a remote

on/off switch other than the ALS-500RC is used it should be installed between this fuse and the

amplifer. Connect the long side of the holder to an ignition key switched source or to a positive

battery lead. A switched source can usually be obtained from a fuse in the fuse box (radio or

accessory) or a convenient wire under the dash. Use wire nuts or solder and tape all connections.

The plug-in fuse holders and 30 ampere fuses are for the red high current power leads. Do not insert

any fuses until wiring is complete. These holders have Teflon coated 12 gauge leads. They can be

used for any size of power lead because their length is short. Solder one lead of each holder to one of

the lugs supplied. Install the lugs over the starter solenoid post that connects to the battery or over the

bolt that secures the positive battery terminal. Use a separate nut to secure the lugs to avoid disturbing

battery connections if possible.

Connect the other lead of each 30 ampere fuse holders to the heavy gauge power leads by stripping,

twisting, and then soldering the leads together. Bare wires should be wrapped with several layers of

electrical tape. Be sure to dress all amplifier leads so that they are not exposed to sharp edges, high

temperatures, or moving parts. After wiring is completed install the fuses.

Auxiliary Battery Installation

If possible, avoid the use of an auxiliary storage battery. Ameritron does not assume any liability and

does not recommend the use of an auxiliary battery. The individual installation is left entirely up to

the installer. The following suggestions will increase the safety of the installation.

The positive lead that connects the auxiliary battery to the main battery should be fused at both ends

with automotive type fuse links rated at 75 to 100 amperes. The positive power cable that connects the

Voltage Drop

Maximum Length For

at 40 amps

0.04 V/ft

0.025 V/ft

0.015 V/ft

0.01 V/ft

Full Performance

5 ft.

8 ft.

12 ft.

20 ft.

Instruction Manual