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Installation
Installation
It is recommended that a professional who is skilled in all
aspects of installation and operation install the MCC404/
MCC404M and any associated mobile audio equipment.
Amplifier Ventilation
Always provide adequate ventilation for the MCC404/
MCC404M. The amplifier requires an adequate airflow
into the cooling fans, which are located on the left side of
the amplifier. The warm air exits the amplifier through
vents on the heatsinks. See figure 1. Be sure to provide at
least 1-1/2 inches clearance in front of the cooling fans and
1 inch clearance at the sides of the heatsinks.
The cooling fans are controlled by temperature sensors,
attached to the interior of the tunnel. The fans are normally
off. If the program material contains sustained loud pas-
sages demanding high power, the fans will turn-on to in-
crease cooling. If cooling is still not sufficient, additional
heating will shut down the amplifier internal power supply
completely and the Power Guard LEDs will light. The fans
will continue to run and once normal temperatures are re-
stored, operation will resume.
The amplifier can be mounted vertically or horizontally
and may be located under a seat if adequate clearance is
available. The preferred installation method is to mount the
amplifier directly to the vehicle main frame using the hard-
ware supplied with the amplifier.
It is not recommended that the amplifier be mounted
under the hood or in a location where it will be directly ex-
posed to the elements. The openings in the fan housings
and heat tunnel vents can allow internal components to be
damaged by exposure to water, chemicals or any form of
road dust or debris.
Removing the Glass Panel
To access the MCC404/MCC404M Controls, remove the
glass panel by removing the four hex bolts with the sup-
plied 3/32 hex key. See figure 2. Attach the supplied suc-
tion cup to the top center of the glass panel and carefully
raise it high enough to put your hand under. Temporarily
place the removed glass panel in a safe place, remove the
suction cup and save it for future use.
Removing the End Caps
To access the MCC404/MCC404M Connecting Terminal
Blocks, remove the Glass Panel first (the above step) and
then remove the Phillips Screws holding the End Caps on
both sides of the amplifier and lift the end caps off. See fig-
ure 3.