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Importance of Proper Ventilation

For placement of the amplifier, keep the following in mind:

Make sure that air can circulate freely from left to right for adequate ventilation. There are vents on the

sides.

The temperature of the rack should be controlled to ensure that amplifiers are not exposed to ambient

temperatures exceeding 40 °C (104 °F).

Do not cover or block amplifier vents.

Do not place the amplifier in an enclosed space, such as a cabinet.

Make sure the chassis is protected from heat and kept away from direct heat sources, such as heating

vents and radiators.

The two fans in each amplifier run together at a variable speed. The fans will spin faster as the internal

temperature increases in order to keep the amplifier out of thermal shutdown when operating at 40 °C

(104 °F) or less, and at 200 watts of continuous power or less.

CAUTION: Do not allow the chassis to exceed the maximum operating temperature of 40 °C (104 °F).

Be aware of conditions in an enclosed rack that may increase the temperature above room-ambient

conditions. If the amplifier becomes too hot, it will go into a thermal protection mode and mute all

outputs.

PowerShare amplifiers are designed to fit standard 48-centimeter (19 in) rack equipment, occupying 1 rack-

unit (RU) in height, requiring a mounting depth of 40.1 centimeters (5.8 in) from the front rack rail. Use four

fasteners with washers (not supplied) to mount the amplifier front panel rack ears to the equipment rack rails.

CAUTION: Only use the mounting hardware recommended by the rack manufacturer.

The amplifier is designed to mute all outputs either when the Mute contacts are shorted together, or when the

Mute contacts are opened, depending on the amplifier configuration.

The default state is Normally Open (NO), where a short across the mute connector will mute all outputs. The

mute polarity can be inverted to Normally Closed (NC), where an open across the mute connector will mute

all outputs, using ControlSpace Designer.

Note: All Limit LEDs will blink red when the amplifier is muted from software, or from the rear panel mute

connector.

Use the included 2-pin Euroblock.

Installation Guide • PowerShare PS604D/PS404D

Installation

English • 15