102 DAA2 & DAX — P/N 53265:A1 8/24/2011
DAA Digital Audio Amplifiers Installation
• EQCAB-D4 - Accommodates four DAAs. Consists of P/Ns EQBB-D4 (black backbox) and
EQDR-D4 (black door with ventilated panels).
• EQCAB-C4 - Accommodates three DAAs. Consists of P/Ns EQBB-C4 (black backbox) and
EQDR-C4 (black door with ventilated panels).
• EQCAB-B4 - Accommodates two DAAs. Consists of P/Ns EQBB-B4 (black backbox) and
EQDR-B4 (black door with ventilated panels).
Figure C.8 EQCAB-D4 Cabinet
C.2.2 Batteries
The DAA works with two 7AH minimum to 55 AH maximum batteries. See “Battery
Calculations” on page 122 for current draw calculations to determine the battery size required for
this installation.
Batteries for the DAA may be installed in any of the following configurations:
• In a CHS-BH1 battery chassis (12AH batteries only), designed for use with the DAA
chassis.
• In the bottom of a CAB-4 series cabinet that holds the DAA.
• In a cabinet adjacent to the cabinet that holds a DAA, with connections in conduit.
NOTE: Digital amplifiers can produce significant heat during their duty cycles. Different cabinets
can handle different amounts of heat. Refer to the Heat Dissipation Calculation document (53645)
to determine dissipation figures for the equipment you are installing, and match it with an
appropriate cabinet.
DAA Mounting
Locations
CABDAA_D4.wmf
WARNING: Batteries contain sulfuric acid which can cause severe burns to the skin and eyes, and
can destroy fabrics. If contact is made with sulfuric acid, immediately flush skin or eyes with water
for 15 minutes and seek immediate medical attention.
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