Wiring and Connections
9
Mi Series Audio Controllers
Wiring and Connections
Pre-Installation Precautions and Recommendations
The Mi Series system is extremely flexible. It can be installed in a number of configurations depending
on your audio needs. The capacity of a single unit is 8 independent zones and is typically wired with at
least one keypad or DAS-IRRX-SWT Stealth IR Receiver located in each zone. In some cases it is
desirable to operate a second set of speakers within the same zone controlled by the same keypad. The
Mi Controller will power 2 sets of speakers as long as the impedance does not drop below 4 ohms.
If you have two common zones such as the Master Bedroom and Master Bathroom you can use a single
keypad and multiple analog volume controls for independent control of the two areas while sharing the
same source control capability. Up to 2 Matrix keypads can also be connected in a zone with a single pair
of speakers.
A system installation will go much faster and more smoothly if job plans are completed prior to the
actual installation. Accurate record keeping will assist not only in the installation but also in training the
client in the operation of the system. This will also be a great tool for any future servicing issues that
may arise.
We recommend that you make copies of the records, and leave them behind with your client, and put one
copy in your client’s file. For your convenience, Programming worksheets are available at
www.amx.com.
See the Multiple Keypads in Zone section on page 18 for details.
Note to Professional Installers
AMX always recommends professional installation for our products. As with any entertainment product
in a home or commercial application, a Matrix Distributed Audio system installation will go much faster
and more smoothly if job plans are completed prior to the actual installation.
Installing Source Equipment
To meet airflow and cooling requirements, place each audio source on an individual shelf and allow a
minimum of 3” clearance on the sides and top of the unit. Stacking equipment is not recommended as
this presents situations in which airflow is restricted or component cooling may be impaired. The audio
source equipment and the Controller will generate small amounts of heat that must be dissipated to
extend component life and maintain performance.
Equipment should have adequate room in the rear for the cables to reside. If rear access, or a rack a
mounted structure has been provided then cable installation will be much easier.
Cabling Installation Instructions
Please be sure to check for any wiring restrictions required by the electrical code in your area.
This installation uses low voltage cabling similar to telephone and alarm wiring, and as such does not
commonly have very many restrictions on their installation. However rules may vary in different regions.
Please check with your local code enforcement official to determine if any specific conditions must be
met to comply with local electrical codes.
Each zone can be configured with either 2 pushbutton keypads (Numeric or Source),
or 1 LCD Keypad and 1 pushbutton Keypad, but not 2 LCD keypads.
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