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Included Accessories
Mounting the controller
Mounting the MU-2300 and MU-3300
Use the rack-mounting brackets (supplied with the MU-2300/3300) for equipment rack installations. Remove the
mounting brackets and apply the rubber feet to the bottom of the controller for flat surface installations.
Installing the Controller into an Equipment Rack
The MU-2300/3300 each ship with removable rack ears for installation into an equipment rack. The following
instructions apply to the MU-2300/3300.
Rack Mount Safety Instructions
Be sure to follow these important safety instructions when installing your central controller:
If installed in a closed or multi-unit rack assembly, the operating ambient temperature of the rack environment
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may be greater than room ambient. Therefore, consideration should be given to installing the equipment in an
environment compatible with the maximum ambient temperature 60°C (140°F).
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Installing the equipment in a rack should be such that the amount of air flow required for safe operation of the
equipment is not compromised.
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Mounting the equipment in the rack should be such that a hazardous condition is not achieved due to uneven
mechanical loading.
Consideration should be given to the connection of the equipment to the supply circuit and the effect that
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overloading of the circuits might have on over current protection and supply wiring. Appropriate consideration
of equipment nameplate ratings should be used when addressing this concern.
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Reliable earthing of rack-mounted equipment should be maintained. Particular attention should be given to
supply connections other than direct connections to the branch circuit (e.g. use of power strips).
NOTE: To avoid repeating the installation, test the incoming wiring by connecting the Controller's connectors to their
terminal locations and applying power. Verify that the unit is receiving power and functioning properly. Disconnect the
terminal end of the power cable from the connected 12 VDC-compliant power supply.
1. Use the supplied #8-32 screws to secure the rack ears to the sides of the controller. You can attach the rack ears
toward the front or rear panel for either a front-facing or rear-facing installation.
2. Slide the unit into the rack until the attachment holes, along both sides, align to their corresponding locations on
the mounting brackets
3. Thread the cables through the opening in the equipment rack. Allow for enough slack in the cables to
accommodate for movement during the installation process.
4. Reconnect all cables to their appropriate source/terminal locations. Refer to the Wiring and Connections section
on page XXX for more detailed wiring and connection information. Verify that the terminal end of the power
cable is not connected to the power supply before plugging in the 2-pin power connector
5. Secure the controller to the rack by using the four #10-32 screws supplied in the kit.
1x 2-pin 3.5 mm mini-Phoenix PWR connector
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2x 6-pin 3.5 mm mini-Phoenix I/O connectors
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2x 8-pin 3.5 mm mini-Phoenix Relay connectors
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2x 10-pin 3.5mm mini-Phoenix RS232/422/485 connectors
6x 5-pin 3.5mm mini-Phoenix RS232 connectors
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2x CC-NIRC, IR Emitters (FG10-000-11)
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2x removable rack ears
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pg. 20
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