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Chapter 2: Installation
Circuit Overloading
Consideration should be given to the connection of the equipment to the supply circuit and
the effect that overloading of circuits could have on overcurrent protection and supply
wiring. Ensure that the total rack or breaker power consumption does not exceed the limits
of the AC branch circuit. Appropriate consideration of equipment ratings should be used
when addressing this concern.
Reliable Earthing
When connecting the Unity 550 unit to the power supply, review the ratings of all equipment
in the circuit to ensure that the branch circuit, as well as the power source, will not be
overloaded. Also make sure that the unit is properly grounded and/or that a protected power
strip is used to attach it to the power supply
Rack Mounting
The Unity 550 unit should be installed in such a way that a half-inch clearance is allowed on
each side and a quarter-inch on the top to ensure adequate air flow. Ensure that a
hazardous condition is not produced by uneven loading, or by resting any unsupported
equipment on a rack-mounted Unity 550 unit.
Parts for the Unity 550 unit include 2 angle rack mount brackets and 4 rubber feet. For rack
mounting, do not attach the rubber feet as they interfere with the rack mounting.
1. Remove the 2 screws from the left and right sides of the unit.
2. Insert the angle brackets into the left and right sides of the unit ensuring that the screw
holes for the unit and brackets are aligned.
3. Secure the brackets by re-inserting the screws through the brackets and unit.
4. Install the unit onto the rack.
Note:
Desktop Installation
Parts for the Unity 550 unit include 2 angle rack mount brackets and 4 rubber feet. For
desktop installation, do not attach the brackets.
1. Attach the 4 rubber feet onto the indented areas at the bottom of the unit.
2. Place the unit on a flat surface where it will not be subject to spills or impacts.
3. Route cables to the unit so that they will not be hit or pulled, causing damage to the
connectors or to the unit itself. Ensure a sufficient flow of cool air so that the unit's
operating ambient temperature range is not exceeded.
10
The front brackets must be secured to the rack. If the front brackets are left
unsecured, the unit may shift forward and fall from the rack, and may result in
personal injury and/or damage to the equipment. The internal temperature of the
rack should not exceed 40
800072-01 Rev. A
o
C.
www.wegener.com
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