Technical Publication
PowerShift V4
Quick Start Guide
®
The patent pending PowerShift V4 system is designed to optimize electrical draw by fixing voltage at the RRU to match
your exact RRU power requirements.
Important Safety Instructions
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Save these instructions.
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Read and follow all safety statements, warnings, and precautions in this manual before installing, maintaining, or
repairing this equipment.
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This equipment is not suitable for use in locations where children are likely to be present.
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This equipment is intended only for use in restricted access areas.
Consignes de sécurité importantes
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Conservez ces instructions.
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Lisez et suivez toutes les consignes de sécurité, les avertissements et les précautions de ce manuel avant d'installer,
d'entretenir ou de réparer cet équipement.
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Cet équipement n'est pas adapté à une utilisation dans des endroits où des enfants sont susceptibles d'être
presents.
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Cet équipement est destiné uniquement à être utilisé dans des zones à accès restreint.
Safety Statements
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Do not install this equipment over combustible surfaces.
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Rules and Regulations - Follow all national and local rules and regulations when making field connections.
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Compression Connectors:
o U. S. or Canada installations - use Listed/Certified compression connectors to terminate Listed/Certified
field-wire conductors.
o All installations - apply the appropriate connector to the correct size conductor as specified by the
connector manufacturer, using only the connector manufacturer's recommended or approved tooling for
that connector.
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Electrical Connection Securing: Torque to the values specified on labels or in the product documentation.
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Cable Dress - dress to avoid damage to the conductors and undue stress on the connectors.
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Circuit Breakers and Fuses:
o Use only those specified in the equipment ordering guide.
o Size as required by the National Electric Code (NEC) and/or local codes.
o Safety Tested Limits - Refer to the equipment ratings to assure current does not exceed:
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Continuous Load (List 1) - 60% of protector rating
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Maximum Load (List 2 - typically end of discharge) - 80% of protector rating.
o GMT Style Fuses - Use only fuses provided with safety caps.
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Field-wired Conductors - Follow all National Electric Code (NEC) and local rules and regulations.
o Insulation rating: 90°C minimum; 105°C (minimum) if internal to enclosed equipment cabinets.
o Size DC field-wired conductors with 75°C ampacity (NEC) equal to or greater than their panel board circuit
breaker rating.
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AC and DC input disconnect/protection - Provide accessible devices to remove input power in an emergency.
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Alarm Signals - Provide external current limiting protection. Rating 60V, 0.5A unless otherwise noted.
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Grounding - Connect the equipment chassis directly to ground. In enclosed equipment cabinets connect to the
cabinet DC service ground bus. In huts, vaults, and central offices connect to the system bonding network.
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DOC# 660106378
Rev. A
1
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