Owner manual

Infinity D Power System Installation Guide: -48V Plants H2007001
Issue 2.0, June 3, 2009 21
4. Installation
Preparation
Safety
Please review all safety warnings in Section 3 before beginning the installation process.
Observe all warnings and labels on the equipment.
WARNING: Due to the possibility of working on energized circuits
during these procedures, all tools and test equipment must be insulated in
an approved manner. Proper ESD protection is required in order to prevent
ESD damage to the equipment.
WARNING: Only qualified personnel should install and service the
power system and plug-in modules. Hazardous energy and voltages are
present in the unit and on the interface cables and will shock or cause
serious injury or death if safety precautions are ignored. Follow all safety
warnings and practices when servicing this equipment.
Installation Sequence
1. Anchor the Frame
2. Ground the Framework
3. Install Batteries
4. Connect ac Utility
5. Connect Central Office Ground
6. Connect External Battery Cables
7. Wire -48 V dc loads and circuit breakers
8. Wire +24 V dc loads and circuit breakers
9. Install Rectifiers and Converters
10. Install Battery Instrumentation
Wiring Guidelines
• All electrical connections should be made using the proper crimping tools and dies
and should be torqued to values specified.
• All building wiring should comply with the NEC and other applicable local codes.
• The temperature rating of the wire must be 90°C minimum. Wire gauge must be
sized based on 75°C wire and the ampacity of the associated branch-circuit
protection.
• Wiring internal to enclosed equipment cabinets must be rated no less than 105°
Celsius.