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Helios Rectifier 25/48NT5C06D Installation and User Manual
3. Installation and start up
The power shelf must be installed on the framework and all AC, DC and
control and alarm wiring must be connected before the rectifiers are
physically plugged in.
Tools and test equipment
The following tools and test equipment are required:
• Screwdriver, flat blade (3/8-inch)
• Screwdriver, flat blade (3/32-inch)
• Screwdriver, Burns No. 60, or equivalent
• Cable strippers / electrician’s knife
• Wire stripper
• Cable cutters (2/0)
• Linesman’s pliers
• Open and box ended wrenches (set)
• Socket set (1/2-inch drive)
• Ratchet Wrench (1/2-inch drive)
• Torque limiting torque wrench (1/2-inch drive)
• Crimper, T & B 12 or 15 Ton head with 94H die
• Digital Multimeter, Fluke 8000A or equivalent
Installing the power shelf
Installation of the power shelf consists of mounting the shelf in a cabinet or
relay rack and connecting the AC, DC, and control and alarm connection
cables.