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V: 1.0 Revised: Jan. 2018
7
Chapter 2: Installation - Physical Setup
CHAPTER 2: INSTALLATION - PHYSICAL SETUP
2.1 Tools
2.1.1 Tools for Mounting
• #2 Flathead Screwdriver
• Wire Cutters
2.1.2 Tools for Wiring
• A 1A/250Vac circuit breaker for the auxiliary power supply loopWire Cutters
• A 1A/250Vac circuit breaker should be used in the voltage input loop.
• Choice of wire of power supply is AWG22-16 or 0.6-1.5mm
2
• The wire for voltage input is AWG16-12 or 1.3-2.0mm
2
• The wire size of current input is AWG15-10 or 1.5-2.5mm
2
The following may be required:
• If using RS485 for communication, use a good quality shielded twisted pair cable,
AWG22 (0.5mm
2
) or higher
• The wire of digital input should be chosen between AWG22~16 or 0.5~ 1.3mm
2
• The wire of relay output should be chosen between AWG22~16 or 0.5~1.3mm
2
• The wire of the digital output circuit should be chosen between AWG22~16 or 0.5~1.3
mm
2
2.2 Mounting
Considerations When Installing Meters
• Installation of the meter must be performed by qualified personnel only, and should
follow standard safety precautions through the installation procedures. Those
personnel should have appropriate training and experience with high voltage devices.
Appropriate safety gloves, safety glasses and protective clothing are recommended.
• During normal operation, dangerous voltage may be present in many parts of the
meter, including terminals, and any connected I/O (Inputs and Outputs) modules and
their circuits. All primary and secondary circuits can, at times, produce lethal voltages.
AVOID contact with any current-carrying surfaces.
• The meter and its I/O output channels are NOT designed as primary protection
devices and shall NOT be used as primary circuit protection or in an energy limiting
capacity. The meter and its I/O output channels can only be used as secondary
protection. AVOID using the meter under situations where failure of the meter may
cause injury or death. AVOID using the meter for any application where risk of fire
may occur.
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