Installation Power Wiring
Field Installed Power Wiring Power wiring to the equipment must conform to National and Local Electric Codes (NEC) by a professional electri- cian.
WARNING
Live Electrical
Components!
During installation, testing, ser- vicing and troubleshooting of this product, it may be necessary to work with live electrical compo- nents. Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical compo- nents perform these tasks. Failure to follow all electrical safety pre- cautions when exposed to live electrical components could re- sult in death or serious injury.
Verify that the power supply available is compatible with the unit’s name- plate. Use only copper conductors to connect the power supply to the unit.
CAUTION
Use Copper Conductors Only!
Unit terminals are not designed to accept other types of conduc- tors. Failure to use copper con- ductors may result in equipment damage.
Main Unit Power Wiring
A field supplied disconnect switch must be installed at or near the unit in accordance with the National Electric Code (NEC latest edition).
Location of the applicable electric ser- vice entrance for HIGH (line voltage) may be found on the unit submittal at the front of this manual (pages 7 through 9).
The high voltage connection is made at the 1TB1 terminal block for the 20- ton equipment, and at 1K1 for the 2- ton through
Provide proper grounding for the unit in accordance with the local and na- tional codes.
Control Power Transformer
The
WARNING
Hazardous Voltage!
Disconnect all electric power, in- cluding remote disconnects be- fore servicing. Follow proper lockout/tagout procedures to en- sure the power can not be inad- vertently energized. Failure to disconnect power before servic- ing could result in death or seri- ous injury.
The transformer is located in the control box.
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