Installation
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 in Figure 3.
1Route power wire to the cabinet control box through the factory in- stalled conduit at the top of the unit cabinetry.
The high voltage connection is made at the 1PB1 power block in the cabinet control box. Refer to the customer connection diagram that is shipped with the unit for specific termination points.
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 and discharge motor start/run capaci- tors before servicing. Follow prop- er lockout/tagout procedures to ensure the power can not be inad- vertently energized. Failure to dis- connect power before servicing could result in death or serious in- jury.
The transformer is located in the chassis control box.
FACTORY CONDUIT
Figure 3: Power wire entrance
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