Jobsite Connections
Supply and Motor Lead Wiring and Connections
Only copper conductors should be connected to the compressor motor due to the possibility of galvanic corrosion as a result of moisture if aluminum conductors are used. Copper conductors are recommended for supply leads in the starter panel.
Suggested starter panel line- and load-side lug sizes (when lugs are provided) are noted in the starter submittals. These submitted lug sizes should be carefully reviewed for compatibility with conductor sizes specifi ed by the electrical engineer or contractor. If they are not compatible, the electrical engineer or contractor should specify the required lug sizes for the particular application. Ground lugs are provided in the motor terminal box and starter panel. The motor terminals are supplied with connection pads that will accommodate bus bars or standard terminal lugs (crimp type recommended). Terminal lugs are field-supplied. These connection pads provide additional surface area to minimize improper electrical connections. Also, a 3/8-inch bolt is provided on all connection pads for mounting the lugs. Figure J-1 illustrates the connection between the motor connection pads and the terminal lugs.
Figure J-1 — Electric Connections
Shipment and Assembly
All style hermetic centrifugal units ship as a factory assembled, factory tested package, ready to rig into place on factory supplied isolation pads.
