Power and Control schematic wiring diagrams


Job Description

This diagram will contain the following equipment:
• Fused disconnect
• Fuses, contactor and overload for each pump and fan
• Control transformer and fuses
• Control schematic for each pump and fan, including-
Hand-Off-Auto illuminated selector switch.
Contact for Auto operation from PLC
Auxiliary contact from each selector switch “Auto” position to the PLC.
• Wire size
• Wire numbers
• Line numbers
• Terminals and terminal numbers
• Cross reference details for elements on other drawings
• Feeder conductor MCA (minimum conductor ampacity)