Trane CGAM Installation & Operation Manual page 79

Installation - Electrical
WARNING
Hazardous Voltage!
Disconnect all electric power, including remote disconnects before servicing. Follow proper
lockout/tagout procedures to ensure the power can not be inadvertently energized. Failure to
disconnect power before servicing could result in death or serious injury.
All wiring must comply with local codes and the National Electrical Code. The installing (or
electrical) contractor must provide and install the system interconnecting wiring, as well as the
power supply wiring. It must be properly sized and equipped with the appropriate fused disconnect
switches.
The type and installation location(s) of the fused disconnects must comply with all applicable
codes.
NOTICE:
Use Copper Conductors Only!
Unit terminals are not designed to accept other types of conductors. Failure to use copper
conductors may result in equipment damage.
Knock-outs for wiring are located on the bottom right side of the control panel.The wiring is passed
through these conduits and connected to the terminal blocks or HACR type breakers. Refer to Table
34.
To provide proper phasing of 3-phase input, make connections as shown in field wiring diagrams
and as stated on the WARNING label in the starter panel. For additional information on proper
phasing, refer to "Unit Voltage Phasing, " p. 143. Proper equipment ground must be provided to
each ground connection in the panel (one for each customer-supplied conductor per phase).
The high voltage field-provided connections are made through knockouts on the right side of the
panel. The low voltage connections are made through the left side of the panel (Figure 34).
Additional grounds may be required for each 115 volt power supply to the unit. Green lugs are
provided for 115V customer wiring.
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