Trane GRAA - Electrical Connections; Electrical Safety Warnings; Wiring Diagram Reference

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Electrical Connections

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All electrical connections must conform to the latest edition of ANSI/NFPA No. 70 National

Electrical Code and applicable local codes. In Canada, to the Canadian Electrical Code, Part I CSA

Standard C22.1.

The rooftop packaged unit is wired at the factory and ready to be connected. Actual unit wiring

will differ according to the options chosen. Each unit is shipped with its own wiring diagram;

refer to this wiring diagram for all electrical connections to the unit.

All electrical connections, line voltage and thermostat, are made in the Electrical Cabinet (See

Figure 10, p. 26). Line voltage connections are made at the High Voltage Terminal Block.

Thermostat connections are made at the Main Connection Board (See Figure 10, p. 26).

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