Trane Building Automation System, BMTK-SVN01D-EN Wire 24 Vac power, Power wiring specifications

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Wire 24 Vac power

Wire 24 Vac power

After the termination module is mounted in the selected location, wire 24 Vac power to the termination board. Table 5 shows the specifications for power wiring.

Table 5. Power wiring specifications

24 Vac power	Description	Wire specifications
terminals
24 Vac	Power input	Trane recommends 18 AWG (1.02 mm2) wire and
TB1-1, TB1-2,	24 Vac nominal (19–30 Vac), 50/60 Hz,	metal conduit.
Earth ground TB1-3	1 phase 40 VA minimum, class 2	Low voltage (24 Vac) wire must comply with
	transformer required	National Electrical Code (NEC) and federal, state,
		and local electrical codes.

IMPORTANT

The 24 Vac wire conduit may not contain input/output or communica- tion wires. Failure to comply may cause the Tracker controller to mal- function due to electrical noise.

1.Route input wires into the termination module through the conduit box or any of the conduit access openings designated for input and communication wiring (Figure 12 on page 19).

2.Wire the two 24 Vac power input wires and the ground wire to the controller 24 VAC terminals (Figure 14 on page 24).

BMTK-SVN01D-EN 25