Trane Foundation EDK090 - Page 27

RT-SVX096A-EN
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Table 4. Electromechanical thermostat 24V AC conductors with electromechanical unit (continued)
Distance from Unit to Control Recommended Wire Size
31 - 50 feet
20 gauge
9.5 - 15.2 m 0.50 mm^2
51 - 75 feet
18 gauge
15.5 - 22.9 m 0.75 mm^2
76 - 125 feet
16 gauge
23.1 - 38.1 m 1.3 mm^2
126 - 200 feet
14 gauge
38.4 - 60.9 m 2.0 mm^2
Figure 11. Conventional thermostat field wiring diagram
R
W1
Y1
Y2
W2
G
C
Installation