Trane Foundation GCC 090-150 Installation, Operation And Maintenance Manual page 18

Installation
Table 2. Electromechanical thermostat 24V AC conductors with electromechanical unit (continued)
Distance from Unit to Control
126 - 200 feet
38.4 - 60.9 m
Figure 11. Conventional thermostat field wiring diagram
18
Recommended Wire Size
14 gauge
2.0 mm^2
R
W1
W2
G
C
Y1
Y2
RT-SVX069D-EN