32 RT-SVX23D-EN
Installation
2. Ensure that the wiring between controls and the unit’s termination point does not exceed two
and a half (2.5) ohms/conductor for the length of the run.
3. Do not run the electrical wires transporting DC signals in or around conduit housing high
voltage wires.
4. Route low voltage wiring per illustrations on Figure 25, p. 33.
Table 5. DC Conductors
Distance from Unit to Control Recommended Wire Size
0 - 150 feet
0 - 45.7 m
22 gauge
.33 mm
2
151 - 240 feet
46 - 73.1 m
20 gauge
.50 mm
2
241 -385 feet
73.5 - 117.3 m
18 gauge
.75 mm
2
386 - 610 feet
117.7 - 185.9 m
16 gauge
1.3 mm
2
611 - 970 feet
186.2 - 295.7 m
14 gauge
2.0 mm
2
Figure 23. ReliaTel conventional thermostat field wiring diagram
RTRM
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