Table 8: Cable Length Guidelines
Guideline Wire Size/Gauge and Type
Maximum Cable Length and Type
Assumptions
1.0 mm (18 AWG) stranded copper
457 m (1,500 ft) twisted wire
0.8 mm (20 AWG) stranded copper 297 m
(975 ft) twisted wire
297 m (975 ft) twisted wire
0.6 mm (22 AWG) stranded copper 183 m
(600 ft) twisted wire
183 m (600 ft) twisted wire
A
24 AWG stranded copper 107 m (350 ft)
twisted wire
107 m (350 ft) twisted wire
100 mV maximum voltage drop
Depending on the cable length and
the connected input or output device,
you may have to define an offset in the
setup software for the input or output
point.
1.0 mm (18 AWG) stranded copper
229 m (750 ft) twisted wire
0.8 mm (20 AWG) stranded copper 297 m
(975 ft) twisted wire
137 m (450 ft) twisted wire
0.6 mm (22 AWG) stranded copper 183 m
(600 ft) twisted wire
91 m (300 ft) twisted wire
B
24 AWG stranded copper 107 m (350 ft)
twisted wire
61 m (200 ft) twisted wire
100 mV maximum voltage drop
Depending on the cable length and
the connected input or output device,
you may have to define an offset in the
setup software for the input or output
point.
C
See Figure 10 to select wire size/gauge.
Use stranded copper wire.
See Figure 10 to determine cable
length.
Use twisted wire cable.
n/a
Maximum wire length by current and wire size
Figure 10: Maximum wire length by current and wire size
VAV1717 and VAV1732 VAV Controllers Installation Guide
11