Table of Contents
Advertisement
CSRA-SVX02A-EN
Installation
Table 6 — DC Conductors
Distance from
Recommended
Unit to Control
000 - 499 feet
500 - 1000 feet
Controls using DC Communication Links
Before installing any connecting wiring between the unit and components
utilizing a DC communication link, refer to the connection diagram that
shipped with the unit for the electrical access and connection locations
provided on the unit.
A. Wiring for the components utilizing a DC communication link must be
shielded cable (Belden 8760 or equivalent). Ground the shield at one end
only.
B. Table 6 lists the conductor sizing guidelines that must be followed when in-
terconnecting a communication link to the unit.
C. Communication link must not exceed 5,000 feet maximum for each link.
D. Communication link must not pass between buildings.
E. Do not run the electrical wires transporting DC signals in or around conduit
housing AC voltage wires.
Table 7 — Maximum Communications Wiring Length
Maximum
Communication
Link Wiring Length
1,000 feet
2,000 feet
3,000 feet
4,000 feet
5,000 feet
PF/FT = Picofarads/foot
Wire Size
16 gauge
14 gauge
Maximum
Capacitance
Between
Conductors
Up to 60 PF/FT
Up to 50 PF/FT
Up to 40 PF/FT
Up to 30 PF/FT
Up to 25 PF/FT
45
Advertisement
Table of Contents
