CNT-SVX12C-EN 81
Chapter 11
General wiring information
This chapter provides specifications and general information about wir-
ing the Tracer ZN517 unitary controller. The controller requires wiring
for:
• Input/output terminals
• AC power to the controller
• Communication-link wiring, if the controller is to communicate with a
building automation system (BAS)
Input/output terminal wiring
All input/output terminal wiring for the Tracer ZN517 unitary controller
is application specific and dependant on the configuration of the control-
ler. For application-specific wiring information and diagrams, see Chapter
3, “Applications for the 2-heat/2-cool configuration”,” Chapter 5, “Applica-
tions for the 4-cool configuration”,” and Chapter 7, “Applications for the
heat pump configuration”.”
Wiring specifications
Input/output terminal wiring must meet the following requirements:
• All wiring must comply with the National Electrical Code and local
codes.
• Use only 18 AWG twisted-pair wire with stranded, tinned-copper con-
ductors. (Shielded wire is recommended.)
• Binary input and output wiring must not exceed 1000 ft (300 m).
• Analog input wiring must not exceed 300 ft (100 m).
• Do not run input/output wires in the same wire bundle with any ac
power wires.
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