CNT-SVX12C-EN 1
Chapter 1
Overview and specifications
This guide provides installation and configuration information for the
Tracer ZN517 unitary controller, as well as a description of its operations.
The overview includes a product description, specifications, and descrip-
tions of ancillary products that may be necessary.
Product description
The Tracer ZN517 is an application-specific controller that provides
direct digital, zone temperature control. The controller can operate as a
stand-alone device or as part of a building automation system (BAS).
Communication between the controller and a BAS occurs via a LonTalk
communication link, which is based on the LonTalk
®
protocol.
The controller is designed to be field-installed and is sent from the factory
configured for a 2-heat/2-cool application. You can change this configura-
tion using the DIP switches located on the circuit board. The Tracer
ZN517 supports the following three configurations:
• 2-heat/2-cool with optional economizer control
• 4-cool with optional economizer control
• Heat pump with optional economizer control
Features such as discharge air tempering and demand control ventilation
can be configured using the Rover service tool.
Dimensions
Plastic-cover model dimensions
For complete dimensional drawing, see Figure 1 on page 3.
• Height: 5.375 in. (137 mm)
• Width: 6.875 in. (175 mm)
• Depth: 2 in. (51 mm)
Note:
For information about using the Rover service tool, see the
Rover Operation and Programming guide (EMTX-SVX01B-
EN).
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