6 CNT-SVX17G-EN
Overview
The Tracer VV550 and Tracer VV551 are variable air volume (VAV) controllers. The Tracer
VV550 is the factory-installed version of the controller and the Tracer VV551 is the field-
installed version of the controller. Both versions have the same capabilities.
The Tracer VV550/VV551 controllers conform to the LonMark
®
Space Comfort Controller
(SCC) Functional Profile (see “Appendix A: Properties, Data Lists Points, and Network
Variables,” p. 87). They communicate using Comm5 protocol, which is the Trane
imple
mentation of LonTalk
®
protocol.
This guide provides information about the Tra
cer VV550/VV551 controllers and describes
their features. However, certain features and options may not be available on all systems
due to design constraints. Refer to specific equipment literature for available features
and options.
Topics in this introduction are:
• Supported products
• Non-supported products
•Features
• Specifications
Supported and Non-supported Equipment
Supported Equipment
The Tracer VV550/VV551 VAV controller is compatible with both Trane VAV equipment
and non-Trane VAV units.
Trane VAV Equipment
Trane manufactures VariTrane™ VAV equipment in its Rushville, Indiana location.
VariTrane VAV equipment includes:
• VCxF Single duct
• VSxF Fan-powered series
• VPxF Fan-powered parallel
• LSxF Low-height fan-powered series
• LSxF Low-height fan-powered parallel
Note: VDDF Dual duct is possible with two cont
rollers and higher level coordination.
Non-Trane VAV Equipment
Non-Trane VAV units are supported as generic configurations.