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Trane Tracer ZN517 User Manual

Trane Tracer ZN517
111 pages
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CNT-SVX12C-EN
Installation and
Operation
Tracer ZN517
Unitary Controller

Table of Contents

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Trane Tracer ZN517 Specifications

General IconGeneral
BrandTrane
ModelTracer ZN517
CategoryController
LanguageEnglish

Summary

Tracer ZN517 Controller Overview and Specifications

Product Description

Details the Tracer ZN517 as an application-specific controller for zone temperature control, operating standalone or as part of a BAS.

Dimensions and Clearances

Provides physical dimensions for plastic-cover and metal-cover models and required installation clearances.

Power and Operating Environment

Specifies power requirements for the controller and its operating environment conditions for temperature and humidity.

Storage Environment and Compliance

Outlines requirements for storing the controller and lists agency listings and compliance standards.

Factory Default Temperature Setpoints

Lists the default temperature setpoints configured at the factory for various modes, editable via service tool or BAS.

Additional Components

Details components required for proper operation that are not included with the controller, such as transformers and sensors.

Mounting the Tracer ZN517 Controller

Location Recommendations

Provides guidance on optimal placement for rooftop and heat pump applications for reduced wiring and accessibility.

Mounting Recommendations

Offers specific advice for securely mounting the controller, including orientation and fastener considerations.

Applications for 2-Heat/2-Cool Configuration

Wiring Requirements and Options

Details required controller inputs and optional inputs/outputs for 2-heat/2-cool applications, with wiring diagrams.

DIP Switch Settings

Explains how to set DIP switches on the circuit board for the 2-heat/2-cool configuration, with and without economizer.

Binary Outputs for 2-Heat/2-Cool

Describes the function of each of the eight binary outputs for 2-heat/2-cool applications, including Binary Output 5.

Binary Inputs for 2-Heat/2-Cool

Details the two binary inputs (BI1, BI2) and their functions for occupancy or generic use and fan status.

Analog Inputs for 2-Heat/2-Cool

Explains the five analog inputs (AI1, AI2, DAT, ZN, SET) and their configurations and measurement ranges.

Zone and Setpoint Inputs

Covers the ZN analog input for zone temperature and the SET input for temperature setpoint, including override functions.

Sequence of Operations for 2-Heat/2-Cool Configuration

Power-up Sequence

Describes the step-by-step process the controller follows when initially powered on, including wait functions.

Zone Control Methods

Explains Cascade Zone Control and Simplified Zone Control for maintaining zone temperature.

Occupancy Modes

Details the different occupancy modes (Occupied, Unoccupied, Standby, Bypass) and how they are controlled.

Economizing Functionality

Explains the economizing feature, which uses outside air for cooling, and its configuration requirements.

Discharge Air Tempering, Ventilation & Protection

Covers discharge air tempering, demand control ventilation, and unit protection strategies like filter timers and fan status.

Applications for 4-Cool Configuration

Wiring Requirements and Options

Details required controller inputs and optional inputs/outputs for 4-cool applications, with wiring diagrams.

DIP Switch Settings for 4-Cool

Explains how to set DIP switches on the circuit board for the 4-cool configuration, with and without economizer.

Binary Outputs for 4-Cool Applications

Describes the function of each of the seven binary outputs for 4-cool applications, including Binary Output 5.

Binary Inputs for 4-Cool Applications

Details the two binary inputs (BI1, BI2) and their functions for occupancy or generic use and fan status.

Analog Inputs for 4-Cool Applications

Explains the five analog inputs (AI1, AI2, DAT, ZN, SET) and their configurations and measurement ranges for 4-cool.

Sequence of Operations for 4-Cool Configuration

Power-up Sequence

Describes the step-by-step process the controller follows when initially powered on, including wait functions.

Zone Control Methods

Explains Cascade Zone Control and Simplified Zone Control for maintaining zone temperature.

Occupancy Modes

Details the different occupancy modes (Occupied, Unoccupied, Standby, Bypass) and how they are controlled.

Outdoor Air Damper Operation

Discusses the controller's support for modulating and two-position outdoor air damper actuators.

Fan Operation

Explains how the controller manages fan operation, including continuous and cycling modes.

Economizing Functionality

Explains the economizing feature, which uses outside air for cooling, and its configuration requirements.

Discharge Air Tempering, Ventilation & Protection

Covers discharge air tempering, demand control ventilation, and unit protection strategies like filter timers and fan status.

Applications for Heat Pump Configuration

Wiring Requirements and Options

Details required controller inputs and optional inputs/outputs for heat pump applications, with wiring diagrams.

DIP Switch Settings for Heat Pump

Explains how to set DIP switches on the circuit board for heat pump configurations, with and without economizer.

Binary Outputs for Heat Pump Applications

Describes the function of each of the eight binary outputs for heat pump applications, including Binary Output 5.

Binary Inputs for Heat Pump Applications

Details the two binary inputs (BI1, BI2) and their functions for occupancy or generic use and fan status.

Analog Inputs for Heat Pump Applications

Explains the five analog inputs (AI1, AI2, DAT, ZN, SET) and their configurations and measurement ranges for heat pumps.

Sequence of Operations for Heat Pump Configuration

Power-up Sequence

Describes the step-by-step process the controller follows when initially powered on, including wait functions.

Zone Control Methods

Explains Cascade Zone Control and Simplified Zone Control for maintaining zone temperature.

Occupancy Modes

Details the different occupancy modes (Occupied, Unoccupied, Standby, Bypass) and how they are controlled.

Heating or Cooling Mode

Explains how the controller determines the heating or cooling mode, whether communicated or automatic.

Fan Operation

Explains how the controller manages fan operation, including continuous and cycling modes.

Economizing Functionality

Explains the economizing feature, which uses outside air for cooling, and its configuration requirements.

Unit Protection Strategies

Covers strategies like filter maintenance timer, fan off delay, and fan status to protect the unit or building.

PID Control

Understanding PID Loops

Explains what PID loops do, how they maintain setpoints, and the effects of PID aggressiveness.

PID Calculation Methods

Details the proportional, integral, and derivative calculations used in PID control algorithms.

Sampling Frequency for PID

Discusses the importance of sampling frequency for achieving responsive and stable PID control systems.

PID Loop Action and Error Deadband

Explains direct/reverse action and the use of error deadband to minimize actuator activity and cycling.

Troubleshooting PID Loops

Provides a systematic procedure for troubleshooting PID loops, including checking settings and system disturbances.

Status Indicators and Diagnostics

Test Button and Manual Output Test

Explains the function of the Test button and how to perform a manual output test for verifying operation.

Service Pin Button

Describes the function of the Service Pin button for network communication verification and device identification.

Interpreting Controller LEDs

Provides explanations for the status indicated by the green, red, and yellow LEDs on the controller.

Controller Diagnostics

Details the types of diagnostics (informational, automatic) and how they affect controller operation and can be cleared.

General Wiring Information

Input/Output Terminal Wiring

Covers application-specific wiring for input/output terminals and general wiring specifications.

HVAC Unit Electrical Circuit Wiring

Explains wiring for packaged and split system HVAC units, including Rc and Rh terminal connections.

AC Power Wiring

Provides essential precautions and specifications for connecting AC power to the controller.

Communication-Link Wiring

Outlines requirements for LonTalk communication wiring and addressing for BAS integration.

Troubleshooting Guide

Initial Troubleshooting Steps

Presents a sequence of preliminary steps to perform before diagnosing specific operational problems.

Diagnosing Operational Problems

Provides tables to help diagnose common operational issues like fan or damper failures.

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