Trane Tracer ZN511 Operating instructions

CNT-SVX06B-EN

Installation and

Operation

Tracer

™

ZN511

Zone Controller

Installation and

Operation

Tracer

™

ZN511

Zone Controller

CNT-SVX06B-EN

April 2005

CNT-SVX06B-EN

Tracer ZN511 Zone Controller Installation and Operation

This guide and the information in it are the property of American Standard Inc. and may not be used or reproduced in whole or in part,

without the written permission of American Standard Inc. Trane, a business of American Standard, Inc., has a policy of continuous

product and product data improvement and reserves the right to change design and specification without notice.

Although Trane has tested the hardware and software described in this guide, no guarantee is offered that the hardware and software

are error free.

Trane reserves the right to revise this publication at any time and to make changes to its content without obligation to notify any per-

son of such revision or change.

Trane may have patents or patent applications covering items in this publication. By providing this document, Trane does not imply

giving license to these patents.

The following are trademarks or registered trademarks of American Standard Inc.: Trane, Tracer, Rover.

The following are trademarks or registered trademarks of their respective companies or organizations: BACnet from

ASHRAE; Neuron, LonMark, LonTalk, and LonWorks from Echelon Corporation; National Electrical Code form the National

Fire Proctection Association, Inc.

Printed in the U.S.A.

™

®

™

®

CNT-SVX06B-EN

NOTICE:

Warnings and Cautions appear at appropriate sections throughout this manual. Read these carefully:

WARNING

Indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury.

CAUTION

Indicates a potentially hazardous situation, which, if not avoided, may result in minor or moderate injury.

It may also be used to alert against unsafe practices.

CAUTION

Indicates a situation that may result in equipment damage or property damage.

The following format and symbol conventions appear at appropriate sections throughout this manual:

IMPORTANT

Alerts installer, servicer, or operator to potential actions that could cause the product or system to

operate improperly but will not likely result in potential for damage.

◆ This symbol precedes a procedure that consists of only a single step.

Note:

A note may be used to make the reader aware of useful information, to clarify a point, or to describe

options or alternatives.

CNT-SVX06B-EN

CNT-SVX06B-EN i

Contents

Chapter 1 Overview and specifications . . . . . . . . . . . . . . . . . . 1

Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Storage environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Agency listing/compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Additional components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Power transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Zone temperature sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Water and duct temperature sensors . . . . . . . . . . . . . . . . . . . . . . . . . 4

Binary input switching devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Output relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Valve and damper actuators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Chapter 2 General wiring information . . . . . . . . . . . . . . . . . . . 7

Input/output terminal wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

AC power wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Communication-link wiring and addressing . . . . . . . . . . . . . . . . . . . . . . 9

Chapter 3 Mounting the controller . . . . . . . . . . . . . . . . . . . . 11

Location recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Operating environment requirements . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Mounting recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Chapter 4 Applications for the heat pump configuration . . 13

Binary inputs for water-source heat pump applications . . . . . . . . . . . . 14

BI1: Low-temperature detection (circuit 2) . . . . . . . . . . . . . . . . . . . . 14

BI2: Condensate overflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

BI3: Occupancy or generic binary input . . . . . . . . . . . . . . . . . . . . . . 15

BI4 and BI5: High/low pressure cutout . . . . . . . . . . . . . . . . . . . . . . 16

Compressor contactor monitoring . . . . . . . . . . . . . . . . . . . . . . . 16

Compressor line-voltage monitoring . . . . . . . . . . . . . . . . . . . . . 18

High/low pressure switch monitoring . . . . . . . . . . . . . . . . . . . . 18

Analog inputs for water-source heat pump applications . . . . . . . . . . . 19

Contents

ii CNT-SVX06B-EN

ZN: Zone temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

SET: Local set point. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

FAN: Fan mode input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

AI1: Leaving water temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

AI2: Discharge air temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Binary outputs for water-source heat pump applications . . . . . . . . . . . 21

Generic binary output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Overriding binary outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Wiring requirements and options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Chapter 5 Sequence of operations for the heat pump

configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Power-up sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Random start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Zone temperature control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Occupancy modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Occupied mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Unoccupied mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Occupied standby mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Occupied bypass mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Timed override control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Morning warm-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Morning cool-down. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Heating or cooling mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Fan operation and status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Compressor operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Outdoor air damper operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Reversing valve operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Peer-to-peer (master/slave) data sharing . . . . . . . . . . . . . . . . . . . . . . . . 30

Unit protection strategies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Smart reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Low-temperature protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Condensate overflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

High/low pressure cutout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Filter-maintenance timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Fan off delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Contents

CNT-SVX06B-EN iii

Chapter 6 Applications for the 1 heat/1 cool

configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Binary inputs for 1 heat/1 cool applications . . . . . . . . . . . . . . . . . . . . . . 34

BI1: Low-temperature detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

BI2: Condensate overflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

BI3: Occupancy or generic binary input . . . . . . . . . . . . . . . . . . . . . . 35

Analog inputs for 1 heat/1 cool applications . . . . . . . . . . . . . . . . . . . . . 35

ZN: Zone temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

SET: Local set point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

FAN: Fan mode input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

AI1: Entering water temperature sampling . . . . . . . . . . . . . . . . . . . 37

AI2: Discharge air temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Binary outputs for 1 heat/1 cool applications. . . . . . . . . . . . . . . . . . . . . 38

Generic binary output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Overriding binary outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Wiring requirements and options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Chapter 7 Sequence of operations for the 1 heat/1 cool

configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Power-up sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Random start. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Zone temperature control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Occupancy modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Occupied mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Unoccupied mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Occupied standby mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Occupied bypass mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Timed override control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Morning warm-up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Morning cool-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Heating or cooling mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Entering water temperature sampling function. . . . . . . . . . . . . . . . . . . 51

Fan operation and status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Two-position valve operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Two-pipe operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Four-pipe operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Electric heat operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Outdoor air damper operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Peer-to-peer (master/slave) data sharing . . . . . . . . . . . . . . . . . . . . . . . . 54

Contents

iv CNT-SVX06B-EN

Unit protection strategies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Smart reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Low-temperature protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Condensate overflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Filter-maintenance timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Fan off delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Chapter 8 Status indicators for operation and

communication . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Test button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Manual output test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Service button (pin). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Interpreting LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Clearing diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Manual (latching) diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Automatic (nonlatching) diagnostics . . . . . . . . . . . . . . . . . . . . . 66

Smart reset diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Informational diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Chapter 9 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

CNT-SVX06B-EN 1

Chapter 1

Overview and specifications

This guide provides installation and configuration information for the

Tracer ZN511 zone 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 ZN511 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

unconfigured. You can configure the controller, using the PC-based Rover

service tool, to support either of the following configurations:

• Water-source heat pumps, one or two compressors

• 1 heat/1 cool fan coils with two-position valves

Storage environment

If a Tracer ZN511 zone controller is to be stored for a substantial amount

of time, store it in an indoor environment that meets the following

requirements:

• Temperature: –40° to 185°F (–40° to 85°C)

• Relative humidity: 5–95%, noncondensing

Note:

For information about using the Rover service tool, see the

Rover Installation/Operation/Programming guide (EMTX-

SVX01A-EN).

Chapter 1 Overview and specifications

2 CNT-SVX06B-EN

Agency listing/compliance

CE—Immunity: EN 50082-1:1997; EN 50082-2:1995

CE—Emissions: EN 50081-1:1992 (CISPR 22) Class B

UL and C-UL 916 listed: Energy management system

UL 94-5V (UL flammability rating for plenum use)

FCC Part 15, Class A

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)

Metal-cover model dimensions

For complete dimensional drawing, see Figure 2 on page 3.

• Height: 9.0 in (25 mm)

• Width: 10.37in. (263 mm)

• Depth: 2.25 in. (58 mm)

Clearances

For wiring, ventilation, and maintenance, provide the following minimum

clearances for the controller:

Plastic-cover model

• Front: 4.0 in. (102 mm)

• Each side: 1.0 in. (25 mm)

• Top and bottom: 4.0 in. (102 mm)

Metal-cover model

• Front: 24.0 in. (610 mm)

• Each side: 2.0 in. (51 mm)

• Top and bottom: 1.0 in. (25 mm)

Clearances

CNT-SVX06B-EN 3

Figure 1. ZN511 plastic-cover model dimensions and clearances

Figure 2. ZN511 Metal-cover model dimensions and clearances

1 in.

(25 mm)

4 in.

(102 mm)

5.625 in.

(143 mm)

5.375 in. (137 mm)

1 in.

(25 mm)

Clearances

Dimensions

6.31 in.

(160 mm)

4 in.

(102 mm)

4 in.

(102 mm)

6.875 in.

(175 mm)

2 in. (51 mm)

1 in.

(25 mm)

9 in.

(229 mm)

2 in.

(51 mm)

24 in.

(610 mm)

10.37 in.

(263 mm)

width with cover

1 in.

(25 mm)

2.25 in.

(58 mm)

2 in.

(51 mm)

7 in.

(178 mm)

1 in.

(25 mm)

1.875 in.

(48 mm)

6.5 in.

(165 mm)

10.25 in.

(260 mm)

width without cover

0.28 in.

(7 mm)

9 in.

(229 mm)

Clearances

Dimensions

Chapter 1 Overview and specifications

4 CNT-SVX06B-EN

Additional components

The Tracer ZN511 zone controller may require the use of additional com-

ponents for monitoring and proper control of the associated fan coil or

heat pump. Using these components depends on the application. They are

not included with the Tracer ZN511 zone controller.

Power transformer

A transformer providing 24 Vac is required to power the Tracer ZN511

zone controller and associated output relays and valve and damper actua-

tors.

Zone temperature sensors

Table 1 shows the Trane zone temperature sensors that are supported by

the Tracer ZN511 zone controller.

Water and duct temperature sensors

Temperature sensors must be Trane 10 kΩ (at 25°C) thermistors. Enter-

ing water (fan coil), leaving water (heat pump), and discharge air inputs

may use a sealed temperature sensor (part number 4190 1100).

Binary input switching devices

Occupancy, condensate overflow, and low-temperature inputs accept

switching devices that may have normally open or normally closed dry

contacts.

Table 1. Tracer zone temperature sensor options

BAS order

number

Use

Fan Zone

Timed

override

buttons

Comm

jack

High Med Low Auto Off

Set-

point

thumb-

wheel

Te m p e -

ature

sensor

On

Can-

cel

4190 1087 Any x

4190 1088 Any x x x x

4190 1090 Heat pump x x x x x

4190 1094 Heat pump x x x

4190 1095 Unit vent x x x x x x x x

4190 1115Fan coil xxxxx x x x x x

4190 1116 Unit vent x x x x x x x x x

4190 1117 Any x x x x x x x

Additional components

CNT-SVX06B-EN 5

Current-sensing switches must be capable of switching 24 Vac for heat-

pump-compressor circuit applications (see “Compressor line-voltage mon-

itoring” on page 18). The current-sensing switch must sense line voltage

current as low as 2 A. This amperage is common for a

1

/

2

ton compressor,

which is typically the smallest compressor on a heat pump.

Output relays

Relays for fan (speed) control connected to the Tracer ZN511 binary out-

puts cannot exceed 12 VA (0.5 A) current draw at 24 Vac.

Valve and damper actuators

Actuators cannot exceed 12 VA draw at 24 Vac. Use actuators with on/off

action and spring return to normally open or closed position based on the

desired default position.

Chapter 1 Overview and specifications

6 CNT-SVX06B-EN

CNT-SVX06B-EN 7

Chapter 2

General wiring information

This chapter provides specifications and general information about wir-

ing the Tracer ZN511 zone 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 ZN511 zone controller is

application specific and dependant on the configuration of the controller.

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

conductors. (Shielded wire is recommended.)

• Binary input and output wiring must not exceed 1000 ft (100 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.

For application-specific wiring information and diagrams, see Chapter 4,

“Applications for the heat pump configuration”, and Chapter 6, “Applica-

tions for the 1 heat/1 cool configuration”.

Chapter 2 General wiring information

8 CNT-SVX06B-EN

AC power wiring

CAUTION

Complete input/output wiring before applying power to the Tracer

ZN511 zone controller. Failure to do so may cause damage to the con-

troller or power transformer due to inadvertent connections to power

circuits.

 CAUTION

Make sure that the 24 Vac transformer is properly grounded. Failure to

do so may result in damage to equipment and/or personal injury.

▲IMPORTANT

Do not share 24 Vac between controllers.

All wiring must comply with National Electrical Code and local codes.

The ac power connections are in the top left corner of the Tracer ZN511

zone controller (see Figure 3).

Figure 3. Connecting ac power wires to the controller

If you are providing a new transformer for power, use a UL-listed Class 2

power transformer supplying a nominal 24 Vac (19–30 Vac). The trans-

former must be sized to provide adequate power to the Tracer ZN511 zone

controller (9 VA) and output devices, including relays and valve actuators,

to a maximum of 12 VA per output utilized. The Tracer ZN511 may be

powered by an existing transformer integral to the controlled heat pump

or fan coil, provided the transformer has adequate power available and

adequate grounding is observed.

24 Vac unit

transformer

H

N

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Trane Tracer ZN511 Operating instructions

Trane Tracer ZN511 Operating instructions

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