Trane Tracer ZN521 Manuals

Manuals and User Guides for Trane Tracer ZN521. We have 3 Trane Tracer ZN521 manuals available for free PDF download: Installation And Operation Manual, User Manual

Trane Tracer ZN521 Installation And Operation Manual (84 pages)

Zone Controller

Brand: Trane | Category: Controller | Size: 3.29 MB

Installation and Operation
1
Table of Contents
7
Chapter 1 Overview and Specifications

11
- Product Description
  11
- Storage Environment
  12
- Dimensions
  12
- Clearances
  12
- Agency Listing/Compliance
  14
- Additional Components
  14
  - Power Transformer
    14
  - Water, Duct, and Outdoor-Air Temperature Sensors
    14
  - Binary Input Switching Devices
    14
  - Output Devices
    14
  - Zone Temperature Sensors
    14
  - Valve Actuators
    14
  - Damper Actuators
    15
  - Zone Humidity Sensor
    15
  - CO2 Sensor
    15
Chapter 2 General Wiring Information

17
Chapter 3 Mounting the Controller

21
Chapter 4 Input/Output Functions and Wiring for Typical

23
- Applications
  23
- Binary Inputs
  24
- Analog Inputs
  26
  - GND: Ground Terminals
    26
  - ZN: Zone Temperature
    26
  - SET: Local Setpoint
    27
  - FAN: Fan Mode Input
    27
  - AI1: Entering Water Temperature
    27
  - AI2: Discharge Air Temperature
    28
  - AI3: Outdoor Air Temperature or Generic Temperature
    28
  - AI4: Universal 4-20 Ma
    29
- Binary Outputs
  31
  - Generic Binary Output
    31
  - Overriding Binary Outputs
    32
- Wiring Requirements and Options
  32
Chapter 5 Sequence of Operations

45
- Power-Up Sequence
  45
- Random Start
  45
- Occupancy Modes
  46
  - Occupied Mode
    46
  - Unoccupied Mode
    46
  - Occupied Standby Mode
    46
  - Occupied Bypass Mode
    47
- Timed Override Control
  47
- Zone Temperature Control
  48
  - Cascade Zone Control
    48
  - Simplified Zone Control
    48
- Discharge Air Tempering
  49
- Morning Warm-Up
  49
- Morning Cool-Down
  49
- Heating or Cooling Mode
  49
- Entering Water Temperature Sampling Function
  50
- Fan Operation
  50
- Exhaust Control
  51
- Valve Operation
  52
  - Modulating Valve Operation
    52
  - Modulating Valve Calibration
    52
  - Two-Position Valve Operation
    53
  - Isolation-Valve Operation
    53
  - Two-Pipe Operation
    53
  - Four-Pipe Operation
    53
  - Modulating Outdoor/Return Air Dampers
    53
    
    ASHRAE Cycle 1 Conformance
    55
    
    ASHRAE Cycle 2 Conformance
    55
    
    Economizing (Free Cooling)
    55
  - Two-Position Control of a Modulating Outdoor Air Damper
    56
  - Face-And-Bypass Damper Operation
    56
    
    Face-And-Bypass, Isolation-Valve Operation
    56
  - DX Cooling Operation
    56
  - Electric Heat Operation
    57
  - Baseboard Heat Operation
    57
  - Dehumidification
    57
  - Peer-To-Peer Communication
    58
  - Unit Protection Strategies
    58
    
    Smart Reset
    59
    
    Low-Coil-Temperature Protection
    59
    
    Condensate Overflow
    59
    
    Fan Status
    59
    
    Fan off Delay
    59
    
    Filter-Maintenance Timer
    60
    
    Freeze Avoidance
    60
    
    Freeze Protection (Discharge Air Temperature Low Limit)
    60
    
    Communication
    61
Chapter 6 Status Indicators for Operation and

61
- Test Button
  61
- Manual Output Test
  62
- Service Pin Button
  66
- Interpreting Leds
  66
- Diagnostics
  68
  - Types of Diagnostics
    68
    
    Manual (Latching) Diagnostics
    68
    
    Automatic (Nonlatching) Diagnostics
    68
    
    Smart Reset Diagnostics
    69
    
    Informational Diagnostics
    69
    
    Table of Diagnostics
    69
Chapter 7 Troubleshooting

73
- Index
  79

Trane Tracer ZN521 Installation And Operation Manual (60 pages)

Zone Controller

Brand: Trane | Category: Controller | Size: 3.53 MB

Table of Contents
3
Overview and Specifications

6
- Product Description
  6
- Storage Environment
  6
- Dimensions
  6
- Clearances
  7
- Agency Listing/Compliance
  8
- Additional Components
  8
General Wiring Information

10
Mounting the Controller

12
Input/Output Functions and Wiring for Typical Applications

13
- Binary Inputs
  13
- Analog Inputs
  14
  - GND: Ground Terminals
    15
  - ZN: Zone Temperature
    15
  - SET: Local Setpoint
    15
  - FAN: Fan Mode Input
    15
  - AI1: Entering Water Temperature
    16
  - AI2: Discharge Air Temperature
    16
  - AI3: Outdoor Air Temperature or Generic Temperature
    16
  - AI4: Universal 4-20 Ma
    17
- Binary Outputs
  18
  - Generic Binary Output
    19
  - Overriding Binary Outputs
    19
- Wiring Requirements and Options
  19
Sequence of Operations

31
- Power-Up Sequence
  31
- Random Start
  31
- Occupancy Modes
  31
  - Occupied Mode
    32
  - Unoccupied Mode
    32
  - Occupied Standby Mode
    32
  - Occupied Bypass Mode
    32
- Timed Override Control
  32
- Zone Temperature Control
  33
  - Cascade Zone Control
    33
  - Simplified Zone Control
    33
- Discharge Air Tempering
  33
- Morning Warm-Up
  34
- Morning Cool-Down
  34
- Heating or Cooling Mode
  34
- Entering Water Temperature Sampling Function
  35
- Fan Operation
  35
- Exhaust Control
  35
- Valve Operation
  36
  - Modulating Valve Operation
    36
  - Modulating Valve Calibration
    36
  - Two-Position Valve Operation
    36
  - Isolation-Valve Operation
    36
  - Two-Pipe Operation
    37
  - Four-Pipe Operation
    37
- Modulating Outdoor/Return Air Dampers
  37
- Two-Position Control of a Modulating Outdoor Air Damper
  39
- Face-And-Bypass Damper Operation
  39
  - Face-And-Bypass, Isolation-Valve Operation
    39
- DX Cooling Operation
  39
- Electric Heat Operation
  39
- Baseboard Heat Operation
  39
- Dehumidification
  40
- Peer-To-Peer Communication
  40
- Unit Protection Strategies
  40
  - Smart Reset
    41
  - Low-Coil-Temperature Protection
    41
  - Condensate Overflow
    41
  - Fan Status
    41
  - Fan off Delay
    41
  - Filter-Maintenance Timer
    41
  - Freeze Avoidance
    41
  - Freeze Protection (Discharge Air Temperature Low Limit)
    42
Status Indicators for Operation and Communication

43
- Test Button
  43
- Manual Output Test
  43
- Service Pin Button
  47
- Interpreting Leds
  47
- Diagnostics
  48
  - Types of Diagnostics
    48
  - Table of Diagnostics
    49
Troubleshooting

51
Index

55

Trane Tracer ZN521 User Manual (12 pages)

Zone Controllers

Brand: Trane | Category: Controller | Size: 0.66 MB

Introduction
2
Table of Contents
3
Tracer ZN511 Zone Controller
4
- Inputs and Outputs
  4
- Features
  4
Wiring Diagram for the ZN511 Zone Controller
5
Tracer ZN521 Zone Controller
6
- Inputs and Outputs
  6
- Features
  6
Wiring Diagram for the ZN521 Zone Controller
8
Network Architecture
9
Zone Sensor Options
10
Dimensions and Specifications
11

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Trane Tracer ZN521 Manuals

Trane Tracer ZN521 Installation And Operation Manual (84 pages)

Table of Contents

Chapter 1 Overview and Specifications

Chapter 2 General Wiring Information

Chapter 3 Mounting the Controller

Chapter 4 Input/Output Functions and Wiring for Typical

Chapter 5 Sequence of Operations

Chapter 6 Status Indicators for Operation and

Chapter 7 Troubleshooting

Trane Tracer ZN521 Installation And Operation Manual (60 pages)

Table of Contents

Overview and Specifications

General Wiring Information

Mounting the Controller

Input/Output Functions and Wiring for Typical Applications

Sequence of Operations

Status Indicators for Operation and Communication

Troubleshooting

Index

Trane Tracer ZN521 User Manual (12 pages)

Table of Contents

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