Related Manuals for Trane Tracer ZN510
Summary of Contents for Trane Tracer ZN510
- Page 1 WSHP-IOP-2 May 1998 Installation, Operation, and Programming Tracer™ ZN510 Controller...
- Page 2 Literature History The Trane Company has a policy of continuous product improvement and it reserves the right to change specifications and design without notice. Installation, Operation, WSHP-IOP-2 and Programming Library Service Literature Product Section Unitary Product Water-Source Heat Pumps Model...
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Page 3: Table Of Contents
Table of Contents Start-up Procedure Power-up Sequence Unit Identification Tag Unit Operation General Information Communication Power Binary Outputs Analog Outputs Binary Inputs Analog Inputs Zone Sensors Heating or Cooling Control Mode Operation Single or Dual Compressor Operation Data Sharing Configuration Troubleshooting Diagnostics ZN510 Controller Replacement... -
Page 4: Start-Up Procedure
Start-up Procedure Installation of New Units Verify that water connections Follow all instruction for have been made to unit, then installation of water source ensure that water is circulating heat pumps as detailed in the through the unit. IOM (Installation Operation Maintenance manual). -
Page 5: Power-Up Sequence
Power Up Sequence Power Up Sequence A random start time is hard When 24 power initially is coded on every board and applied to the ZN510 controller, the cannot be disabled. The board following sequence occurs: generates a random time delay between 0 and 25 seconds. -
Page 6: Unit Identification Tag
This is a 27 character description of the location. For example, if the location identification for a unit is “Conference Room 101”, the ZN510 and Rover (the Trane Figure 1: Unit Identification Tag Comm 5 service tool) will recognize this clear English description so... -
Page 7: Unit Operation
(1TB1-14, ™ nication link without having to 1TB1-16) for connection to the with Trane’s service tool Rover connect directly to the ZN510 ZN510 provides a total of six 1/4-inch communication link (daisy board or provided as spare ter- quick-connect terminals for chain). -
Page 8: Power
Unit Operation Power Factory Supplied Transformer The ZN510 controller is powered by 24 . A total of two 1/4-inch quick- Line Voltage connect terminals are provided for 24 VAC connection to the board. See Figure 4 for ZN510 power requirement. 24VAC Note: Power for field installed ancil- lary devices is not available from the... -
Page 9: Analog Outputs
If the diagnostics Verify output wiring and remains after a reset, the status LED operation without using Trane’s indicates the diagnostic condition is service tool, Rover. still present and has affected the Analog Outputs ZN510 does not use analog outputs. - Page 10 Unit Operation Low Temperature Detection temperature condition exists for that outdoor air damper also operates The low temperature detection circuit. normally. diagnostic protects the heat exchanger by using an analog For two compressor units, the All unit operation is disabled when leaving water temperature sensor to controller responds to low the heat pump shuts down both...
- Page 11 Unit Operation In Occupied mode, the controller operates according to the controller defaults to occupied operates according to the occupied unoccupied setpoints regardless of mode because the occupancy binary setpoints. In Occupied Standby the state of the hardwired input (if present) typically is Mode, the unit controller operates occupancy input.
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Page 12: Analog Inputs
Unit Operation 24 VAC Compr 2 Compr 1 Binary Outputs Figure 7: High and low pressure switch Note: The ZN510 controller includes an automatic diag- nostic reset function that allows the controller to automatically recover after a high or low pres- sure cutout diagnostic. - Page 13 ZN510 controller intended for use with Trane zone failure diagnostic. generates a space temperature sensors. failure diagnostic. When a setpoint failure diagnostic...
- Page 14 Unit Operation Leaving Water Temperature See the Diagnostics section on page ZN510 uses analog input 1 (AI 1) as 28 for information about the the leaving water temperature input automatic diagnostic reset function. Possible Heat Pump for use with a thermistor. This input Fan Modes (1-speed) (AI 1) is automatically assigned as a...
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Page 15: Zone Sensor's Front Cover
Zone Sensor Zone Sensor values exist, the controller ignores (when present) is exposed on the The ZN510 controller accepts the the hardwired space temperature zone sensor’s front cover. following zone sensor inputs: input and uses the communicated value. When the hardwired setpoint Space temperature mea- adjustment is used to determine the surement. - Page 16 . If the fan control Trane’s service tool, Rover. The AUTO request is communicated to the controller remains in occupied controller, the controller ignores the...
- Page 17 Zone Sensor Specifications Part Number: X13510606020 Description: Space temperature (0.2 C resolution). External setpoint. buttons. CANCEL Communication jack. Vertical case with Trane logo. Part Number: X13510635010 Description: Space temperature (0.2 C resolution). External setpoint. Fan Switch ( AUTO ON and buttons.
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Page 18: Heating Or Cooling Control
Heating or Cooling Control Mode Operation Heating or Cooling unit capacity and pulse width controlling only the first Operation modulation (PWM) logic along with compressor, the controller runs For both single and dual compressor minimum on/off timers to determine compressor 1 continuously and operation, the ZN510 controller the operation for compressor 1. -
Page 19: Operation
Trane space temperature is within two mode as part of the morning warm zone sensor’s button. -
Page 20: Data Sharing
Use Rover, Trane’s service tool, to controllers. This can be achieved by set up peer-to-peer applications. wiring the adjustable setpoint... -
Page 21: Configuration
Configuration Configurable Parameters information, such as the default default configurations for heat Rover, Trane’s service tool, uses the analog inputs, the default binary pumps. unit type “heat pump” to determine inputs, and the default binary output and download unit configuration configurations. -
Page 22: Troubleshooting
LED on continuously, even when power is applied to Someone is pressing the service button or the controller has the controller. failed. Use Rover, Trane’s service tool, to restore the unit to normal LED flashes once every second. operation or unconfigured. !Warning! Service Button The black Service button on the ZN510 board allows the user to send a service pin message, which allows efficient identification of the unit's location. - Page 23 Troubleshooting Manual Output Testing the Heat for at least three seconds to Press the Test button several Pump Configurations start the test mode. more times (no more than once The procedure for testing heat pump per second) to advance through The test sequence resets configurations is: the test sequence.
- Page 24 Troubleshooting Questionable Unit Operation Table 13: Fan output does not energize Probable Cause Explanation After power up, the controller always observes a random start from 0 to 25 Random start observed. seconds. The controller remains off until the random start time expires. When power up control wait is enabled (non-zero time), the controller remains off until one of two conditions occurs: The controller exits power up control wait once it receives commu-...
- Page 25 Troubleshooting Questionable Unit Operation Table 14: Compressor(s) not running Probable Cause Explanation The controller compressor(s) turn on and off to meet the unit capacity Normal operation. requirements. The desired operating mode (such as off, heat and cool) can be communicated to Requested mode off.
- Page 26 Troubleshooting Questionable Unit Operation Table 16: Outdoor air damper stays closed Probable Cause Explanation The controller opens and closes the outdoor air damper based on the controller’s occupancy mode and fan status. Normally, the outdoor air damper is open Normal operation. during occupied mode when the fan is running and closed during unoccupied mode.
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Page 27: Diagnostics
Diagnostics Table 17: ZN510 controller diagnostics Diagnostic Other Outputs Compressors: Off Condensate overflow Damper: Closed Compressor 1: Off Low temp detect - Crt 1 Enabled Compressor 2: See note below. Damper: See note below. Compressor 1: See note below. Low temp detect - Crt 1 Enabled Compressor 2: Off Damper: See note below. -
Page 28: Zn510 Controller Replacement
Translating Multiple High/low pressure cutout, Rover Service Tool Diagnostics Circuit 1 and 2 Trane’s service tool, Rover, can reset The controller senses and records diagnostics in the ZN510 controller. When one or more of these special each diagnostic independently of... -
Page 29: Wiring Diagram
Wiring Diagram... - Page 30 Wiring Diagram...
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Page 31: Hardware Specifications
Hardware Specifications Specifications Storage Environment (EFT), IEC 1000-4-5 (Surge), FCC Part -40 to 185 F (-40 to 85 C) 15, Class A. 5 to 95% non-condensing Board Dimensions Power Requirements Input/Output Summary 18 to 32 VAC (24 VAC nominal) Three binary inputs. Height: 4”... - Page 32 Hardware Specifications Table 18: Binary Inputs Description Terminals Function Binary Input 1 J2-1 J2-2 Input Binary Input 2 J2-3 J2-4 Input Binary Input 3 J2-5 J2-6 Input Table 19: Binary Outputs Output Description Terminals Load Energized Load De-energized Rating Binary Output 1 J1-1 12 VA 1 VAC RMS (typical)