Trane ZN510 Controller, Tracer manual Configuration

Page 21

Configuration

Configurable Parameters Rover, Trane’s service tool, uses the unit type “heat pump” to determine and download unit configuration

information, such as the default

default configurations for heat

analog inputs, the default binary

pumps.

inputs, and the default binary output

 

configurations. See Table 7 for

 

Table 8: Heat pump heating or cooling operation.

Unit Type

 

Heat pump

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cooling Source

Compressor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating Source

Compressor (none for cooling only units)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Compressors

1 (2 for 2-compressor units)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BOP 1: Fan on (normally open)

 

 

 

 

 

 

 

BOP 2: Reversing valve (normally open)*

 

 

 

 

 

 

Binary Outputs

BOP 3: Not used

 

 

 

 

 

 

BOP 4: Compressor 1 (normally open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BOP 5: Compressor 2 (normally open)**

 

 

 

 

 

 

 

BOP 6: Outdoor Air Damper (normally open)***

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BI 1: Low temperature detection, circuit 2 (normally closed)*

 

 

 

 

Binary Inputs

**

 

 

 

 

 

 

 

 

BI 2: Condensate overflow (normally closed)†

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BI 3: Occupancy (normally open)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Zone: Space temperature (0.0 F calibration)

 

 

 

 

 

 

 

Set: Setpoint (0.0 F calibration)

 

 

 

 

 

 

Analog Inputs

Fan: Fan mode

 

 

 

 

 

 

 

AI 1: Leaving water temperature

 

 

 

 

 

 

 

AI 2: Discharge air temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan operation (heating): Cycling

 

 

 

 

 

 

 

Fan operation (cooling): Cycling

 

 

 

 

 

 

Fan

Fan speed default (heating): On/high

 

 

 

 

 

 

 

Fan speed default (cooling): On/high

 

 

 

 

 

 

 

Fan switch (hardwired): Enabled

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unoccupied cooling setpoint: 85 F

 

 

 

 

 

 

 

Occupied standby cooling: 78 F

 

 

 

 

 

 

 

 

 

 

The heating and cooling setpoint

 

 

 

Occupied cooling setpoint: 74 F

 

 

 

 

 

 

 

 

 

high and low limits only apply to the

 

 

 

Occupied heating setpoint: 71 F

 

 

 

 

 

 

 

 

 

occupied and occupied standby

 

 

 

Occupied standby heating: 67 F

 

 

 

 

 

 

 

 

 

setpoints. These limits never apply

 

 

Setpoints

Unoccupied heating setpoint: 60 F

 

 

 

 

 

 

 

 

to the unoccupied setpoints.

 

 

 

Cooling setpoint high limit: 115

F

 

 

 

 

 

 

Cooling setpoint low limit: 40 F

 

 

 

 

 

 

 

 

Heating setpoint high limit: 115

F

 

 

 

 

 

 

 

Heating setpoint low limit: 40 F

 

 

 

 

 

 

 

 

 

 

The occupied bypass time is used for timed

 

 

Thumbwheel set point: Enabled

 

 

 

 

 

 

 

 

override applications. The timed override

 

Occupied Bypass

 

 

 

 

120 minutes

 

 

 

timer is maintained in the unit controller.

 

Timer

 

 

 

 

 

 

 

 

 

 

 

When the timed override is applicable, the

 

 

 

 

 

 

 

Leaving Water

 

 

 

 

 

 

 

 

controller reports “Occupied Bypass” as its

 

Temperature

Unit specific (20 F ground source or 35 F standard)

 

 

 

effective occupancy mode.

 

Low Limit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Location Identifier

Unit specific (maximum of 30 characters)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*BOP 2, BI1: Not used on cooling only units.

**BOP 5: Not used on signal compressor unit.

***Configured but not required.

† Optional model number dependent

The leaving water temperature low limit is used for freeze protection of circuit 1 on heat pumps. Circuit 2 is protected by a binary low temperature detection device (freezestat) with a fixed trip point.

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Contents WSHP-IOP-2 Installation, Operation Literature History1998, American Standard Company Table of Contents Start-up Procedure Installation of New UnitsZone Sensor Placement Power Up Sequence Power Up SequenceUnit Identification Tag Unit Identification TagCommunication Unit OperationPower Binary OutputsPosition Damper Actuator or Generic Binary Output Binary input configurations Binary Input Description Configuratio Contact Closure OpenOutput Overrides Occupancy Condensate OverflowHigh and Low Pressure Switches Description Communicated Request Hardwired State ResultGeneric Binary Input Compr Binary Outputs 24 VAC ComprAnalog Inputs Discharge Air Sensor Leaving Water Sensor CircuitFan Mode Input Local SetpointOccupied setpoints Filter Maintenance Timer Fan Off DelayZone Sensor Internal and External Setpoint AdjustmentZone Sensor Setpoint OperationCommunication Jack Zone Sensor Features Fan Switch OptionalZone Sensor Specifications Compressor Minimum ON/OFF Timers Heating or Cooling Control Mode OperationHeating or Cooling Operation Capacity Unit Between 100% 50%Morning Warm Up Single and Dual Compressor OperationMaster Controller Data SharingConfiguration Red Service LED TroubleshootingYellow Service LED Green Status LEDPump Configurations Manual Output Testing the HeatTesting the Heat Pump Configurations Pump Operation for Systems with ZN510 Loop ControllerFan output does not energize Questionable Unit OperationNicated information Wait time expiresOutdoor air damper stays open Compressors not runningOutdoor air damper stays closed Diagnostics ZN510 controller diagnosticsDiagnostic Fan Other Outputs Resetting Diagnostics Translating Multiple DiagnosticsCycling Power Rover Service ToolWiring Diagram Wiring Diagram Specifications Board Dimensions Hardware SpecificationsOperating Environment 32 to 140 F 0 to 60 C Agency ListingsDescription Terminals Function Binary InputsBinary Output J1-1 12 VA VAC RMS typical J1-2 J1-4 Binary Output J1-5 12 VA VAC RMS typical J1-6 J1-7