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Trane Precedent WSC060ED User Manual

Trane Precedent WSC060ED
33 pages
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SAFETY WARNING
Only qualified personnel should install and service the equipment. The installation, starting up, and
servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific
knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person could
result in death or serious injury. When working on the equipment, observe all precautions in the literature
and on the tags, stickers, and labels that are attached to the equipment.
Packaged Rooftop Air Conditioners
Precedent™ — Heat Pump
5 – 10 Tons – 50 Hz
September 2012 RT-SVX39B-EN
Installation, Operation,
and Maintenance
Model Numbers WSC060ED - WSC120ED
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Trane Precedent WSC060ED Specifications

General IconGeneral
Model NumberWSC060ED
CategoryAir Conditioner
Cooling Capacity5 Tons
Refrigerant TypeR-410A
Voltage208/230V
Phase3
Compressor TypeScroll

Summary

Model Number Description

Unit Type and Efficiency

Decoding digits for unit type and efficiency ratings.

Cooling Capacity and Voltage

Interpreting capacity MBH and voltage selection digits.

Controls and Options

Understanding digits for controls, options, and communication.

System Monitoring and Enhancements

Explaining digits for monitoring and hardware upgrades.

Model Number Notes

Availability and Features

Notes on unit availability, dampers, and motor types.

Economizer and Special Options

Details on economizer configurations and specific options.

Smoke Detectors and Accessories

Notes on smoke detectors and accessory compatibility.

General Information

Unit Identification

Details on unit and compressor nameplates.

Unit Components and Control

Description of unit, ECA, and ReliaTel modules.

System Input Devices

Overview of sensors and their functions.

Unit Features and Controls

Fan and Filter Monitoring

Input functions for fan failure and clogged filters.

Drainage and Compressor Controls

Overflow switches, compressor disable, and pressure controls.

ReliaTel and Zone Sensors

ReliaTel options and Zone Sensor Module details.

Advanced Zone Sensing

Programmable and Remote Sensors

Details on programmable and various remote sensors.

Specialty Sensors and Protection

High temp sensor, frost control, and phase monitoring.

Unit Clearances

Installation Clearance Diagrams

Visuals showing side-by-side and end-to-end clearances.

Clearance Notes and Figures

Explanations for specific unit configurations and dimensions.

Pre-Installation Procedures

Unit Inspection and Storage

Steps for inspecting and storing the unit.

Installation Clearances

Importance and impact of proper unit clearances.

Installation Requirements

Foundation and Ductwork

Requirements for unit support and air duct connections.

Horizontal Unit Airflow

Diagrams for horizontal supply and return airflow.

Unit Installation Specifics

Downflow Unit Airflow

Diagrams for downflow supply and return airflow.

Roof Curb and Rigging

Installation of roof curbs and unit rigging procedures.

General Unit Requirements

Rigging and Lifting Procedures

Safe methods for rigging and lifting the unit.

Installation Checklist

Key steps for successful commercial unit installation.

Unit Configuration and Drainage

Factory Economizer and Drain Lines

Setup for factory economizers and condensate drain.

Horizontal Discharge Conversions

Procedures for converting to horizontal discharge.

Wiring and Drainage Configuration

Low Voltage Wiring

Requirements for AC and DC low voltage wiring.

Condensate Drain Setup

Instructions for configuring condensate drainage and traps.

Component Installation Details

Drain Pan and Filter Service

Procedures for drain pan removal and filter installation.

Field Wiring Requirements

Guidelines for field-installed power and control wiring.

Control Wiring and Power

Control Power and 24 VAC Controls

Transformer details and 24 VAC control wiring.

DC Analog Input/Output Wiring

Guidelines for DC analog signal wiring.

Pre-Start Procedures

Space Temperature Averaging

Wiring methods for averaging multiple remote sensors.

Pre-Start Checks

Voltage Imbalance and Phasing

Procedures for checking voltage imbalance and electrical phasing.

Component Pre-Start

Compressor Crankcase Heaters

Importance and operation of crankcase heaters.

Unit Test Modes

Methods for testing unit components during start-up.

ReliaTel Control System

ReliaTel System Operation

Self-diagnostics and test procedures for the ReliaTel system.

Start-Up Procedures

Verifying Proper Air Flow

Methods for measuring and verifying unit airflow.

Belt Drive Fan Adjustment

Procedures for adjusting belt drive fan speed.

Component Start-Up

Economizer and Compressor Start-Up

Procedures for starting economizer and compressors.

Heating Start-Up and Final Setup

Steps for heating start-up and final system configuration.

Fan Belt Adjustment

Belt Tension Measurement

Methods for measuring and adjusting belt tension.

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