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Trane WSC036A User Manual

Trane WSC036A
64 pages
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February 2009
RT-SVX23D-EN
Installation
Operation
Maintenance
Packaged Heat Pump
3 Through 10 Ton
Model Numbers
WSC036A - WSC120A
WSC036E - WSC060E

Table of Contents

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Trane WSC036A Specifications

General IconGeneral
ModelWSC036A
RefrigerantR-410A
Voltage208/230V
Phase1
Cooling Capacity36000 BTU/h
Heating Capacity36000 BTU/h

Summary

Safety Warnings, Manual Overview, and Model Description

Safety Alert Definitions

Defines warnings, cautions, and notices for safety and equipment protection.

Specific Safety Warnings and Notices

Refrigerant, Electrical, and UV Light Hazards

Warns about refrigerant pressure, hazardous voltage, and UV light risks.

System Input Devices and Functions

Compressor Control Inputs

Details compressor disable (CPR1/2) and low-pressure control functions.

Pre-Installation Procedures

Fiberglass Insulation Safety and First Aid

Warns about fiberglass exposure and provides safety precautions and first aid.

Installation Clearances and Site Prep

Unit Clearances for Operation and Service

Explains minimum clearances required for unit serviceability, capacity, and efficiency.

Unit Clearances Diagrams and Notes

Installation Clearance Configurations

Illustrates typical clearances for single and multiple unit applications with detailed notes.

Unit Rigging and Weight Data

Lifting Safety and Unit Weights

Warns about lifting hazards and provides unit weights and loading data.

Installation - Roof Curbs and Safety

Combustible Material Clearance Warning

Addresses potential roof damage and general notices for property protection.

Installation - Rigging and Ductwork

Unit Rigging Procedures and Safety

Details safe rigging practices and warnings for lifting heavy objects.

Installation - General Requirements and Setup

General Unit Installation Checklist

Lists essential steps for successful commercial unit installation.

Installation - Horizontal Discharge Conversion

Installation - Horizontal Discharge Conversion (Continued)

Installation - Electric Heater Controls

TCO-A Limit Control Replacement

Provides instructions for replacing the TCO-A limit control for electric heaters.

Installation - Wiring and Power Requirements

Electrical Power and Wiring Requirements

Covers main electrical power, electric heat, and low voltage wiring requirements.

Installation - Condensate Management

Condensate Trap and Piping Requirements

Details condensate trap installation and piping pitch for proper drainage.

Installation - Filters, Wiring, and Conductors

Field Power Wiring and Conductor Requirements

Guides on field power wiring, NEC compliance, and using only copper conductors.

Installation - Control Wiring and Conductors

Control Power Transformer and 24 VAC Controls

Explains control power transformers, 24 VAC wiring, and safety precautions.

Installation - Smoke Detector Wiring

ReliaTel Smoke Detector Wiring and Interconnection

Details low voltage wiring for ReliaTel smoke detectors and interconnection methods.

Pre-Start - Temperature Averaging

Pre-Start - Optional Controls Wiring

Pre-Start - Temperature-Resistance Data and Safety Checks

Pre-Start Electrical Safety and Component Checks

Emphasizes electrical safety and checks for connections, airflow, motors, belts, and traps.

Pre-Start - Voltage and Phasing

Voltage Imbalance Calculation and Limits

Explains how to measure and calculate voltage imbalance and its impact.

Three-Phase Motor Electrical Phasing

Details procedures for checking and correcting electrical phasing for three-phase motors.

Pre-Start - Crankcase Heaters and Electrical Safety

Compressor Crankcase Heater Operation

Explains the function of crankcase heaters and their importance for compressor oil.

Live Electrical Component Safety

Reiterates warnings about working with live electrical components during service.

Pre-Start - Test Modes and ReliaTel Controls

Test Mode Procedures

Describes methods for initiating unit tests via the control panel.

Start-Up - Component Testing and Airflow

Component Service Test Guide

Provides a guide for testing individual unit components.

Verifying Direct Drive Fan Airflow

Details how to verify proper airflow for two-speed direct drive indoor fans.

Start-Up - Airflow Verification for Belt Drive Fans

Verifying Belt Drive Fan Airflow and CFM

Explains airflow verification for belt drive fans, including RPM and static pressure measurements.

Start-Up - Airflow for 5-Tap Direct Drive Fans

Start-Up - Smoke Detectors and Economizer

Start-Up - Compressor and Heating Operations

Compressor Start-Up and Operation Checks

Details procedures for starting up compressors, checking rotation, and operating pressures.

Start-Up - Final Setup and Belt Maintenance

Fan Belt Adjustment and Safety

Details fan belt inspection, replacement, adjustment, and associated safety warnings.

Start-Up - Belt Tension Measurement

Maintenance - Monthly Tasks and Filters

Monthly Maintenance Overview and Safety

Details monthly maintenance tasks and safety precautions for rotating components.

Maintenance - Coil Cleaning and Hail Guards

Maintenance - Coil Cleaning Safety

Hazardous Chemical and Pressure Warnings

Alerts about hazardous chemicals and pressures during coil cleaning and safe handling practices.

Trouble Shooting - RTRM Diagnostics

RTRM Diagnostics and System Status Checks

Guides on checking RTRM status, LEDs, and system status diagnostics.

Live Electrical Component Safety Warning

Reiterates crucial safety warnings when working with live electrical components.

Trouble Shooting - Failure Identification

Trouble Shooting - System Status and Lockout Resets

Resetting Cooling/Heating Lockouts

Provides methods for resetting cooling and heating lockouts via zone sensor or power cycling.

Trouble Shooting - Sensors and Switches

Trouble Shooting - Advanced Tests and Defaults

Wiring Diagrams

Limited Warranty - Residential Use

Limited Warranty - Commercial Use

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