Trane Technologies 4TWL5036N1000A User Manual

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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.
June 2022
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Side Discharge HP Models
For coastal applications where units are installed within one (1) mile of salt water, epoxy coated models are recommended. These models
have an 8 week lead time after order.
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4TWL5030N1COTA
4TWL5036N1COTA
4TWL5042N1COTA
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Installer’s Guide

Trane Technologies 4TWL5036N1000A Specifications

General

Cooling Capacity	36000 BTU/H
Voltage	208/230V
Phase	1
Refrigerant Type	R-410A
Unit Weight	220 lbs

Summary

Installer's Guide and Model Overview

Side Discharge HP Models Introduction

Initial Safety Warning

Critical safety notice regarding installation and service procedures.

Comprehensive Safety Precautions

Hazardous Voltage and Refrigerant Handling

Warnings for electrical hazards, refrigerant oil, and pressure.

Grounding, Brazing, and Chemical Exposure Warnings

Safety for grounding, brazing, and potential chemical exposure.

Unit Preparation and Pad Installation

Support Pad Installation Guidelines

Refrigerant Line and Factory Charge Details

Refrigerant Line Brazing Steps

Brazing Preparation and Execution

Steps for preparing and brazing refrigerant lines.

Refrigerant Line Brazing Completion

Brazing Valve Body Protection and Core Replacement

Protecting valves during brazing and replacing valve cores.

Refrigerant System Integrity Checks

Leak Check Procedure

Method for detecting leaks in the refrigerant system.

Evacuation Process and Standards

Steps for evacuating the system to remove moisture and air.

Service Valve Operations

Low Voltage Electrical Wiring

Low Voltage Thermostat Wiring

High Voltage Electrical Safety

High Voltage Power Supply Precautions

Safety guidelines for working with high voltage components.

High Voltage Disconnect and Grounding

Installation of disconnect switches and grounding requirements.

System Start-Up Procedure

Thermostat Settings and Power Application

Subcooling Charging Method for Cooling

Cooling Mode Charging Above 55°F Ambient

System Charge Adjustment Calculations

Temperature and Pressure Measurements for Adjustment

Subcooling Correction Worksheet Usage

R-410A Refrigerant Charging Chart

Liquid Temperature and Pressure Data

Subcool Charging Correction Charts

Charts for Line Length and Lift Corrections

Finalizing Unit Charging

System Stabilization and Gauge Removal

Verifying System Performance with Pressure Curves

Installation Checkout Procedure Checklist

Final System Checks Before Operation

Troubleshooting Compressor Issues

Diagnosing Compressor Start Failures

Flowchart for troubleshooting compressor start problems.

Troubleshooting Compressor Operation

Diagnosing Compressor Not Running

Flowchart for troubleshooting compressor not running issues.