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Carrier Puron 38GLS-18G-703EC-40 User Manual

Carrier Puron 38GLS-18G-703EC-40
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INSTALLATION MANUAL
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Carrier Puron 38GLS-18G-703EC-40 Specifications

General IconGeneral
BrandCarrier
ModelPuron 38GLS-18G-703EC-40
CategoryAir Conditioner
LanguageEnglish

Summary

R-410A Refrigerant Safety and Handling

Installation Warnings

Installation Practices to Avoid

Visual examples of incorrect installation methods to prevent issues.

Refrigerant Connections and Torque

Flaring Refrigerant Tubing

Procedure for preparing refrigerant pipe ends for flare connections.

Connecting to the Unit

Steps for connecting refrigerant lines to the outdoor unit, including torque specs.

Tightening Torque Specifications

Detailed torque values for various connection points and fittings.

Refrigerant System Details

Air Purging Procedure

Method for removing air from the refrigerant circuit using a vacuum pump.

Electrical Connections

Cooling Unit and System Wiring Diagrams

Diagrams for electrical connections in cooling-only models.

Heat Pump Unit and System Wiring Diagrams

Diagrams for electrical connections in heat pump models.

Pump Down and Refrigerant Charge Check

Pump-Down Operation Procedure

Procedure to collect refrigerant in the outdoor unit before disconnection.

Refrigerant Charge Verification Methods

Methods for checking and adjusting refrigerant levels using superheat.

Refrigerant Control and Unit Maintenance

Refrigerant Charge Control Diagrams

Diagrams illustrating refrigerant charge check points for different unit types.

Troubleshooting and Owner's Guide

Troubleshooting Common Operational Issues

Guide to diagnosing and resolving operational problems with the outdoor unit.

GLS Model Head Pressure Control System

Head Pressure Controller Wiring Diagram

Wiring diagram for the head pressure control system.

YLS Model Head Pressure Control System

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