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Carrier 38VYM Series User Manual

Carrier 38VYM Series
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R-410A
INSTALLATION MANUAL
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Carrier 38VYM Series Specifications

General IconGeneral
BrandCarrier
Model38VYM Series
CategoryAir Conditioner
LanguageEnglish

Summary

R-410A Quick Reference Guide

Dimensions, Weight, and Clearances

Unit Dimensions and Weight

Provides physical dimensions and weight for different 38VYM models.

Minimum Installation Clearances

Specifies required clearances for optimal unit operation and service access.

Connections and Operating Limits

Pipe Connections and Lengths

Details pipe diameter and length requirements for connecting indoor and outdoor units.

System Operating Limits

Outlines maximum and minimum operating conditions for cooling and heating.

General Information and Site Selection

Unit Installation Guidelines

Covers general installation procedures, safety precautions, and system compatibility.

Installation Site Recommendations

Provides recommendations and positions to avoid for unit placement.

Critical Installation Warnings

Practices to Avoid

Highlights common installation mistakes and practices to avoid for proper functioning.

Refrigerant Connection Procedures

Refrigerant Handling and Preparation

Emphasizes cleanliness, proper charging, and tool usage for refrigerant connections.

Brazing and Vacuuming

Details the process of dry nitrogen brazing and vacuuming the system.

Refrigerant Piping Connections

Flaring Tubing Ends

Explains the process of flaring copper tubes for refrigerant connections.

Connecting Pipes to Unit Ports

Illustrates connecting refrigerant pipes to unit ports and tightening.

Tightening Torque Specifications

Provides torque specifications for various flare nuts and caps.

Refrigerant System Purging

Air Purging Process

Explains the correct method for removing air from the refrigerant circuit.

Electrical Wiring Diagrams

38VYM-18 Unit and System Wiring

Details the terminal box and system wiring for the 38VYM-18 model.

38VYM-28 Unit and System Wiring

Details the terminal box and system wiring for the 38VYM-28 model.

Electrical Wiring Diagrams (Cont.)

38VYM-32 Unit and System Wiring

Details the terminal box and system wiring for the 38VYM-32 model.

Electrical Data and Cable Specifications

Cable Types and Wire Size

Specifies cable types and minimum wire sizes for interconnections.

Electrical Data for Cooling and Heating

Provides power input and connection data for cooling and heating modes.

Incorrect Wiring and Piping Check

Procedure and LED Indicator Interpretation

Outlines the steps to check for incorrect wiring or piping using LED indicators.

Test Procedure, Pump-down, and Maintenance

System Test Procedure

Details the procedure for testing each indoor unit's operation.

Pump-down Operation

Explains the process of collecting refrigerant into the outdoor unit.

Coil Cleaning Maintenance

Provides instructions for cleaning the unit's coil.

Owner's Guide and Accessories

Advises on user explanation and lists available accessories.

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