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Carrier 38GL2M18G - User Manual

Carrier 38GL2M18G
22 pages
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38GL_M…G /
38YY(S)_M…G
INSTALLATION MANUAL

Questions and Answers

  • D
    daniel72Aug 8, 2025
    Why does my Carrier Air Conditioner compressor run continuously?
    • M
      maldonadogabrielAug 8, 2025
      If the compressor in your Carrier Air Conditioner runs continuously, first check the temperature selection. If that's not the issue, have a technician check and add refrigerant as needed. It may also be necessary to replace components or drain and recharge the refrigerant. Additionally, make sure there are no obstructions and the filter is clean.
  • M
    Melinda YoungAug 14, 2025
    What to do if Carrier Air Conditioner compressor won't start, but outdoor fan is running?
    • J
      James WilliamsAug 14, 2025
      If the compressor of your Carrier Air Conditioner won't start but the outdoor fan is running, have a technician check and repair the system. It may also be necessary to check for the cause and replace the compressor. The issue might also be resolved by replacing a specific component.
  • F
    fletchersarahAug 20, 2025
    How to fix high discharge pressure in Carrier Air Conditioner?
    • D
      David BanksAug 20, 2025
      If your Carrier Air Conditioner's discharge pressure is too high, start by cleaning or removing any obstructions. If the problem persists, a component might need replacement, or some refrigerant may need to be drained. In some cases, it might be necessary to drain, evacuate, and recharge the refrigerant.
  • N
    Nicholas CraigAug 27, 2025
    What to do if Carrier Air Conditioner compressor starts, but stops due to its overtemperature protection?
    • B
      Brett WalterAug 27, 2025
      If the compressor in your Carrier Air Conditioner starts but stops due to overheating, consider these solutions: have a technician drain, evacuate, and recharge the refrigerant. Remove any obstructions that might be restricting airflow. Also, a technician should check the system and conduct necessary repairs or replacements.
  • L
    Leon MirandaSep 1, 2025
    How to fix low discharge pressure in Carrier Air Conditioner?
    • A
      Anna Wood MDSep 1, 2025
      If your Carrier Air Conditioner's discharge pressure is too low, you may need to add refrigerant. Additionally, ensure there are no obstructions and that the filter is clean.

Summary

Dimensions and Weight

Model and Power Supply Specifications

Details model numbers, types, and power supply compatibility.

General Information and Site Selection

Installation Guidelines and Safety

Provides instructions for installing the unit, emphasizing safety and compliance.

Installation Avoidance Guidance

Refrigerant Connection Best Practices

Purity and Leak Prevention

Emphasizes moisture, dust, and leak-free connections.

Brazing, Vacuum, and Charging Methods

Details nitrogen brazing, vacuum creation, and charging methods.

Refrigerant Tubing and Connections

Electrical Connections - 38 GL Series

Electrical Connections - 38 GL;YY Series

Electrical Connections - 38 YY Series

Electrical Connections - 38 YY(S) Series

Electrical Data and Specifications

Electrical Data Table

Provides electrical specifications, power input, and wire sizes for models.

Refrigerant Pump Down and Charge Check

System Pump Down Procedure

Steps to collect system refrigerant into the outdoor unit.

Correct Refrigerant Charge Method

Method for checking and correcting refrigerant charge.

Unit Maintenance and Troubleshooting

Operational Troubleshooting Guide

Guides on diagnosing and resolving operational problems.

Diagnostics, Testing, and Accessories

Alarm Codes and System Diagnostics

Explains unit alarms, LED signals, and error codes.

Carrier 38GL2M18G Specifications

General IconGeneral
BrandCarrier
Model38GL2M18G
CategoryComputer Hardware
LanguageEnglish

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