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Carrier 38GL2M12G - User Manual

Carrier 38GL2M12G
22 pages
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38GL_M…G /
38YY(S)_M…G
INSTALLATION MANUAL

Questions and Answers

  • M
    Mrs. Cristina MclaughlinAug 2, 2025
    Why does my Carrier Air Conditioner compressor run continuously?
    • L
      Loretta ArnoldAug 2, 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.
  • J
    Jeanette MahoneyAug 7, 2025
    What to do if Carrier Air Conditioner compressor won't start, but outdoor fan is running?
    • H
      hammondjamesAug 7, 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.
  • C
    Chelsea ScottAug 14, 2025
    How to fix high discharge pressure in Carrier Air Conditioner?
    • R
      Regina EdwardsSep 12, 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.
  • T
    Theresa McleanAug 20, 2025
    What to do if Carrier Air Conditioner compressor starts, but stops due to its overtemperature protection?
    • B
      Betty WhitakerAug 20, 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.
  • C
    Carl RollinsAug 26, 2025
    How to fix low discharge pressure in Carrier Air Conditioner?
    • J
      Johnathan RichAug 26, 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

R-410 A Quick Reference Guide

Dimensions and Weight

Minimum Clearances

Piping and Electrical Connections

Piping Connection Specifications

Connection Specifications Summary

Operating Limits

General Installation Information

Installation Warnings

Refrigerant Connection Procedures

Flaring and Tightening Refrigerant Pipes

Purging and Leak Checking Refrigerant Circuit

Electrical Connections - Models 38 GL2 M12 G to 38 GL2 M24 G

Electrical Connections - Models 38 GL3 M21 G, 38 GL3 M30 G

Electrical Connections - Models 38 GL4 M24 G, 38 GL2 M36 G, 38 GL2 M48 G

Electrical Connections - Heat Pump Models 38 YY2 M18 G to 38 YY2 M24 G

Electrical Connections - Heat Pump Models 38 YY(S)2 M36 G, 38 YY(S)2 M48 G

Electrical Data and Connection Notes

Pump Down Procedure

Refrigerant Charge Check and Correction

Refrigerant Charge Control Diagrams

Unit Maintenance Procedures

Troubleshooting Common Issues

System Diagnostics and Alarm Codes

System Testing Procedures

Available Accessories

Carrier 38GL2M12G Specifications

General IconGeneral
BrandCarrier
Model38GL2M12G
CategoryComputer Hardware
LanguageEnglish

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