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Carrier 38GLS...G - User Manual

Carrier 38GLS...G
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38GL...G / 38GLS...G
38YY...G / 38YYS...G
INSTALLATION MANUAL
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Questions and Answers

  • K
    Kathy MccoyAug 17, 2025
    What to do if my Carrier Air Conditioner compressor runs continuously?
    • K
      Katie DavidsonAug 17, 2025
      If the compressor in your Carrier Air Conditioner runs continuously, you can check the temperature selection. Also, the refrigerant level should be checked and replenished if low. If these steps don't resolve the issue, consider replacing the component, draining and recharging the refrigerant, or removing any obstructions from the filter.
  • J
    Jeffrey FieldsAug 19, 2025
    What to do if my Carrier 38GLS...G Air Conditioner compressor and fan of the outdoor unit will not start?
    • D
      Dustin IrwinAug 20, 2025
      If the compressor and fan of the outdoor unit of your Carrier Air Conditioner do not start, check the mains power connections and ensure the switch is in the ON position. If necessary, replace the component. Wait for 3 minutes, check for any causes and eliminate them and check and repair.
  • D
    David HayesAug 22, 2025
    What to do if the outdoor fan motor on my Carrier Air Conditioner is running always at low speed?
    • K
      Kelly MillerAug 22, 2025
      If the outdoor fan motor of your Carrier Air Conditioner is always running at low speed, check the connections between the temperature sensor and the board. If the connections are correct, consider replacing the sensor or the board.
  • J
    Jared PattersonAug 26, 2025
    What to do if my Carrier 38GLS...G compressor starts, but stops due to its overtemperature protection?
    • S
      Suzanne MorrowAug 26, 2025
      If the compressor of your Carrier Air Conditioner starts but stops due to overtemperature protection, drain the refrigerant, evacuate, and recharge the system. Remove any obstructions, check the cause and repair, check and replace if needed and check and remove any obstructions. Also, consider replacing the component.
  • J
    Jennifer HuffmanAug 28, 2025
    What to do if the discharge pressure is too high on my Carrier 38GLS...G?
    • R
      Robert SmithAug 28, 2025
      If the discharge pressure is too high on your Carrier Air Conditioner, clean or remove any obstructions. If this doesn't resolve the issue, consider replacing the component, draining some refrigerant, or draining, evacuating, and recharging the refrigerant.
  • N
    nelsonmelanieAug 30, 2025
    What to do if the discharge pressure is too low on my Carrier 38GLS...G Air Conditioner?
    • A
      Andrea EdwardsAug 31, 2025
      If the discharge pressure is too low on your Carrier Air Conditioner, add refrigerant. Additionally, ensure there are no obstructions and clean the filter.
  • C
    Corey SanchezSep 2, 2025
    What to do if the outdoor fan motor on my Carrier 38GLS...G is running always at high speed?
    • N
      Nicole SanchezSep 2, 2025
      If the outdoor fan motor of your Carrier Air Conditioner runs at high speed constantly, replace the temperature sensor or the board.
  • T
    tina15Sep 5, 2025
    What to do if my Carrier 38GLS...G Air Conditioner compressor will not start, but outdoor fan is running?
    • R
      rodriguezkimSep 5, 2025
      If the compressor of your Carrier Air Conditioner does not start, but the outdoor fan is running, check and repair the component. Also, check for the cause and replace the compressor if necessary. If needed, replace the component.
  • K
    Kevin MatthewsSep 8, 2025
    What to do if the suction pressure is too high on my Carrier Air Conditioner?
    • J
      jade28Sep 8, 2025
      If the suction pressure is too high on your Carrier Air Conditioner, drain some refrigerant or replace the component.
  • J
    Jesus HillSep 12, 2025
    What to do if the suction pressure is too low on my Carrier Air Conditioner?
    • S
      Stephanie ButlerSep 12, 2025
      If the suction pressure is too low on your Carrier Air Conditioner, add refrigerant. Also, check for the cause and repair and check and repair. Check the electrical connections.

Summary

Quick Reference Guide for Installers

Dimensions and Weight

Connections

Details on pipe diameters and maximum lengths for unit connections.

Minimum Clearances

System Charge

Specifies refrigerant charge and extra charge based on unit model and pipe length.

General Information

Choosing the Installation Site

Recommendations and positions to avoid for optimal unit installation.

Warnings: Avoid...

Refrigerant Connections

Flaring the Ends of the Tubing

Step-by-step guide and torque specifications for flaring copper tubing.

Connection to Unit

Instructions for connecting pipes to the unit and tightening torque values.

Air Purging

Procedure for purging air from the system using a vacuum pump.

Electrical Connections

Electrical Data Table

Detailed electrical specifications including power input and wire sizes.

Pump Down and Refrigerant Circuit

Pump-down Operation

Procedure for collecting refrigerant into the outdoor unit before disconnection.

Unit Maintenance, Troubleshooting and Guide for the Owner

Unit Maintenance

Instructions for qualified personnel on cleaning the coil and general maintenance.

Troubleshooting

Common issues, symptoms, and solutions for compressor, fan, and system performance.

Guide for the Owner

Guidance for explaining unit operation and maintenance to the end-user.

Carrier 38GLS...G Specifications

General IconGeneral
BrandCarrier
Model38GLS...G
CategoryAir Conditioner
LanguageEnglish

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