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Airwell GC 24 DCI - User Manual

Airwell GC 24 DCI
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SX DCI Series
Indoor Units Outdoor Units
SX 9 DCI GC 9 DCI
SX 12 DCI GC 12 DCI
SX 18 DCI GC 18 DCI
SX 24 DCI GC 24 DCI
SX 30 DCI GC 30 DCI
AUGUST – 2008
REFRIGERANT
R410A
HEAT PUMP
SM SX DCI 1-A.3 GB
CONTENT

Table of Contents

Questions and Answers

  • M
    mary55Sep 18, 2025
    Why is the indoor fan of my Airwell GC 24 DCI not starting?
    • W
      williamoneillSep 18, 2025
      If the indoor fan of your Airwell Heat Pump doesn't start, but the louvers are open and the green LED is lit, there could be a few reasons: * If the unit is in heat mode, the coil might not be warm yet. Try changing to cool mode to test. * There might be a problem with the PCB or capacitor. Switch to high speed and check if the power supply to the motor is higher than 130VAC (for triack controlled motor) or higher than 220VAC for fixed speed motors. If it is, replace the capacitor. If not, replace the controller.
  • C
    carpenterzacharyAug 25, 2025
    Why is my Airwell GC 24 DCI Heat Pump blowing air but not cooling or heating?
    • K
      Katie ButlerAug 25, 2025
      If your Airwell Heat Pump's indoor and outdoor fans are working, but there's no cooling or heating, the overload safety device on the compressor may have cut out because of low voltage or high temperature. Also, the compressor run capacitor may be faulty, or the compressor windings may be shorted. Try switching off the power and trying again after one hour, and check for proper voltage. If the problem persists, consider replacing the compressor capacitor or the compressor.
  • A
    Amy WilliamsAug 25, 2025
    Why is there only a limited air supply from my Airwell GC 24 DCI?
    • M
      Mark Hoffman Jr.Aug 26, 2025
      A limited air supply from your Airwell Heat Pump, especially if accompanied by a whistling noise and ice formation on the indoor unit coil in cooling mode, suggests a lack of refrigerant. You should charge the unit after localizing the leak.
  • G
    greevesAug 26, 2025
    What to do if my Airwell GC 24 DCI doesn't respond to the remote control?
    • R
      Regina MooreAug 27, 2025
      If your Airwell Heat Pump isn't responding to the remote, first check the remote control batteries. If the batteries are OK, inspect the display and display wiring. If these are okay, replace the display PCB. If the problem remains, replace the controller.
  • B
    Brian GonzalesSep 19, 2025
    What to do if Airwell Heat Pump responds to remote but the Green LED doesn't light up?
    • M
      Michael WilliamsSep 22, 2025
      If your Airwell Heat Pump responds to the remote control message but the Operate indicator (Green LED) doesn't light up, there may be a problem with the display PCB. Replace the display PCB. If the issue persists, replace the controller.
  • T
    Tracy GrahamSep 23, 2025
    How to fix a power supply indicator (Red LED) that does not light up on my Airwell GC 24 DCI?
    • S
      Scott LeblancSep 23, 2025
      If the power supply indicator (Red LED) on your Airwell Heat Pump doesn't light up, it indicates there's no power supply. Check the power supply. If the power supply is OK, check the display and display wiring. If those are OK, replace the controller.
  • S
    Stephanie CainSep 9, 2025
    What should I do if the red LED power indicator on my Airwell GC 24 DCI Heat Pump doesn't light up?
    • J
      Jasmine EatonSep 10, 2025
      If the red LED power indicator doesn't light up, check the power supply. If the power supply is OK, check the display and display wiring. If those are OK, replace the controller.
  • G
    George CaseySep 12, 2025
    What to do if the compressor is running but the outdoor fan isn't working on my Airwell GC 24 DCI Heat Pump?
    • M
      Michael GraySep 12, 2025
      If the compressor is running but the outdoor fan isn't working, there could be a problem with the outdoor electronics or the outdoor fan itself. Check the outdoor fan motor according to the procedure in section 13.5.3 below, if not OK replace controller.
  • R
    Robert DixonSep 3, 2025
    Why is my Airwell Heat Pump operating in the wrong mode?
    • C
      chad55Sep 3, 2025
      If your Airwell Heat Pump is working in the wrong mode (cooling instead of heating, or vice versa), it could be due to electronics or a power connection issue to the RV. Check the RV power connections. If these are OK, check the RV operation with a direct 230VAC power supply. If that’s OK, replace the outdoor controller.
  • A
    allenpatrickSep 1, 2025
    Why is only the indoor fan working on my Airwell GC 24 DCI Heat Pump?
    • C
      Christopher FloresSep 1, 2025
      If only the indoor fan is working on your Airwell Heat Pump, the run capacitor of the outdoor fan motor may be faulty, or the windings of the outdoor fan might be shorted. Replace the capacitor or replace the motor.

Summary

Introduction to SX DCI Series Air Conditioners

General Information and Features

Overview of the SX split ceiling mounted range and its key technological innovations.

Indoor Unit Description

Details on the indoor unit, its components, and filtration system.

Outdoor Unit and Control System

Information on outdoor unit installation, components, and control system.

Unit Matching Table

Compatibility table for matching indoor and outdoor units.

Product Data Sheets for SX DCI Series

SX 9 DCI R410 A Specifications

Technical specifications for the SX 9 DCI model with R410A refrigerant.

SX 12 DCI R410 A Specifications

Technical specifications for the SX 12 DCI model with R410A refrigerant.

SX 18 DCI R410 A Specifications

Technical specifications for the SX 18 DCI model with R410A refrigerant.

SX 24 DCI R410 A Specifications

Technical specifications for the SX 24 DCI model with R410A refrigerant.

SX 30 DCI R410 A Specifications

Technical specifications for the SX 30 DCI model with R410A refrigerant.

Outline Dimensions of Units

Indoor Unit Dimensions

Physical dimensions for SX 9, 12, 18, 24, and 30 DCI indoor units.

Outdoor Unit Dimensions

Physical dimensions for GC 9, 12, 18, 24, and 30 DCI outdoor units.

Performance Data and Curves

SX 9 DCI Performance Data

Cooling and heating capacity data for SX 9 DCI.

SX 12 DCI Performance Data

Cooling and heating capacity data for SX 12 DCI.

SX 18 DCI Performance Data

Cooling and heating capacity data for SX 18 DCI.

SX 30 DCI Performance Data

Cooling and heating capacity data for SX 30 DCI.

Capacity Correction Factors Due to Tubing Length

Factors adjusting capacity based on tubing length for SX 9/12 DCI.

Sound Level Characteristics

Indoor Unit Sound Pressure Level Spectrum

Octave band sound pressure levels for SX indoor units.

Outdoor Unit Sound Pressure Level Spectrum

Octave band sound pressure levels for GC outdoor units.

Electrical Data

Single Phase Unit Specifications

Electrical parameters for single-phase units, including supply and wiring.

Wiring Diagrams

SX;GC 9, 12, 18 DCI Wiring Diagrams

Electrical wiring schematics for SX 9/12/18 DCI and GC 9/12/18 DCI units.

SX 24, 30 DCI Indoor Unit Wiring

Electrical wiring schematic for SX 24 and 30 DCI indoor units.

GC 24, 30 DCI Outdoor Unit Wiring

Electrical wiring schematic for GC 24 and 30 DCI outdoor units.

Refrigeration Diagrams

SX DCI Series Refrigeration Circuit

Diagrams illustrating the refrigeration circuits for cooling and heating modes.

Tubing Connections

Connection Details and Torque Values

Guidelines for tubing connections, including bending and torque specifications.

Troubleshooting Guide

General System Failures and Corrective Actions

Common issues and their solutions for DCI single split systems.

Refrigeration System Checking

Procedures for checking system pressures and thermodynamic measures.

Indoor;Outdoor Unit Diagnostics

How to enter and interpret diagnostic modes for unit troubleshooting.

Main Parts Checking Procedures

Simple procedures for checking key components like mains voltage and motors.

Safety Precautions and Advises

Important safety warnings and advice for handling electrical components.

Control System

General Functions and Operating Rules

Overview of the DCI software, operation concept, and fan control.

Cool and Heat Mode Operations

Detailed operation logic for Cool, Heat, and Dry modes.

System Protections Overview

Explanation of various protection codes and their triggers.

Test Mode Operations

Procedures for entering and operating the unit in test mode.

Software (SW) Parameters

Model-dependent software parameters for unit configuration.

Exploded Views and Spare Parts Lists

Indoor Unit Exploded Views and Parts Lists

Diagrams and lists of parts for indoor units SX 9, 12, 18, 24, 30 DCI.

Outdoor Unit Exploded Views and Parts Lists

Diagrams and lists of parts for outdoor units GC 9, 12, 18, 24, 30 DCI.

Appendix A: Manual References

Installation and Operation Manuals

References to separate installation and operation manuals for SX DCI series.

Airwell GC 24 DCI Specifications

General IconGeneral
BrandAirwell
ModelGC 24 DCI
CategoryHeat Pump
LanguageEnglish

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