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Airwell FLO 12 DCI - User Manual

Airwell FLO 12 DCI
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Multi Split Trio Quattro DCI
Indoor Units Outdoor Units
FLO 9 DCI
TRIO-72 DCI
QUTTRO-80 DCI
FLO 12 DCI
FLO 18 DCI
SX 9 DCI
SX 12 DCI
SX 18 DCI
BS 12 DCI
K 9 DCI
K 12 DCI
K 18 DCI
OCTOBER – 2008
REFRIGERANT
R410A
HEAT PUMP
SM TQDCI 1-A.1 GB
CONTENTS

Questions and Answers

  • B
    Bruce WardSep 12, 2025
    What does 'Outdoor Unit Fault' mean on my Airwell FLO 12 DCI Air Conditioner?
    • M
      Michele RhodesSep 12, 2025
      If your Airwell Air Conditioner displays an 'Outdoor Unit Fault', switch to outdoor diagnostics to identify the specific problem.
  • A
    Andres ZunigaAug 25, 2025
    Why is my Airwell FLO 12 DCI running but not cooling?
    • A
      Aaron WintersAug 25, 2025
      If your Airwell Air Conditioner seems to be running fine, but you're not getting any cooling or heating, there may be a refrigerant leak. You should check the refrigeration system for leaks.
  • T
    Tracey Gilbert MDAug 25, 2025
    Why is my Airwell Air Conditioner not cooling or heating even though all components are operating?
    • S
      Sherry DuarteAug 26, 2025
      If your Airwell Air Conditioner's components are running but there's no cooling or heating, it's likely due to a refrigerant leak. Checking the refrigeration system is recommended.
  • M
    margaretbradshawSep 23, 2025
    Why is my Airwell FLO 12 DCI Air Conditioner compressor operating but not generating capacity?
    • R
      rebeccariveraSep 23, 2025
      If the compressor in your Airwell Air Conditioner is running but one or more units aren't generating capacity, it could be due to an EEV (Electronic Expansion Valve) problem or refrigerant leakage.
  • K
    Kevin MortonSep 12, 2025
    What does DC under voltage mean on my Airwell Air Conditioner?
    • T
      Tracy WilliamsSep 12, 2025
      If your Airwell Air Conditioner is showing a DC under voltage error, check the outdoor unit power supply voltage, as it indicates an electronics hardware problem.
  • A
    April CarterSep 16, 2025
    What to do if my Airwell FLO 12 DCI indoor fan does not start?
    • A
      Annette DavilaSep 16, 2025
      If the indoor fan of your Airwell Air Conditioner doesn't start, first ensure the unit isn't in heat mode with a coil that's not yet warm; if so, switch to cool mode. Also, check if the outdoor unit is in the opposite mode and change the operation mode accordingly. Check power supply to motor is higher than 130VAC (for triack controlled motor) or higher than 220VAC for fixed speed motors, if OK replace capacitor, if not OK replace controller.
  • A
    Alejandro WatersSep 4, 2025
    What causes sensor failures in my Airwell FLO 12 DCI Air Conditioner?
    • J
      Jillian BlackSep 5, 2025
      If you are experiencing sensor failures of any kind with your Airwell Air Conditioner, check the sensor connections or replace the sensor.
  • C
    Christopher SmithSep 5, 2025
    What does communication mismatch mean on my Airwell Air Conditioner?
    • A
      Amy GonzalezSep 5, 2025
      If there's a communication mismatch with your Airwell Air Conditioner, it means the indoor and outdoor controllers have different versions. Replace the indoor controller to fix this.
  • J
    James NobleSep 17, 2025
    What to do if my Airwell FLO 12 DCI Air Conditioner compressor motor is generating noise but no suction occurs?
    • B
      barronamySep 17, 2025
      If the compressor motor in your Airwell Air Conditioner is noisy but there's no suction, the phase order to the compressor is likely incorrect. You should check the compressor phase order.
  • D
    David PorterAug 30, 2025
    Why is the power supply indicator not lighting up on my Airwell FLO 12 DCI Air Conditioner?
    • B
      Bianca BrownAug 30, 2025
      If the red LED power supply indicator on your Airwell Air Conditioner isn't lighting up, it suggests a power issue. Check the power supply to the unit. If the power supply is OK, check the display and display wiring. If those are OK, replace the controller.

Summary

Airwell Service Manual Introduction

General System Overview

General overview of the Trio/Quattro DCI Multi series as a high-level technology product.

Main Features and System Capabilities

Highlights key technological and system features including high technology and system capabilities.

Tubing Connections Information

Information on interconnecting tubing installation and references to appendix.

Inbox Documentation Details

Details on accompanying installation and operation manuals supplied with each indoor unit.

Unit Matching Table

Table showing outdoor and indoor unit compatibility and model matching.

Indoor Unit Combinations

Combinations of indoor units with outdoor units and their corresponding code sums.

Product Data Sheet Overview

Outdoor Unit Specifications

Detailed technical specifications for TRIO-72 and QUATTRO-80 DCI outdoor units.

Indoor Unit Specifications

Technical data for various indoor unit models including FLO, K, SX, and BS.

Rating Conditions and Operating Limits

Operating Limits Details

Specifies the operating temperature and voltage limits for cooling and heating modes.

Outline Dimensions of Unit Components

Indoor Unit Dimensions

Dimensional drawings for various indoor unit models (FLO, K, SX, BS).

Outdoor Unit Dimensions

Dimensional drawings for TRIO-72 and QUATTRO-80 DCI outdoor units.

Performance Data and Calculations

Trio-72 DCI Performance Data

Performance data for Trio-72 DCI outdoor unit with FLO indoor units.

Quattro-80 DCI Performance Data

Performance data for Quattro-80 DCI outdoor unit with FLO indoor units.

Indoor Unit Capacity Factors

Capacity factors for FLO, K, SX, BS indoor units.

Tubing Length Correction Factors

Factors adjusting performance based on tubing length.

Model Correction Factors

Factors for correcting performance based on model.

Performance Calculation Example

Example calculation for performance data.

Pressure Curves for Unit Operation

TRIO-72 DCI Pressure Curves

Pressure curves for TRIO-72 DCI outdoor unit in cooling and heating modes.

QUATTRO-80 DCI Pressure Curves

Pressure curves for QUATTRO-80 DCI outdoor unit in cooling and heating modes.

Tubing Length Pressure Correction Factors

Pressure ratio correction factors based on tubing length.

Outdoor Unit Code Pressure Correction Factors

Correction factors based on outdoor unit code.

Pressure Calculation Example

Example calculation for pressure correction.

Electrical Data and Connections

Electrical Specifications

Electrical specifications for Trio-72 and Quattro-80 DCI outdoor units.

Wiring Diagrams and Connections

Wiring diagrams for TRIO-72 and QUATTRO-80 DCI outdoor units.

Refrigeration Diagrams

Refrigerant System Diagram

Refrigerant system diagram for TRIO-72 and QUATTRO-80 DCI outdoor units.

Tubing Connections Procedures

Tube Bending Guidelines

Guidelines and torques for tubing connections and bending.

Control System Operation and Parameters

Abbreviations List

List of abbreviations used in the control system section.

Product Overview and Block Diagram

General overview of the control system, its components, and architecture.

System Operation Modes and Inputs

Details on dry contacts, temperature sensors, base heater, and operating modes.

Indoor Unit Control and Communication

Indoor unit fan control, communication, and unit mode operations.

Compressor and Fan Control Logic

Compressor speed control, NLOAD calculations, and outdoor fan speed control.

EEV Control Strategy

Control and operation of Electronic Expansion Valves (EEVs).

System Protections and Safeguards

Thermodynamic protections, ODU protections, deicing, and overflow protection.

Test Modes for Installation and Technicians

Procedures for installation and technician test modes.

User Interface and Menu Navigation

Description of the unit's user interface, keys, and menu navigation.

Settings and Parameter Configuration

Jumper settings, system parameters, and model-dependent configurations.

Troubleshooting Guide and System Diagnostics

General System Failures and Corrective Actions

Common system failures and their corresponding corrective actions.

System Diagnostics Procedures

Procedures for diagnosing system faults and reading fault codes.

Component Checking Procedures

Step-by-step checks for major system components and troubleshooting.

Safety Precautions and Notices

Important safety precautions, advice, and notices for handling the unit.

Exploded Views and Spare Parts Lists

Outdoor Unit: Multi Trio-72 DCI Parts

Exploded view and parts list for the Trio-72 DCI outdoor unit.

Outdoor Unit: Multi Quattro-80 DCI Parts

Exploded view and parts list for the Quattro-80 DCI outdoor unit.

Appendix A: Installation Manual Reference

Installation Manual for Trio-72, Quattro-80 DCI

Reference to the installation manual for specific models.

Airwell FLO 12 DCI Specifications

General IconGeneral
BrandAirwell
ModelFLO 12 DCI
CategoryAir Conditioner
LanguageEnglish

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