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Airwell WDI 12 - User Manual

Airwell WDI 12
53 pages
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DUO 38 DCI / DAKOTA
Indoor Units Outdoor Units
WDI 7
DUO 38 DCI
WDI 9
WDI 12
JUNE – 2009
REFRIGERANT
R410A
HEAT PUMP
SM DUO38I 1-A.2 GB

Questions and Answers

  • R
    Raymond PruittAug 9, 2025
    Why is my Airwell Air Conditioner compressor running but not cooling?
    • G
      Glenda GonzalezAug 9, 2025
      If your Airwell Air Conditioner's compressor is running, but the unit isn't cooling, the Electronic Expansion Valve (EEV) might be stuck in the closed position. You should check the EEV.
  • M
    Morgan HarrisAug 16, 2025
    What to do if one Airwell WDI 12 Air Conditioner indoor unit is not cooling and the other is leaking?
    • L
      Laura MooreAug 16, 2025
      If one Airwell Air Conditioner indoor unit is operating in cool mode but has no cooling capacity, while the other unit has water leaks or freezing problems, the communication wires between the two indoor units may be switched. Check and correct the communication wire connections.
  • Y
    Yvette ParkerAug 23, 2025
    What to do if the Airwell Air Conditioner indoor fan won't start?
    • C
      Chris JonesAug 23, 2025
      If the indoor fan of your Airwell Air Conditioner doesn't start, but the louvers are open and the green LED is lit, here are a few things to check: * If the unit is in heat mode, the coil may not be warm yet. Try switching to cool mode. * The outdoor unit might be in the opposite mode. Change the operation mode and see if the fan starts. * There may be a problem with the PCB or capacitor. Set the fan to high speed and check the power supply to the motor. For Triac controlled motors, it should be higher than 130VAC; for fixed speed motors, it should be higher than 220VAC. If the power supply is OK, replace the capacitor. If not, replace the controller.
  • M
    marshallbrianAug 31, 2025
    How to fix an Airwell WDI 12 Air Conditioner when the power indicator is off?
    • D
      David PriceAug 31, 2025
      If the power supply indicator (Red LED) on your Airwell Air Conditioner indoor unit isn't lit, it indicates a power supply problem. Check the power supply from the outdoor unit. If the power supply is OK, then check the display and display wiring. If the display and wiring are OK, replace the controller.

Summary

Product Data Sheet

Rating Conditions

Performance Data

Cooling Performance Data

Presents cooling capacity (kW) data for WDI 7-7, WDI 9-9, and WDI 9-12 DCI units under various conditions.

Heating Performance Data

Presents heating capacity (kW) data for WDI 7-7, WDI 9-9, and WDI 9-12 DCI units under various conditions.

Pressure Curves

Wiring Diagrams

DUO 38 DCI Wiring Diagram

Presents the electrical wiring diagram for the DUO 38 DCI outdoor unit and its connections.

Refrigeration Diagrams

Cooling Mode Refrigeration Diagram

Illustrates the refrigerant flow path for the DUO 38 DCI unit in cooling mode.

Heating Mode Refrigeration Diagram

Illustrates the refrigerant flow path for the DUO 38 DCI unit in heating mode.

Control System

System Protections

Outlines various protection mechanisms like defrost, overheat, and current protection.

Troubleshooting

System Failures and Corrective Actions

Lists common system failures for dual split units and their corrective actions.

MSMP Diagnostics and Fault Codes

Provides MSMP fault codes for outdoor and indoor units and their meanings.

Exploded Views and Spare Parts Lists

Airwell WDI 12 Specifications

General IconGeneral
BrandAirwell
ModelWDI 12
CategoryAir Conditioner
LanguageEnglish

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