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Daikin EWAQ025BAW - User Manual

Daikin EWAQ025BAW
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INSTALLATION AND
OPERATION MANUAL
EWAQ016BAW
EWAQ021BAW
EWAQ025BAW
EWAQ032BAW
EWAQ040BAW
EWAQ050BAW
EWAQ064BAW
EWYQ016BAW
EWYQ021BAW
EWYQ025BAW
EWYQ032BAW
EWYQ040BAW
EWYQ050BAW
EWYQ064BAW
Packaged air-cooled water chiller
4PWEN70082-1C.book Page 1 Wednesday, September 25, 2013 7:31 AM

Table of Contents

Other manuals for Daikin EWAQ025BAW

Preview: Service Manual
Service Manual228 pages

Questions and Answers

  • F
    frankhernandezAug 19, 2025
    What to do if Daikin EWAQ025BAW Chiller shows error code E3?
    • A
      Alex GonzalezAug 20, 2025
      If your Daikin Chiller displays error code E3, it indicates a high-pressure error, possibly due to air in the circuit. Ensure the circuit is filled with water and that there is no air inside. Also, confirm that water flow is possible by opening all valves and verifying the water filter isn't blocked. Additionally, ensure all refrigerant stop valves are open. If the issue persists, contact your local dealer.
  • M
    Michael BoyleAug 21, 2025
    How to fix Daikin Chiller error code U1?
    • K
      kcollinsAug 22, 2025
      Daikin Chiller error code U1 means the phases of the power to the unit are reversed. To fix this, exchange two of the three phases (L1, L2, L3) to make a positive phase connection.
  • T
    Tanya SmithAug 25, 2025
    What to do if Daikin EWAQ025BAW Chiller displays error code A6?
    • L
      Lance RichardsonAug 25, 2025
      Daikin Chiller error code A6 indicates a malfunction in the water circuit. Ensure water flow is possible by opening all valves in the circuit and force clean water through the unit.
  • A
    Amanda RandolphAug 26, 2025
    What does Daikin EWAQ025BAW error code AE mean?
    • T
      Tara PachecoAug 26, 2025
      Daikin Chiller error code AE is a water system warning. To address this, check the filter, ensure all valves are open, and contact your local dealer if the problem continues.
  • D
    Donald GloverAug 28, 2025
    What causes Daikin EWAQ025BAW error code U2?
    • O
      ogarciaAug 28, 2025
      Daikin Chiller error code U2 indicates a power supply error. Check the wiring connections and contact your local dealer.
  • M
    Megan PhillipsAug 29, 2025
    What does Daikin EWAQ025BAW Chiller error code A9 mean?
    • S
      Sarah SimsAug 30, 2025
      Daikin Chiller error code A9 indicates an R410A expansion valve error. Check the wiring connections and contact your local dealer.
  • R
    Rachel ChavezAug 31, 2025
    What does Daikin Chiller error code C4 mean?
    • N
      nguyenmichaelSep 1, 2025
      Daikin Chiller error code C4 indicates an R410A liquid thermistor error. Check the wiring connections and contact your local dealer.
  • R
    Randy GarciaSep 2, 2025
    What to do for Daikin EWAQ025BAW Chiller error code J7?
    • M
      Matthew HayesSep 2, 2025
      Daikin Chiller error code J7 indicates an R410A suction thermistor error. Check the wiring connections and contact your local dealer.
  • P
    prhodesSep 4, 2025
    What does Daikin Chiller error code C9 mean?
    • J
      Jacqueline Waters DVMSep 4, 2025
      Daikin Chiller error code C9 indicates a returning water thermistor error. Check the wiring connections and contact your local dealer.
  • Z
    zhowellSep 7, 2025
    What does Daikin EWAQ025BAW Chiller error code CA mean?
    • N
      Nathan MyersSep 7, 2025
      Daikin Chiller error code CA is a heating leaving water thermistor error. Check the wiring connections and contact your local dealer.

Summary

1. INTRODUCTION

1.4. Meaning of warnings and symbols

Defines warning symbols and their severity for safety.

2. PRECAUTIONS FOR INSTALLATION

3. PREPARE THE INSTALLATION OF THE AIR TO WATER CHILLER

3.2. Verify the appropriate installation location

Guides on selecting a suitable and safe location for unit installation.

3.5. Prepare the water piping work

3.6. Prepare the electrical wiring work

4. INSTALL THE CHILLER

4.2. Install the unit

Covers placing the unit on its foundation and ensuring level installation.

4.5. Perform the water piping work

4.5.5. Protecting the water circuit against freezing

4.5.6. Fill the water circuit

4.6. Connect the electrical wiring

4.6.5. Connection of the unit power supply and communication cable(s)

5. COMMISSIONING THE CHILLER

5.1. Verify completion of installation

Lists checks to perform after installation is complete before powering up.

5.2. Configure the unit

5.4. Space cooling operation

5.5. Space heating operation

5.8. Schedule timer operation

5.9. Programming and consulting the schedule timer

6. FIELD SETTINGS

6.1. Procedure

Step-by-step guide for accessing and changing field settings.

6.1.1. Field settings table

7. MAINTENANCE

8. TROUBLESHOOTING

8.1. Error codes

Lists error codes, their causes, and corrective actions.

Daikin EWAQ025BAW Specifications

General IconGeneral
Cooling Capacity25 kW
RefrigerantR-410A
Compressor TypeScroll
Water Flow Rate4.3 m³/h
Power Supply400V, 3 phase, 50Hz
TypeAir-cooled Chiller

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