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Daikin EWAQ050BAW - User Manual

Daikin EWAQ050BAW
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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 EWAQ050BAW

Preview: Service Manual
Service Manual228 pages

Questions and Answers

  • J
    Janice FullerAug 19, 2025
    What to do if Daikin EWAQ050BAW Chiller shows error code E3?
    • A
      Alejandro BallardAug 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.
  • D
    Douglas YoungAug 22, 2025
    How to fix Daikin EWAQ050BAW Chiller error code U1?
    • L
      Laura PowellAug 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
    Travis PerezAug 23, 2025
    What to do if Daikin EWAQ050BAW Chiller displays error code A6?
    • J
      James RodriguezAug 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
    Andrea WrightAug 26, 2025
    What does Daikin EWAQ050BAW Chiller error code AE mean?
    • J
      John MosleyAug 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.
  • E
    Erika FletcherAug 27, 2025
    What causes Daikin EWAQ050BAW error code U2?
    • M
      Megan KellyAug 27, 2025
      Daikin Chiller error code U2 indicates a power supply error. Check the wiring connections and contact your local dealer.
  • S
    Sara PittmanAug 29, 2025
    What does Daikin EWAQ050BAW error code A9 mean?
    • H
      Howard MirandaAug 29, 2025
      Daikin Chiller error code A9 indicates an R410A expansion valve error. Check the wiring connections and contact your local dealer.
  • M
    Matthew MoraSep 1, 2025
    What does Daikin EWAQ050BAW error code C4 mean?
    • V
      Virginia HernandezSep 1, 2025
      Daikin Chiller error code C4 indicates an R410A liquid thermistor error. Check the wiring connections and contact your local dealer.
  • S
    Sandra MillerSep 2, 2025
    What to do for Daikin EWAQ050BAW Chiller error code J7?
    • K
      Kelly BernardSep 3, 2025
      Daikin Chiller error code J7 indicates an R410A suction thermistor error. Check the wiring connections and contact your local dealer.
  • M
    Megan ColemanSep 4, 2025
    What does Daikin Chiller error code C9 mean?
    • R
      Robert PerezSep 4, 2025
      Daikin Chiller error code C9 indicates a returning water thermistor error. Check the wiring connections and contact your local dealer.
  • A
    Amber HernandezSep 7, 2025
    What does Daikin EWAQ050BAW error code CA mean?
    • C
      Crystal DownsSep 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 safety warnings, symbols, and their severity.

2. PRECAUTIONS FOR INSTALLATION

3. PREPARE THE INSTALLATION OF THE AIR TO WATER CHILLER

3.2. Verify the appropriate installation location

Guidelines for selecting a suitable and safe installation site.

3.2.1. General precautions on installation location

Detailed site requirements, including space, stability, and environmental factors.

3.5. Prepare the water piping work

Instructions for preparing the water circuit connections and fittings.

3.6. Prepare the electrical wiring work

Guidelines for safely preparing and executing electrical connections.

4. INSTALL THE CHILLER

4.1. Unpack the unit

Procedures for safely unpacking and inspecting the chiller unit.

4.2. Install the unit

Steps for correctly placing and securing the unit on its foundation.

4.4. Overview of the unit

Component breakdown and diagrams of the chiller unit.

4.5. Perform the water piping work

Detailed instructions for connecting and preparing the water piping system.

4.6. Connect the electrical wiring

Steps for safely connecting the unit's electrical wiring and power supply.

5. COMMISSIONING THE CHILLER

5.1. Verify completion of installation

5.2. Configure the unit

Settings and configurations required for the unit's operation.

5.2.2. Field setting on outdoor module(s)

5.2.3. Field settings on the remote controller

Configuration options available through the remote controller interface.

5.2.4. Procedure

5.2.5. Detailed description

5.3. Setting up the controller

5.3.2. Setting the schedule timer

5.4. Space cooling operation (*)

Guide for operating the unit in cooling mode.

5.4.1. Room temperature control

5.4.2. Leaving water temperature control (default)

5.5. Space heating operation (*) (for EWYQ units only)

Guide for operating the unit in heating mode.

5.5.1. Room temperature control

5.6. Other operation modes

5.8. Schedule timer operation

Programming and managing the unit's operation schedule.

5.8.1. Space cooling

5.8.2. Space heating

5.9. Programming and consulting the schedule timer

Detailed guide on setting and viewing programmed schedules.

5.9.1. Getting started

5.9.2. Programming

5.9.3. Consulting programmed actions

6. FIELD SETTINGS

6.1. Procedure

6.1.1. Field settings table

A comprehensive table listing all field settings, defaults, and ranges.

7. MAINTENANCE

7.2. Maintenance activities

8. TROUBLESHOOTING

Daikin EWAQ050BAW Specifications

General IconGeneral
ModelEWAQ050BAW
CategoryChiller
Cooling Capacity50 kW
Power Supply380-415V, 3Ph, 50Hz
RefrigerantR-410A
Compressor TypeScroll
Weight280 kg

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