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Daikin Altherma 3 R ECH2O - User Manual

Daikin Altherma 3 R ECH2O
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User reference guide
Daikin Altherma 3 R ECH₂O
EHSH04P30EF
EHSHB04P30EF
EHSH08P30EF
EHSHB08P30EF
EHSH08P50EF
EHSHB08P50EF
EHSX04P30EF
EHSXB04P30EF
EHSX04P50EF
EHSXB04P50EF
EHSX08P30EF
EHSXB08P30EF
EHSX08P50EF
EHSXB08P50EF

Table of Contents

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Questions and Answers

  • J
    jspencerJul 28, 2025
    What to do if my Daikin Altherma 3 R ECH2O Air Conditioner is blowing cold (hot) air?
    • R
      Robert Williams MDJul 28, 2025
      If you're feeling too cold (hot), it might be because the desired room temperature is set too low (high). Try increasing (decreasing) the desired room temperature. If the problem happens regularly, you can also increase (decrease) the room temperature preset value or adjust the room temperature schedule. Another reason may be that the desired room temperature cannot be reached. In that case, increase the desired leaving water temperature according to the heat emitter type. Also, check if the weather-dependent curve is set incorrectly and adjust it if needed.
  • S
    Steven RichardsonAug 6, 2025
    Why is my Daikin Altherma 3 R ECH2O heat pump failing?
    • D
      Debra SmithAug 6, 2025
      A heat pump failure can occur due to several reasons. One potential cause is air in the system; if this is the case, purge the air from the system. Another cause might be an incorrect hydraulic balance. To fix this, have your installer perform hydraulic balancing to ensure the flow is correctly distributed between the emitters. If that's not enough, they can also change the pump limitation settings. If you see a or symbol on the user interface, consult the help text for more information about the malfunction.
  • E
    emilysanchezAug 17, 2025
    What to do if the water at the tap is too cold from my Daikin Air Conditioner?
    • D
      Donald SerranoAug 17, 2025
      The water at the tap might be too cold because you've used up all the domestic hot water due to high consumption. If you need hot water right away, you can activate the tank Powerful operation, but keep in mind this uses more energy. If this happens often, try adjusting the storage tank temperature schedule. Another cause might be that the desired storage tank temperature is too low.

Summary

About this document

Daikin Residential Controller app

Details the functionality and access to the Daikin Residential Controller mobile application.

Breadcrumbs

Explains the navigation aid system used within the user interface.

Meaning of warnings and symbols

Explains the safety warnings, cautions, and informational symbols used in the manual.

User safety instructions

General Safety Instructions

Provides essential general safety instructions and warnings for operating the appliance.

Instructions for safe operation

Details specific safety precautions to prevent hazards during the operation of the unit.

About the system

Components in a typical system layout

Illustrates and labels the main components of a typical Daikin Altherma system.

Quick guide

User permission level

Explains the different user permission levels and how to change them.

Space heating;cooling

Guides on how to turn space heating/cooling ON or OFF and adjust temperatures.

Domestic hot water

Provides instructions for operating and setting domestic hot water functions.

Operation

User interface: Overview

Describes the components of the user interface, including status indicators and controls.

Dials and buttons

Explains the function and operation of the user interface dials and buttons.

Menu structure: Overview user settings

Presents a detailed overview of the user settings menu structure.

Possible screens: Overview

Illustrates the various screens available on the user interface.

Turning operation ON or OFF

Guides on how to activate or deactivate the unit's main operation modes.

Reading out information

Explains how to access and view various system data and information.

Space heating;cooling control

Covers the settings and adjustments for space heating and cooling functions.

Domestic hot water control

Explains the different modes and settings for domestic hot water preparation.

Preset values and schedules

Covers the use of preset values and programming schedules for system settings.

Weather-dependent curve

Explains how the system uses weather data to adjust heating/cooling temperatures.

Other functionalities

Covers additional system functions and features.

Using WLAN

Covers the setup and configuration of the WLAN module for remote control.

Energy saving tips

Tips about room temperature

Offers advice on optimizing room temperature settings for energy efficiency.

Tips about leaving water temperature

Provides guidance on setting leaving water temperatures for energy savings.

Tips about DHW temperature

Suggests ways to manage domestic hot water temperature for energy efficiency.

Maintenance and service

Overview: Maintenance and service

Outlines routine maintenance tasks and how to contact service personnel.

Troubleshooting

To display the help text in case of a malfunction

Explains how to access detailed error descriptions for malfunctions.

Symptom: You are feeling too cold (hot) in your living room

Addresses common issues related to incorrect room temperature control.

Symptom: The water at the tap is too cold

Helps diagnose and resolve problems with insufficient hot water supply.

Symptom: Heat pump failure

Describes actions to take when the main heat pump unit fails.

Symptom: The system is making gurgling noises after commissioning

Troubleshoots gurgling noises, often related to air in the system.

Relocation

Overview: Relocation

Provides information on how to proceed with relocating system components.

Disposal

Glossary

Installer settings: Tables to be filled in by installer

Configuration wizard

Details the initial setup and configuration parameters for the installer.

Settings menu

Lists settings available for the installer to configure within the system menus.

Daikin Altherma 3 R ECH2O Specifications

General IconGeneral
RefrigerantR-32
TypeAir-to-Water Heat Pump
Energy Efficiency Class HeatingA+++
Energy Efficiency Class CoolingA++
Operating Temperature Range Cooling10°C to 46°C

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