Daikin EHBH04DA6V7 - User Manual

Daikin EHBH04DA6V7

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Installer reference guide

Daikin Altherma 3 R W

ERGA04DAV3(A)

ERGA06DAV3(A)

ERGA08DAV3(A)

EHBH04DA6V7

EHBH08DA6V7

EHBH08DA9W7

EHBX04DA6V7

EHBX08DA6V7

EHBX08DA9W7

+

Table of Contents

Installer reference guide2

Questions and Answers

J
Jody RubioAug 18, 2025
Why is my Daikin EHBH04DA6V7 not sufficiently heating at low outdoor temperatures?
- J
  Jamie HowellAug 18, 2025
  If your Daikin Heat Pump isn't sufficiently heating the space at low outdoor temperatures, it could be due to several reasons: * The backup heater operation might not be activated. Ensure the backup heater operation mode is enabled. * The backup heater overcurrent circuit breaker might be off. Turn it back on if it is off. * The thermal protector of the backup heater might be activated. If it has, check the water pressure, whether there is air in the system, and the air purge operation, then press the reset button in the switch box. * The backup heater equilibrium temperature may not be configured correctly. Try increasing the equilibrium temperature to activate the backup heater operation at a higher outdoor temperature.
A
Andre SanchezAug 20, 2025
How to check temperature settings on Daikin Heat Pump when it is not heating or cooling?
- B
  Bernard ArnoldAug 20, 2025
  If your Daikin Heat Pump isn't heating or cooling as expected, first check the temperature setting on the remote controller to ensure it's correct. The issue might stem from an incorrect setting.
A
amanda38Aug 22, 2025
What to do if Daikin EHBH04DA6V7 Heat Pump is not heating or cooling and water flow is low?
- T
  thompsonrobertAug 23, 2025
  If your Daikin Heat Pump isn't heating or cooling as expected, it might be due to low water flow. Ensure all shut-off valves of the water circuit are completely open, the water filter is clean, and there is no air in the system. Also, check that the water pressure is above 1 bar, the expansion vessel is not broken, and the valve towards the expansion vessel is open. Verify that the resistance in the water circuit isn't too high for the pump.
C
Carl BradyAug 26, 2025
Why won't the compressor start on my Daikin EHBH04DA6V7 Heat Pump for space or water heating?
- K
  Kristi WeaverAug 26, 2025
  If the compressor in your Daikin Heat Pump isn't starting for space or domestic water heating, it could be because the unit is starting outside of its operation range, meaning the water temperature is too low. In this case, the unit uses the backup heater to reach the minimum water temperature first (15°C). Check that the power supply to the backup heater is correctly wired, and the backup heater thermal protector is not activated, and the backup heater contactors are not broken.
M
Mark JacksonAug 28, 2025
Why is my Daikin EHBH04DA6V7 Heat Pump system making gurgling noises?
- J
  Jessica NguyenAug 28, 2025
  If your Daikin Heat Pump system is making gurgling noises after commissioning, it could be caused by air in the system. Purge the air from the system. It can also be caused by various malfunctions. Check if or is displayed on the home screen of the user interface for more information about the malfunction.
T
Thomas MontoyaAug 30, 2025
How to fix a noisy pump (cavitation) in my Daikin EHBH04DA6V7?
- J
  Julie WebbAug 30, 2025
  If the pump in your Daikin Heat Pump is making noise (cavitation), it could be due to air in the system. Purge the air manually or use the automatic air purge function. Another possible cause is that the water pressure at the pump inlet is too low. Ensure the water pressure is above 1 bar, the water pressure sensor is not broken, the expansion vessel is not broken, the valve of the water circuit towards the expansion vessel is open, and the pre-pressure setting of the expansion vessel is correct.
P
Peter JimenezSep 2, 2025
What to do if Daikin EHBH04DA6V7 is not heating or cooling and water volume is low?
- S
  Scott BarrettSep 2, 2025
  If your Daikin Heat Pump isn't heating or cooling as expected, the water volume in the installation might be too low. Make sure that the water volume in the installation is above the minimum required value.
M
Melissa AllenSep 4, 2025
Why does the pressure relief valve keep opening on my Daikin Heat Pump?
- A
  Amanda JonesSep 4, 2025
  If the pressure relief valve of your Daikin Heat Pump opens, it could be due to several reasons: * The expansion vessel might be broken. Replace it. * The valve of the water circuit towards the expansion vessel might be closed. Open the valve. * The water volume in the installation might be too high. Ensure it is below the maximum allowed value. * The water circuit head might be too high. Check the installation requirements.
C
charles79Sep 6, 2025
What to do if preferential kWh rate signal was sent by the electricity company and Daikin EHBH04DA6V7 compressor does not start?
- K
  Kathleen TuckerSep 6, 2025
  If the compressor in your Daikin Heat Pump isn't starting for space heating or domestic water heating, it could be because the preferential kWh rate signal was sent by the electricity company. Wait for the power to return (2 hours max.).
E
Erin FloresSep 9, 2025
Why is the water pressure unusually high at the tapping point of my Daikin Heat Pump?
- J
  Jeffrey HughesSep 9, 2025
  If the pressure at the tapping point of your Daikin Heat Pump is temporarily unusually high, it could be due to a failing or blocked pressure relief valve. Flush and clean the complete tank, including the piping between the pressure relief valve and the cold water inlet, or replace the pressure relief valve.

Daikin EHBH04DA6V7 Specifications

General

Brand	Daikin
Model	EHBH04DA6V7
Category	Heat Pump
Language	English

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