Komfovent DOMEKT R 400 F Installation And Service Manual

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DOMEKT

EN

Installation and service Manual

Table of Contents

Other manuals for Komfovent DOMEKT R 400 F

User Manual46 pages

Questions and Answers:

J
James SantanaAug 16, 2025
How to fix low supply air flow in my Komfovent DOMEKT R 400 F Fan?
- M
  Mary CainAug 16, 2025
  If you're experiencing low supply air flow with your Komfovent Fan, here are a few things to check: * Make sure your air filters aren't dirty. If they are, replace them. * Check for any obstructions in your air ducts, dampers, or inlet/exhaust openings. * If you're using VAV air flow control, ensure the pressure sensors are properly connected. If VAV isn't needed, switch to CAV or DCV in the settings. * If the above doesn't resolve the issue, the supply air fan may not be working, and you should contact authorised service.
J
Jose ColemanAug 19, 2025
How to troubleshoot low extract air flow in my Komfovent DOMEKT R 400 F?
- T
  Troy SmithAug 19, 2025
  If you're experiencing low extract air flow with your Komfovent Fan, here are a few things to check: * Make sure your air filters aren't dirty. If they are, replace them. * Check for any obstructions in your air ducts, dampers, or inlet/exhaust openings. * If you're using VAV air flow control, ensure the pressure sensors are properly connected. If VAV isn't needed, switch to CAV or DCV in the settings. * If the above doesn't resolve the issue, the extract air fan may not be working, and you should contact authorised service.
A
Amy Bowman DDSAug 25, 2025
Why is the return water temperature low in my Komfovent DOMEKT R 400 F Fan?
- L
  luisrichardsonAug 25, 2025
  If you are experiencing a low return water temperature in your Komfovent Fan, consider the following: * Verify that there is hot water in the water heater system. * Check if the circulation pump is working correctly. * Ensure the water control valve is opening properly. * Confirm that the return water temperature sensor is correctly installed as per the installation manual. If issues persist, contact your installer or authorized service.
W
William SmithAug 27, 2025
How to fix a heat exchanger failure in my Komfovent DOMEKT R 400 F Fan?
- G
  Gregory GonzalesAug 27, 2025
  If you are experiencing a heat exchanger failure in your Komfovent Fan, here are some things to check: * For DOMEKT R devices, check for any obstructions preventing the rotor heat exchanger from rotating and inspect the rotor belt for tears. * For DOMEKT CF units, if the air bypass damper of the counter-flow heat exchanger is malfunctioning, contact authorised service.
J
James WheelerAug 30, 2025
Why is the supply air temperature low in my Komfovent Fan?
- C
  Crystal DickersonAug 30, 2025
  If the supply air temperature from your Komfovent Fan is too low, it could be due to: * Integrated heaters not working: Contact authorised service. * Additional heating/cooling devices faulty or incorrectly installed: Contact the company that installed or sold the equipment. * Faulty air temperature sensor: Contact authorised service.
J
Jeffrey AllenSep 2, 2025
What causes high supply air temperature in Komfovent DOMEKT R 400 F?
- A
  archerwilliamSep 2, 2025
  If the supply air temperature from your Komfovent Fan is too high, it could be due to: * Integrated heaters malfunctioning: Contact authorised service. * Additional heating/cooling devices malfunctioning or incorrectly installed: Contact the company that installed or sold the equipment. * Faulty air temperature sensor: Contact authorised service.
G
Gary ColeSep 4, 2025
Why is the heat exchanger icing up in my Komfovent DOMEKT R 400 F?
- D
  dgallagherSep 4, 2025
  If your Komfovent Fan's heat exchanger is icing up, it could be due to: * Malfunctioning antifreeze protection: Check the antifreeze protection settings and ensure any external pre-heater being used is working correctly. * Antifreeze protection switched off: Verify the antifreeze protection settings. If you're not using an integrated or external pre-heater, you can't use a device with a counter-flow heat exchanger when the outside temperature drops below -4 °C.
T
Timothy CastilloSep 7, 2025
What causes low heat exchanger efficiency in Komfovent Fan?
- D
  Desiree LewisSep 7, 2025
  If a message indicates low heat exchanger efficiency in your Komfovent Fan, here are some potential causes and solutions: * If air is being extracted through an additional branch (only for DOMEKT R devices), and that's not needed, close the fifth branch. Ensure any air closing damper in the auxiliary extraction duct is completely closed. * If the supply air volume significantly exceeds the extract air volume and this difference isn't required, unify the air flow settings. * If the unit door isn't fully closed, leading to mixed air flows, ensure the door is firmly pressed shut and that the gaskets aren't worn.
C
Cynthia TownsendSep 10, 2025
What triggers an internal fire alarm in my Komfovent Fan?
- J
  Julia LeonSep 10, 2025
  If your Komfovent Fan is showing an internal fire alarm, it may be triggered because: * The internal air temperature is above 50°C: Locate the heat source in the ductwork or unit. * Faulty temperature sensor: Contact authorised service.
M
Mary MillerSep 13, 2025
What to do, if my Komfovent Fan indicates clogged air filters?
- B
  Brian CastilloSep 13, 2025
  If your Komfovent Fan indicates clogged air filters, switch off the device and replace the air filters. After replacement, delete the message.

Komfovent DOMEKT R 400 F Specifications

General

Airflow	400 m³/h
Dimensions	950 x 650 x 350 mm
Heat exchanger type	Counterflow
Power supply	230 V
Noise level (max)	45 dB(A)
Filter class	G4
Noise level	35 dB(A)

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