Komfovent DOMEKT series - User Manual

Komfovent DOMEKT series

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DOMEKT

Series Air Handling Units with C4 PLUS Controller

Electrical Installation and Operation Manual

EN

Other manuals for Komfovent DOMEKT series

User Manual46 pages

Installation And Service Manual32 pages

Installation Manual32 pages

Questions and Answers

M
Michael JohnsonAug 17, 2025
How to fix low supply air flow in my Komfovent Fan?
- C
  Chad GallegosAug 17, 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.
D
David DelgadoAug 19, 2025
How to troubleshoot low extract air flow in my Komfovent Fan?
- A
  Adam HarmonAug 20, 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.
S
Sherry LaneAug 25, 2025
Why is the return water temperature low in my Komfovent Fan?
- E
  Eric ByrdAug 26, 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.
A
Ashley RobersonAug 28, 2025
How to fix a heat exchanger failure in my Komfovent Fan?
- K
  kingadamAug 28, 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.
M
Morgan MarshallAug 30, 2025
Why is the supply air temperature low in my Komfovent Fan?
- S
  Stephanie SmithAug 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.
T
Taylor HancockSep 2, 2025
What causes high supply air temperature in Komfovent Fan?
- C
  christie75Sep 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.
C
Cynthia MckaySep 4, 2025
Why is the heat exchanger icing up in my Komfovent Fan?
- A
  Ann BeckerSep 5, 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.
E
emily56Sep 8, 2025
What causes low heat exchanger efficiency in Komfovent Fan?
- D
  david13Sep 8, 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.
J
Jason ElliottSep 10, 2025
What triggers an internal fire alarm in my Komfovent Fan?
- R
  Ruth HutchinsonSep 12, 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.
N
nguyenjorgeSep 13, 2025
What to do, if my Komfovent Fan indicates clogged air filters?
- D
  Debra OsborneSep 13, 2025
  If your Komfovent Fan indicates clogged air filters, switch off the device and replace the air filters. After replacement, delete the message.

Summary

INSTALLATION MANUAL

1.1. Electric Power Supply Connection

Details on connecting the air handling unit to the electrical power supply.

1.2. Control Panel Installation

Instructions for installing the control panel, including environmental conditions.

OPERATION MANUAL

2.1. Unit Control

Overview of the unit's control system and components.

2.2. Switching on the Unit

Step-by-step guide to powering on the air handling unit.

2.3. Control Panel Indication

Explanation of control panel display elements and LED signals.

2.5. Unit Programmable Settings

4. Setting temperature value

8. Weekly schedule setting

2.7. Configuration of automation functions

2.8. Troubleshooting

Guidance on identifying and resolving unit operational issues.

2.8 Table

Unit Functional Diagram

DOMEKT REGO 200 VE;250 PE Wiring Diagram

DOMEKT REGO 200 VE;250 PE Wiring Diagram (Rotor with step motor)

DOMEKT REGO 200 VW;250 PW Wiring Diagram

DOMEKT REGO 200 VW;250 PW Wiring Diagram (Rotor with step motor)

DOMEKT REGO 200 VE;250 PE-EC Wiring Diagram

DOMEKT REGO 200 VE;250 PE-EC Wiring Diagram (Rotor with step motor)

DOMEKT REGO 200 VW;250 PW-EC Wiring Diagram

DOMEKT REGO 200 VW;250 PW-EC Wiring Diagram (Rotor with step motor)

DOMEKT REGO 400 VE Wiring Diagram

DOMEKT REGO 400 VE Wiring Diagram (Rotor with step motor)

DOMEKT REGO 400 VE-EC Wiring Diagram

DOMEKT REGO 400 VE-EC Wiring Diagram (Rotor with step motor)

DOMEKT REGO 400 VW Wiring Diagram

DOMEKT REGO 400 VW Wiring Diagram (Rotor with step motor)

DOMEKT REGO 400 VW-EC Wiring Diagram

DOMEKT REGO 400 VW-EC Wiring Diagram (Rotor with step motor)

DOMEKT REGO 400 PE Wiring Diagram

DOMEKT REGO 400 PW Wiring Diagram (Rotor with step motor)

DOMEKT REGO 400 PE-EC Wiring Diagram

DOMEKT REGO 400 PW-EC Wiring Diagram (Rotor with step motor)

DOMEKT REGO 600 HE-EC Wiring Diagram

DOMEKT REGO 600 HE-EC Wiring Diagram (Rotor with step motor)

DOMEKT RECU 350 VE Wiring Diagram

DOMEKT RECU 350 VW Wiring Diagram

DOMEKT RECU 300 VE;450 VE;500 PECF-EC Wiring Diagram

DOMEKT RECU 300 VW;450 VW;500 PWCF-EC Wiring Diagram

DOMEKT RECU 400 VECF-EC Wiring Diagram

DOMEKT RECU 400 VWCF-EC Wiring Diagram

Komfovent DOMEKT series Specifications

General

Energy Class	A+
Brand	Komfovent
Series	DOMEKT
Filter Class	F7
Category	Air Handlers
Heat Exchanger Type	Plate heat exchanger
Mounting	Wall or ceiling
Power Supply	230V
Dimensions (HxWxD)	Varies depending on model
Weight	Varies depending on model

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