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Vaillant recoVAIR VAR 360/4 - User Manual

Vaillant recoVAIR VAR 360/4
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Operating instructions
recoVAIR
VAR 260/4 (E), VAR 360/4 (E)
AT, CH (de), DE
Publisher/manufacturer
Vaillant GmbH
Berghauser Str. 40 D-42859 Remscheid
Tel. +49 21 91 18‑0 Fax +49 21 91 18‑2810
info@vaillant.de www.vaillant.de

Table of Contents

Other manuals for Vaillant recoVAIR VAR 360/4

Preview: Installation And Maintenance Instructions
Installation And Maintenance Instructions28 pages

Questions and Answers

  • K
    Kyle JohnsonNov 26, 2025
    What to do if there is no or insufficient exhaust air or supply air in my Vaillant recoVAIR VAR 360/4 Boiler?
    • K
      kimberly51Nov 26, 2025
      If you're experiencing no or insufficient exhaust or supply air, several factors could be the cause. First, check if the filters are dirty and clean them if necessary. Ensure that neither the exhaust-air nor the supply-air lines are blocked, and clean them if they are. Verify the fan's functionality and replace it if defective. Make sure the airflow isn't too low, and if it is, install an intake grille with increased airflow. Also, check that the supply-air and exhaust-air valves aren't closed too far; open them and adjust the system accordingly. If the supply-air temperature is too low, wait until it increases; normal operation should resume when the supply air temperature is above 10°C. If the outside temperature is too low, check whether S.812 is displayed in the Live Monitor and wait u...
  • A
    Ashley ChoiAug 23, 2025
    Why does my Vaillant Boiler have an increased noise level?
    • C
      Casey RussellAug 25, 2025
      An increased noise level in your Vaillant Boiler could stem from a few issues. One potential cause is missing or incorrect silencers in the supply-air or exhaust-air pipes; in this case, install silencers according to the system planning. Another possibility is that system components like the heat exchanger or fan are defective, so replace any defective components. Alternatively, dirty system components such as the heat exchanger or fan could be the cause, in which case you should clean them.
  • M
    Michael GomezAug 25, 2025
    Why is the supply air from my Vaillant recoVAIR VAR 360/4 too cold?
    • K
      Kyle GonzalezAug 26, 2025
      If the supply air is too cold, it could be due to several reasons. First, the supply-air and exhaust-air flows might not be balanced, so you should adjust the product. Also, check the flap position, and replace the bypass motor if it is defective. Another potential cause is dirty system components, such as the heat exchanger or fan, so clean them. Finally, frost protection might be active; in this case, check whether S.815 is displayed in the Live Monitor and wait until the outside temperature increases above ?3°C. The product should automatically switch on no later than 60 minutes after the temperature increases.
  • K
    Kaitlyn TranAug 27, 2025
    Why is water dripping out of my Vaillant Boiler?
    • A
      Amy AlexanderAug 27, 2025
      If water is dripping out of your Vaillant Boiler, it could be because the exhaust-air lines or supply-air lines aren't insulated to ensure that they are vapour-diffusion-tight. To fix this, insulate both the exhaust-air and supply-air lines, making sure the insulation is vapour-diffusion-tight.
  • E
    Elijah DuncanAug 29, 2025
    How to fix bypass summer mode not working on Vaillant Boiler?
    • A
      Angel SmithAug 29, 2025
      If the bypass summer mode isn't working, there are several things you can check. First, make sure the bypass function is active and that you've set the planned operating days for summer mode. Inspect the plug connection to the bypass motor and check the temperature sensor. If the bypass motor is defective, replace it. Also, verify the flap position and the positioning of the temperature sensor.
  • J
    Justin StevensSep 18, 2025
    What to do if there is a failure of the supply-air differential pressure sensor in my Vaillant recoVAIR VAR 360/4?
    • S
      sara06Sep 18, 2025
      If there is a failure of the supply-air differential pressure sensor, it could be because the supply-air differential pressure sensor does not work or is defective. Check that the supply-air differential pressure sensor works correctly.
  • B
    Bradley PhillipsSep 15, 2025
    What to do if there is a failure of the outside air temperature sensor on my Vaillant Boiler?
    • D
      davidcurtisSep 15, 2025
      If there is a failure of the outside air temperature sensor, it could be because the outside temperature sensor does not work or is defective. Check that the outside temperature sensor works correctly.
  • C
    Chris WilsonSep 18, 2025
    What to do if there is a failure of the exhaust air humidity sensor on my Vaillant recoVAIR VAR 360/4?
    • S
      Suzanne GarciaSep 18, 2025
      If there is a failure of the exhaust air humidity sensor, it could be because the exhaust-air humidity sensor does not work or is defective. Check that the exhaust-air humidity sensor works correctly.
  • T
    Timothy NguyenSep 7, 2025
    What to do if there is a failure of the frost protection element in my Vaillant recoVAIR VAR 360/4?
    • S
      Shannon ParrishSep 7, 2025
      If there is a failure of the frost protection element, it could be that the frost protection element is defective. Replace the frost protection element.
  • S
    Scott JenningsSep 5, 2025
    How to stop noise transmission between the rooms from my Vaillant recoVAIR VAR 360/4?
    • E
      Eric HawkinsSep 5, 2025
      If you're experiencing noise transmission between rooms, it could be due to the absence of a T supersonic damper. To address this, install T supersonic dampers and then adjust the product.

Summary

Safety

Action-related Warnings

Intended Use

General Safety Information

Product Description

Role and Function

Operation

Operating Concept and Basic Display

Covers navigation, control elements, and the main status screen.

Operator Level Functions

Switching the Product On;Off

Instructions for powering the unit on and off using the mains connection.

Setting the Ventilation

Procedures for adjusting ventilation levels via different control methods.

Setting the Desired Temperature

How to adjust the temperature setting for the room.

Troubleshooting

Detecting and Rectifying Faults

Guides on identifying and resolving product faults and error messages.

Maintenance and Care

Carrying Out Maintenance Work

Provides instructions and safety guidelines for performing maintenance tasks.

Maintaining the Filters

Details the process of cleaning, checking, and replacing air filters.

Decommissioning

Permanently Decommissioning the Product

Guarantee and Customer Service

Guarantee

Customer Service

Appendix

Operator Level Overview

Ventilation Levels Overview

Status Messages Overview

Maintenance Messages Overview

Lists maintenance-related messages and their corresponding work and intervals.

Limp Home Mode Messages Overview

Troubleshooting and Fault Elimination

Troubleshooting

Provides a guide to identifying symptoms and their possible causes.

Remedy

Offers solutions and corrective actions for specific fault messages.

Vaillant recoVAIR VAR 360/4 Specifications

General IconGeneral
AirflowUp to 360 m³/h
ModelrecoVAIR VAR 360/4
FilterG4 and F7 filters
InstallationWall-mounted
Frost protectionAutomatic
Product TypeCentral Ventilation Unit

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