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SystemAir VX-400 E - User Manual

SystemAir VX-400 E
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204620 21-10-2014
VX-400/700 E
Bruks- og vedlikeholdsanvisning
Drift - och skötselanvisningar
Bedienungs- und Wartungsanleitung
User and maintenance instructions

Table of Contents

Questions and Answers

  • A
    Austin PetersonAug 11, 2025
    How to fix reduced airflow in SystemAir VX-400 E Fan?
    • R
      Rebecca ReyesAug 11, 2025
      If you notice reduced airflow in your SystemAir Fan, there are several things you can check. Start by checking the airflow setting on the control panel. Also, see if the filter needs changing or cleaning. Check if the diffusers or louvers require cleaning. Furthermore, inspect the fans and exchanger block for any need of cleaning. Ensure the roof unit or air intake isn't clogged. Inspect visible duct runs for damage or buildup of dust or pollution. Finally, check the diffuser and louver openings.
  • R
    Robin RossAug 17, 2025
    Why is the supply air from my SystemAir VX-400 E Fan cold?
    • D
      dklineAug 18, 2025
      If the supply air from your SystemAir Fan is too cold, check the set supply air temperature on the control panel. Also, check if the fire thermostat(s) is(are) still alert and reset it if necessary by pressing the red button "H" in the unit. Another cause could be that the extract filter needs cleaning. If there is ice in the exchanger block, stop the unit and let the ice melt. Contact your service representative if this happens repeatedly. Finally, check if a summerblock is installed in the unit.
  • M
    mckeeamberAug 23, 2025
    How to reduce noise and vibrations in SystemAir VX-400 E Fan?
    • K
      Krista MccarthyAug 23, 2025
      If your SystemAir Fan is experiencing noise or vibrations, try cleaning the fan impellers. Also, pull the fans out and check that the screws holding them are tightened. Ensure that the unit is free-standing and that anti-vibration pads are installed underneath it.
  • K
    Kenneth DavisAug 29, 2025
    What to do if SystemAir Fan is leaking water?
    • D
      ddavisAug 29, 2025
      If you find water leakage from your SystemAir Fan, first check that the drain pipe is open. Also, check the grade towards the drain, water lock, and ensure that the condensate pipe is installed frost proof.
  • K
    Kelly SmithSep 5, 2025
    How to troubleshoot a SystemAir VX-400 E that does not start?
    • D
      davidhodgesSep 5, 2025
      If the SystemAir Fan does not start, check that all fuses and plugs are connected, including the mains supply and fan plugs.

SystemAir VX-400 E Specifications

General IconGeneral
BrandSystemAir
ModelVX-400 E
CategoryFan
LanguageEnglish

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