What to do if my SystemAir SAVE VTC 300 Fan is making noise or vibrations?
If your SystemAir Fan is producing excessive noise or vibrations, try these steps: * Clean the fan impellers. * Ensure all screws holding the fans are properly tightened. * Verify that the anti-vibration lists are fitted to the mounting bracket and the back of the unit. * If your unit has a rotating heat exchanger, check that the rotor belt isn't slipping.
Why is my SystemAir SAVE VTC 300 blowing low supply air temperature?
If your SystemAir Fan is blowing low supply air, consider the following checks: * Inspect the display for any active alarms. * Check if the Defrosting function is running in the HMI screen. * Verify the set supply air temperature in the HMI. * Ensure ECO mode is not activated, as it prevents the heater from activating. * Check if user modes like HOLIDAY, AWAY, or CROWDED are activated in the HMI or via a hardwired switch. * Verify the temperature sensors are functioning correctly via the analogue inputs in the service menu. * Check if the overheat protection thermostat is active. * See if the extract filter needs changing. * Confirm if the unit has a re-heater battery connected.
How to fix a SystemAir Fan that does not start?
If your SystemAir Fan isn't starting, try the following: * Check the HMI for any alarms. * Ensure all fuses and fast couplings are properly connected, including the main power supply and those for supply and extract air fans. * Confirm that the week schedule is ON and running in AUTO mode. * Also, check that the week schedule is not in OFF mode with the airflow set to OFF.
How to fix a 'Filter' message on a SystemAir SAVE VTC 300?
The 'Filter' message on your SystemAir Fan indicates it's time to replace the filter. Please change the filter following the instructions in chapter 5.2 and chapter 5.2.1.
How to reduce noise and vibrations in SystemAir Heating System?
To address noise and vibrations in your SystemAir Heating System, try the following: - Clean the fan impellers. - Make sure the screws holding the fans are tightened. - Verify that the anti-vibration lists are fitted to the mounting bracket and the back of the unit. - If your unit has a rotating heat exchanger, check that the rotor belt is not slipping.
How to troubleshoot if the fans do not start in SystemAir Heating System?
If the fans in your SystemAir Heating System aren't starting, here are some things to check: - Check the HMI for any alarms. - Ensure all fuses and fast couplings are connected, including the main power supply and fast couplings for supply and extract air fans. - Make sure the week schedule is ON and running in AUTO mode. - Verify that the week schedule is not in OFF mode with the airflow set to OFF.
What to do if the SystemAir Heating System has reduced airflow?
If you notice reduced airflow in your SystemAir Heating System, there are several things you can check: - First, check the HMI for any alarms. - The unit might be in defrost mode. - If the outdoor temperature is below 0°C, the outdoor airflow compensation function might be active. - Ensure that a temporary user mode that reduces airflow, like AWAY or HOLIDAY, isn't activated. - Review the airflow settings in the HMI. - Check the week schedule settings. - Inspect the filters to see if they need changing. - Check and clean the diffusers/louvres. - Check and clean the fans and heat exchange block. - Make sure the building's air intake and exhaust are not clogged. - Look for damage or buildup of dust/pollution in visible duct runs. - Ensure the diffuser/louvre openings are not obstructed.
What to do if the SystemAir SAVE VTC 300 unit cannot be controlled?
If the control functions of your SystemAir Fan are stuck, try these solutions: * Reset the control functions by unplugging the unit for 10 seconds. * Check the modular contact connection between the control panel and the main print card.
How to fix noise/vibrations in SystemAir SAVE VTC 300 Fan?
To address noise or vibrations in your SystemAir Fan, consider these steps: * Clean the fan impellers. * Ensure that all screws holding the fans are tightened properly. * Check that the anti-vibration lists are correctly fitted to the mounting bracket and the back of the unit.
What to do if my SystemAir Fan has low supply air temperature?
If your SystemAir Fan is producing low supply air temperature, you can try the following: * Check the display for alarms. * Verify the set supply air temperature in the control panel. * Inspect the analogue inputs in the service menu to confirm the temperature sensors are functioning correctly. * Check if the overheat protection thermostat is still active. * Ensure that digital input 4 (DI 4) is not set to off. * Check if the extract filter needs replacement. * Verify if the unit has a re-heater battery connected.
Covers danger, warnings, and important operational safety notes for the unit.
Essential safety guidelines to follow before performing any maintenance.
Step-by-step instructions for changing supply and extract air filters.
Comprehensive list of alarms, their explanations, and recommended actions.
To Next Page
General