DIY Filter Change Guide
Step 3:
Unscrew the two screws to the
filter door. (Be careful not to lose screws).
Step 4:
Open the filter door and turn the ‘P’
clips (securing the filter) to the side so that you
can slide the filter out.
Step 5:
Remove the old filter.
Step 6:
Insert the new filter ensuring that the
airflow arrow is in the correct
direction. The airflow comes from the fan,
through the filter.
Step 7:
Secure the ‘P’ clips around the new
filter by rotating them back to their original
position. Close the filter door securely using
the original screws.
Step 8:
Reconnect power supply (plug-in) to fan
unit(s).
Step 9:
Now go to the Ventis control panel,
switch your Ventis on by pressing the power button.
Ensure that you dispose of the old filter directly
into the rubbish. PTO for Part Two.
What you will need
1 x Ventis Filter per fan unit
1 x Phillips Head Screwdriver
1 x Torch
Changing your Ventis Mk II filter is a two part process.
1. Changing the fan unit filter in the roof.
2. Resetting the controller (p2).
Warning: Adequate precautions must be taken to enter the roof-space safely, taking into
consideration falls from heights, insulation, wiring and heat.
Part One: Changing the fan unit filter in the roof.
Step 1:
Switch the power off on your controller by repeatedly pressing the power button to scroll
through the modes “Auto”, “Flush” until you see “Off”.
Step 2:
Disconnect (unplug) the power supply to all fan units with a filter.
