User Manual | INOVA-E7


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  1. Important Safety Instructions
  2. Introducing your INOVA system
  3. How your INOVA system works
  4. Positioning your INOVA system
  5. System operation
  6. Accessing the filters
  7. Recommended filter replacement intervals
  8. When to replace the filters.

1. Important safety instructions

To reduce the risk of fire, electric shock, or injury

  1. Do not detach motor-outlet module until the system has been switched off.
  2. Disconnect power, or unplug, before cleaning, performing any maintenance or replacing a filter.
  3. Use caution when moving the air purifier to avoid injury. We advise removing the filters prior to lifting or transporting the system.
  4. Do not operate unless all components are fully assembled, securely latched and in the upright position. Failure to do so may result in serious injury.
  5. Leave a distance of at least 150mm between the appliance and the nearest wall to allow for adequate air circulation.
  6. Always keep air intake and outlet of the unit unobstructed.
  7. Do not use near water or moisture or the immediate surroundings of a bath, shower, or swimming pool.
  8. Do not immerse the air purifier in water or any other liquid.
  9. Do not let objects, or liquid, enter the product.
  10. Do not handle any part of the appliance or plug with wet hands.
  11. Clean only with a dry cloth.
  12. Do not install near any heat sources.
  13. Do not operate this appliance if it has a damaged cord or plug, is not working correctly, or has been dropped.
  14. Do not use this appliance if it has been damaged or submerged in water.
  15. The appliance is not to be used by persons (including children) with reduced physical, sensory, or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction.
  16. If the supply cord is damaged, it must be replaced with a new cord. Contact our support team for a replacement.
  17. Keep power cord away from heated surfaces.
  18. Refer all servicing to qualified INOVA service personal. Servicing is required when the product has been damaged in any way. Do not attempt to service this product yourself. Opening or removing covers may expose you to dangerous voltages or other hazards and may void warranty.
  19. Unplug the air purifier during lightning storms or when unused for long periods.
  20. Do not use this appliance as sole protection against harmful pollutants.
  21. Do not use outdoors.
  22. Keep the appliance away from flammable liquids, vapours, air fresheners and essential oils.
  23. Do not use in explosive or flammable environments.
  24. Use only on solid, horizontal, and stable surfaces.

2. Introducing your INOVA system

Inside the E7 box, you will find the INOVA unit consisting of:

  1. INOVA-E7 System Case/Motor
  2. Filter Base Plate (detachable)
  3. Power Cable (located in base of box)
  4. E7 Pre-filter (pre-installed)
  5. E7 HEPA Filter (pre-installed)
  6. E7 Activated Carbon Blanket (pre-installed)

3. How your INOVA system works

  1. Air is drawn into the system through the sides of the unit.
  2. Air passes through the dust pre-filter.
  3. Air passes through the H13 HEPA filter which removes dust, allergens and sub-micron fine particle matter.
  4. Chemicals and odours are removed from the air in the final stage by the Activated Carbon filter.
  5. The purified air is then returned to the room via the high air-flow diffuser.

4. Positioning your INOVA system

There are two main points to consider: where you spend your time and where the main pollutants are.

The longer you keep your INOVA-E7 in a single room, the cleaner the air in that room will be. As with a heater or air conditioner, the INOVA air purifier will only be effective if windows are closed during operation.

Your INOVA works best when it has plenty of unrestricted airflow around it.

It is also important to make sure the air purifier has easy access to a power outlet as long cords can be a tripping hazard and may result in damage to the unit should it be knocked over.

5. System operation

The system has 3 speed settings and uses an energy efficient European AC fan. Power consumption is relative to the selected speed.

Control Position Speed Level
1 Low
2 Medium
3 High


The higher the speed, the more times per hour the air in your living space will be cleaned, so it is recommended to run the system at the highest speed you are comfortable with. 

Higher fan speeds will generate higher sound levels. Generally, for sleeping, an ideal setting is position 1.

6. Accessing the filters

  1. Disconnect the power cord.
  2. Ensure system is sitting on a flat and even surface.
  3. Pull top of the latches away from the main unit.
  4. Push the latches back towards the main unit
  5. Ensure the latch clasps are clear of catches on the base
  6. Lift casing clear of base to access filters

7. Recommended filter replacement intervals

  • Pre-Filter (Wrap-around)  |  3-6 months
  • H13 HEPA Filter  |  3-5 years
  • Inner Activated Carbon Wrap  |  6-12 Months

* Based on 60% daily usage in environments with average particulate/chemical levels. Operating conditions will vary based on levels of dust, chemicals & odours present, and system proximity to major pollution sources each of which may lower any of the filter lifespans. INOVA does not warranty consumable filter life.

8. When to replace the filters

Stage 1: Pre-filter

The pre-filter is the initial stage of filtration, filtering large dust particles right down to ultra fine sub-micron particles. It is made from a patented material used in respirators and face masks. On average the pre-filter is designed to last up to 6 months of continuous use. Dust levels in the ambient air will affect how long the pre-filter will last. Pre-filters are white in colour and will turn grey fairly quickly within 1-2 weeks of use, this is nothing to be concerned about and simply means the filter is doing its job. We recommend checking the dust buildup on the pre-filter every 3 months of use. When the dust layer is approximately 2 mm thick the pre-filter should be replaced.

Stage 2: Medical-grade HEPA filter

The H13 HEPA filter is designed to last 3 to 5 years under normal use. As with other filters, the environment in which it is used will determine the filter life. The outside of the HEPA filter will change colour and turn dark grey when it needs changing. Generally for the first two years of use the filter will remain white and then gradually get darker in the final months of its life. Please note, the inside of the HEPA filter will always remain white so it is important to check the outside of the filter which is visible when the Pre-filter is being changed.

Stage 3: Final stage activated carbon filter

The E7 impregnated carbon blanket filter is designed for light duty use and will last approx. 6-12 months. Activated carbon filters work like sponges by adsorbing chemicals, gases and odours from the air.

Carbon filters should be changed when they are saturated, this means the filter has entirely filled up with what it has filtered from the air during use. You can tell when a carbon filter needs changing because the air coming out of the air purifier will either be tainted with an odour of what it has adsorbed during use, or the air will simply stop smelling clean or smell stale.

When changing pre-filters

It is best to remove the HEPA filter with the pre-filter intact and take outside so no dust is released into the environment when changing. If not practical to do so, you can simply place a large garbage bag over the entire HEPA filter/pre-filter and remove the pre-filter inside the bag.

If you suffer from dust allergies, we recommend moving the system outside before removing the pre-filter to avoid the possibility of dust being released in your environment. Alternatively wear a dust mask if performing this operation inside.

Important: Do not attempt to vacuum the HEPA or Pre-filter as this will damage the fine filter fibres and reduce efficiency. Air intake vents on the sides of the system can be vacuumed including the base plate which sits under the filters.