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| Proudly made in the U.S.A. | MN900-500
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Note: The SecureAire Air Purifier may be wired to be on continuously, even without the system
fan being on, as there are no harmful byproducts, such as ozone, produced by this device.
Step Ten: System Operation Check
A. Turn on the SecureAire Air Purifier with the ON/OFF switch. The switch illuminates a green light
indicating that the power supply is on. An audible clicking noise (4 times loud followed by 4 times soft)
indicates that the system’s self-test procedure has confirmed proper operation and the high voltage
power supply is working correctly.
Under normal operation, the SecureAire Air Purifier may create a slight hissing sound indicating that
the high voltage grids are activated.
Note: Unlike other electronic air filtration or air cleaning
products, this “hissing sound” does not indicate that ozone or any other potentially unsafe
byproduct is being created. The SecureAire Air Purifier creates no harmful byproducts.
B. Turn off the SecureAire Air Purifier and the ON/OFF switch light turns off, indicating the entire
SecureAire power supply is powered off. The SecureAire Air Purifier is now safe to access. Open the
front door and insert the filter (and pre-filter, if included), close and latch the door and press the ON/
OFF switch to the ON position. The self-test procedure will start again and confirm the power supply
is working correctly.
Built-in User Safety —
Opening the front door before turning off the SecureAire Air Purifier will disable
the high voltage circuit and de-energize the entire device.
Congratulations! The SecureAire Air Purifier installation is complete.
Installing the SecureAire Air Purifier: Upflow Furnace Example
