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button  and the unit will  start  on the   Strong  fan speed.   Any  time  the unit is rest arted,  it will 
remember its last working status. 

 

 

Night Mode

 – By pressing the Power button for  3 seconds you can turn  off the light around the 

power button.    This will not turn off the icons on the display.

 

3.2.2 Fan Speed 

The fan speed cycles in the following order:   

Strong ---Turbo --- Silent --- Middle   

The lighted indicator around the power button indicates the fan speed with different colors.    Silent 
is green, Middle is blue, Strong is orange and Turbo is red.   

3.2.3 Refresh 

Press this button and the ionizer starts generating anions (negative ions). Press this button again 
to turn off.    The refresh icon will be illuminated when the anion feature is activated. 

3.2.4 Countdown Timer 

Press the Timer button to set the number of hours the air purifier will run before turning off.    With 
each press of this button, the time will increase 1 hour and max at 12 hours.    Pressing again after 
12 hours will turn off the timer. 
 

4. Maintenance   

4.1 Cover and Housing 

4.1.1

  Power off the unit and unplug before any maintenance.   

4.1.2

 Clean the unit only when necessary. If the unit is  used in a dirty en vironment it may ne ed 

cleaning more frequently. 

4.1.3

 Wipe any dust away with a soft cloth (can be dry or damp). 

4.1.4

 Do not use any cleaners or chemicals on the air purifier. 

 

4.2 Sensors   

4.2.1

 Clean out the dust blocking the sensors’ air inlet 

4.2.2

 If the sensor is giving a false  reading, vacuum around the sensor to  remove any dust have 

may have accumulated there. 
 

4.3 Filters 

The filters should be cleaned or replaced regularly. 
 
Prefilter: It’s recommended to clean with a damp cloth or lightly vacuum every 3 months and replace
after 1 year. 
 
HEPA filter and Carbon filter: When the purifier has run for 3,000 hours, the maintenance indicator 
illuminates to remind the user to  check the HEPA and carbon filters.  The HEPA filter has a  color 
shade on the frame

 

to see whether it is necessary to repl ace. Please replace it when the color is 

dark. After maintenance, press “Fan Speed” and “Anion” buttons simultaneously for 3 seconds to 
reset the filter replacement indicator. 

4.3.1 Disassembly 

1. Front cover: Press in on the fro nt cover at t he top two corners to unlatch the interlo ck switch. 

Then pull the whole cover upwards to take it off. 

  6

Summary of Contents for OVHM80

Page 1: ...OVHM80 Air Purifier...

Page 2: ...Index Important Safeguards 2 Air purifier Description 3 Function Description 4 How to use 5 Maintenance 6 Troubleshooting 7 1...

Page 3: ...er the plug in any way Always turn off the air purifier before unplugging the air purifier from outlet Do not place the cord near a heated surface Never operate the air purifier if the pl ug or cord i...

Page 4: ...ction buttons M LED Display N Air Quality sensor 1 2 Technical data 120V 60Hz 90W 0 8A 1 3 Purifying Process and Main Features 1 3 1 Pre Filter Captures larger sized particles like dust Can be cleaned...

Page 5: ...nt of the air purifier it can be placed near a wall 2 Function Description 2 1 Standby In standby mode the standby indicator illuminates in red to show the air purifier has been plugged in and has pow...

Page 6: ...cator illuminates to remind the user to check the pre filter and activated carbon filter The HEPA filter has a color shade on the frame to see whether it is time to be replaced After maintenance press...

Page 7: ...nd unplug before any maintenance 4 1 2 Clean the unit only when necessary If the unit is used in a dirty en vironment it may ne ed cleaning more frequently 4 1 3 Wipe any dust away with a soft cloth c...

Page 8: ...cover Secure the interlock at the bottom first and push the whole cover inwards at the top two corners to secure it 1 2 3 4 5 Troubleshooting Problems Cause Solution Air Quality indicato r constantly...

Page 9: ...Oransi LLC 13492 Research lvd B Ste 120 507 Austin TX 78750 www oransi com 8...

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