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Read “Safety Precautions”      

(P.E-8 - E-12)

to ensure correct use.

EP-PF120J
EP-PF90J

Model

Hitachi Air Purifier

Instruction Manual

Thank you for purchasing a Hitachi air purifier.

This air purifier is for household use only.

Do not use it for any other purpose besides purifying air.

Please read this instruction manual carefully before 

using this product to ensure the unit is operated 

correctly.

For future reference, keep this manual in an easily 

accessible place.

EP-PF120J_EN.indd   1

EP-PF120J_EN.indd   1

2/11/2019   3:36:11 PM

2/11/2019   3:36:11 PM

Summary of Contents for EP-PF120J

Page 1: ...ier This air purifier is for household use only Do not use it for any other purpose besides purifying air Please read this instruction manual carefully before using this product to ensure the unit is operated correctly For future reference keep this manual in an easily accessible place EP PF120J_EN indd 1 EP PF120J_EN indd 1 2 11 2019 3 36 11 PM 2 11 2019 3 36 11 PM ...

Page 2: ...E 2 EP PF120J_EN indd 2 EP PF120J_EN indd 2 2 11 2019 3 36 19 PM 2 11 2019 3 36 19 PM ...

Page 3: ...iods of each filter If a filter indicator blinks Resetting a filter indicator Memory Function Monitor Sensors Auto Detection Memory Function Clean Monitor Odor Sensor Dust Sensor Auto Detection Light Sensor Adjusting Sensory Sensitivity Setting E 17 E 17 E 17 E 19 E 19 E 21 Cleaning Pre filter Dust Filter Deodorizing Filter Purifier Dust Sensor Replacing the Dust Filter Deodorizing Filter Replacem...

Page 4: ... cause unexpected injury when the unit is damaged and overturned or dropped Air outlet stainless steel net Front panel Air inlet Power button Purifier Flap Caster To prevent fall over movement is only in sideways direction Located at the base of the unit Clean monitor P E 24 EP PF120J_EN indd 4 EP PF120J_EN indd 4 2 11 2019 3 36 19 PM 2 11 2019 3 36 19 PM ...

Page 5: ...e filters to the unit make sure that your hands clothes and the surroundings will not get dirty Wipe of any granules that may have fallen or clung to the filters This will not affect the deodorizing performance Senses the presence of PM2 5 cigarette smoke dust pollen and other similar air contaminants Dust Sensor P E 24 Front panel Odor Sensor P E 24 Senses the odor components in the air Set in th...

Page 6: ...iances near by the unit If a button does not respond touch it again and release your finger If the interval between touches is short the unit may respond incorrectly The sensitivity will not change by the force applied when touching There may be no response if the operation panel is wet or dirty Wipe off with a dry cloth to use The operation panel display may be difficult to view if the unit is pl...

Page 7: ...ecting modes Filter Life Reset Switch the display of estimated cleaning and replacement periods of each filter P E 22 Reset the cleaning and replacement periods of filters Hold for about 3 seconds P E 23 Menu P E 18 Touch this button first when the operation panel display is off When touched again it turns off the operation panel display EP PF120J_EN indd 7 EP PF120J_EN indd 7 2 11 2019 3 36 20 PM...

Page 8: ... may cause an electric shock or short circuit which may result in a fire Securely insert the power plug into the AC outlet Otherwise it may cause an electric shock overheating or fire Do not stop operation by unplugging the power plug Otherwise it may cause fire electric shock or malfunction Never plug or unplug the power plug with wet hands Otherwise it may cause an electric shock Do not use a da...

Page 9: ...ating smoking type insecticide Do not let chemicals enter the unit Use of such insecticides will cause chemicals to accumulate in the unit and depending on a person s sensitivity to these chemicals it may be harmful to one s health Do not place in a location where the air from the outlets will blow directly onto heat ing appliances Otherwise it may cause incomplete combustion and carbon monoxide p...

Page 10: ... places exposed to direct sunlight wind and rain It may cause overheating electric shock and fire due to ground leakage Do not use in a location where a machine tool that produces flammable dust or sparks such as a grinder or welder is installed It may cause fire Miscellaneous Even after switching on sometimes the air purifier is inoperative or air does not come out There may be cracks and scratch...

Page 11: ...he power cord from the AC outlet When moving the unit without unplugging the power plug and power cord may be damaged Do not touch hold or lift the moving flap It may cause an injury and unit failure When carrying the air purifier hold the handle Do not pull the power cord when moving the unit It may damage the power cord Place of Use Do not use the air purifier near a wall that cannot be scrubbed...

Page 12: ...d physical sensory or mental capabilities or lack of experience and knowledge un less they have been given supervision or instruction concerning use of appliance by a person responsible for their safety Cleaning Perform front panel removal and installation carefully It may cause injuries such as pinching your fingers When cleaning lay a soft cloth on the floor and place the unit and detached parts...

Page 13: ...se pull and discon nect the power cord and cause unit failure Do not use in locations near cooking appliances It may cause deformation and dis coloration due to heat or oily smoke unit damage or fire Place the purifier and the cooking appli ance at least 1m apart from each other Ventilate closed rooms occasionally The purifier does not have a ventilation effect remov al of carbon monoxide and othe...

Page 14: ... arrow When the front panel is fully open gently lift it in the direction of the arrow The pre filter also detaches when the front panel is removed Plastic packaging Install the deodorizing filter to the unit CAUTION Do not put excessive force and deform the filter CAUTION Do not forcefully pull the front panel The unit will fall over and cause injury Set the filter on the deodorizing filter setti...

Page 15: ...nel Panel support Gently pull the upper part of the front panel and check that it does not rattle Set the filter on the dust filter setting position Set the dust filter so that you can see the label FRONT SIDE Dust filter Dust filter set position FRONT SIDE Push in the left and right panel arms into the unit Panel arm Front panel Preparations for Operation EP PF120J_EN indd 15 EP PF120J_EN indd 15...

Page 16: ...at the inlets and vents are not blocked by curtains or furniture WARNING Do not place on shelves desks tables or other similar places Unit may fall due to vibration or tilting and may cause injury and electric shock Moving the unit with the caster can be done on a sturdy and even floor To move the unit on a mat carpet or places with uneven surface carry the unit by its handle Be careful not to pul...

Page 17: ...ion of the room air During that time the clean monitor lights up in white This operation is performed every time you touch the power button to start operation Power button Clean monitor Auto mode is set as a factory default From the second use onward the memory function enables operation based on the saved status P E 24 Switching Airflow Rate Each time the button is touched while the unit is opera...

Page 18: ...ing the mode or airflow rate that indicator will light up dimly Light up dimly After one minute it will turn off to save power After one minute it will turn off to save power Display 2 The selected mode indicator or airflow rate indicator lights up brightly Other indicators light up dimly It does not change one minute or later after selection Light up brightly The selected mode indicator or airflo...

Page 19: ...onger the fan stops for about 50 minutes and then Silent airflow rate operates for about 10 minutes intermittently to save electricity costs When the air is clean in auto mode the unit will continuously operate in Silent airflow rate and not stop During eco saving operation the level of air contamination is detected by the odor and dust sensors When the sensors detect odors and dust the airflow ra...

Page 20: ...2 5 measured by the sensor in units of µg m3 Value 75 or more 0 Dirtiness Level Dirty Clean It does not operate with the clean monitor and automatic operation when the value is 50 µg m3 Odor TVOC Displays the strength of the odor and TVOC measured by the sensor from 0 to 100 Value 100 0 Odor strength Strong Faint when the value is 80 Timer Displays the remaining time of the timer The Monitor displ...

Page 21: ...p and the child lock indicator will light up Indicator Note Note After setting the child lock no other buttons can be used except and child lock operations In the event of a power interruption restoring the power does not deactivate the child lock setting even after touching the power button and after removing the power plug from the outlet Hold for 3 seconds and cancel the settings Do not move th...

Page 22: ...ay switches to PM2 5 one minute after displaying Dust Deodorizing or Pre Filter The value displayed in the monitor is a guideline Regardless of the dirtiness of the filter it decreases from 100 to 0 as time passes If air does not come out odors are strong or odors remain even before the value reaches 0 clean P E 26 E 27 or replace P E 30 the filter Afterwards perform the reset operation P E 23 to ...

Page 23: ...ter indicator is not blinking Display Action Blinks If the Dust indicator blinks replace the dust filter by following the How to Re place the Dust Filter Deodorizing Filter procedure P E 30 Blinks If the Deodorizing indicator blinks replace the deodorizing filter by following the How to Replace the Dust Filter Deodorizing Filter procedure P E 30 Blinks If the Pre Filter indicator blinks clean by f...

Page 24: ...nd pollen The dust sensor may fail to sense dust stirred up when you lay out or put away bed ding which contains significantly fewer contaminants than cigarette smoke etc In such a case the clean monitor display may appear to be different from the appar ent dust in the air The dust sensor may not function properly if the sensor is dirty Carry out periodical cleaning of the dust sensor and the part...

Page 25: ... sensor sensitivity setting as desired The Odor Sensor and Dust Sensor are similarly adjusted If the display or airflow rate setting changes during operation set it again While the sensitivity is being displayed about 10 seconds continue touching and holding for about 3 seconds while touching once more While touching touch and hold for about 3 seconds The sensitivity display will change from The c...

Page 26: ... filter Cleaning guideline When the pre filter indicator flashes or about once a month Open the front panel P E 14 Check if the operation has stopped before removing the power plug from the socket While operating touch the power button and stop operation Cleaning Remove dust using a vacuum cleaner Lightly clean using the nozzle brush of the vacuum cleaner and vacuum the dust Remove dirt by washing...

Page 27: ... or barbecue will shorten the life of the deodorizing filter In such a case be sure to use the deodorizing filter while ventilating the room CAUTION Remove the front panel and pre filter P E 14 Check if the operation has stopped before removing the power plug from the socket While operating touch the power button and stop operation Cleaning 1 2 3 The dust on the dust filter or deodorizing filter m...

Page 28: ... and collect the dust Place your finger on the lower part and press Remove the dust cover vacuum well using the nozzle brush of the vacuum cleaner and wipe using a soft cloth Check if the operation has stopped before removing the power plug from the socket While operating touch the power button and stop operation 1 2 3 Wipe the lens with a cotton swab commercial product CAUTION Dust sensor cover N...

Page 29: ... deodorizing filter when it becomes difficult to remove odor Depending on the location and usage it may also be shortened If it becomes difficult to remove dust or odor replace the filter immediately Otherwise the filter may generate odors The following cases will shorten the life of the filter When the purifier takes in oily smoke carbon substances soot etc or when the smell of new building mater...

Page 30: ...function The vibration during transporting the unit might cause deodorizing agent granules to fall out from the filter When removing the plastic packaging of the filter and attaching the filter to the unit make sure that your hands clothes and the surroundings does not get dirty Wipe off any granules that may have fallen or clung to the filter This will not affect the deodorizing performance CAUTI...

Page 31: ... other mode P E 19 The airflow rate does not decrease even though the air is clean Is the airflow rate switched Select Auto mode or another airflow rate P E 17 E 19 The airflow rate does not increase even though the air is contaminat ed Is the airflow rate switched Select Auto mode or another airflow rate P E 17 E 19 Is the odor sensor opening blocked by dust or any other objects Clean the odor se...

Page 32: ...r cleaning or replacing the filter When you select the filter you want to reset and touch and hold the reset button for 3 seconds the indicator returns to lit up P E 23 The touch op eration panel display disap peared Did you set the touch operation panel display to be hidden Hold the display switch button for 3 seconds and switch the display settings P E 18 It is hard to re move the smell or the u...

Page 33: ...the deodorizing filter P E 27 The Touch Operation Panel is warm The unit s interior is lined with control circuits This causes the unit to become warm Operations Others Symptoms Cause This is normal The movement of the flap is unstable or its direction is misaligned It may have become misaligned when it was moved by hand If it does not work properly because it was moved by hand stop it by touching...

Page 34: ...tachi Air Purifier Allergen free HEPA filter Specify service part EP PF120C 901 Deodorizing filter for Hitachi Air Purifier Specify service part EP PF120C 902 Pre filter Specify service part EP PF120C 903 EP PF120J_EN indd 34 EP PF120J_EN indd 34 2 11 2019 3 36 31 PM 2 11 2019 3 36 31 PM ...

Page 35: ... Dimensions 657mm H 450mm W 280mm D Weight Approx 11 5kg Power Cord Length Approx 1 8m Model EP PF90J Power Supply AC 220 240V 50 60Hz Applicable Floor Space 65m2 Max High Medium Silent Airflow Rate m3 min 9 0 4 0 3 0 1 0 Power Consumption W 43 11 9 6 Unit Dimensions 657mm H 450mm W 280mm D Weight Approx 11 5kg Power Cord Length Approx 1 8m EP PF120J_EN indd 35 EP PF120J_EN indd 35 2 11 2019 3 36 ...

Page 36: ...E 36 EP PF120J_EN indd 36 EP PF120J_EN indd 36 2 11 2019 3 36 31 PM 2 11 2019 3 36 31 PM ...

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