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Hitachi EP-PF120J Instruction Manual

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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
For future reference, keep this manual in an easily
accessible place.
Read "Safety Precautions"
to ensure correct use.
EP-PF120J_EN.indd 1
EP-PF120J_EN.indd 1
(P.E-8 - E-12)
Instruction Manual
Hitachi Air Purifier
2/11/2019 3:36:11 PM
2/11/2019 3:36:11 PM



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  Summary of Contents for Hitachi EP-PF120J

  • Page 1 Hitachi Air Purifier Model EP-PF120J EP-PF90J 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.
  • Page 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: Table Of Contents

    Contents Before Use Cleaning and Maintenance Name of Each Component / Accessories ···· Cleaning ··········································· E-26 Operating the Touch Operation Panel ···· Pre-fi lter ··················································· E-26 Safety Precautions ·························· Dust Filter / Deodorizing Filter ················· E-27 Purifi er ······················································ Cautions on Use ······························ E-13 E-28 Preparations for Operation ·············...
  • Page 4: Name Of Each Component / Accessories

    Name of Each Component / Accessories Names of Each Component CAUTION Do not hold the flaps when moving the unit. Doing so may cause unexpected injury when the unit is damaged and overturned or dropped. Air outlet (stainless steel net) Flap Power button Purifier...
  • Page 5 (P.E- ) Numbers are pages containing the main description each parts. Pre-filter Removes large size dust. Odor Sensor (P.E-24) Senses the odor components in the air. Dust Sensor (P.E-24) Senses the presence of PM2.5, cigarette smoke, dust, pollen, and other similar air contaminants. Deodorizing filter Set in the inner part of the unit.
  • Page 6: Operating The Touch Operation Panel

    Operating the Touch Operation Panel If the touch operation panel display is off, touch to display it again. The touch operation panel display will be off when is touched again. The monitor display changes to the PM2.5 indicator when the menu button is touched regardless of the current display. Use the touch operation panel to switch settings.
  • Page 7 Flap (P.E-21) Air Flow Power button (P.E-17) (P.E-17) Swing the flap. Use this to switch Use to turn the the airflow rate. unit on and off. Display Operation Panel Filter Life Reset Mode Menu • (P.E-18) (P.E-19) Switch the display of estimated Touch this button first cleaning and replacement when the operation...
  • Page 8: Safety Precautions

    Safety Precautions  Please read the following safety precautions carefully before using the unit. To prevent injury to the user or other people and property damage, the following instructions must be followed. Also read the precautions appearing in the text carefully to ensure correct use. ...
  • Page 9 WARNING Before Use  Ventilate the room frequently when in use with heating appliances. Otherwise, it may cause carbon monoxide poisoning. This product cannot remove carbon monoxide.  Do not block the air outlet or air inlets with laundry, cloth, curtains, etc. Poor ventilation may cause overheating or fi...
  • Page 10 Safety Precautions (Continued) WARNING Cleaning  Do not use detergents when cleaning. Usage of chlorine-based and acid type detergents will generate toxic gas and can cause a health threat. Also, do not use neutral detergents as it may affect the plastic. Place of Use ...
  • Page 11 WARNING Miscellaneous  Do not put your fi nger or any other object (metal, paper, etc.) into the air inlet or outlet. It may cause injury, electric shock and fi re.  Never attempt to disassemble, modify or carry out repairs by yourself. It may cause fi...
  • Page 12 Otherwise it can cause electric shock and fi re. If there are damages, unplug and request repairs.  Use only a genuine fi lter for the Hitachi Air Purifi er Other fi lters may cause unit failure.
  • Page 13: Cautions On Use

    Cautions on Use Do not operate with the fi lter detached Do not directly fan plants and animals Otherwise, no cleaning effect can be expected. It It may adversely affect them. may also cause unit failure. Refrain from placing any ob- Do not block or touch the odor and ject on the unit and blocking dust sensors...
  • Page 14: Preparations For Operation

     Do not tip over or tilt the unit. Setting Filter in Unit  Setting procedure is the same with fi lter replacement. (Use only genuine Hitachi Air Purifi er fi lters.) Remove front panel and pre-filter Place the unit on a flat and stable location.
  • Page 15 Install the dust filter to the unit Set the filter on the dust filter setting position. Set the dust filter so that you can see the label “FRONT SIDE” “FRONT SIDE” Dust filter set position Dust filter Attach the Front panel to the unit Push in the left and right panel arms into the unit.
  • Page 16: Installation

    Installation  A caster is attached at the base of the unit, thus it should be set on an even, stable and sturdy fl oor. (No stopper attached to the caster)  Avoid places near heating or cooling equipment and other similar equipment, and choose a location with good air circulation.
  • Page 17: Operation

    Operation Starting Operation Securely insert the power plug to the outlet Touch the power button After all indicators have light up at once, “Auto” will light up. For the first 3 minutes, the unit will check and store the condition of the Operation will start, and indicator room air.
  • Page 18: Switching Touch Operation Panel Display

    Operation (Continued) Switching Touch Operation Panel Display  Use this to adjust the unit to your preferred setting. Touch and hold for about 3 seconds and select touch operation panel display The touch operation panel display will switch at each touch. Display 1 Display 2 ...
  • Page 19: Useful Features

    Useful Features Selecting a Mode The indicator of the selected mode will light up. Indicator Touch Each touch changes the operation mode. Night Auto Rapid Auto  Detects the level of dirtiness in the air with the Odor Sensor and Dust Sensor, and automatically changes the air- fl...
  • Page 20: Switching Between Pm2.5/Odor&Tvoc/Timer Monitor Display

    Useful Features (Continued) Switching Between PM2.5/Odor&TVOC/Timer Monitor Display  Although the monitor normally displays the amount of PM2.5, you can check the Odor&TVOC level or the remaining time of the set timer.  The PM2.5 and Odor&TVOC values are guidelines. Touch to switch display.
  • Page 21: Setting The Child Lock

    Setting the Child Lock  Prevents accidental operation by children through restricting the operation.  This can be set while the unit is operating. The same process goes for unlocking the unit. Touch and hold for about 3 seconds After touching and holding for about 3 seconds, a buzzer will ring once (beep) and the child lock indicator will light up.
  • Page 22: Displaying The Estimated Cleaning And Replacement Periods Of Each Fi Lter

    Useful Features (Continued) Displaying the estimated cleaning and replacement periods of each fi lter Touch and select the Filter. Each touch of the button changes the following filter. When you select a filter, its indicator lights up. Dust (%)  Deodorizing (%) Pre Filter (%) Display Contents Of Monitor Monitor Display...
  • Page 23: If A Fi Lter Indicator Blinks

    If a fi lter indicator blinks  The Dust, Deodorizing, and Pre-Filter indicators blink to notify that it is time to replace the dust fi lter or deodorizing fi lter, or time to clean the pre-fi lter. Display Action If the Dust indicator blinks, replace the dust fi lter by following the “How to Re- Blinks place the Dust Filter / Deodorizing Filter”...
  • Page 24: Memory Function / Monitor / Sensors / Auto Detection

    Memory Function / Monitor / Sensors / Auto Detection Memory Function  When power button is turned on, the unit operates the previous operation mode set prior to turning off. Clean monitor  The level of air contamination detected by the odor Clean monitor and dust sensors is indicated by different colors.
  • Page 25: Light Sensor

    Light Sensor  When the room is dark, the touch operation panel and clean monitor dims automatically. When setting the operation mode, the airfl ow rate changes as shown in the table below. You can switch the airfl ow rate manually if you do not want to change it. (P.E-17) Operation mode Airfl...
  • Page 26: Cleaning

    Cleaning WARNING  Do not stop operation by unplugging the power plug. Otherwise, it may cause fi re, electric shock or unit failure. CAUTION  Do not splash water on the unit. Doing so may cause a unit failure.  Do not use volatile solvents, such as gasoline, thinner, benzene, wax, kerosene, alcohol, etc. or polishing powder, or deter- gent (used for kitchen or laundry).
  • Page 27: Dust Filter / Deodorizing Filter

    Attach the pre-filter to the unit Hold the depressed part of the pre-filter and insert it into the front panel. Insert the two hooks of the front panel into the pre-filter insertion slots. Front panel hook Depressed part of the pre-filter Pre-filter inlet Close the front panel until you hear a click.
  • Page 28: Purifi Er

    Cleaning (Continued) Purifi er (Guide for Cleaning: About Once a Month)  Wipe off dirt on the unit, touch operation panel and the surface using a soft, damp cloth.  Clean adhering chemicals such as oil components and insecticides regularly. ...
  • Page 29: Replacing The Dust Filter / Deodorizing Filter

    Replacing the Dust Filter / Deodorizing Filter Replacement Interval  The fi lter is disposable. The deodorizing performance of the fi lter decreases with use. The standard life of a dust fi lter and a deodorizing fi lter is approximately 10 years as determined by the Japan Electrical Manufacturers' Association.
  • Page 30: How To Replace The Dust Filter / Deodorizing Filter

    Remove the plastic packaging of the new filter, and attach the filter in the unit Remove the plastic packaging of the new filter. Use only a genuine filter for the CAUTION Hitachi Air Purifier Other filters may cause unit to malfunction. Plastic package New filter Attach the deodorizing filter to the unit.
  • Page 31: Troubleshooting Guide

    Troubleshooting Guide When a notifi cation is displayed on the monitor Notifi cation Display and Details Solution Pull out the power plug and then insert it again before operating. If the same message appears, discontinue use, make sure to unplug it from the outlet, and request repairs.
  • Page 32 Troubleshooting Guide (Continued) Symptoms Check Solution  Is the unit placed in a location where it cannot be The clean Try moving it to another location. reached by odors and dust? monitor display Clean the dust sensor. color does not ...
  • Page 33 Following Conditions are Normal Sounds and Vibrations Symptoms Cause (This is normal) The flap makes whirring, rattling, and rum- bling noises when it is opened, closed, or in It is the sound of the motor that moves the fl ap. swing mode The unit vibrates when it is on “Rapid”...
  • Page 34: Replacement Parts

    Replacement Parts Purchase from Hitachi Home Appliances dealers.  Dust fi lter for Hitachi Air Purifi er  Deodorizing fi lter for Hitachi Air Purifi er (Allergen-free, HEPA fi lter) Specify service part EP-PF120C-902 Specify service part EP-PF120C-901  Pre-fi lter...
  • Page 35: Specifi Cations

    Specifi cations Model EP-PF120J Power Supply AC 220-240V 50-60Hz Applicable Floor Space High Medium Silent Airflow Rate (m /min.) 12.0 Power Consumption (W) Unit Dimensions 657mm (H) × 450mm (W) × 280mm (D) Weight Approx. 11.5kg Power Cord Length Approx. 1.8m...
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