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Hitachi EP-NZG70J 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-NZG70J_EN.indd 1
EP-NZG70J_EN.indd 1
(P.E-8 - E-12)
Instruction Manual
Hitachi Air Purifier
6/30/2017 10:32:22
6/30/2017 10:32:22



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  Summary of Contents for Hitachi EP-NZG70J

  • Page 1 Instruction Manual Hitachi Air Purifier Model EP-NZG70J 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: Features

    Features 1. Wide suction and speedy dust collection in just 9 minutes for a 13m room. Standard applicable fl oor space - 53m 2. With the Allergen-free HEPA Filter, fi ne dust particles are thoroughly collected. EP-NZG70J_EN.indd 2 EP-NZG70J_EN.indd 2 6/30/2017 10:32:28 6/30/2017 10:32:28...
  • Page 3: Table Of Contents

    Contents Before Use Cleaning and Maintenance Features ············································ Cleaning ··········································· E-23 Name of Each Component / Accessories ···· Pre-fi lter, Filter ·········································· E-23 Operating the Touch Operation Panel ···· Purifi er ······················································ E-24 Dust Sensor ·············································· Safety Precautions ·························· E-24 Cautions on Use ······························...
  • 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 Touch Operation Panel...
  • Page 5 (P.E- ) Numbers are pages containing the main description each parts. Odor Sensor (P.E-21) Senses the odor components in the air. Dust Sensor (P.E-21) Senses the presence of cigarette smoke, dust, pollen, and other similar air contaminants. Filter (Allergen-free, HEPA filter) Set in the outer part of the unit.
  • Page 6: Operating The Touch Operation Panel

    Operating the Touch Operation Panel The touch operation panel is made of glass. If the touch operation panel display disappears, touch to display it again. The touch operation panel display will disappear when is touched again. The upper part of the touch operation panel is the display section and the lower part is the control section. Use the touch operation panel to switch settings.
  • Page 7 Airflow (P.E-17) Air Sensor (P.E-21) The level of air contamination detected Use this to switch the by the odor and dust sensors is airflow rate. indicated through different colors. Display Operation Panel Off-timer (P.E-19) Option (P.E-18) Use to switch to quick cycle. Use this to set the off-timer.
  • 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 In case of scratches or breakage, stop using and immediately request repairs. Refrain from directly touching the broken glass.  Use only a genuine fi lter for the Hitachi Air Purifi er Other fi lters may cause unit failure.  This appliance is not intended for use by persons (including children) with reduced...
  • 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 rear panel and pre-filter Place the unit on a flat and stable location.
  • Page 15 Install the pre-filter to the unit Securely plug the tabs of the pre-filter to the matching holes in the unit. Slide the switch downwards (2 locations) to lock. Slide the switch downward. Gently pull the pre-filter to make sure it is not out of place. Switch Plug the tabs of the pre-filter Pre-filter...
  • 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 a good air circulation.
  • Page 17: Operation

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

    Useful Features Operating in Option Pollen Once every hour, room air will be forcefully circulated in “High” airfl ow rate. Sensitivity of odor and dust sensors will increase, and depending on the level of air contamination, the unit will operate in either “High” or “Medium” airfl ow rate.
  • Page 19: Eco Saving Operation

    Eco Saving Operation  The unit automatically stops operation when air becomes clean, saving electricity cost. Also, if this status continues for longer than 8 hours, the unit will automatically stop operating. Normal Auto Operation When the air is clean, the unit will continuously operate in “Silent” airfl ow rate and not stop. Eco Saving Operation When the air is clean and “Silent”...
  • Page 20: Setting The Lock

    Useful Features (Continued) Setting the 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. Long-press for about 3 seconds · Lock After long-pressing for about 3 seconds, a buzzer will ring once (beep) and the...
  • Page 21: Memory Function / Sensors / Auto Detection

    Memory Function / Sensors / Auto Detection Memory Function  When power button is turned on, the unit operates the previous operation mode set prior to turning off. Air Sensor  The level of air contamination detected by the odor Air sensor and dust sensors is indicated by different colors.
  • Page 22: Auto Detection

    Memory Function / Sensors / Auto Detection (Continued) Auto Detection  The air purifi er performs automatic operation by detecting room air contamination using the “Odor Sensor” and “Dust Sensor”. During the fi rst 3 minutes after the power is turned on, the unit will check the air condition of the room. ...
  • Page 23: 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 24: Purifi Er

    Cleaning (Continued) Purifi er (Guide for Cleaning: About Once a Month)  Wipe off dirt on the unit and glass panel, rear panel, and the surface using a soft, damp cloth.  Clean adhering chemicals such as oil components and insecticides regularly. ...
  • Page 25: Replacing The Filter

    Replacing the Filter Replacement Interval  The fi lter is disposable. The deodorizing performance of the fi lter decreases with use. The standard life of a fi lter is approximately 10 years as determined by the Japan Electrical Manufacturers' Association. ...
  • Page 26: How To Replace The Filter

    Do not put excessive force and deform the filter. Remove the plastic packaging of the new filter, and attach the filter in the unit Use only a genuine filter for the Hitachi Air Purifier CAUTION Other filters may cause unit to malfunction.
  • Page 27: Troubleshooting Guide

    Troubleshooting Guide Before Requesting Repairs Symptoms Check Solution  Is the power plug properly inserted in the outlet? Insert the power plug properly in the outlet. Air does not  Is the breaker switched off? Switch on breaker. come out or it ...
  • Page 28 Troubleshooting Guide (Continued) Following Conditions are Normal Sounds and Vibrations Symptoms Cause (This is normal) The flap makes whirring, rattling, and rumbling It is the sound of the motor that moves the fl ap. noises when it is opened, closed, or in swing mode The unit vibrates when it is on “Max”...
  • Page 29: Replacement Parts

    Replacement Parts Purchase from Hitachi Home Appliances dealers.  Filter assembly for Hitachi Air Purifi er  Pre-fi lter (Allergen-free, HEPA fi lter) Specify service part EP-HG50-004. EPF-G60H Specifi cations Power Supply AC 220-240V 50-60Hz Applicable Floor Space High Medium...
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