Hitachi CV-SF20V Vacuum Cleaner Instruction Manual

HITACHI CV-SF20V Vacuum Cleaner

Operational safety precautions

In order to prevent personal injury or damage to the property of the user or other persons, please read and understand (the operational safety precautions) thoroughly and follow them correctly

This box illustrates actions which may cause serious injury or death.
This box illustrates actions which may cause injury or damage to property.
Meaning of the Symbol
Denotes a warning or precaution
Denotes an action which you shouldn’t do (prohibited)
Denotes an action which must always be done (instruction)
Warning
This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
Do not operate when the cable is torn or damaged.
Use with 220-240V AC, 10A upwards
Wipe the plug terminals with a dry cloth regularly in order to eliminate dust.
Always remove the plug from the socket prior to dusting and cleaning and refrain from removing the plug with wet hands
Do not disassemble, repair or modify the vacuum cleaner unless you are a professional technician, as this may result in damage to the unit and personal injury
Children should be supervised to ensure that they do not play with the appliance.
Do not use the unit to vacuum kerosene, benzene, flammable gas or cigarette butts.
Always remove the plug prior to carrying out repairs.
Only use Hitachi carbon brushes.
Using the unit outdoors or on wet surfaces may result in electric shock.
If the power supply cord is damaged, it must only be replaced by a repair shop appointed by the manufacturer or its service agents in order to avoid a hazard.
Keep hair, loose clothing, fingers, and all parts of the body away from openings and moving parts. Failure to do so could result in electric shock or personal injury
Caution

Always remove the plug after use.
To remove the plug, pull the plug, not the cable.
While rolling the cable up, hold the plug, as it may flick up causing personal injury
Do not rinse the vacuum cleaner with water, as this may damage the unit.
Do not use the unit to vacuum water or damp areas, as this may damage the unit.
Do not vacuum the following types of material: water or liquids, desiccant, large quantities of sand or powder, long rope, glass and needles, as this may result in damage to the unit.
Do not cover the ventilation outlets, as this may result in the unit become deformed and may cause fire due to excessive heat.
Do not block the exhaust. Doing so may cause fire or body deformation due to overheating.
Do not expose your body to the air released from the exhaust for long periods of time. Doing so may cause burns.
Airflow from the ventilation duct may result in personal injury if contact is made with the body for long periods.
Do not connect the plug with a loose socket it may cause the plug to melt.
Do not use in this appliance near flammable materials (benzene, thinner), as this may result in fire.
When transporting the vacuum cleaner, do not lift the unit using the vacuum hose, as this may result in the hose becoming torn.
Do not violently pull the cord, it may be damaged and cause electrical shock or flame.
Pull the cord in parallel to the ground. If pulled up, the cord may be damaged due to friction with the cleaner. Doing so may cause electrical shock or flame

Accessories and preparation before use

Accessories

How to Assemble the Hose

The hose and joint pipe are packed individually. To put them together, insert the handle into the hose until the claws of the stopper ring click into the holes.

How to attach the hose to the cleaner
  • Insert the joint pipe into the hose inlet of the cleaner.
  • When you remove the hose from the cleaner, pull the joint pipe
    while pressing the button.
How to connect the curved joint pipe to the extension pipe

*Depending on the model

How to connect the extension pipe

(For CV-SF18 only)

How to assemble nozzle

How to store the accessories
  • Fit the 2 way dusting brush & crevice nozzle on the curved joint pipe.
  • When you remove the 2 way dusting brush & crevice nozzle, pull the dusting brush and the crevice nozzle toward the direction of the arrow.
Insert the Mains Plug Into a Socket

The cleaner should be unplugged from the mains when not in use.

How to Operate

Automatic Cord Rewind
  • The power cord is stored neatly inside the cleaner using an automatic cord rewind.
    When cleaning is completed, unplug the mains and press the cord rewind pedal.
    The cord will automatically rewind.
Blower function
  • Insert the joint pipe of the hose into the blower outlet.
  • When you remove the hose, pull the joint pipe while pressing the button.
Power Control on the Body

How to Adjust the Length of Telescopic Pipe
  • Hold the grip handle and grasp the telescopic pipe with another hand, move it up and down to adjust the length.
How to control the suction power with curved joint pipe
  • Suction pressure is reduced by moving the adjustment ring on the curved joint pipe to expose a hole.
  • The more the hole area is exposed, the lower the suction pressure is. Low suction pressure is recommended for cleaning curtains, blinds, delicate fabrics, etc.
  • To decrease suction power, turn the adjustment ring so that the air could pass through the hole.
How to operate the rug and floor nozzle
  • The nozzle is fitted with a brush at the back which can either be used in the “withdrawn” or “projected” position. These positions are operated by the pedal on the tool marked “” (Carpet) and “” Floor‚. For cleaning rug or carpet, keep the brush in its “Withdrawn” position, i.e., with the pedal marked “” pressed down with your toe. If you feel the tool is heavy to slide on the carpet, please reduce the suction power by control buttons.

When setting it to “projected” position, do not use the vacuum cleaner to clean carpets. (It requires more force.)

  The pedal on the tool marked “” (Carpet), the brush withdrawn can cleans both floor and carpet.

To use Accessories

2 way dusting brush & crevice nozzle

For cleaning at :

  • Corners on stairs
  • Corners in closet
  • Gap between furniture
    Gaps in sofa
  • Corners on floor
  • Slits in sashes

  • Use the 2 way dusting brush & crevice nozzle by pushing into the Telescopic Pipe or Curved joint pipe.

Tips for Cleaning
  • 2 way dusting brush & crevice nozzle can be used for cleaning the hard-to-reach parts of the sofa.
  • 2 way dusting brush & crevice nozzle can be used for cleaning the corner of your house.
  • Angle of the brush head can be adjusted for cleaning.
  • 2 way dusting brush & crevice nozzle can be used for cleaning the bookshelf.

Do not push on a soft surface like piano to avoid scratches.

How to Store the Vacuum Cleaner
  • Hose, telescopic pipe, and the Head can be stored in assembled condition at two positions of the cleaner by using the hook.

  • Do not carry the cleaner in the hose stand storage position.
  • Do not store the cleaner with the hose near a stove or a warm place. It may be damaged due to excessive heat.

This combination allows you a space saving storage.

  1. Place the cleaner upright.
  2. Slide the storage hook of the head into the storage slot at the lower rear of the cleaner.
  3. Turn the hose around telescopic pipes to make it compact and stable.

Maintenance

Filter Maintenance Sign
  • When the orange indicator appears in the filter maintenance window continuously, remove dust in the dust case.
  • Check the dust indicator by lifting suction tool from the floor and removing the crevice nozzle when it is used.

When the orange sign appears in the window continuously, do not use the vacuum cleaner without dust removal.
If the cleaner is used in such a condition as the orange sign appears in the window, air to the motor will be reduced and the motor will eventually burn out.

When thermal protection device works, disconnect the power plug and check whether the dust compartment and filters are full of dust.
Check that no obstacle is in the hose or pipe. After removing the obstacle, leave the unit to cool down until the thermal protection device resets about 60 minutes

How to empty dust case
  1. Open the dust cover until it is in a standing position.
  2. Open the lock button of dust case.
  3. Pull up the dust case.

Do not press open button while pulling up the dust case (Dust may drop).

Dust removal
  1. Move the dust removal several times more.
  2. Put the dust case into large-sized plastic bag and push the open button of the dust case to release dust into provided plastic bag.
  3. Remove dust on the net filter with brush.
  4. Fix the dust case cover to the body.
    Check that the rubber packing is attached to dust case firmly.

Every time you remove dust from the dust case, also clean the filter. For more details, see down below.

Filter cleaning
  1. Move the dust removal several times more.
  2. Put the dust case into large-sized plastic bag and push the open button of the dust case to release dust into provided plastic bag.
  3. Clean the gap of paper filter with the brush or water
  4. Fix the dust case cover to the body. Check that the rubber packing is attached to dust case firmly.
How to remove the paper filter from net filter

After washing, let the filters dry up in the shade before use.

How to clean cyclone cylinder filter
  1. Turn the cyclone cylinder filter to “Open” and pull out.
  2. Clean the cyclone cylinder filter with the brush or water.

After washing, let the cyclone cylinder filter dry up in the shade before use

Clean the dust case ass’y

Take out the dust case ass’y from the cyclone room cap and wash the net filter and paper filter by using a brush with water. After washing, let the filters dry up in the shade.

1) The cleaner should be unplugged from the mains when not in use.
2) Be sure to set the dust case and each filter, and operate the cleaner.
3) Install the dust case to original position firmly.
4) Set the dust case not to make any gap between the lid of the
dust case and cleaner body.

HEPA clean filter cleaning

HEPA clean filter is not washable.

  • Remove HEPA clean filter from the unit.
  • Then, remove dust by patting it gently.

    (For CV-SF20V only)
How to remove the motor protection filter
  1. Open the dust cover. Remove the filter
  2. Rinse the filter with water and wash by hand gently.
  3. Insert the dried filter in the same position.

Do not wash the filter by washing powder, bleach, benzene and alcohol. It’s may caused of damage and deteriorate to filter.
Do not wash the filter by washing machine and do not dried it by hair dryer.

How to Clean the Vacuum Cleaner Body

Wipe with a soft cloth soaked with water.

Do not wash the cleaner with benzene, thinner and detergent, it may cause color change and transformation.

Specifications

Model CV-SF20V CV-SF18
Rated Voltage 220 – 240V
Rated Frequency 50 – 60 Hz
Input Power (IEC) 1500 – 1700W 1400 – 1600W
Input Power (MAX.) 1800 – 2000W 1600 – 1800W
Dust Filter Dust case
Dust Capacity 1.6 L
Cord Length 5 m
Net Weight (kg) 4.5 kg
Dimension (mm) L x W x H 385 mm x 282 mm x 226 mm
Cleaning Tools Rug-Floor Nozzle Wide 2-step
Extension Pipe Telescopic Pipe Metal Pipe
Accessories 2 way dusting brush & crevice nozzle

Factory: Arcelik Hitachi Home Appliances (Thailand) Ltd.