Please read carefully before use
Operating Instructions
KV20, 25, 30,
45 & 50 / 1 & 2 H
Industrial Type H
Vacuum Cleaners
IMPORTANT USER INFORMATION
It is most important that this instruction book should be retained with the machine for future reference. Should
the machine be sold or transferred to another user always ensure that the book is supplied with the machine in
order that the new user can be acquainted with the functioning of the machine and the relevant warnings. These
warnings are provided in the interest of safety. You must read them carefully before installing or using the machine.
WARNING/CAUTION
This vacuum cleaner is designed to be operated by adults only and is not intended for use by persons with reduced
physical, sensory or mental capabilities, or lack of experience and knowledge.
Prior to using this Type H vacuum cleaner a risk assessment must be carried out by a competent person to ensure
that it is suitable for the application.
Do not remove this Type H vacuum cleaner from a contaminated area unless it has been decontaminated in
accordance with the “Decontamination” section later in this book.
This vacuum cleaner is not suitable for collecting radioactive dust.
This vacuum cleaner is for dry use only and shall not be used or stored outdoors in wet conditions.
Do not use this vacuum cleaner in the presence of flammable gases.
This vacuum cleaner must not be used to pick up glowing dust/particles or other ignition hazards.
If the supply cord is damaged it must be replaced by a special cord or assembly available from ARE NZ.
Never leave this vacuum cleaner running unattended.
It is dangerous to alter the specification or modify the product in any way.
Remove the plug from the wall socket before attempting any form of user maintenance specified in this instruction
book.
Do not carry or drag your Vacuum Cleaner by the mains supply cable.
Do not tug at the mains supply cable to remove the plug from the wall socket.
Keep the mains supply cable away from heat, oil, sharp edges and rough surfaces.
Always ensure that the cable is not damaged in any way.
Dust bags and filters should be changed at regular intervals as stated in this instruction book.
Do not use this machine to suck up liquids or use on wet surfaces.
Do not use this machine for dry vacuuming with the filters removed.
When fitting and changing the accessories always follow the instructions in this instruction book.
Under no circumstances should you attempt to repair this vacuum cleaner yourself. Repairs undertaken by
unauthorised or inexperienced persons may cause injury and/or serious malfunctioning.
This machine should be serviced by authorised ARE NZ personnel and only genuine
spare parts should
be used.
Always replace the dustbag when full ensuring that the cloth filter is not blocked with dust.
Never use without the full filtration system fitted.
ELECTRICAL INFORMATION
This vacuum cleaner has been designed for dry vacuum cleaning only and
must not be used to pick up any liquids.
Cable & Plug
These vacuum cleaners are Class 1 earthed machines and have 10 metres of 3 core supply cable with a moulded
on impact resistant 10amp 3 pin NZ/AUS plug.
Should the moulded on plug be damaged please follow this procedure:
Switch off supply at socket, remove damaged plug from socket, cut plug off from the supply cable.
Make sure the damaged plug is disposed of immediately so there is no chance of the damaged plug being used.
Fitting a Replacement Plug
Use only a 10amp NZ/AUS approved plug. A replacement plug must only be fitted by a qualified and competent
person. To fit proceed as follows:
1) Ensure that the lengths of wire to be fitted inside the plug have been cut to the correct length and the end
2) Connect the blue (NEUTRAL) wire to the terminal in the plug which is marked with the letter “N”.
3) Connect the brown (LIVE) wire to the terminal in the plug which is marked with the letter “L”.
4) Connect the green/yellow (EARTH) wire to the terminal in the plug which is marked with the letter “E”.
5) Tighten all screws. Ensure that all conductor strands have entered into the terminal posts and that the mains
6) Replace the top cover of the plug and secure.
Extension Cable
If using an extension cable always ensure that the insulation sheath is in good condition and is not damaged in any
way. Make sure that the socket is fitted to the extension cable correctly, if in doubt have it checked by a qualified
electrician. Always use the extension cable in accordance with the manufacturers instructions.
ELECTRICAL INFORMATION
This vacuum cleaner has been designed for dry vacuum cleaning only and
must not be used to pick up any liquids.
Cable & Plug
These vacuum cleaners are Class 1 earthed machines and have 10 metres of 3 core supply cable with a moulded
on impact resistant 10amp 3 pin NZ/AUS plug.
Should the moulded on plug be damaged please follow this procedure:
Switch off supply at socket, remove damaged plug from socket, cut plug off from the supply cable.
Make sure the damaged plug is disposed of immediately so there is no chance of the damaged plug being used.
Fitting a Replacement Plug
Use only a 10amp NZ/AUS approved plug. A replacement plug must only be fitted by a qualified and competent
person. To fit proceed as follows:
1) Ensure that the lengths of wire to be fitted inside the plug have been cut to the correct length and the end
correctly prepared. When preparing the cable ends take care not to damage the outer sheath, or the insulation
surrounding the inner conductors.
2) Connect the blue (NEUTRAL) wire to the terminal in the plug which is marked with the letter “N”.
3) Connect the brown (LIVE) wire to the terminal in the plug which is marked with the letter “L”.
4) Connect the green/yellow (EARTH) wire to the terminal in the plug which is marked with the letter “E”.
5) Tighten all screws. Ensure that all conductor strands have entered into the terminal posts and that the mains
lead is securely held in place by the cable clamp.
6) Replace the top cover of the plug and secure.
Extension Cable
If using an extension cable always ensure that the insulation sheath is in good condition and is not damaged in any
way. Make sure that the socket is fitted to the extension cable correctly, if in doubt have it checked by a qualified
electrician. Always use the extension cable in accordance with the manufacturers instructions.
UNPACKING YOUR CLEANER
Unpack your cleaner and ensure that you have the items listed below:
5 K4 Disposable Microfibre Bags – Part No. K18.01.02
1 14" High Efficiency Filter Assembly – Part No. K24.03.01
HOSE AND ACCESSORIES
Supplied separately to customer requirements
We recommend 32mm or 38mm hose and tools for single motor models (KV20, 25, 30, 45 & 50/1H).
For twin motor models (KV20, 25, 30, 45 & 50/2H) we recommend 38mm or 51mm hose and tools.
Do not use 32mm hose and tools on twin motor models.
RISK ASSESSMENT Type H
If this vacuum cleaner is used for collecting dust and debris which may be hazardous to health if inhaled,
ingested or in contact with the skin then a risk assessment must be carried out by a competent person to verify
the suitability of the application.
The risk assessment will be the responsibility of the customer/end user and should take into account but not
limited to the characteristics of the material being collected such as:
1. The occupational exposure limit of the dust and debris being collected.
2. The particle size of the dust and debris being collected.
3. The method of disposal.
OPERATING INSTRUCTIONS
WARNING Before use operators must be provided with information, instruction and training for the use of this
vacuum cleaner and the substances for which it is to be used, including the safe method of removal and disposal
of the material collected.
1. Connection to the Electricity Supply
Insert the mains plug into a suitable socket outlet and switch on. When you have finished cleaning, switch off
the supply at the outlet socket and unplug. When coiling the mains cable make sure that any twists or knots in
the cable come out at the plug end. DO NOT coil cable from the plug end as all twists and knots remain in the
cable and considerably shorten its life.
2. Cleaner Controls
The following control is provided:
The on/off switch is situated at the front of the motor head. To switch the appliance on firmly press the part of
the switch marked “1”. To switch off press the part of the switch marked “0”.
3. Carrying and Storing
The assembled cleaner should only be moved by the carrying handle on top of the motor head (not applicable to
models on a caddy). Do not attempt to lift or drag the machine by the mains cable. The cleaner must be stored
indoors and in a dry environment.
All
Type H vacuum cleaners are supplied with screw-on blanking caps. These are designed to seal the
inlet and exhaust ports to prevent the escape or ingress of hazardous dust during transport or storage. Whenever
this vacuum cleaner is not in use these blanking caps should be used. They must be removed before use.
YELLOW FLASHING WARNING LIGHT
This model is fitted with a yellow flashing LED warning light. When this light is flashing the airspeed in the
hose has dropped below 20 metres per second. This would indicate that there is an impediment to the airflow.
1. Remove hose. If LED stops flashing, the hose is blocked. Unblock the hose and try again.
2. If LED flashes with no hose connected, there is a restriction in the air filtration system. Use the following
b
c
a
DUST/DEBRIS DISPOSAL
This vacuum cleaner contains dust hazardous to health. Emptying and maintenance operations, including removal
and renewal of dust collection bag, must only be carried out by authorised personnel wearing suitable personal
protection. Do not operate without the full filtration system fitted.
Disconnect the hose, fit the blanking cap on the hose entry, unlatch the clips and remove the motor head/HEPA
unit. Take care not to drop the motor head/HEPA unit. Remove the filter assembly and carefully release the
disposable bag from the bag tube and lift out of the canister. Seal the disposable bag inlet using the integral cap
on the bag collar. The disposable bag should be immediately placed in a suitably labelled impervious plastic
bag and this bag sealed and disposed of in accordance with the current regulations. Fit new disposable bag over
the bag tube inside the canister.
This vacuum cleaner is supplied with 5 spare Microfibre bags and a spare filter assembly. This (clean) spare filter
should be used and the motor head/HEPA unit refitted.
The contaminated filter should now be cleaned by using this vacuum cleaner and stored in a labelled plastic bag
ready for future use.
DECONTAMINATION
Decontamination operations should only be carried out by competent authorised personnel equipped with
suitable personal protection.
Before removing the accessories/vacuum cleaner from the contaminated area:
• AccessoriesshouldbecleanedexternallywithaTypeHvacuumcleaner.
• Theyshouldthenbecleanedwithanadhesivewipe,sealedateachendandsealedinaclearimperviousbag.
The bag should carry an appropriate warning label.
• Theexternalsurfacesofthebagshouldthenbecleanedwithanadhesivewipe.
• Thevacuumcleanershouldbecleanedexternallywithitself.Thedisposablebaganditscontentsshouldbe
removed and disposed of in accordance with the method described in the section titled Dust/Debris Disposal.
• Thevacuumcleanershouldthenbecleanedexternallywithanadhesivewipe.
• Thevacuumcleanershouldbesealedinaclearimperviousbag.Thebagshouldcarryanappropriatewarning
label.
• Theexternalsurfacesofthebagshouldthenbecleanedwithanadhesivewipe.
MAINTENANCE
Maintenance should be conducted by authorised agents only.
Maintenance must be carried out in a suitable controlled area with local filtered exhaust ventilation and facilities
for cleaning the area after servicing.
During maintenance always disconnect from the electrical supply.
Maintenance and cleaning must only be carried out by competent authorised personnel equipped with suitable
personal protection. All parts must be regarded as contaminated. Another Type H vacuum cleaner should be used
and each component to be removed, cleaned prior to removal.
DOP testing should be conducted every six months or whenever the equipment suffers a serious impact or damage.
Items that cannot be satisfactorily cleaned are to be disposed of in impervious plastic bags in accordance with
current regulations. All surfaces should be cleaned as they become exposed.
THERMAL CUTOUT SWITCH
This vacuum cleaner is fitted with a thermal switch which automatically stops the motor if it overheats. This
may be caused by a blocked hose or wands, a full Microfibre bag, or a blocked filter. If your vacuum cleaner cuts
out check for the above. The thermal switch will automatically reset itself when the motor temperature drops.
FILTRATION SYSTEM
This is a Type H Vacuum Cleaner. It is fitted with 3 stages of filtration on the negative pressure side of the motor
(that is before the motor, so that the motor always receives clean filtered air).
1st Stage - K4 Disposable Microfibre Bag
2nd Stage - High Efficiency Filter Assembly specially for Type H cartridges
3rd Stage - Type H HEPA (High Efficiency Particulate Air) Cartridge Filter
Also known as the Absolute or Essential Filter.
KV20–50H HEPA Filter part no. K27.03.04.
Note: The HEPA cartridge filter fitted to Kerstar KV20–50 Type H models has a very large
surface area compared to other models available and will therefore give improved performance
and a greatly increased filter life.
Access to the Microfibre Bag and Filtration System
a) To remove the motor head and HEPA cartridge unit, unclip the LOWER set of clips. Ensure that the clips
are hinged clear of the rim of the HEPA unit. Lift the motor head and HEPA unit clear of the canister.
b) To refit the motor head and HEPA unit align the head so that the cable entry lies directly opposite the hose
entry on the canister. Locate the clips over the rim of the HEPA unit and firmly press down both clips until
they have locked into position.
Note: The upper set of clips between the HEPA unit and motor head
have a lock-down device to prevent the separation of the motor head from the HEPA unit.
Only authorised and trained personnel should separate the motor head from the HEPA unit.
WARNING
This vacuum cleaner may contain dust hazardous to health. Emptying and maintenance operations including
removal and renewal of dust collection bag shall only be carried out by authorised personnel wearing suitable
approved personal protection.
WARNING
Do not use this vacuum cleaner unless the full filtration system is fitted – Type H cartridge, High Efficiency filter
assembly and Microfibre bag. Failure to fit the complete system may cause premature clogging of the Type H
cartridge and may also endanger health.
WARNING
Do not use this vacuum cleaner for the collection of explosive dusts.
Do not use this vacuum cleaner in a corrosive or flammable environment.
IMPORTANT
This vacuum cleaner is designed to collect hazardous dusts. Therefore any dust found within the machine or on
its filters may be dangerous to your health. Always take precautions.
YELLOW FLASHING WARNING LIGHT
This model is fitted with a yellow flashing LED warning light. When this light is flashing the airspeed in the
hose has dropped below 20 metres per second. This would indicate that there is an impediment to the airflow.
1. Remove hose. If LED stops flashing, the hose is blocked. Unblock the hose and try again.
2. If LED flashes with no hose connected, there is a restriction in the air filtration system. Use the following
sequence to check, replace or clean the following:
a) Disposable Microfibre bag
b) High Efficiency filter assembly
c) HEPA Cartridge filter
<20 m/s
b
c
2
1
1 5
2
3
4
3
1
a
2
3
DUST/DEBRIS DISPOSAL
This vacuum cleaner contains dust hazardous to health. Emptying and maintenance operations, including removal
and renewal of dust collection bag, must only be carried out by authorised personnel wearing suitable personal
protection. Do not operate without the full filtration system fitted.
Disconnect the hose, fit the blanking cap on the hose entry, unlatch the clips and remove the motor head/HEPA
unit. Take care not to drop the motor head/HEPA unit. Remove the filter assembly and carefully release the
disposable bag from the bag tube and lift out of the canister. Seal the disposable bag inlet using the integral cap
on the bag collar. The disposable bag should be immediately placed in a suitably labelled impervious plastic
bag and this bag sealed and disposed of in accordance with the current regulations. Fit new disposable bag over
the bag tube inside the canister.
This vacuum cleaner is supplied with 5 spare Microfibre bags and a spare filter assembly. This (clean) spare filter
should be used and the motor head/HEPA unit refitted.
The contaminated filter should now be cleaned by using this vacuum cleaner and stored in a labelled plastic bag
ready for future use.
DECONTAMINATION
Decontamination operations should only be carried out by competent authorised personnel equipped with
suitable personal protection.
Before removing the accessories/vacuum cleaner from the contaminated area:
• AccessoriesshouldbecleanedexternallywithaTypeHvacuumcleaner.
• Theyshouldthenbecleanedwithanadhesivewipe,sealedateachendandsealedinaclearimperviousbag.
The bag should carry an appropriate warning label.
• Theexternalsurfacesofthebagshouldthenbecleanedwithanadhesivewipe.
• Thevacuumcleanershouldbecleanedexternallywithitself.Thedisposablebaganditscontentsshouldbe
removed and disposed of in accordance with the method described in the section titled Dust/Debris Disposal.
• Thevacuumcleanershouldthenbecleanedexternallywithanadhesivewipe.
• Thevacuumcleanershouldbesealedinaclearimperviousbag.Thebagshouldcarryanappropriatewarning
label.
• Theexternalsurfacesofthebagshouldthenbecleanedwithanadhesivewipe.
MAINTENANCE
Maintenance should be conducted by authorised agents only.
Maintenance must be carried out in a suitable controlled area with local filtered exhaust ventilation and facilities
for cleaning the area after servicing.
During maintenance always disconnect from the electrical supply.
Maintenance and cleaning must only be carried out by competent authorised personnel equipped with suitable
personal protection. All parts must be regarded as contaminated. Another Type H vacuum cleaner should be used
and each component to be removed, cleaned prior to removal.
DOP testing should be conducted every six months or whenever the equipment suffers a serious impact or damage.
Items that cannot be satisfactorily cleaned are to be disposed of in impervious plastic bags in accordance with
current regulations. All surfaces should be cleaned as they become exposed.
THERMAL CUTOUT SWITCH
This vacuum cleaner is fitted with a thermal switch which automatically stops the motor if it overheats. This
may be caused by a blocked hose or wands, a full Microfibre bag, or a blocked filter. If your vacuum cleaner cuts
out check for the above. The thermal switch will automatically reset itself when the motor temperature drops.
Ref. Instruction Book ARE NZ KV20, 25, 30, 45, & 50 /1 & 2H
01/2016
Protecting the environment
When this product has reached the end of its useful life it must not be disposed of with
normal household waste.
CAUTION: This Type H Vacuum Cleaner is likely to contain or be contaminated with
dust hazardous to health. It must be thoroughly decontaminated in accordance with best
practice before recycling.
SERVICING & SPARES
Should your vacuum cleaner need any servicing, repair or spares please contact ARE NZ Ltd:
Tel: 095709604
Email: info.arenzltd@gmail.com
Please make a note of the model and serial number before contacting ARE NZ Ltd.
Before attempting any servicing of this appliance, decontaminate in accordance with current best practice and
make sure you are protected from any dust which may still be present on or around the machine or any dust
which may have collected on internal components.
The Type H cartridge filter is not reusable or cleanable and should be disposed of safely. When it becomes
excessively clogged and the vacuum performance of the appliance suffers or is no longer acceptable fit a new
unit. Be careful when handling and fitting Type H cartridges as damage to the pleated element will affect the
performance and may cause a leakage through the filter of unfiltered air.
GUARANTEE
products are guaranteed for 12 months against defective parts and workmanship. There are certain
conditions that may invalidate this guarantee.
a) This vacuum cleaner must be correctly installed and used in accordance with these instructions.
b) Servicing must be carried out by ARE NZ authorised personnel only.
c) This guarantee does not cover misuse, fair wear & tear and unauthorised repair or modification.
may introduce modifications to their products from time to time and consequently the details given in
this instruction book are subject to alteration without notice.
www.kerstar.co.uk
NN4 7HS
2/34 Hannigan Drive
St John Tel: 095709604
Auckland info.arenzltd@gmail.com
[UK]
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