STI COMBY 3000 Specification sheet

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INSTRUCTIONS FOR USE
AND MAINTENANCE
COMBY 3000

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1. INTRODUCTION
This manual is an integral part of the appliance and contains all necessary information for its operation and
maintenance.
►The user has to read carefully these instructions before using the appliance
►For information, spare parts or accessories, please contact your retailer
This manual or a copy has to be always at the disposal of the operator for consultation.
Following these instructions, avoids taking useless risks for security and reduces damages, cost
for repairs and time the appliance does not work.
2. FUNCTIONS
This cleaning appliance is suitable for a collective use for example in hotels, schools, hospitals, factories,
shops, offices and in houses. Its principal functions are :
Vacuum cleaner
Wet & Dry vacuum cleaner
Steam generator
Steam + detergent injection (only for versions with detergent)
3. TECHNICAL DATA
Boiler in stainless steel
Volume boiler 1.5 lt
Working pressure 600 kPa (6 bar)
Temperature max 150°C
Heating time 4 min
Suction air 200 m
3
/hour
2 stages by-pass motor
Cold water tank 5 Lt
Detergent tank 5 Lt (only version with detergent)
Dirt bucket 7 Lt
Weight 32 Kg
4. SAFETY DEVICES
Thermostat 170°C one shot ceramic
Thermostat 165°C ceramic
Safety valve 700 KPa (7 bar)
Low voltage handle

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5. WARNING
The manufacturer declines all responsibility from using the appliance if:
►the instructions of this manual are not respected
►modifications are brought in without previous authorization from the manufacturer
►repairs are made by unauthorized persons
►parts of the appliance are replaced with not genuine parts
►the machine is used differently from how it is recommended
When the machine is used, the following instructions have to be respected:
• the high pressure steam jet can be dangerous if it is used in an improper way. Never direct the
steam jet towards people.
• Never direct the steam jet towards yourself or other people for cleaning clothes or shoes.
• Do not use the appliance near other people, if these do not wear protective clothing.
• Pay attention not to touch the nozzles, as those become very hot while using steam.
• Never suck in flammable substances (petrol, solvents, varnish etc.), welding smoke, burning mate-
rials : danger of explosion and fire !
• If the electrical cable is damaged, it has to be replaced immediately by the manufacturer or by an
authorized person.
• If an extension cable is used, plug and socket have to be water tight.
• In case of leaks of foam or liquids, switch off immediately !
• Children or not trained persons must not use this appliance.
• To guarantee the safety of this appliance, only genuine spare parts have to be used.
►Do not pull at the steam hose, it could get damaged
►The unsuitable extension units can be dangerous
6. CONTROL PANEL
1. Boiler switch
2. Detergent switch
3. Steam output regulator
4. Digital indicator of temperature and pressure
5. Detergent tank cap
6. Water tank cap
7. Socket
00II Boilertemperature COMBY3000STEAMOFFDETERGENTONONOFF+- MAINSWITCH 1 2 3 4 5 6 7
00
II
Boiler temperature
COMBY
3000
STEAM
OFF DETERGENT
ON
ON
OFF
+-
MAIN SWITCH
12
3
4
5
6
7

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7. INSTRUCTIONS FOR USE
7.1 Preparation
Open the cap (12) and fill the cold water tank with tap water.
Connect the plug to a socket on a patchboard provided with a switch with an efficient earth connection.
► The appliance is provided with a power cord according to its electrical input characteristics
►Verify that the electrical mains are according to the norms
►It is recommended that the power supply of this appliance includes a differential switch of
30 mA maximum
7.2 Starting
• Switch on the boiler switch to start the boiler (1).
• The display goes on (4) indicating the temperature in the boiler.
• When the pump has filled up the boiler goes out.
• The appliance starts heating up (about 4 minutes).
• When on the display (4) appears “5b” the appliance is ready for use now.
• Connect the steam hose to the socket (7) making sure that it is inserted correctly.
• Push the steam button (8) on the handle and direct the steam jet towards the area which has to be
cleaned.
• For vacuum cleaning press the button for suction (9).
• The functions steam and vacuum can be used separately, and also simultaneously.
7.3 Detergent injection
To start the appliance follow the instructions explained under starting (7.2)
For the detergent function follow these instructions:
• Open the tap (5) and fill up the tank with detergent.
• Switch on the switch (2).
• Push the bottom (10) to start the detergent function.
• The functions steam, steam + detergent and vacuum can be used separately, and also simultane-
ously.

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►Before starting steam cleaning, blow off the initial condensation in the conducts in a
bucket or any other suitable place.
Do not use foaming or corrosive detergent, as this kind of detergent could damage the
appliance !
7.4 Vacuum cleaning
0
I
10
For vacuum cleaning:
• first switch on the switch behind on the vacuum cleaner.
• switch on the vacuum switch (9) on the handle.
Please note that the vacuum system does not work when
the switch on the vacuum cleaner is on position off!
When the dirt bucket (12) is full, vacuum stops.
Unhook the bucket, empty it, hook again and then con-
tinue working.
To clean the polyester filter unhook the bucket and
take off the filter. Wash the filter and replace it, then
hook the bucket.
Please note that when the machine does not work, to
dry the dirt bucket (12), it is advisable to unhook it
from vacuum motor (11)
12
11
7.5 Refilling water
When the cold water tank is empty, you will hear an acoustic signal and on the display (4) appears
“H2O”.
Proceed as follows:
• Open the cap (6) and fill water in the tank.
• Close the cap (6).
• Press the bottom (8) on the hose (you hear that the pump starts work)
• Please wait some seconds that on the display (4) appears “5b” and start again the cleaning opera-
tions.

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8. MAINTENANCE
►Always unplug the appliance before cleaning or servicing operations on the machine
For the safety of the operator and to secure always perfect performances, the following controls and servic-
ing is recommended :
8.1 After each use
To clean the flexible hose and the used extension units, suck in a small quantity of clear water. Doing so
you keep the conducts clean inside and prevent deposits and bad smells.
Unhook the dirt bucket, empty it and rinse it carefully.
8.2 Periodically
Check regularly that the power cord does not present any signs of wear or ageing. If it is damaged, it is
absolutely necessary to replaced it immediately by the same type of power cord, before using the appli-
ance again.
This operation must be made by properly qualified persons.
8.3 Cleaning the boiler
• The cleaning of boiler is advisable at least every 200 working hours.
• The machine has to be cold and the electrical plug disconnected. With a wrench n°22 open the
stopper under the machine and empty completely all remaining water in the boiler. When the boiler
is empty, close the stopper carefully but without exceeding.
• Control visually or with a rod the remaining water quantity in the cold water tank: for about 0.3 litter
water take 0.3 litter vinegar (or a recommended descaler).
• Connect the electrical plug, switch on the switch (1).
• Wait until the pump finishes to fill the boiler and goes out. Switch off the machine, disconnect the
electrical plug and leave the machine for 8 hours.
• Empty the loose limestone in the solution and rinse the boiler proceeding as above described.
• Fill the cold water tank with clean water and switch on the machine. For about 10 minutes use
steam with care, because it will have a sharp smell because of the remaining vinegar in the boiler
and in the conducts.
• When the operation boiler cleaning is completed, to start the appliance again, follow the instruc-
tions explained under Starting.
► When the pump is filling the boiler, it’s recommended to control if the stopper under
the machine is leaking

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8.4 Troubleshooting
ANOMALY
SOLUTION
Water is leaking from the accessories
Due to wear or damage of seals
Due to wear or damage of seals –Replace the seals on
the coupling paying attention not to cut or to mark them
and to place them carefully.
Plug of the steam hose is difficult to insert in the socket
of the machine. Do not force to insert it, but put a bit of silicon on the
steam coupling in the machine.
Boiler needs more time to heat up. Clean the boiler as explained.
Pressure goes down quickly while using steam Symptom of limestone, clean the boiler as explained.
9. ACCESSORIES
The right steam hose and suitable accessories are important for the safety of this appliance. Therefore it is
recommended to use only genuine steam hose and accessories.
9.1 Standard Accessories

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1. Extension units
2. Flexible hose with handle and plug
3. Multipurpose brush
4. Carpet protection for multipurpose brush
5. Frame with bristles and rubber scrapers for multipurpose brush
6. Glass cleaner
7. D26 nylon brush
8. D26 brass brush
9. Steam lance
10. Large nozzle
11. Bent nozzle
10. WARRANTY
The manufacturer STI SRL guaranties this appliance for a period of 12 months from the date of purchase
against manufacturing blemish and defects in material.
Warranty conditions:
►the warranty does not cover damages deriving from normal wear.
►the warranty does not cover damages or accidents due to non respect
of the instructions of this manual, bad servicing or improper use of the appliance.
►the warranty comprehends replacement and / or repair of faulty parts, including
workmanship. Under no circumstances the acknowledgement of the warranty
involves an acknowledgement of damages or claims of any type or cause.
►Transport and packing costs are at the purchaser’s charge
The competent courts in case of dispute is in Bassano del Grappa (VI) – Italy.
11. DECLARATION OF CONFORMITY
The manufacturing company Sti s.r.l. via Rosi 3,I -36030 Fara Vicentino (VI)
declares that the appliance to which the declaration refers is in conformity with the essential safety require-
ments of the European Directives:
Safety Electromagnetic Compatibility
Directive 2006/95/CE and subsequent amendments
Directive 2004/108/CE and subsequent amendments
The conformity of the directives above mentioned is represented by the marking of the product.
12. WASTE AND RECYCLING
Do not discard the components of the appliance in the environment. For their waste, the laws of the country
where the appliance is used have to be observed.
The appliance is constructed with materials that must not be dispersed in the environment. For their dis-
posal contact recycling centres or the supplier.

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In accordance with the directives 2002/95/EC, 2002/96/EC and 2003/108/EC, relating to the reduction in
use of dangerous components in electric and electronic appliances, and waste disposal”.
The symbol of the barred skip on the appliance indicates that the product, at the end of its
working life, must be collected separately from other refuse.
The user must bring the appliance to an appropriate centre for separately collected elec-
tronic and electro-technical items, or return it to the seller when purchasing a new equivalent
appliance, on a one to one basis.
The appropriate separate collection of the appliance for recycling, to the treatment and
compatible environmental disposal contributes to avoiding possible environmental and health
effects of a negative nature and encourages the recycling of materials of which the appliance
is composed. Abusive disposal of the product by the user instigates the application of sanc-
tions according to Leg. Decree no. 22/1997 (article 50 and following of Leg. Dec. no. 22/1997).
Data, specifications and equipment which are described in this document are not binding and may be al-
tered with.