Renfert Silent TS2921-1050 User manual

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Made in Germany
Silent TS
Nr. 2921-0050 / 2921-1050
21-9191 30102012 / A
Ideas for dental technology

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- 1 -
Introduction
We are pleased with your decision to purchase
Silent TS
This device sets a new standard with regard to
functionality, performance, and ergonomics.
Please read the following operating instruc-
tions carefully and observe the information
they contain in order to ensure a long and
trouble-free service life.
Symbology
The following symbols are employed in these
instructions and on the unit itself:
Danger
This indicates a direct risk of injury.
Electrical current
This indicates a hazard due to electrical
current.
Attention
Failure to observe the associated informati-
on can result in damage to the unit.
Note
This provides the operator with useful infor-
mation to make working with the unit easier.
Only intended for indoor use.
Before opening the unit, disconnect it from
the mains power supply by unplugging the
power cord from the wall outlet.
Burn hazard
Hot surface or objects.
Observe the operating instructions.
Silent TS
Nr. 2921-0050 / 2921-1050
ENGLISH
Introduction........................................................1
Symbology.........................................................1
..................................2
Operating Instructions
1. Setup and Commissioning...........................2
1.1 Setup............................................................ 2
1.2 Connection to the Extraction Point............... 2
1.3 Electrical Connection ................................... 2
1.4 Connecting electrical equipment .................. 2
.....................................................3
2.1 Operating Elements .................................... 3
2.2 Switching the Unit ON / OFF........................ 3
2.3 Adjusting and Displaying the
Extraction Force ........................................... 3
2.4 Continuous Operation ................................. 3
2.5 Automatic Mode ........................................... 3
2.6 Adjusting the Automatic Start Feature.......... 4
2.7 "Change Filter" - Indicator ............................ 4
indicator................................................................. 4
indicator tone......................................................... 4
3. Cleaning / Maintenance ...............................4
3.1 Seals ............................................................ 4
3.2 Replacing the Dust Bag ............................... 5
3.3 Filters ........................................................... 5
3.3.1 Replacing the Fine Particle Filter .......................... 5
................................. 5
3.3.3 Replacing the Electronics Filter............................. 5
3.4 Fuses ........................................................... 5
3.5 Self-diagnosis............................................... 6
3.6 Replacing the Suction Turbine ..................... 6
3.7 Replacing the Exhaust Air Labyrinth ............ 6
4. Spare Parts ..................................................6
5. Standard Delivery ........................................6
6. Delivery Versions .........................................7
7. Accessories..................................................7
8. Error List ......................................................7
Information for Operators
A. Application Area...........................................9
A.1 Proper Use ................................................... 9
A.2 Ambient Conditions
(in accordance with DIN EN 61010-1).......... 9
B. Hazard and Warning Information .................9
C. Authorised Individuals................................10
D. Preparations Prior to Starting.....................10
D.1 Connecting the Dust Extractor ................... 10
D.2 Connecting a Dust-Generating Device....... 11
E. Repairs.......................................................11
F. Disposal Information ..................................11
F.1 Disposing of Consumables ........................ 11
F.2 Disposing of the Unit .................................. 11
F. 3 Disposal instructions for countries in the EU11
.............................11
.......................................11
I. Warranty.....................................................12
Content

- 2 -
Information for Operators
Using these operating instructions as a
starting point, instruct all operators of the
unit with regard to the area of application,
the possible hazards during operation, and
the proper operation of the dust extractor.
Please have these operating instructions readily
available for the operators.
Additional information can be found in the Section,
at the end of these instructions.
Operating Instructions
1. Setup and
Commissioning
1.1 Setup
Remove the unit and all accessories from the ship-
ping package.
Inspect the delivery for completeness (refer to the
The unit is fully operational upon delivery.
Select a setup location for the Silent TS
where the exhaust air vent is not blocked.
Where the unit is to be installed in a cabinet, an
opening with the following minimum dimensions must
be provided:
The Silent TS is a free-standing unit intended to be
Particularly after installation of the roller
set (refer to the accessories list), the dust
extractor may only be operated if it is
1.2 Connection to the
Extraction Point
Use the included suction hose to connect the unit to
-
point (e.g., Dustex master plus
etc.).
possible to connect up to two suction points, or if ne-
cessary, use a universal adapter for connector tubes
(see accessories).
Never operate the Silent TS without a suc-
tion hose.
Avoid steep pitches or hanging points
along the hose path. Never kink the hose
and make sure it is never stretched or
under tension when connected.
1.3 Electrical Connection
Before connecting the unit to the wall
outlet, make sure the voltage information
on the nameplate corresponds to your local
power supply.
Arrange conducting parts (mains outlets, plugs and
protection class (IP) is retained.
Unroll the power cord.
The Silent TS is now ready for
continuous operation.
1.4 Connecting electrical
equipment
Electronic equipment (electrical dust-generating
equipment) can be connected to the Silent TS at the
when a connected electric device is switched on.
Section D.2 at the end of these instructions offers
information concerning electrical systems employing
different power plug designs.
When connecting electrically operated
equipment to the dust extractor, please ob-
serve the operating instructions and safety
information provided with the equipment.
The unit power outlet is to be used only for
connecting electric, dust-generating de-
vices to be operated in conjunction with the
dust extractor.
The unit power outlet is live once the Silent
TS has been connected to the power supply
– even when the Silent TS is switched off.
This allows connected devices to be oper-
ated without extraction for brief periods.
Power consumption of all devices con-
nected to the unit power outlet may not
exceed the rated value printed next to the
unit power outlet.

- 3 -
2. Operation
2.1 Operating Elements
(C) Automatic mode LED indicator
(D) Continuous / automatic operating mode
selector switch
(E) Continuous mode LED indicator
display
(K) "Change Filter" LED indicator
2.2 Switching the Unit
ON / OFF
The Silent TS
selected operating mode (continuous operation or
automatic operation).
The equipment‘s operating state is saved
once the suction unit has been operating
for longer than approx. 5 sec.
2.3 Adjusting and Displaying
the Extraction Force
The suction performance of the Silent TS can be
permits the unit’s performance to be precisely mat-
(G).
2.4 Continuous Operation
Continuous operation LED (E)
begin running as soon as it is switched on, regardless
of other electrical equipment which may or may not
be connected.
The operating mode selector switch (D) is used to
operating modes.
The selected operating mode is indicated by LED (C)
or LED (E).
Continuous operating mode selection:
Switch the Silent TS on
- LED comes on
- Continuous operation has now been selected
or
- LED comes on
- The automatic mode has been selected.
-
- LED comes on
- Continuous operation has now been selected.
2.5 Automatic Mode
Automatic Mode, LED (C).
In automatic operation suction only starts when the
electric device connected is switched on responsible
is operated.
Selecting the automatic mode:
Switch the Silent TS
- LED comes on
- The automatic mode has been selected.
or
- LED comes on
- Continuous operation has now been selected
-
- LED comes on
- The automatic mode has been selected.
the dust-generating device.
After the dust-generating device is switched off, the
Silent TS
stops automatically.

- 4 -
2.6 Adjusting the Automatic
Start Feature
In the automatic mode, the Silent TS is switched on
and off by an automatic start system.
This automatic start feature reacts to the current con-
sumed by an electronic equipment plugged into the
the Silent TS
The factory set parameter for the start-up
threshold enables the Silent TS to react cor-
rectly for most electrical dental equiment.
Should this not be the case for a particu-
lar piece of equipment (eg. a handpiece),
then the start-up threshold can be adjusted
accordingly.
To change the activation threshold:
1. Switch Silent TS on.
2. Press and hold for 3 sec.;
- LED and
-
3. Switch electronic equipment off. For units equip-
ped with a standby mode, switch them to this
mode (e.g., for units equipped with handpieces,
only switch the controller on without activating the
handpiece).
4. Press the key.
-
5. Switch the electrical appliance on, i.e. activate the
hand piece at the speed at which the Silent TS is
required to start up.
6. Press the key
-
has been successfully performed.
The Silent TS returns to the operating mode (conti-
nuous or automatic operation) which was set for the
2.7 "Change Filter" - Indicator
LED (K) coming on indicates that either the dust bag
An acoustic signal will also sound three times in this
case. In this case, follow the instructions given in the
If the dust extractor continues to be used
after the “Change Filter” indicator goes on,
The LED display blinks (K).
The indicator can be turned off by switching
the Silent TS OFF and ON, thus restarting
extraction.
system can result in hazards and damage to
the extractor. Filters must be replaced if the
2.7.1 ADJUST THE SENSITIVITY OF THE „REPLACE
FILTER“ INDICATOR.
It may be necessary to reduce responsivi-
ty if the suction support of the connected
appliance has a smaller diameter than the
Silent TS. (<< 32.5mm).
limits.
To do this:
Silent TS off;
Silent TS on, and in doing so keep the
blink. (5=factory set parameter)
Press button ,
- Reduce level of sensitivity,
-
- ==> Dust bag will get very full
Press button ,
- Increase level of sensitivity,
-
- ==> Dust bag will get less full
Press button ,
-
2.7.2 ACTIVATING / DEACTIVATING THE „REPLACE
FILTER“ INDICATOR TONE
deactivated.
To do this:
Silent off;
and keys, switch
the Silent back on and wait for the indicator tone
- Brief indicator tone: acoustic signal deactivated.
- Longer indicator tone: acoustic signal active
3. Cleaning / Maintenance
Always unplug the unit from the wall outlet
before beginning any cleaning or mainte-
nance tasks.
Examine the power cord regularly, but at
least annually, for damage or signs of
aging. Immediately replace damaged power
cords.
3.1 Seals
is vital that the following three seals:
are not damaged.
Inspect these seals when replacing the associated
damaged (refer to the spare parts list).

- 5 -
3.2 Replacing the Dust Bag
immediately replaced with a new one as soon as the
Failure to replace the dust bag may result
in it’s rupturing. Depending on the material
in the bag, this may lead to hazards for the
operator. In addition, the dust extractor may
be damaged.
the disposal location.
Always comply with all local ordinances
governing proper disposal and accident
prevention!
clothing may be required.
-
ing careful to ensure that the dust bag is properly
aligned in the guide grooves and the glue lap faces
Use only original Renfert dust bags
(refer to the spare parts list).
and push it fully against its stops. Make sure the
dust drawer is seated correctly on the guide
3.3 Filters
NEVER operate the dust extractor without
3.3.1 REPLACING THE FINE PARTICLE FILTER
annually, and replace it. It must always be replaced if
despite the dust bag having been replaced.
Always comply with all local ordinances
governing proper disposal and accident
prevention!
clothing may be required.
(refer to the spare parts list).
-
3.3.2 REPLACING THE EXHAUST FILTER
be replaced annually:
and pull the cassette down and off the unit
Always comply with all local ordinances
governing proper disposal and accident
prevention!
clothing may be required.
vent.
locked in place on all four tabs.
(refer to the spare parts list).
3.3.3 REPLACING THE ELECTRONICS FILTER
Cooling air for the unit’s electronics passes through
the ambient laboratory conditions.
as necessary:
pull the cassette off towards the rear of the unit
Always comply with all local ordinances
governing proper disposal and accident
prevention!
clothing may be required.
opening.
locked in place on both tabs.
(refer to the spare parts list).
3.4 Fuses
provided to protect these units.
Press the button to reset a switch which has tripped.

- 6 -
3.5 Self-diagnosis
which checks various functions and displays errors
on the display (G).
Before the diagnosis takes place, insert a
is clean and the suction pipe is not blocked.
Activate the self-diagnosis:
Silent TS off;
(D) and switch Silent TS
- all LED displays are illuminated,
-
- The signalling device gives an acoustic signal.
check various internal elements and functions. The
test phase.
Silent TS automatical-
ly goes into the previously selected
operating mode at the end of the self-test
number (1 to 3).
These indicate:
E2: Plug on grey motor wire out of its socket
suction turbine if necessary (refer to the spare
parts list).
E3: Error in the electronics; have the unit repaired.
In this case, the Silent TS remains in the
self-diagnosis mode until it is switched off at the
3.6 Replacing the Suction
Turbine
The suction turbine is encased in an encapsulating
housing to form a single unit, thus allowing it to be
easily replaced without the need for any tools.
Before opening the unit, disconnect it from
the mains power supply by unplugging the
power cord from the wall outlet.
The motor may be hot. Allow the motor to
cool off before proceeding.
The suction turbine may only be operated
when it is installed in the unit. Only an
authorized electrician may perform a func-
tional inspection of or repair the unit.
Remove the motor compartment cover.
knurled nuts do not need to be completely re-
moved.
-
wise, then pull it straight out towards the back
in straight and turning it clockwise to lock it in place
(vertical).
Place the motor compartment cover on the motor
compartment. Two guide pins have been provided
on the cover to assist in positioning it correctly.
Always comply with all local ordinances
governing proper disposal and accident
prevention!
3.7 Replacing the Exhaust Air
Labyrinth
Dust from the suction turbine graphite brushes also
time, the labyrinth will become discoloured.
Before opening the unit, disconnect it from
the mains power supply by unplugging the
power cord from the wall outlet.
Remove the motor compartment cover.
in straight, making sure it is properly seated. The
(vertical).
Place the motor compartment cover on the motor
compartment. Two guide pins have been provided
on the cover to assist in positioning it correctly.
Always comply with all local ordinances
governing proper disposal and accident
prevention!
4. Spare Parts
For the order numbers of consumables and spare
parts please refer to the spare parts list at the end of
this manual.
5. Standard Delivery
1 Silent TS
1 Suction hose
1 Dust bag (properly installed in the dust drawer)

- 7 -
6. Delivery Versions
2921-0050 Silent TS, 230 V, 50/60 Hz
2921-1050 Silent TS, 100-120 V, 50/60 Hz
7. Accessories
2921-0002 Dust bag set (5 bags)
2921-0001 Roller set
2925-1000 Glass pane, w. mounting
(w./o. hose)
15-0823 Suction hose (by the metre)
90003-4240 Suction hose (3m), cpl
Silent TS
8. Error List
Error Possible cause Corrective action
Dust extractor stops
suddenly, for no apparent
reason.
indicator.
has been activated due to
overload (temperature, electricity).
switch activated.
socket or loose.
reset.
(Sec. 3.2 and 3.3)
(Sec. 3.3.2).
obstruction as required.
Dust extractor stops
suddenly, for no apparent
reason. E4 is indicated on
the display.
high ambient temperature, e.g., if
the unit is installed in a cabinet.
Refer also to Sec. 1.1
After switching on
the unit, the display
immediately indicates E4.
Temperature sensor fault Have the device repaired
The self-test returns a
suction turbine error,
even though the turbine
is running.
required. (Sec. 3.2 and 3.3.1)

- 8 -
Error Possible cause Corrective action
force.
properly.
required.(Sec. 3.2 and 3.3.1)
(Sec. 3.2).
replace as required (Sec. 3.1).
(Sec. 3.3.1).
replace as required (Sec. 3.1).
“Change Filter” indicator
goes on shortly after
too small.
indicator(Chapter 2.7.1.)
indicator (Chapter 2.7.1.)
equipment requires professional repair
Dust bag ruptures.
indicator (Chapter 2.7.1.)
Dust extractor fails
to start when a dust-
generating device is
being used.
plugged into the unit power outlet
on the Silent TS.
value too high.
detect the attached device’s
operation.
Silent
TS (Sec. 1.4).
mode.
Dust extractor starts,
although a connected
device is not being used.
value too low.
Dust extractor fails to
stop when a connected
device is switched off.
plugged into the unit power outlet
on the Silent TS.
Silent
TS (Sec. 1.4).
No satisfactory setting
of the automatic start
feature can be adjusted.
strong signal for the automatic
start feature.

- 9 -
Error Possible cause Corrective action
up when the unit is
switched on.
open.
required.
Information for Operators
The following information is intended to assist you,
the operator, in safely working with the Silent TS in
your laboratory.
Using these operating instructions as a
starting point, instruct all operators of the
unit with regard to the area of application,
the possible hazards during operation, and
the proper operation of the dust extractor.
Please have these operating instructions readily
available for the operators.
A.Application Area
The Silent TS-
tract dusts such as occur in laboratories, e.g., dental
labs.
It is solely intended for commercial use in laboratories
and not for private, household use.
The Silent TS can be operated both manually as well
-
ating equipment.
It is possible to connect one or two suction points
connected with a Y-adapter which is available as an
In order to protect the health of persons
working in a dental laboratory, the law re-
quires that specialised dust extractors must
be used.
National regulations state the MAK value
- maximum concentration of suspended
particles in the air.
Find out about the legal national threshold
value and the type of dust generated in
your laboratory.
A.1 Proper Use
-
sive dusts.
-
Silent TS.
materials is prohibited.
shall not be liable for any damages resulting from any
such other use.
operating, servicing and preventive maintenance
A.2 Ambient Conditions
(in accordance with DIN EN 61010-1)
The unit may only be operated:
-
proportionally in order to ensure operational readiness (e.g., at
The unit may not be operated at temperatures above 40°C
B.Hazard and Warning
Information
Only intended for indoor use. The unit is
only designed for dry applications and may
not be operated or stored outdoors or
under wet conditions.
The Silent TS laboratory dust extractor is an
electric device and, as such, carries with it
a certain inherent potential hazard. The unit
may not be taken into service until any re-
quired alterations to comply with regionally
been made. Such alterations may only be
The unit may only be operated if the infor-
mation on the nameplate conforms with the
supply.

- 10 -
The mains socket on the unit is only de-
Operating Instructions. Connecting other
devices may cause material damage.
Before connecting another device, turn off
both the dust extractor and the other de-
vice.
Read the operating instructions of the other
device and comply with the safety instruc-
tions contained in the document.
Please observe the national regulations and
permitted exposure to dust in a working
environment.
Please note EN 60335-2-69, Appendix AA,
or initiate appropriate enquiries with your
trade association or the responsible
authorities.
When extracting hazardous materials,
always refer to the relevant safety data
sheets.
Always wear protective gear when extract-
ing hazardous materials.
It is necessary to wear suitable, personal
protective equipment when emptying the
dust bag or cleaning, depending on the type
of extracted material.
Regularly inspect connecting lines and
hoses (e.g., the power cord) for damage
(e.g., kinks, cracks, porosity) or signs of
aging.
Units exhibiting damaged connecting lines,
hoses, or other defects must be taken out
of service immediately.
Always unplug the unit from the wall outlet
before beginning any work on the unit’s
electrical components.
Never operate the unit without the complete
Make sure the dust drawer is fully closed
during extraction.
Never operate the unit without the suction
hose.
-
sive gases, vapours, dusts.
Never extract liquids.
Never extract hot materials.
The unit may not be operated without
supervision.
All required tools must be appropriately
cleaned prior to use when the unit is
employed for medical purposes or in con-
junction with medicinal materials.
If the dust extractor is employed to extract
hazardous materials, appropriate personal
protective gear must be worn and steps
must be taken to ensure that the exhaust
air is properly ventilated. Please refer to the
requirements.
Spare parts and accessories.
The use of other than OEM spare parts and
accessories may be an impediment to the
safety of the unit.
Use OEM spare parts and accessories sup-
plied by Renfert GmbH only.
Environmentally hazardous extraction sub-
stances.
Extracted substances may be a risk to the
environment.
Dispose of extracted material according to
local statutory regulations.
C.Authorised Individuals
service the Silent TS.
Minors or pregnant women may only operate and
service the Silent TS if they are wearing appropriate
protective gear, particularly if the unit is being used to
-
ing instructions, in particular the inspection of the suc-
tion turbine outside the unit, may only be performed
D.Preparations Prior to
Starting
D.1 Connecting the Dust
Extractor
The unit is supplied with a power cord and two-con-
-
tion).
The unit may not be taken into service until any
Such alterations may only be performed by a quali-
The unit may only be connected to wall outlets con-
nected to a ground circuit system.
Before operating the unit, make sure the voltage in-
formation on the nameplate corresponds to your local
power supply.

- 11 -
D.2 Connecting a Dust-
Generating Device
The unit is equipped with a power outlet on the back,
designed for a two-contact plug with a ground contact
which dust-generating equipment can be connected
A suitable plug is supplied for units with a nomi-
nal voltage of 230V and plug socket according to
This adapter may only be made by a quali-
The adapter must not interrupt the ground
circuit system!
E. Repairs
-
cians or authorized dealers.
-
tective gear may need to be worn during repairs.
F. Disposal Information
F.1 Disposing of Consumables
-
-
ance with locally applicable regulations.
-
tective gear may need to be worn during disposal.
F.2 Disposing of the Unit
The unit must be disposed of by an authorized recy-
of all possibly health-hazardous residues in the unit.
F.3 Disposal instructions for
countries in the EU
To conserve and protect the environment, prevent
environmental pollution and improve the recycling of
raw materials, the European Commission adopted
a directive that requires the manufacturer to accept
the return of electrical and electronic units for proper
disposal or recycling.
Within the European Union units with this symbol
should not therefore be disposed of in unsorted do-
mestic waste:
For more information regarding proper disposal ple-
ase apply at your local authorities.
Mains voltage: 230 V, 50/60 Hz
100-120 V, 50/60 Hz
1400 W (120 V )
1000 W (100 V)
connecting value: 2000 W (230 V)
360 W (120 V)
500 W (100 V)
Total connected power: 3400 W (230 V)
1800 W (120 V)
1500 W (100V)
Sound pressure level in accord. with
2900 l/min (100 V)
Dimensions
H.Liability Exclusion
Renfert GmbH shall be absolved from all claims for
damages or warranty if:
other than those cited in the operating
instructions;
those alterations described in the operating
instructions;
authorized facility or if any but Renfert OEM
parts are employed;
obvious safety faults or damage;
impacts or is dropped.

- 12 -
We reserve the right to make technical changes.
I. Warranty
A Guarantee on the Silent TS motor for
800 working hours (Motor running time).
Provided the unit is properly used, Renfert warrants
the all components of the Silent TS laboratory dust
3 years.
Warranty claims may only be made upon presenta-
tion of the original sales receipt from the authorized
dealer.
-
from this warranty.
The warranty is voided in case of improper use; fail-
ure to observe the operating, cleaning, maintenance,
and connection instructions; in case of independent
repairs or repairs by unauthorized personnel; if spare
parts from other manufacturers are employed, or; in
-
pliance with the utilization instructions.
-
ranty.
This manual suits for next models
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