EKOM Duo Používateľská príručka

Kategória
Elektrické sušičky bielizne
Typ
Používateľská príručka

Táto príručka je tiež vhodná pre

DUO
DUO 2V, DUO 2
User manual
EN
Manuel de l’utilisateur
FR
Руководство пользователя
RU
Instrukcja obsługi
PL
Návod na použitie
SK
Návod k použití
CS
Benutzerhandbuch
DE
N
COMPRESSOR
KOMPRESSOR
COMPRESSEUR
КОМПРЕССОР
SPRĘŻARKA
KOMPRESOR
DUO
DUO 2V, DUO 2
EKOM spol. s r. o.
Priemyselná 5031/18
SK-921 01 Piešťany
Slovak Republic
tel.: +421 33 7967255
fax: +421 33 7967223
www.ekom.sk
email: ekom@ekom.sk
DATE OF LAST REVISION
DATUM DER LETZTEN ÜBERARBEITUNG
DATE DE LA DERNIÈRE RÉVISION
ДАТА ПОСЛЕДНЕЙ РЕДАКЦИИ
DATA OSTATNIEJ AKTUALIZACJI
DÁTUM POSLEDNEJ REVÍZIE
DATUM POSLEDNÍ REVIZE
11/2023
NP-DUO-17_11-2023-MD
112000355-000
CONTENTS ................................................................................ 5
INHALT ....................................................................................... 46
TABLES DES MATIÈRES .......................................................... 88
ОГЛАВЛЕНИЕ ........................................................................... 130
SPIS TREŚCI .............................................................................. 174
OBSAH ....................................................................................... 216
OBSAH ....................................................................................... 258
DUO, DUO 2V, DUO 2
11/2023 - 5 - NP-DUO-17_11-2023-MD
CONTENTS
IMPORTANT INFORMATION .................................................................................................... 6
1. CONFORMITY WITH THE REQUIREMENTS OF EUROPEAN UNION DIRECTIVES ...... 6
2. INTENDED USE................................................................................................................ 6
3. CONTRAINDICATIONS AND SIDE-EFFECTS ................................................................. 6
4. WARNINGS AND SYMBOLS ............................................................................................ 6
5. WARNINGS ...................................................................................................................... 7
6. STORAGE AND TRANSPORT ......................................................................................... 9
7. TECHNICAL DATA ......................................................................................................... 10
8. PRODUCT DESCRIPTION ............................................................................................. 16
9. PRODUCT FUNCTIONALITY ......................................................................................... 18
10. PNEUMATIC DIAGRAM .................................................................................................. 23
INSTALLATION ....................................................................................................................... 24
11. CONDITIONS FOR USE ................................................................................................. 24
12. PLACEMENT OF THE COMPRESSOR .......................................................................... 25
13. PNEUMATIC CONNECTIONS ........................................................................................ 28
14. ELECTRICAL CONNECTIONS ....................................................................................... 31
15. CONNECTION DIAGRAM ............................................................................................... 33
OPERATION ............................................................................................................................ 35
16. COMMISSIONING .......................................................................................................... 35
17. SWITCHING THE COMPRESSOR ON ........................................................................... 36
18. COMPRESSOR SHUT-DOWN ....................................................................................... 36
MAINTENANCE ....................................................................................................................... 37
19. DEVICE MAINTENANCE ................................................................................................ 37
TROUBLESHOOTING ............................................................................................................. 44
20. REPAIR SERVICE .......................................................................................................... 45
21. STORAGE ....................................................................................................................... 45
22. DISPOSAL OF THE DEVICE .......................................................................................... 45
ANNEX................................................................................................................................... 300
23. INSTALLATION RECORD ............................................................................................ 300
DUO, DUO 2V, DUO 2
NP-DUO-17_11-2023-MD - 6 - 11/2023
IMPORTANT INFORMATION
1. CONFORMITY WITH THE REQUIREMENTS OF EUROPEAN UNION DIRECTIVES
This product conforms to the requirements of the Medical Device Directive (93/42/EEC), and is
safe for the intended use if all safety instructions are followed.
2. INTENDED USE
The compressor and suction unit is used as a source of clean, oil-free compressed air to power
and cool compressed air devices on dental sets, and as a source of vacuum for suction systems.
The device can be used with all types of dental sets equipped with a suction block.
Compressed air supplied by the compressor is unsuitable for use with artificial
lung ventilation devices without further filtration.
Any other use of the product beyond its intended use is considered an incorrect use. The
manufacturer is not liable for any damages or injuries resulting from the incorrect use.
3. CONTRAINDICATIONS AND SIDE-EFFECTS
There are no contraindications or side-effects known.
4. WARNINGS AND SYMBOLS
The following symbols are used in the user manual, device and its packaging to denote important
details and information:
General warnings
Warning
Danger, electric shock hazard
Refer to instruction manual
CE-marking
Medical device
Serial number
Article number
Unique Device Identifier
Compressor is controlled automatically and may start without warning
DUO, DUO 2V, DUO 2
11/2023 - 7 - NP-DUO-17_11-2023-MD
Caution! Hot surface
Ground connection
Terminal for ground connection
Handling mark on package FRAGILE
Handling mark on package THIS SIDE UP
Handling mark on package KEEP DRY
Handling mark on package TEMPERATURE LIMITATIONS
Handling mark on package LIMITED STACKING
Mark on package RECYCLABLE MATERIAL
Manufacturer
Danger of biological hazard
5. WARNINGS
The product is designed and manufactured to be safe for the user and the surrounding
environment when used in the defined manner. Keep the following warnings in mind.
5.1. General warnings
READTHE USER MANUAL CAREFULLY BEFORE USING THE DEVICE AND KEEPIT FOR
FUTURE USE!
The user manual supports the correct installation, operation and maintenance of the product.
Careful review of this manual will provide the information necessary for the correct operation of
the product for its intended use.
Original packaging should be retained for the return of the device. Only the original packaging
ensures protection of the device during transport. If it is necessary to return the product during
the warranty period, the manufacturer is not liable for damages caused by improper packaging.
This warranty does not cover damages originating from the use of accessories other than those
specified or recommended by the manufacturer.
The manufacturer only guarantees the safety, reliability and function of the device if:
- installation, new settings, changes, expansion, and repairs are performed by the
manufacturer or an organisation authorised by the manufacturer.
- the product is used pursuant to the user manual.
DUO, DUO 2V, DUO 2
NP-DUO-17_11-2023-MD - 8 - 11/2023
The user manual corresponds to the configuration of the product and its compliance with the
applicable safety and technical standards at the time of printing. The manufacturer reserves all
rights for the protection of its configuration, methods and names.
This user manual is the original instructions. Translation is performed in accordance with the
best available knowledge.
5.2. General safety warnings
The manufacturer designed and manufactured the product to minimise all risks when used
correctly for the intended use. The manufacturer considers it its obligation to lay down the following
general safety precautions.
Use and operation of the product must comply with all laws and local regulations valid in the
place of use. The operator and user are responsible for following all the appropriate regulations
in the interests of performing work safely.
Only the use of original parts guarantees the safety of operating personnel and the flawless
operation of the product itself. Only the accessories and parts mentioned in the technical
documentation or expressly approved by the manufacturer should be used.
The operator must ensure that the device is functioning correctly and safely before every use.
The user must be familiar with the operation of the device.
Do not use the product in environments with a risk of explosion.
The user must inform the supplier immediately if any problem directly related to the operation of
the device occurs.
5.3. Safety warnings on protection from electric current
The device must only be connected to a properly installed, earthed socket.
Before the product is plugged in, ensure that the mains voltage and frequency stated on the
product are in compliance with thevalues of the mains.
Prior to putting the device into operation check for any damage to the connected pneumatic
lines and electrical wiring. Replace damaged pneumatic lines and electrical wiringsimmediately.
Immediately disconnect the product from the mains (remove power cord from the socket) in
hazardous situations or in the case of a technical malfunction.
During all repairs and maintenance, ensure that:
- the mains plug is removed from the power socket
- pressure is vented from the air tank and pipes
The product shall only be installed by a qualified technician.
DUO, DUO 2V, DUO 2
11/2023 - 9 - NP-DUO-17_11-2023-MD
6. STORAGE AND TRANSPORT
The compressor is shipped from the factory in a transport packaging. This protects the device from
damage during transport.
The original compressor packaging must be used for transport whenever
possible. Transport the compressor in an upright position, always secured with
transport fixation.
Protect the compressor from moisture, dirt and extreme temperatures during transport
and storage. Store the compressor in its original packaging in a warm, dry, and dust-
free area. Do not store near any chemical substances.
Keep the packaging material, if possible. If not, please dispose of the packaging
material in an environmentally-friendly way. Packaging cardboard can be recycled with
old paper.
The compressor may only be transported when all air pressure has been vented.
Before moving or transporting the compressor, release all air pressure from the
tank and hoses and drain condensate from the air tank.
Storing or shipping the equipment in any conditions other than those specified
below is prohibited.
Ambient conditions for storage and transport
Products may only be stored and transported in vehicles that are free of any traces of volatile
chemicals under the following conditions:
Temperature
–25°C to +55°C, 24 h at up to +70°C
Relative humidity
max. 90% (non-condensing)
DUO, DUO 2V, DUO 2
NP-DUO-17_11-2023-MD - 10 - 11/2023
7. TECHNICAL DATA
Compressors are designed for dry and ventilated indoor environments with the following
conditions:
Temperature
+5°C to +40°C
Relative humidity
max. 70%
DUO
DUO/M
Compressor 6 8 bar
DK50 PLUS
DK50 PLUS/M
Suction unit
1
1
Nominal voltage / frequency (*)
V / Hz
230 / 50
230 / 60
230 / 50
230 / 60
Performance
at 6 bar
Lit.min-1
70
80
60
70
Working pressure (**)
bar
6.0 8.0
6.0 8.0
Suction unit capacity at 5 kPa
Lit.min-1
800
800
Suction unit vacuum, max.
kPa
12
12
Max. current
A
7.0
8.0
7.2
8.1
Compressor motor rating
kW
0.55
0.55
Air tank volume
Lit.
25
25
Air quality filtration
m
-
0.1
Maximum operating pressure of safety valve
bar
11.0
11.0
Noise level at 5 bar
LpfA [dB]
47
50
47
50
Duty cycle
S1-100%
S1-100%
PDP drying performance at 7 bar
-
+3°C
Time to fill air tank from 0 to 7 bar
s
149
126
198
159
Dimensions (net)
w x d x h
mm
560x684x1251
560x684x1251
Net weight (***)
kg
114
119
Classification under EN 60601-1
Class I.
Classification pursuant to MDD 93/42 EEC,2007/47 EC
IIa
Notes:
(*) When ordering, state the version of the compressor
(**) For other range of pressure:consult with the supplier
(***) Information about the weight is for informative purposes only and applies to the product without any
additional accessories.
DUO, DUO 2V, DUO 2
11/2023 - 11 - NP-DUO-17_11-2023-MD
Dependence of compressor output on working pressure
DUO, DUO 2V, DUO 2
NP-DUO-17_11-2023-MD - 12 - 11/2023
DUO 2V
DUO 2V/M
DUO 2
DUO 2/M
Compressor 6 8 bar
DK50 2V
DK50 2V/M
DK50 2V
DK50 2V/M
Suction unit
1
1
2
2
Nominal voltage / frequency (*)
V / Hz
230 / 50
230 / 60
230 / 50
230 / 60
230 / 50
230 / 60
230 / 50
230 / 60
Performance
at 6 bar
Lit.min-1
135
104
135
104
Working pressure (**)
bar
6.0 8.0
6.0 8.0
6.0 8.0
6.0 8.0
Suction unit capacity at 5 kPa
Lit.min-1
800
800
2x800
2x800
Suction unit vacuum, max.
kPa
12
12
12
12
Max. current
A
11.8
12.5
12.0
12.7
14.8
15.4
15.0
15.6
Compressor motor rating
kW
1.2
1.2
1.2
1.2
Air tank volume
Lit.
25
25
25
25
Air quality filtration
m
-
0.1
-
0.1
Maximum operating pressure of
safety valve
bar
11.0
11.0
11.0
11.0
Noise level at 5 bar
LpfA [dB]
51.5
55.0
51.5
55.0
Operating mode
S1-100%
S1-100%
S1-100%
S1-100%
PDP drying performance at 7 bar
-
+3°C
-
+3°C
Time to fill air tank from 0 to 7
bar
s
61
78
61
78
Dimensions (net)
w x d x h
mm
560x684x1251
560x684x1251
560x684x1251
560x684x1251
Net weight (***)
kg
121
126
133
138
Classification under EN 60601-1
Class I.
Classification pursuant to MDD 93/42
EEC,2007/47 EC
IIa
Notes:
(*) When ordering, state the version of the compressor
(**) For other range of pressure:consult with the supplier
(***) Information about the weight is for informative purposes only and applies to the product without any
additional accessories.
Dependence of compressor output on working pressure
DUO, DUO 2V, DUO 2
11/2023 - 13 - NP-DUO-17_11-2023-MD
7.1. Free air delivery (FAD) correction due to elevation
Capacity given in the form of FAD („Free Air Delivery“) applies to the following conditions:
Altitude
0 m.n.m.
Temperature
20°C
Atmospheric pressure
101325 Pa
Relative humidity
0%
To calculate FAD compressor capacity in dependence on altitude, it is necessary to apply
correction factor according to the following table:
Altitude [m.n.m.]
0 -1500
1501 - 2500
2501 - 3500
3501 - 4500
FAD correction factor
1
0.80
0.71
0.60
7.2. Electromagnetic compatibility declaration
Medical equipment needs special precautions regarding electromagnetic compatibility (EMC) and
needs to be installed and put into service according to the EMC information provided below.
Guidance and manufacturer's declaration - electromagnetic emissions
Pursuant to IEC 60601-1-2:2014 - Medical electrical equipment - Part 1-2: General requirements for
basic safety and essential performance - Collateral Standard: Electromagnetic disturbances
The equipment is intended for use in the electromagnetic environment specified below. The customer or the
user of the equipment should assure that it is used in such an environment.
Emissions test
Compliance
Electromagnetic environment - guidance
RF emissions CISPR 11
Group 1
The equipment uses RF energy only for its
internal functions. Therefore, the RF emissions
are very low and are not likely to cause any
interference in nearby electronic equipment.
RF emissions CISPR 11
Class B
The equipment is suitable for use in all
establishments, including domestic
establishments and those directly connected to
the public low voltage power supply
network that supplies buildings used for domestic
purposes.
Harmonic emissions IEC
61000-3-2
Class A
Voltage fluctuations/ flicker
emissions IEC 61000-3-3
The equipment is not likely
to cause any flicker, as the
current flow is approx.
constant after the start up.
DUO, DUO 2V, DUO 2
NP-DUO-17_11-2023-MD - 14 - 11/2023
Guidance and manufacturer's declaration - electromagnetic immunity
Pursuant to IEC 60601-1-2:2014 - Medical electrical equipment - Part 1-2: General requirements for
basic safety and essential performance - Collateral Standard: Electromagnetic disturbances
The equipment is intended for use in the electromagnetic environment specified below. The customer or the
user of the equipment should assure that it is used in such an environment.
Immunity test
IEC 60601-1-2
test level
Compliance level
Electromagnetic environment -
guidance
Electrostatic
discharge (ESD)
IEC 61000-4-2
±8 kV contact
±15 kV air
±8 kV contact
±15 kV air
Floors should be wood, concrete
or ceramic tile. If floors are covered with
synthetic material, the relative humidity
should be at least 30%.
Electrical fast
transient/burst
IEC 61000-4-4
±2 kV for power
supply
lines
±1 kV for
input/output lines
±2 kV
100 kHz repetition
frequency
Applied to mains
connection
Mains power quality should be
that of a typical commercial or hospital
environment.
Surge
IEC 61000-4-5
±1 kV differential
mode
±2 kV common
mode
±1 kV L-N
±2 kV L-PE; N-PE
Applied to mains
connection
Mains power quality should be that of a
typical commercial or hospital
environment.
Voltage dips,
short interruption,
and voltage
variations on
power
supply
input lines IEC
60601-4-11
UT=0%, 0,5 cycle
(at 0, 45, 90, 135,
180, 225, 270 and
315°)
UT=0%, 1 cycle
UT=70% 25/30
cycles (at 0°)
UT=0%, 250/300
cycles
UT=>95%, 0,5 cycle
(at 0, 45, 90, 135, 180,
225, 270 and 315°)
UT=>95%, 1 cycle
UT=70% (30% dipp UT),
25(50Hz)/30(60Hz)
cycles (at 0°)
UT=>95%,
250(50Hz)/300(60Hz)
cycle
Mains power quality should be
that of a typical commercial or hospital
environment.
The device stops and restarts
automatically at each dip. In this case
does not occur unacceptable pressure
drop.
Power frequency
(50/60 Hz)
IEC 61000-4-8
N/A
N/A
The equipment does not contain
magnetically sensitive components or
circuits.
NOTE: UT is the A.C. mains voltage prior to application of the test level.
DUO, DUO 2V, DUO 2
11/2023 - 15 - NP-DUO-17_11-2023-MD
Guidance and manufacturer's declaration - electromagnetic immunity
Pursuant to IEC 60601-1-2:2014 - Medical electrical equipment - Part 1-2: General requirements for
basic safety and essential performance - Collateral Standard: Electromagnetic disturbances
The equipment is intended for use in the electromagnetic environment specified below. The customer or the
user of the equipment should assure that it is used in such an environment.
Immunity test
IEC 60601-1-2 test
level
Compliance level
Electromagnetic environment - guidance
Conducted RF
IEC 61000-4-6
Radiated RF
IEC 61000-4-3
Proximity fields
from RF wireless
communications
equipment
IEC 61000-4-3
3 Vrms
150 kHz to 80MHz
3 V/m
80 MHz to 2,7 GHz
9 to 28 V/m
15 specific
frequencies
(380 to 5800 MHz)
3 Vrms
3 V/m
9 to 28 V/m
15 specific
frequencies
(380 to 5800 MHz)
Portable and mobile RF communications
equipment should be used no closer to any
part of the equipment, including cables, than
the recommended separation distance
calculated from the equation applicable to
the frequency of the transmitter.
Recommended separation distance
d=1,2√ P
d=1,2√ P, 80 MHz to 800 MHz
d=2,3√ P, 800 MHz to 2,7 GHz
where P is the maximum output power
rating of the transmitter in watts (W)
according to the transmitter manufacturer
and d is the recommended separation dis-
tance in metres (m).
Field strengths from fixed RF transmitters,
as determined by an electromagnetic site
survey a, should be less than the compliance
level in each frequency range b. Interference
may occur in the vicinity of equipment
marked with the following symbol:
NOTE 1 At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected
by absorption and reflection from structures, objects and people.
a Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless)
telephones and land mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast
cannot be predicted theoretically with accuracy. To assess the electromagnetic environment due to
fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field
strength in the location in which the equipment is used exceeds the applicable RF compliance level
above, the equipment should be observed to verify normal operation. If abnormal performance is
observed, additional measures may be necessary, such as re-orienting or relocating the
equipment.
b Over the frequency range 150 kHz to 80 kHz, field strengths should be less than 3 V/m.
DUO, DUO 2V, DUO 2
NP-DUO-17_11-2023-MD - 16 - 11/2023
8. PRODUCT DESCRIPTION
8.1. Variants
Compressor models are designed in the following variants:
DUO
This model is used for dental set models equipped with a suction block and designed
for installation directly in the office
DUO 2
Models designed to operate with dental equipment sets equipped with a suction
block. They are designed to supply two such dental equipment sets, i.e. two
workstations
DUO 2V
Models designed to operate with dental equipment sets equipped with a suction
block. They are designed to supply sets that use higher quantities of compressed air
DUO/M
Identical to the DUO model, but equipped with a membrane dryer
DUO 2V/M
Identical to the DUO 2V model, but equipped with a membrane dryer
DUO 2/M
Identical to the DUO 2 model, but equipped with a membrane dryer
DUO
DUO 2V
DUO 2
8.2. Accessories
Accessoriesnot included in the standard order must be ordered separately!
8.2.1. Automatic condensate drain
The automatic condensate drain (AOK) automatically drains condensate from the compressor’s air
tank based on a pre-set time interval. The condensate drain (AOK) is a suitable accessory for
compressor models without dryers.
8.2.1. Set of compressed air outlet filters
The compressor may be equipped with a set of filters if specified. The filter set may be equipped
with an air pressure regulator.
Where a different level of air filtration is required, this requirement must be
agreed upon with the supplier and specified in the order.
Type
Use
Article number
AOK 11
DK50 PLUS,DK50 2V
447000001-047
DUO, DUO 2V, DUO 2
11/2023 - 17 - NP-DUO-17_11-2023-MD
Type
Use
Level of filtration (µm)
Article number
FS 30F
DK50 PLUS
Dk50 PLUS/M
DK50 2V
DK50 2V/M
1
604014119-014
FS 30M
1+0.1
604014119-015
FS 30S
1+0.01
604014119-017
FS 30A
1+0.01+A**
604014119-018
**) A submicrofilter with activated carbon
8.2.2. Filter set regulator assembly
The compressor may be equipped with a pressure regulator of the compressed air outlet if
specified. The regulator must be selected according to the application to the filter set, or separately
The regulator shall ensure constant pressure at the outlet.
Type
Use
Article number
Regulator complete
(to the filter assembly)
DK50 PLUS, DK50 PLUS/M
DK50 2V, DK50 2V/M
604014130-000
REG11 (separate)
447000001-077
8.2.3. Filter set brackets
A suitable bracket must be ordered for every filter set.
8.2.4. Condensation and filtration unit
The compressor may be additionally fitted with a condensation and filtration unit (KJF-1, KJF-2 or
KJFR-1). The KJF-1, KJF-2 or KJFR-1 ensure that the compressed air from the air tank is cooled
in the cooler and the condensate is captured in the filter and automatically separated from the
pneumatic distribution system. The compressed air is filtered at the same time.
Type
Use
Level of filtration /µm/
Pressure regulator
Article number
KJF-1
DK50 PLUS
DK50 2V
5
no
450001011-001
KJFR-1
yes
450001011-002
KJF-2
no
450001021-001
8.2.5. Noise silencer
The noise silencer, with and without a filter, dampens the “whistling” noise caused by the suction
pump impeller. Total noise reduction during suction unit operation is up to 4 dB.
Noise silencer with a filter - a bacteriological filter is provided, making it suitable for installation
directly in the office.
Wall-mounted noise silencer - specifically designed for wall-mounted installation.
Wall-mounted noise silencer with a filter - specifically designed for wall-mounted installation and
equipped with a bacteriological filter.
Type
Use
Article number
Compressor-mounted
bracket
DK50 PLUS, DK50 PLUS/M
DK50 2V, DK50 2V/M
603014134-000
DUO, DUO 2V, DUO 2
NP-DUO-17_11-2023-MD - 18 - 11/2023
8.2.6. Equipotential bonding socket
The socket allows an equipotential bonding. (Fig.10)
9. PRODUCT FUNCTIONALITY
Compressor with suction unit(Fig. 1)
The air pump (1) draws in atmospheric air through an inlet filter (8) and compresses it through
a non-return valve (3) into an air tank (2) from which the device draws compressed air. If the
pressure in the air tank drops to the switch-on pressure, the pressure switch (4) turns on the
compressor and the compressor supplies compressed air into the air tank until it reaches the
switch-off pressure, when the compressor switches off. The pressure hose is vented through the
relief solenoid valve (13) once the air pumpis shut off. The safety valve (5) prevents the pressure in
the air tank from rising above the maximum allowed value. The drain valve (7) drains condensate
from the air tank. Compressed, oil-free filtered air is stored in the air tank ready for use.
Condensate must be drained from the air tank at regular intervals (see Chapter 19.1).
The suction pump (36) (two aggregates on DUO2) draws in air, thereby creating vacuum in the
suction lines that are connected to the device and is a source of vacuum for removing foreign
substances from the doctor’s work area. This air is then exhausted through an exhaust line routed
outside the operator's work area.
Compressor with suction unitand membrane dryer (Fig. 2)
The air pump (1) draws in air through an inlet filter (8) and compresses it, feeding it to the cooler
(14) through the filter (15) and the check valve (3) into the dryer (9), and feeds the clean and dry
air into the air tank (2). A part of the air is released from the dryer with the captured moisture,
which is manifested as a light air stream along the body of the dryer (9). Condensate from the filter
is automatically drained at regular intervals into the collecting bottle via the condensate drain
solenoid valve (16). The dryer ensures continuous drying of the compressed air. The drain valve
(7) drains condensate from the air tank when drying performance is checked. Compressed, oil-free
filtered air is stored in the air tank ready for use.
For the membrane dryer to work as intended, the dryer is connected directly to the air tank without
the use of a check valve. As the membrane dryer contains selective membrane fibres, there is a
small amount of air leakage through them (about 0.5 bar/30 min).
As a result, there is a gradual, slow drop in pressure even when there is no demand for
compressed air (from the air tank), however, this is not a malfunction.
The pressure vessel does not need to be drained.
The suction pump (36) (two aggregates on DUO2) draws in air, thereby creating vacuum in the
suction lines that are connected to the device and is a source of vacuum for removing foreign
Type
Variant
Use
Kit article no.
DS2
wall-mounted, no bacteriological filter
DUO, DUO 2V, DUO2
451000Z01-004
DS2
wall-mounted, with a bacteriological filter
451000Z01-005
DS4
with a bacteriological filter
DUO,DUO 2V
451000Z01-006
DS5
with a bacteriological filter
DUO2
451000Z01-007
DS6
no bacteriological filter
DUO,DUO 2V
451000Z01-008
DS7
no bacteriological filter
DUO2
451000Z01-009
Type
Use
Name
Article no.
POAG-KBT6-EC
DUO, DUO 2V, DUO2
Zásuvka
033400075-000
FLEXI-S/POAG-HK6
Vodič (1 m)
034110083-000
DUO, DUO 2V, DUO 2
11/2023 - 19 - NP-DUO-17_11-2023-MD
substances from the doctor’s work area. This air is then exhausted through an exhaust line routed
outside the operator's work area.
Compressor cabinet(Fig.3)
The soundproof cabinetprovides compact covering of the compressor, allowing sufficient exchange
of cooling air. With its design It can be placed in a dentist’s office as apart of furniture. The fan
under the air pump of a compressor provides cooling of compressor and it is in operation at the
same time with an engine of the compressor. After prolonged use the temperature in the cabinet
may rise above 40°C, causing the cooling fan blower to automatically turn on. After cooling the
cabinet area down to 32°C the fan blower turns off automatically. Door of the casing with right
opening may be changed to left opening (see Chapter 12.2).
Make sure that nothing impedes the free flow of air under and around the
compressor. Never cover the hot air outlet on the top back side of the cabinet.
If placing the compressor on a soft floor such as carpet, create space for
ventilation between the base and floor or the cabinet and floor, e.g. underpin the
footings with hard pads.
Description for Figures 1- 3
1. Air pump
2. Air tank
3. Non-return valve
4. Pressure switch
5. Safety valve
6. Pressure gauge
7. Drain valve
8. Inlet filter
9. Dryer
10. -
11. -
12. -
13. Solenoid valve
14. Dryer cooler
15. Filter
16. Condensate drain solenoid valve
17. Compressed air outlet
18. Circuit breaker switch
19. Bottle
20. Magnetic holder
21. Fan
22. Cabinet fan
23. Door pin
24. Rectifying screw
25. Lock
26. Supporting bracket
27. Wall stop
28. Switch
29. Pressure gauge
30. Door hinge
31. Handle
32. Casters
33. Pressure gauge hose
34. Socket
35. Suction unit switching block
36. Suction unit
DUO, DUO 2V, DUO 2
NP-DUO-17_11-2023-MD - 20 - 11/2023
Fig.1 - DUO - Compressor with suction unit
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