EKOM DK50 4x2VT/M, DK50 6x2VT/M User Manual
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User ma
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November 2018
Z_2364/2018
Chap. 7 -pgs. 8,9,10
COMPRESSOR
DK50 4x2VT/M
DK50 6x2VT/M
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
11/2018
NP-DK50-Nx2VT-M-EN-3_11-
2018
112000381-0001
DK50 4x2VT/M
DK50 6x2VT/M
NP-DK50-Nx2VT-M-EN-3_11-2018 - 4 - 11/2018
CONTENTS
IMPORTANT INFORMATION .......................................................................................................... 5
1. CONFORMITY WITH REQUIREMENTS IN EUROPEAN UNION DIRECTIVES ................ 5
2. INTENDED USE ................................................................................................................... 5
3. CONTRAINDICATIONS AND SIDE-EFFECTS .................................................................... 5
4. WARNINGS AND SYMBOLS ............................................................................................... 5
5. WARNINGS .......................................................................................................................... 6
6. STORAGE AND TRANSPORT ............................................................................................ 7
7. TECHNICAL DATA ............................................................................................................... 8
8. PRODUCT DESCRIPTION ................................................................................................ 10
9. PRODUCT FUNCTIONALITY ............................................................................................ 12
10. PNEUMATIC DIAGRAM .................................................................................................... 14
INSTALLATION .............................................................................................................................. 15
11. CONDITIONS FOR USE .................................................................................................... 15
12. PLACEMENT OF THE COMPRESSOR ............................................................................ 16
13. PNEUMATIC CONNECTIONS ........................................................................................... 17
14. ELECTRICAL CONNECTIONS .......................................................................................... 18
OBSLUHA ...................................................................................................................................... 19
15. COMMISSIONING .............................................................................................................. 19
16. SWITCHING THE COMPRESSOR ON ............................................................................. 19
17. COMPRESSOR SHUT-DOWN .......................................................................................... 22
MAINTENANCE ............................................................................................................................. 22
18. DEVICE MAINTENANCE ................................................................................................... 22
TROUBLESHOOTING AND REMEDYING PROBLEMS ............................................................... 29
19. SOLVING COMMON PROBLEMS ..................................................................................... 30
20. REPAIR SERVICE ............................................................................................................. 32
21. DISPOSAL OF THE DEVICE ............................................................................................. 32
22. INSTALLATION RECORD ................................................................................................. 32
DK50 4x2VT/M
DK50 6x2VT/M
11/2018 - 5 - NP-DK50-Nx2VT-M-EN-3_11-2018
IMPORTANT INFORMATION
1. CONFORMITY WITH REQUIREMENTS IN EUROPEAN UNION DIRECTIVES
This product conforms to the requirements of
the MDD93/42/EEC and 2006/42/EEC
directives and is safe for its intended use if all
safety instructions are followed.
2. INTENDED USE
The compressor is used as a central source of
clean, oil-free compressed air to power
individual devices and equipment with
compressed air used in large dental clinics
and laboratories, in hospital wards and in
other settings where the parameters and
properties of the compressed air are suitable
for the specific application.
The compressed air supplied by
the compressor is unsuitable for
use with artificial lung ventilation
devices without further filtration.
Any use of the product outside the framework
of its intended use is considered improper
use. The manufacturer is not liable for any
damages or injury resulting from misuse.
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
Danger, electric shock hazard
Read the user manual!
CE-marking
Compressor is controlled
automatically and may start without
warning
Caution! Hot surface
Ground connection
Terminal for ground connection
Alternating current
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
DK50 4x2VT/M
DK50 6x2VT/M
NP-DK50-Nx2VT-M-EN-3_11-2018 - 6 - 11/2018
5. WARNINGS
The product is designed and manufactured to
be safe for the user and its surrounding
environment when used in the defined
manner. Keep the following warnings in mind.
This keeps risks to a minimum.
5.1. General warnings
READ THE USER MANUAL CAREFULLY
BEFORE USING THE DEVICE AND KEEP IT
FOR FUTURE USE!
The user manual aids in the correct
installation, operation and maintenance of
the product. It is included with the product
and must be kept close to it at all times.
Careful review of this manual will provide
the information necessary for the intended
use and correct operation of the product.
Only the original packaging ensures the
protection of the equipment during
transport. Save this packaging should you
ever have to return the equipment. The
manufacturer is not liable for damages
caused by faulty packaging when returning
a product for transport during the warranty
period.
Use a fork lift truck or similar hoisting
equipment for any movement or handling of
the product.
This warranty does not cover damages
originating from the use of accessories or
consumables other than those specified or
suggested by the manufacturer.
The manufacturer only guarantees the
safety, reliability and function of the
equipment if:
installation, new settings, changes,
modifications and repairs are performed
by the manufacturer or its
representative, or a service provider
authorized by the manufacturer.
the product is used pursuant to the user
manual.
The user manual corresponds to the
configuration of the product and its
compliance with the applicable safety and
technical standards at the time of its
printing. The manufacturer reserves all
rights for the protection of its configuration,
methods and names.
The translation of the user manual is
performed in accordance with the best
available knowledge. The Slovak version is
to be used in the event of any
uncertainties.
5.2. General safety warnings
The manufacturer designed and manufactured
the product to mitigate all risks when used
correctly for the intended use. The
manufacturer considers it its duty to describe
the following general safety measures:
The use and operation of the product must
comply with all local codes and regulations.
The operator and user are responsible for
following all appropriate regulations in the
interests of performing work safely.
Only the use of original parts guarantees
the safety of the operating personnel and
the reliable operation of the product itself.
Only use accessories and parts mentioned
in the technical documentation or expressly
approved by the manufacturer.
The manufacturer assumes no liability for
any damages or other risks if any
accessories or parts other than those
mentioned in the technical documentation
or expressly approved by the manufacturer
are used. This warranty does not cover
damages originating from the use of
accessories or consumables other than
those specified or suggested by the
manufacturer.
The user must make sure that the
equipment is functioning correctly and
safely every time it is used.
The user/operator must be capable of
safely using and properly operating the
product. The user must be trained to
operate the product and must be
experienced.
Create operating regulations for the
persons operating the product
DK50 4x2VT/M
DK50 6x2VT/M
11/2018 - 7 - NP-DK50-Nx2VT-M-EN-3_11-2018
Wear hearing protection when starting the
product, during operation and any time it is
in operation.
Operating the product in operating
premises that may contain mixtures of
flammable gases or in areas that may
contain mixtures of particulate, such as
coal dust, is prohibited.
Attention, explosion hazard!
The use of the product in wet or damp
environments is prohibited.
The user must inform the supplier
immediately if any adverse event occurs
during the use of the equipment.
5.3. Safety warnings on protection from
electric current
The equipment may only be connected to a
properly installed socket connected to the
earth (grounded).
Before the product is plugged in, make
sure that the mains voltage and frequency
stated on the product are the same as the
power mains.
Check for possible damage to the product
and the connected air distribution system
before use. Replace damaged pneumatic
and electrical conductors immediately.
Immediately disconnect the product from
the mains in hazardous situations or when
a technical malfunction occurs.
During repairs and maintenance, ensure
that:
the product is disconnected from the
mains
the pressure is released from all
lines
Only the manufacturer, or a qualified
specialist trained by the manufacturer, may
install, modify or upgrade the product itself.
Only a qualified electrician may install
electrical components!
6. STORAGE AND TRANSPORT
The compressor is shipped from the
manufacturer in transport packaging. This
secures the equipment from damage during
transport.
The original compressor
packaging must be used for
transport whenever possible. The
compressor is shipped in a vertical
position and must be secured
using transport straps.
Protect the compressor from humid
and dirty environments and extreme
temperatures during transport and
storage. Compressors in the original
packaging may be stored 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 must be
transported only when all air has
been vented. Before moving or
transporting the compressor,
release all the air pressure from
the tank and hoses and drain the
condensed water.
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 : +0°C to +50°C,
Max. relative humidity.: 90%,
DK50 4x2VT/M
DK50 6x2VT/M
NP-DK50-Nx2VT-M-EN-3_11-2018 - 8 - 11/2018
7. TECHNICAL DATA
The compressors are designed for dry and
well-ventilated indoor environments with the
following conditions:
Temperature: +5°C to +40°C,
Max. relative humidity.: 70%,
Max. absolute humidity.: 15 g/m
3
.
Tab.1
Type
DK50 4x2VT/M DK50 6x2VT/M
Compressor output at 6 bar with dryer l/min 440 660
Voltage / frequency
V/Hz
3 x 400 / 50 3 x 400 / 50
Power (max.) A 14.5 22
Main circuit protection device rating A
50 50
Main electrical feeder mm2
10 10
Enclosure IP10 IP10
Air tank capacity l 220 330
Working pressure bar
6 8 6 8
Safety valve
bar 12 12
Noise level dB 73 74
Weight kg 330* 420*
Weight with dryer kg 360 450
Dimensions
(W x L x H)
mm 2315* x 1740 x 500 2315* x 1740 x 500
Dimensions with dryer
(W x L x H)
mm 2475** x 1740 x 500 2475** x 1740 x 500
Operating mode
S1 – 100% S1 – 100%
Dryer performance with refrigerated dryer
(M5) (PDP***)
+3°C +3°C
Time to fill air tank from 0 to 7 bar
s 50 50
Required cooling air changes in space
m
3
/h 1000 1500
Electrical class Class I.
Class I.
(*) - without the dryer
(**) - dimensions without accessories
(***) - apply the correction factor for the M5 dryer
DK50 4x2VT/M
DK50 6x2VT/M
11/2018 - 9 - NP-DK50-Nx2VT-M-EN-3_11-2018
Tab.2
Type
DK50 4x2VT/M DK50 6x2VT/M
Compressor output at 8 bar with dryer l/min 320 480
Voltage / frequency
V/Hz
3 x 400 / 50 3 x 400 / 50
Power (max.) A 15.5 25
Main circuit protection device rating A
50 50
Main electrical feeder mm2
10 10
Enclosure IP10 IP10
Air tank capacity l 220 330
Working pressure bar
810 810
Safety valve
bar 12 12
Noise level dB 73 74
Weight kg 330* 420*
Weight with dryer kg 360 450
Dimensions
(W x L x H)
mm 2315* x 1740 x 500 2315* x 1740 x 500
Dimensions with dryer
(W x L x H)
mm 2475** x 1740 x 500 2475** x 1740 x 500
Operating mode
S1 – 100% S1 – 100%
Dryer performance with refrigerated dryer
(M5) (PDP***)
+3°C +3°C
Time to fill air tank from 0 to 7 bar
s 50 50
Required cooling air changes in space
m
3
/h 1000 1500
Electrical class Class I.
Class I.
(*) - without the dryer
(**) - dimensions without accessories
(***) - apply the correction factor for the M5 dryer
7.1. Free air delivery (FAD) correction due to elevation
FAD correction table
Elevation [MASL] 0 - 1500 1501 - 2500 2501 - 3500 3501 - 4500
FAD [l/min] FAD x 1 FAD x 0,8 FAD x 0,71 FAD x 0,60
FAD reference conditions:
Elevation: 0 MASL
Temperature: 20°C
Atmospheric pressure: 101,325 Pa
Relative humidity: 0%
DK50 4x2VT/M
DK50 6x2VT/M
NP-DK50-Nx2VT-M-EN-3_11-2018 - 10 - 11/2018
8. PRODUCT DESCRIPTION
8.1. Variants
(Fig.1a, Fig.1b)
The DK50 4x2VT/M compressor (Fig. 1a) is
composed of:
- Compressor section - 4 x 2V air pumps
- Air tank section - 2 x 110 l
- Adsorption dryer
The DK50 6x2VT/M compressor (Fig. 1b) is
composed of:
- Compressor section - 6 x 2V air pumps
- Air tank section - 3 x 110 l
- Adsorption dryer
DK50 4x2VT/M
DK50 6x2VT/M
11/2018 - 11 - NP-DK50-Nx2VT-M-EN-3_11-2018
Fig. 1a DK50 4x2VT/M compressor Fig. 1b DK50 6x2VT/M compressor
8.2. Accessories
Every compressor may be added-on/extended
directly by the manufacturer or by placing an
order for air regulation and filtration
accessories (specified in an order) at a later
period of time.
Accessories not included in the standard
order must be ordered separately!
Accessories included with the product
(filter/regulator, filter and micro filter) are
mounted to the compressor frame using the
bracket on the air outlet side, downstream of
the drain/blow down valve on the air tanks.
8.2.1. Set of compressed air outlet filters
The compressor may be equipped with a set
of filters, if specified. The set of filters may be
equipped with a pressure regulator. Sets of
filters are suitable accessories for all of the
compressors specified above.
If a different level of air filtration is
required, this specification must
be agreed upon with the supplier
and specified in the order.
1. Compressor air pumps
2. Air tank
3. Dryer
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