EKOM DK-50 2x2V/110 User manual

DK50 2x2V/110
10/2018 - 1 - NP-DK50 2x2V 110-2_10-2018-MD A
CONTENTS
IMPORTANT INFORMATION ................................................................................................................. 2
1.CONFORMITY WITH THE REQUIREMENTS OF EUROPEAN UNION DIRECTIVES ............ 2
2.INTENDED USE ......................................................................................................................... 2
3.CONTRAINDICATIONS AND SIDE-EFFECTS .......................................................................... 2
4.WARNINGS AND SYMBOLS ..................................................................................................... 2
5.WARNINGS ................................................................................................................................ 3
6.STORAGE AND TRANSPORT .................................................................................................. 5
7.TECHNICAL DATA ..................................................................................................................... 6
8.PRODUCT DESCRIPTION ........................................................................................................ 9
9.PRODUCT FUNCTIONALITY .................................................................................................. 11
10.PNEUMATIC DIAGRAM ........................................................................................................... 15
INSTALLATION .................................................................................................................................... 17
11.CONDITIONS FOR USE .......................................................................................................... 17
12.PLACEMENT OF THE COMPRESSOR .................................................................................. 18
13.PNEUMATIC CONNECTIONS ................................................................................................. 20
14.ELECTRICAL CONNECTIONS ................................................................................................ 21
15.CONNECTION DIAGRAM ........................................................................................................ 23
OPERATION ......................................................................................................................................... 26
16.COMMISSIONING .................................................................................................................... 26
17.SWITCHING THE COMPRESSOR ON ................................................................................... 27
18.COMPRESSOR SHUT-DOWN ................................................................................................ 27
MAINTENANCE .................................................................................................................................... 28
19.DEVICE MAINTENANCE ......................................................................................................... 28
TROUBLESHOOTING .......................................................................................................................... 34
20.REPAIR SERVICE .................................................................................................................... 35
21.STORAGE ................................................................................................................................ 35
22.DISPOSAL OF THE DEVICE ................................................................................................... 35
ANNEX ................................................................................................................................................ 142
23.INSTALLATION RECORD ...................................................................................................... 142


DK50 2x2V/110
NP-DK50 2x2V 110-2_10-2018-MD A - 2 - 10/2018
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 the
Machinery Directive (2006/42/EC), and is safe for the intended use if all safety instructions are
followed.
2. INTENDED USE
The compressor is used as a source of clean, oil-free compressed air to power dental unit,
instruments, and devices in laboratories where the parameters and properties of the compressed
air are suitable for the specific application.
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
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

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10/2018 - 3 - NP-DK50 2x2V 110-2_10-2018-MD A
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
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.
 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.

DK50 2x2V/110
NP-DK50 2x2V 110-2_10-2018-MD A - 4 - 10/2018
 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 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.

DK50 2x2V/110
10/2018 - 5 - NP-DK50 2x2V 110-2_10-2018-MD A


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.
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: 10% to 90% (non-condensing)

DK50 2x2V/110
NP-DK50 2x2V 110-2_10-2018-MD A - 6 - 10/2018
7. TECHNICAL DATA
Compressors are designed for dry and ventilated indoor environments with the following
conditions:
Temperature : +5°C to +40°C,
Max. relative humidity.: 70%,
Max. absolute humidity. 15 g/m3
Tab.1
5 – 7 bar DK50
2x2V/110
DK50
2x2V/110S
DK50
2x2V/110/M DK50
2x2V/110S/M
Nominal voltage /
frequency (*) V / Hz 230/50
3x400/50 230/60 115/60
230/50
3x400/50
230/60
115/60
230/50
3x400/50
230/60
115/60 230/50 3x400/50
230/60
115/60
Performance at 5 bar Lit.min-
1
280 280 225 225
Working pressure (**) bar 5.0 – 7.0 5.0 – 7.0 5.0 – 7.0 5.0 – 7.0
Performance with KJF-2
at 5 bar Lit.min-1 280 280 - -
Max. current A 16.1
5.6
16.5
6
16.2
5.7
16.6
6.1
Motor power kW 2x1.2
2x1.2
2x1.2
2x1.1
2x1.2
2x1.2
2x1.2
2x1.1
2x1.2
2x1.2
2x1.2
2x1.1
2x1.2
2x1.2
2x1.2
2x1.1
Air tank volume Lit. 110 110 110 110
Air quality – filtration m - - 0.3 0.3
Maximum operating
pressure of safety valve bar 9,0 9,0 9,0 9,0
Noise level at 5 bar LpfA [dB]  73  55  73  56
Duty cycle 100% 100% 100% 100%
PDP - drying performance
at 7 bar - -  +3°C  +3°C
Time to fill air tank from 0
to 6 bar s 131 131 163 163
Dimensions (net)
w x d x h mm 1085x490x815 1200x725x992 1085x625x815 1200x725x992
Net weight (****) kg 106 (***)
104 (***)
177 (***)
175 (***)
113
111
184
182
Classification under EN
60601-1 Class I.
Notes:
(*) When ordering, state the version of the compressor
(**) For other range of pressure:consult with the supplier
(***) Weight of compressors with a KJF-2 unit _add 4 kg
(****) Information about the weight is for informative purposes only and applies to the product without any
additional accessories.

DK50 2x2V/110
10/2018 - 7 - NP-DK50 2x2V 110-2_10-2018-MD A
Tab. 2
6 – 8 bar DK50
2x2V/110
DK50
2x2V/110S
DK50
2x2V/110/M DK50
2x2V/110S/M
Nominal voltage /
frequency (*) V / Hz 230/50
3x400/50
230/60
115/60
230/50
3x400/50
230/60
115/60
230/50
3x400/50 230/60 115/60 230/50 3x400/50
230/60
115/60
Performance
at 6 bar Lit.min-1 270 270 215 215
Working pressure (**) bar 6.0 – 8.0 6.0 – 8.0 6.0 – 8.0 6.0 – 8.0
Performance with KJF-2
at 6 bar Lit.min-1 270 270 - -
Max. current A 16.7
5.8
17.1
6.2
16.8
5.9
17.2
6.3
Motor power kW 2x1.2
2x1.2
2x1.2
2x1.1
2x1.2
2x1.2
2x1.2
2x1.1
2x1.2
2x1.2
2x1.2
2x1.1
2x1.2
2x1.2
2x1.2
2x1.1
Air tank volume Lit. 110 110 110 110
Air quality – filtration

m - - 0.3 0.3
Maximum operating
pressure of safety valve bar 9.0 9.0 9.0 9.0
Noise level at 5 bar LpfA [dB]  73  55  73  56
Duty cycle 100% 100% 100% 100%
PDP drying performance
at 7 bar - -
 +3°C  +3°C
Time to fill air tank from 0
to 7 bar s 159 159 198 198
Dimensions (net)
w x d x h mm 1085x490x815 1200x725x992 1085x625x815 1200x725x992
Net weight (****) kg 106 (***)
104 (***)
177 (***)
175 (***)
113
111
184
182
Classification under
EN 60601-1
Class I.
Notes:
(*) When ordering, state the version of the compressor
(**) Forother range of pressureconsult with supplier
(***) Weight of compressors with a KJF-2 unit _add 4 kg
(****) Information about the weight is for informative purposes only and applies to the product without any
additional accessories.

DK50 2x2V/110
NP-DK50 2x2V 110-2_10-2018-MD A - 8 - 10/2018
Tab. 3
8 – 10 bar DK50
2x2V/110
DK50
2x2V/110S
DK50
2x2V/110/M DK50
2x2V/110S/M
Nominal voltage /
frequency (*) V / Hz 230/50
3x400/50
230/60
115/60
230/50
3x400/50
230/60
115/60
230/50
3x400/50
230/60
115/60 230/50 3x400/50 230/60 115/60
Performance
at 8 bar Lit.min-1 210 210 165 165
Working pressure (**) bar 8.0 – 10.0 8.0 – 10.0 8.0 – 10.0 8.0 – 10.0
Performance with KJF-2
at 8 bar Lit.min-1 210 210 - -
Max. current A 16.5
6.2
16.9
6.6
16.6
6.3
17.0
6.7
Motor power kW 2x1.2
2x1.2
2x1.2
2x1.1
2x1.2
2x1.2
2x1.2
2x1.1
2x1.2
2x1.2
2x1.2
2x1.1
2x1.2
2x1.2
2x1.2
2x1.1
Air tank volume Lit. 110 110 110 110
Air quality – filtration

m - - 0.3 0.3
Maximum operating
pressure of safety valve bar 12.0 12.0 12.0 12.0
Noise level at 5 bar LpfA
[dB]  73,0  55  73  56
Duty cycle 100% 100% 100% 100%
PDP drying performance at
7 bar - -
 +3°C  +3°C
Time to fill air tank from 0 to
9 bar s 256 256
Dimensions (net)
w x d x h mm 1085x490x815 1200x725x992 1085x625x815 1200x725x992
Net weight (****) kg 110 (***)
108 (***)
181 (***)
179 (***)
117
115
188
186
Classification under
EN 60601-1
Class I.
Notes:
(*) When ordering, state the version of the compressor
(**) For otherrange of pressure consult with supplier
(***) Weight of compressors with a KJF-2 unit _add 4 kg
(****) Information about the weight is for informative purposes only and applies to the product without any
additional accessories.

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7.1. Free air delivery (FAD) correction due to elevation
FAD correction table
Elevation [mamsl] 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 („Free Air Delivery“) output related to conditions:
Elevation: 0 MASL Temperature : 20°C
Atmospheric pressure : 101325 Pa Relative humidity : 0%
8. PRODUCT DESCRIPTION
8.1. Variants
Compressor models are designed in the following variants:
DK50 2x2V/110 - Compressor for installation in areas where operations will not disturb the
surroundings.
DK50 2x2V/110/K - Compressor with a condensing and filter unit
DK50 2x2V/110/M - Compressor with a membrane air dryer
DK50 2x2V/110S - Compressor in a cabinet with efficient soundproofing
DK50 2x2V/110S/K - Compressor in a cabinet with a condensation and filtration unit
DK50 2x2V/110S/M - Compressor in a cabinet with an air dryer
Cabinet S110 - used to reduce the level of noise generated by the compressor.
S110
DK50 2x2V/110 DK50 2x2V/110S