EKOM DK50 2V/M MOBILE Používateľská príručka

DK50 2V MOBILE MINI

User manual

Benutzerhandbuch

Návod na použitie

COMPRESSOR

KOMPRESSOR

KOMPRESOR

DK50 2V MOBILE MINI

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

DÁTUM POSLEDNEJ REVÍZIE

06/2023

NP-DK50 2V MOBILE

mini_MD-5_06-2023

112000458-000

CONTENTS .................................................................................................. 5

INHALT ........................................................................................................ 34

OBSAH ........................................................................................................ 65

CONTENTS

06/2023 5 NP-DK50 2V MOBILE mini_MD-5_06-2023

CONTENTS

GENERAL INFORMATION ............................................................................................................ 6

1. CONFORMITY WITH THE REQUIREMENTS OF EUROPEAN UNION DIRECTIVES .... 6

2. SYMBOLS ........................................................................................................................ 6

3. DEVICE USE ................................................................................................................... 7

4. GENERAL SAFETY INSTRUCTION ................................................................................ 8

5. STORAGE AND TRANSPORT ........................................................................................ 9

PRODUCT DESCRIPTION .......................................................................................................... 10

6. VARIANTS ..................................................................................................................... 10

7. PRODUCT FUNCTION .................................................................................................. 10

TECHNICAL DATA ...................................................................................................................... 16

INSTALLATION ........................................................................................................................... 19

8. INSTALLATION CONDITIONS ...................................................................................... 19

9. COMPRESSOR ASSEBLY ............................................................................................ 19

10. PNEUMATIC CONNECTION ......................................................................................... 21

11. ELECTRICAL CONNECTION ........................................................................................ 21

12. COMMISSIONING ......................................................................................................... 21

13. PNEUMATIC AND ELECTRICAL DIAGRAMS ............................................................... 22

OPERATION ................................................................................................................................ 25

14. SWITCHING ON THE COMPRESSOR .......................................................................... 26

15. SWITCHING OFF THE COMPRESSOR ........................................................................ 26

PRODUCT MAINTENANCE ........................................................................................................ 27

16. PRODUCT MAINTENANCE ........................................................................................... 27

17. LONG-TERM SHUTDOWN ............................................................................................ 32

18. DISPOSAL OF DEVICE ................................................................................................. 32

TROUBLESHOOTING ................................................................................................................. 32

19. REPAIR SERVICE ......................................................................................................... 33

ANNEX ........................................................................................................................................ 94

21. INSTALLATION RECORD ............................................................................................. 94

GENERAL INFORMATION

NP-DK50 2V MOBILE mini_MD-5_06-2023 6 06/2023

GENERAL INFORMATION

Read the User manual carefully and keep it before use of the product. The User manual provides

information on correct use – installation, operation and maintenance of the product.

The User manual corresponds with the design of the product and condition according to the

applicable safety and technical standards at the time of printing. The manufacturer reserves all rights

concerning the protection for the stated connections, procedures and names.

Slovak version is original of the User manual. The User manual has been translated in accordance

with the best available knowledge. The Slovak version is to be used in the event of any uncertainties.

This user manual is the original instructions. Translation is performed in accordance with the best

available knowledge.

1. CONFORMITY WITH THE REQUIREMENTS OF EUROPEAN UNION DIRECTIVES

This product conforms to the requirements of the European Union 2006/42/EC, 2014/29/EU,

2014/35/EU, 2014/30/EU, 2011/65/EU and is safe if used in compliance with the intended use and

if all safety instructions are followed.

User manual is in compliance with requirements of Directive 2006/42/EC.

2. SYMBOLS

The following symbols and marks are used in the User manual, on the device and its packaging:

Warning

Danger, electric shock hazard

Compressor is controlled automatically and may start without warning

Caution! Hot surface

General warnings

Refer to instruction manual

CE-marking

Ground connection

Fuse

Terminal for ground connection

Compressed air outlet

AIR OUT

GENERAL INFORMATION

06/2023 7 NP-DK50 2V MOBILE mini_MD-5_06-2023

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

3. DEVICE USE

3.1. Intended use

The compressor is used as source of clean oil-free compressed air intended to be used in industry

and laboratories, where parameters and properties of the compressed air are suitable.

The compressor is exclusively intended to compress air without content of explosive or chemically

unstable substances.

The compressor is intended for operation in clean and dry rooms.

3.2. Incorrect use

Contamination risk.

Air from the compressor is without additional treatment not suitable for breathing

and direct contact with food

Explosion risk.

The product is not intended for operation in rooms with explosion risk.

The compressor must not be used to compress aggressive gases.

The compressor must not be operated in premises with occurrence of flammable vapors.

The compressor must not be operated in other conditions as mentioned in Technical data.

Any other use of the product beyond the intended use is considered as incorrect use. The

manufacturer is not responsible for any damages or injuries as a result of incorrect use or

disobedience to instructions stated in this User manual. All risks shall be solely borne by the

user/operator.

GENERAL INFORMATION

NP-DK50 2V MOBILE mini_MD-5_06-2023 8 06/2023

4. GENERAL SAFETY INSTRUCTION

The product is designed and manufactured so that any risks connected with its use are minimized

and the product is safe for the user and surrounding when used according to the intended use and

the instructions stated below are followed.

4.1. Required qualification of the personnel

• Each user must be trained by the manufacturer or an organization authorized by the

manufacturer or instructed on the device operation by other trained user.

• Installation, new settings, changes, extensions and repairs of the product may be performed

by the manufacturer or an organization authorized by the manufacturer (hereinafter qualified

technician).

- Otherwise the manufacturer is not responsible for safety, reliability and correct functioning

of the product.

4.2. General instruction

• When operating the compressor, all acts and local regulations valid in the place of use must

be observed. The operator and user are responsible for following the applicable regulations.

• Before every use, the user must check, if the device is functioning correctly and safely.

Before building the compressor in other devices, the supplier must assess, if the supplied

air and construction of the device comply with the requirements of the specified intended

use. Taking this into account, follow the product technical data. Assessment of conformity

shall be performed by the manufacturer – supplier of the final product.

4.3. Protection from dangerous voltage and pressure

• The device can be connected only to a properly mounted socket with protective earthing.

• Before connecting the product, check if mains voltage and mains frequency stated on the

product are in compliance with the values of the mains.

• Before putting the product into operation, check eventual damages to connected pneumatic

hoses and electrical cables. Replace damaged pneumatic hoses and electrical cables

immediately.

• Immediately disconnect the product from the mains (pull out the mains plug) in hazardous

situations or technical disorders.

• Safety valve settings must not be changed and used to depressurize the air tank.

4.4. Original spare parts and accessories

• Safety of operating staff and failure-free operation of the product are guaranteed only when

original spare parts are used. Only accessories and spare parts stated in the technical

documentation or expressly approved by the manufacturer may be used.

• The guarantee does not apply to damages arising from use of accessories and spare parts

other than prescribed or recommended by the manufacturer and the manufacture is not

responsible for them.

GENERAL INFORMATION

06/2023 9 NP-DK50 2V MOBILE mini_MD-5_06-2023

5. STORAGE AND TRANSPORT

The compressor is shipped from the factory in a transport packaging. This protects the device from

damage during transport.

Risk of damage to pneumatic parts.

The compressor may be transported only depressurized. Vent air pressure from

the pressure tank and pressure hoses and drain condensate from the air tank

before transporting the compressor.

Original packaging must be kept for eventual return of the device. If possible,

always use the original compressor packaging for optimal protection of the

product. If it is necessary to return the product within the guarantee period, the

manufacturer does not guarantee for damages caused by incorrect packaging of

the product.

Transport the compressor in an upright position, always secured by transport

fixing elements.

Protect the compressor from high humidity, dirt and extreme temperatures during

transport and storage. Do not store together with volatile chemical substances.

If it is not possible to keep the original packaging, dispose of the packaging in an

environmentally friendly way. Transport cardboard can be recycled with old paper.

It is not permitted to store and transport the device outside the defined conditions, see

below.

5.1. Ambient conditions

Products can be stored in rooms and means of transport that are free from any traces of volatile

chemical substances under the following climatic conditions:

Temperature

from –25°C o +55°C, in 24h to +70°C

Relative humidity

max. 90% (without condensation/ non-

condensing)

PRODUCT DESCRIPTION

NP-DK50 2V MOBILE mini_MD-5_06-2023 10 06/2023

PRODUCT DESCRIPTION

6. VARIANTS

The compressor is manufactured according to its intended application in the following variants:

DK50 2V MOBILE MINI

compressor in a cabinet with effective soundproofing

DK50 2V/M MOBILE MINI

compressor in cabinet with air dryer

DK50 2V MOBILE MINI

The compressed air from the compressor is not suitable for operating breathing

equipment or similar devices.

7. PRODUCT FUNCTION

7.1. Compressor without dryer

(Fig. 1) The air pump (1) draws in air through an inlet filter (7) and compresses it through a check

valve (3) into an air tank (2) from which the appliance draws compressed air. If the pressure in the

air tank drops to the switching pressure, the pressure switch (4) turns on the compressor and the

compressor supplies compressed air to the air tank until it reaches the switch off pressure, at which

time the compressor switches off. The pressure hose is vented through the relief solenoid valve

once the compressor unit is shut off. The safety valve (5) prevents the pressure in the air tank from

rising above the maximum permitted value. Condensate from the air tank (2) is automatically drained

at regular intervals trough the condensate separator with filter (11) into the condensate collection

vessel (12) via the condensate drain solenoid valve (10). Compressed, oil-free filtered air is stored

in the air tank ready for use.

7.2. Compressor with membrane dryer

(Fig. 2) The air pump (1) draws in air through an inlet filter (7) and compresses it, feeding it to the

cooler (16) through the filter and the non-return valve (3) into the dryer (15), 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,

PRODUCT DESCRIPTION

06/2023 11 NP-DK50 2V MOBILE mini_MD-5_06-2023

which is manifested as a light air stream along the body of the dryer (15). Condensate from the filter

is automatically drained at regular intervals into the collecting bottle (12) via the condensate drain

solenoid valve (10). The dryer ensures continuous drying of the compressed air. The drain valve

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 tank is dry and does not need to be drained.

7.3. Compressor cabinet

(Fig. 3) The cabinet features rolling casters (2 with locks, 2 without locks) so that the internal shape

of the cabinet defines the position of the compressor itself. The rolling casters and the rigid structure

of the cabinet itself ensure easy and simple manipulation of the cabinet. Remove the 2 quick

closures to open the cabinet (19).

The following are located on the top panel on the front side of the cabinet: outlet pressure gauge

(2), pressure regulator (1), power switch (5) and hour counter (3). The connector (24) is located in

the lower portion of the cabinet's rear panel. The compressed air outlet (15) with an internal G1/4"

thread is located on the upper portion of the cabinet. A hose bushing (24) is installed in order to

serve as a condensate drain. The compressor runs in automatic mode when the power switch (5)

on the cabinet is switched on.

The following are located on the rear of the cabinet: cooling fans (15) to exhaust hot air from the

cabinet through the hot air exhaust ventilation openings in the cabinet. The cooling fans switch on

when the temperature switch reaches 40 °C and run until the temperature inside the cabinet drops

below 32°C.

Risk of compressor overheating.

Make sure that there are no obstacles at the cooling air inlet into the cabinet

(around the bottom part of the cabinet) and at the hot air outlet on the top back

side of the cabinet.

If the compressor is placed on a soft floor, e.g. carpet, create space between the

base and the floor or the cabinet and the floor, e.g. underlay the footings with

hard pads to ensure sufficient cooling of the compressor.

Description to Figures 1-2:

1. Air pump

2. Air tank

3. Non-return valve

4. Pressure switch

5. Safety valve

6. Pressure gauge

7. Inlet filter

8. Ball valve

9. Automatic condensate drain

10. Filter

11. Condensate collection vessel

12. Magnetic holder

13. Compressed air outlet

14. Membrane dryer

15. Cooler

16. Cabinet pressure gauge

17. Cabinet regulator

PRODUCT DESCRIPTION

NP-DK50 2V MOBILE mini_MD-5_06-2023 12 06/2023

Fig. 1: Compressor without dryer DK50 2V MOBILE MINI 409202005-302

PRODUCT DESCRIPTION

06/2023 13 NP-DK50 2V MOBILE mini_MD-5_06-2023

Fig. 2: Compressor with dryer DK50 2V/M MOBILE MINI 4092020A5-305 / 4092020A5-307

PRODUCT DESCRIPTION

NP-DK50 2V MOBILE mini_MD-5_06-2023 14 06/2023

Fig. 3: Cabinet

A – DK50 2V MOBILE MINI (409202005-302)

B – DK50 2V/M MOBILE MINI (4092020A5-305 / 4092020A5-307)

PRODUCT DESCRIPTION

06/2023 15 NP-DK50 2V MOBILE mini_MD-5_06-2023

Description to Figure 3:

Cabinet (without panels) – front view

1. Pressure regulator

2. Cabinet pressure gauge

3. Hour counter

4. Plug

5. Power switch

6. Pressure switch

7. Pressure gauge

8. Safety valve

9. Air tank

10. Ball valve

11. Air pump

12. Inlet filter

13. Fan

Cabinet (without panels) – rear view

14. Compressed air outlet

15. Fan

16. Filter

17. Hot air exhaust openings

18. Electrical panel

19. Quick closure opening

20. Automatic condensate drain

21. Hose coupling

22. Condensate collection vessel

23. Magnetic holder

24. Connector

25. Membrane dryer

26. Cooler

TECHNICAL DATA

NP-DK50 2V MOBILE mini_MD-5_06-2023 16 06/2023

TECHNICAL DATA

Compressors are designed to operate in dry, ventilated and indoor dust-free rooms with the

following climatic conditions:

Temperature

from +5°C to +40°C

Relative humidity

max. 70%

Working pressure 6 – 8 bar

DK50 2V/M MOBILE MINI

(5092020A5-305)

Nominal voltage

Frequency a)

V, Hz

230, 50

Capacity at 6 bar

(FAD)

l/min

110

Working pressure b)

bar

6.0 – 8.0

Max. current

A

8.9

Motor power

kW

1.2

Air tank volume

l

25

Air quality - filtration

m

0.1

Maximum operating

pressure of safety

valve

bar

11.0

Noise level at 5 bar

(LpA)

dB

57

Operating mode

%

S1-100

PDP drying at 7 bar

°C

 +3

Time to fill air tank

from 0 to 6 bar

s

80

Dimensions (net)

w x d x h

mm

550x700x856

Net weight c)

kg

100 c)

a) State the compressor variant in the order

b) For other range of pressure consult with the supplier

c) Weight value is only informative data and applies only to a product without any accessories

Dependence of compressor capacity on working pressure

TECHNICAL DATA

06/2023 17 NP-DK50 2V MOBILE mini_MD-5_06-2023

Working pressure 8 – 10 bar

DK50 2V MOBILE MINI

(509202005-302)

DK50 2V/M MOBILE MINI

(5092020A5-307)

Nominal voltage

Frequency a)

V, Hz

230, 50

Capacity at 8 bar

(FAD)

l/min

110

90

Working pressure b)

bar

8.0 – 10.0

Max. current

A

9.4

9.5

Motor power

kW

1.2

Air tank volume

l

25

Air quality - filtration

m

-

0.1

Maximum operating

pressure of safety

valve

bar

11.0

Noise level at 5 bar

(LpA)

dB

57

Operating mode

%

S1-100

PDP drying at 7 bar

°C

-

 +3

Time to fill air tank

from 0 to 6 bar

s

80

Dimensions (net)

w x d x h

mm

550x700x856

Net weight c)

kg

95 c)

100 c)

a) State the compressor variant in the order

b) For other range of pressure consult with the supplier

c) Weight value is only informative data and applies only to a product without any accessories

Dependence of compressor capacity on working pressure

TECHNICAL DATA

NP-DK50 2V MOBILE mini_MD-5_06-2023 18 06/2023

FAD correction of capacity for altitude

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

0,8

0,71

0,60

INSTALLATION

06/2023 19 NP-DK50 2V MOBILE mini_MD-5_06-2023

INSTALLATION

8. INSTALLATION CONDITIONS

• Compressors may only be installed and operating in dry, well-ventilated and clean

environments with environmental parameters that meet the requirements specified in

Technical data. The compressor must be installed so that it is accessible at all times for

operating and maintenance. Please ensure that the label on the device is readily accessible.

• The compressor must stand on a flat, sufficiently stable base (be aware of the weight of the

compressor, see Chapter Technical data).

• Compressors may not be operated outdoors or in otherwise wet or damp environments. Do

not use the compressor in the presence of explosive gases, dust or flammable liquids.

• Before connecting the compressor to medical equipment, the supplier must confirm that it

meets all requirements for its use. Refer to the technical data of the product for this purpose.

When a unit is to be built-in, classification and evaluation of compatibility must be done by

the manufacturer or supplier of the product to be used.

• Any other use or use outside this framework is not considered as intended use. The

manufacturer is not responsible for any damages arising from such use. The operator/user

assumes all risks.

Risk of incorrect installation.

Only a qualified professional can install the compressor and place it into

operation for the first time. His obligation is to train the operating personnel on

the use and maintenance of the device. He shall confirm installation and training

of operators by an entry into the installation record.

Remove fixing elements of the pumps once the compressor has been assembled

and balanced at the final installation place.

Risk of burn or fire.

During compressor operation, the pump parts may heat to temperatures

dangerous for contact with persons or materials.

Risk of damage to the device.

The appliance must be located minimally 100 mm from the wall for enabling

blowing of cooling air. Non-observance of the given distance may be the cause

of damage to the compressor and case!

9. COMPRESSOR ASSEBLY

9.1. Manipulation and fixation removal

• Unpack the compressor from the packaging.

• Remove the front panel – Z after releasing the quick closures (R) and disconnect the

grounding wire (U).

• Remove the fixation components of air pump - X and Y

Prior to installation, ensure that the compressor is free of all transport packaging

and stabilizers to avoid any risk of damage to the product.

Remove fixing elements of the pumps once the compressor has been assembled

and balanced at the final installation place.

INSTALLATION

NP-DK50 2V MOBILE mini_MD-5_06-2023 20 06/2023

Fig. 4: Releasing the pump

• Once the panel is installed, the grounding wire from the cabinet panel must be connected

and the cabinet must then be closed and secured with screws.

• Connect devices to the compressed air outlet on the cabinet.

• Insert the mains plug into a rated outlet circuit.

If the bracket and tank are installed on the side of the cabinet, ensure that at least

150 mm of space is kept between the cabinet and any nearby furniture. A smaller

distance can result in problems when draining the tank is needed.

Hazard of damage to dryer.

The condensate vessel must be on the floor in order to ensure the dryer operates

properly. Otherwise the dryer may be damaged.

The vessel must be moved upwards when the compressor is moved.

Fig. 5

A

B

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