EKOM DK50-10 Používateľská príručka

DK50-10

User manual

Benutzerhandbuch

Návod na použitie

COMPRESSOR

KOMPRESSOR

KOMPRESOR

DK50-10

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

09/2023

NP-DK50-10-A-12_09-2023-

MD

112000429-000

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

INHALT ........................................................................................................ 44

OBSAH ........................................................................................................ 83

CONTENTS

09/2023 5 NP-DK50-10-A-12_09-2023-MD

CONTENTS

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

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

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

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

4. GENERAL SAFETY INSTRUCTIONS ............................................................................... 8

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

PRODUCT DESRIPTION .............................................................................................................. 10

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

7. ACCESSORIES .............................................................................................................. 10

8. PRODUCT FUNCTION ................................................................................................... 11

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

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

9. INSTALLATION CONDITIONS ....................................................................................... 19

10. COMPRESSOR ASSEMBLY .......................................................................................... 19

11. PNEUNATIC CONNECTION ........................................................................................... 21

12. ELECTRICAL CONNECTION ......................................................................................... 21

13. COMMISSIONING .......................................................................................................... 24

14. PNEUMATIC AND ELECTRICAL DIAGRAMS ................................................................ 25

OPERATION ................................................................................................................................. 30

15. SWTICHNING ON THE COMPRESSOR ........................................................................ 31

16. SWITCHING OFF THE COMPRESSOR ......................................................................... 31

PRODUCT MAINTENANCE ......................................................................................................... 32

17. PRODUCT MAINTENANCE ............................................................................................ 32

18. LONG-TERM SHUTDOWN ............................................................................................. 41

19. DISPOSAL OF DEVICE .................................................................................................. 41

TROUBLESHOOTING .................................................................................................................. 42

20. REPAIR SERVICE .......................................................................................................... 43

ANNEX ....................................................................................................................................... 122

21. INSTALLATION RECORD ............................................................................................ 122

GENERAL INFORMATION

NP-DK50-10-A-12_09-2023-MD 6 09/2023

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 THE EUROPEAN UNION

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:

General warning

Warning – risk of electric shock

Warning - compressor is controlled automatically

Warning – hot surface

General caution

Refer to instruction manual

CE – marking

Serial number

Article number

Protecting earthing

Fuse

GENERAL INFORMATION

09/2023 7 NP-DK50-10-A-12_09-2023-MD

Package handling label – fragile

Package handling label – this side up

Package handling label – keep dry

Package handling label – temperature limits

Package handling label – limited stacking

Package label – 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-DK50-10-A-12_09-2023-MD 8 09/2023

4. GENERAL SAFETY INSTRUCTIONS

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 instructions

• 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

09/2023 9 NP-DK50-10-A-12_09-2023-MD

5. STORAGE AND TRANSPORT CONDITIONS

The manufacturer ships the compressor 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 DESRIPTION

NP-DK50-10-A-12_09-2023-MD 10 09/2023

PRODUCT DESRIPTION

6. VARIANTS

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

DK50-10Z

compressor on base for stand-alone room installations

DK50-10Z/M

compressor on base with air dryer

DK50-10S

compressor in cabinet with effective noise dampening for room installations

DK50-10S/M

compressor in cabinet with air dryer

DK50-10Z

DK50-10Z/M

DK50-10S

DK50-10S/M

7. ACCESSORIES

Accessories are not included in a standard order, they must be ordered separately.

Automatic condensate drain

Automatic condensate drain (ACD) automatically drains condensate from the compressor air tank in

pre-set time interval. ACD is suitable accessory for compressor without dryer.

Type

Use

Article no.

AOK 10

DK50-10Z

447000001-046

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

Level of filtration (µm)

Article number

FS 20F

DK50-10Z

DK50-10Z/M

1

604014119-003

FS 20M

1+0.1

604014119-009

FS 20S

1+0.01

604014119-012

FS 20A

1+0.01+A**

604014119-013

**) A – submicrofilter with activated carbon

PRODUCT DESRIPTION

09/2023 11 NP-DK50-10-A-12_09-2023-MD

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)

DK50-10Z, DK50-10Z/M

604014142-000

REG10 (separate)

447000001-042

Filter set brackets

A suitable bracket must be ordered for every filter set.

Condensation and filtration unit

The compressor can be equipped with a condensation and filtration unit (KJF-1 or KJFR-1). The unit

is used to cool the compressed air from the air tank in the cooler, to capture condensate in the filter,

to drain condensate automatically from the pneumatic system and to filter the compressed air.

8. PRODUCT FUNCTION

8.1. Compressor

Fig. 1 Compressor pump (1) sucks the atmospheric air in through the inlet filter (8) and compresses

it through the non-return valve (3) into the air tank (2) from which the device draws in the compressed

air. If the pressure in the air tank drops to the switch-on pressure, the pressure switch (4) switches

the compressor on and the compressor compresses the air into the air tank until it reaches the

switch-off pressure, when the compressor switches off. The pressure hose is vented through the

solenoid relief valve (13) once the compressor pump is switched off. The safety valve (5) prevents

the pressure in the air tank from rising above the maximum allowed value. The drain valve (7) drains

the 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 Chapter17.1).

8.2. Compressor with 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.

Type

Use

Article number

Compressor-mounted bracket

DK50-10Z, DK50-10Z/M

603002108-000

Wall-mounted bracket

604014186-000

Type

Use

Level of filtration /µm/

Pressure regulator

Article number

KJF-1

DK50-10Z

DK50-10Z/M

5

no

450001011-001

KJFR-1

yes

450001011-002

PRODUCT DESRIPTION

NP-DK50-10-A-12_09-2023-MD 12 09/2023

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)

This is why 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.

8.3. Compressor cabinet

Fig. 3 The soundproof cabinet provides compact covering of the compressor, dampens noise

efficiently, providing sufficient exchange of cooling air. The fan under the compressor pump provides

cooling of the compressor. It is in operation at the same time with the compressor motor or after

switching on the temperature switch at temperature above 40°C. After cooling the cabinet area

approximately under 32°C, the fan turns off automatically.

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.

The 8 - 10 bar compressor model is equipped with hours counter (Fig. 3).

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 Switch

23 Hour counter

24 Socket

25 Cabinet fan

PRODUCT DESRIPTION

09/2023 13 NP-DK50-10-A-12_09-2023-MD

Fig. 1: DK50-10Z - Compressor

PRODUCT DESRIPTION

NP-DK50-10-A-12_09-2023-MD 14 09/2023

Fig. 2: DK50-10Z/M – Compressor with dryer

PRODUCT DESRIPTION

09/2023 15 NP-DK50-10-A-12_09-2023-MD

Fig. 3: Compressor DK50-10S/M (8-10bar)

TECHNICAL DATA

NP-DK50-10-A-12_09-2023-MD 16 09/2023

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

DK50-10Z

DK50-10S

DK50-10Z/M

DK50-10S/M

Rated voltage

Frequencya)

V,

Hz

230,

50/60

115,

60

230,

50/60

115,

60

230,

50/60

115,

60

230,

50/60

115,

60

Capacity at 6 bar

(FAD)

l/min

70/80

80

70/80

80

60/70

70

60/70

70

Working pressure b)

bar

6.0 – 8.0

Rated current

A

3.9/4.9

9.0

3.9/4.9

9.0

4.1/5.1

9.2

4.1/5.1

9.2

Motor power

kW

0.55

Air tank volume

l

10

Air quality – filtration

m

-

0.1

Maximum operating

pressure of safety

valve

bar

12.0

Noise level at 5 bar

(LpA)

dB

≤64/≤66

≤66

≤46/≤49

≤49

≤65/≤67

≤67

≤49/≤52

≤52

Operating mode

%

S1-100

PDP drying at 7 bar

°C

-

 +3

Time to fill air tank

from 0 to 7 bar

s

60/51

51

60/51

51

72/61

61

72/61

61

Dimensions (net)

w x d x h

mm

485x350x553

580x440x655

544x350x553

649x440x655

Net weight c)

kg

38 c)

53 c)

44

61

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

09/2023 17 NP-DK50-10-A-12_09-2023-MD

Working pressure 8 – 10 bar

DK50-10Z

DK50-10S

DK50-10Z/M

DK50-10S/M

Rated voltage

Frequency a)

V,

Hz

230,

50/60

115,

60

230,

50/60

115,

60

230,

50/60

115,

60

230,

50/60

115,

60

Capacity at 8 bar

(FAD)

l/min

60/70

70

60/70

70

50/60

60

50/60

60

Working pressure b)

bar

8.0 – 10.0

Rated current

A

4.1/5.1

9.2

4.1/5.1

9.2

4.3/5.3

9.4

4.4/5.4

9.4

Motor power

kW

0.55

Air tank volume

l

10

Air quality – filtration

m

-

0.1

Maximum operating

pressure of safety

valve

bar

12.0

Noise level at 5 bar

(LpA)

dB

≤64/≤66

≤66

≤46/≤49

≤49

≤65/≤67

≤67

≤49/≤52

≤52

Operating mode

%

S1-100

PDP drying at 7 bar

°C

-

 +3

Time to fill air tank

from 0 to 7 bar

s

85/75

75

85/75

75

96/82

82

96/82

82

Dimensions (net)

w x d x h

mm

485x350x553

580x440x655

544x350x553

649x440x655

Net weight c)

kg

38 c)

53 c)

44

61

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-DK50-10-A-12_09-2023-MD 18 09/2023

Working pressure 10 – 12 bar

DK50-10Z

Rated voltage, Frequency

V, Hz

230, 50

Capacity at 10 bar (FAD)

l/min

50

Working pressure b)

bar

10.0 – 12.0

Rated current

A

4.1

Motor power

kW

0.55

Air tank volume

l

10

Air quality – filtration

m

-

Maximum operating pressure of safety valve

bar

13

Noise level at 5 bar (LpA)

dB

≤65

Operating mode

%

S1-100

PDP drying at 7 bar

°C

-

Time to fill air tank from 0 to 7 bar

s

115

Dimensions (net)

w x d x h

mm

485x350x553

Net weight c)

kg

38 c)

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

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

09/2023 19 NP-DK50-10-A-12_09-2023-MD

INSTALLATION

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 (see Annex).

9. INSTALLATION CONDITIONS

• The compressor may only be installed and operated in dry, well-ventilated and dust-free rooms

with conditions stated in Technical data.

Risk of damage to the device.

Do not operate the device in outdoor environment or in humid or wet rooms.

Explosion risk.

Do not install the device in any rooms, in which explosive gases, dusts or

flammable liquids may be present.

• The compressor must be installed in such a way, that it is accessible at all times for operation and

maintenance and label on the device is accessible.

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

see Technical data).

You may notice a “new product” odour when you first place the product into

service (for a short period of time). This odour is temporary and does not impede

the normal use of the product. Ensure the space is properly ventilated after

installation.

10. COMPRESSOR ASSEMBLY

10.1. Manipulation and fixation removal

• Unpack the compressor from the packaging.

• Put the compressor at the place of operation (Fig. 4).

Use the compressor base for gripping, when manipulating with the compressor.

Do not use any other compressor parts (pump, cooler, etc.) for gripping the

compressor.

The number of persons required to handle the equipment must be matched to the

weight of the device.

INSTALLATION

NP-DK50-10-A-12_09-2023-MD 20 09/2023

Fig. 4: Manipulation with the compressor

• Remove transport fixing elements from the pumps (Fig. 5).

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.

Fig. 5: Releasing the pump

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