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Krom Schroder DL A Series, Руководство по эксплуатации

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DL..A, DL..K · Edition 02.22

EN-5

NO

2

NC

1

COM

3

5 ADJUstMent

 

➔

The switching point is adjustable via hand wheel.

 1 

Disconnect the system from the electrical power 

supply.

 2 

Unscrew the housing cover.

 

➔

Once the settings have been adjusted successfully, 
fit the housing cover again. Note the tightening 
torques, see page 7 (8 Technical data). 

 3 

Connect an ohmmeter.

COM

3

NC

1

NO

2

NO

2

NC

1

COM

3

 4 

Set the switching point using the hand wheel.

 5 

Connect a pressure gauge.

 6 

0

1 cm = 1 mbar

(0.4" = 0.4"WC)

 7 

Apply pressure. In doing so, monitor the switching 

point on the ohmmeter and the pressure gauge.

 8 

If the DL..A, DL..K does not trip at the desired 

switching point, correct the adjusting range using 
the hand wheel. Relieve the pressure and repeat 
the process. 

5.1 Adjusting rangeDL..A, DL..K

Adjusting 

range

1)

 

[mbar]

Max. 

inlet 

pres-

sure

2)

 

[mbar]

Mean 

switching 

differential

3)

 

[mbar]

min. max.

min. max.

DL 1,5A

-0.5

1.5

50

0.1

0.16

DL 3A, 

DL 3K

0.2

3

50

0.1

0.16

DL 3AT, 

DL 3KT

0.3

3

150

0.1

0.16

DL 5A, 

DL 5K

0.4

6

300

0.2

0.3

DL 5AT, 

DL 5KT

0.5

5

300

0.2

0.3

DL 10A, 

DL 10K, 

DL 10AT, 

DL 10KT

1

10

300

0.25

0.4

DL 30A, 

DL 30K

2.5

30

300

0.35

0.9

Adjusting 

range

1)

 

[mbar]

Max. 

inlet 

pres-

sure

2)

 

[mbar]

Mean 

switching 

differential

3)

 

[mbar]

min. max.

min. max.

DL 50A, 

DL 50K, 

DL 50AT, 

DL 50KT

2.5

50

300

0.8

1.5

DL 150A, 

DL 150K

30

150

300

3

5

Adjusting 

range

1)

 

["WC]

Max. 

inlet 

pres-

sure

2)

 

["WC]

Mean 

switching 

differential

3)

 

["WC]

min. max.

min. max.

DL 3AT, 

DL 3KT

0.12

1.2

58.5

0.04

0.06

DL 5AT, 

DL 5KT

0.2

2

117

0.08

0.12

DL 10AT, 

DL 10KT

0.4

4

117

0.1

0.16

DL 50AT, 

DL 50KT

1

20

117

0.3

0.6

1)

 Adjusting tolerance ± 15% of the scale value, but min. 

± 4 Pa [± 0.016 "WC]. 

2)

 Max. inlet pressure = withstand pressure. 

3)

 Mean switching differential at min. and max. setting. 

type

Deviation from the switching 

point during testing pursuant 

to en 1854 Air pressure 

switches

DL 1,5A

± 15% or ± 6 Pa [± 0.02 "WC]

DL 3A, DL 3K  

DL 3AT, 

DL 3KT

± 15% or ± 6 Pa [± 0.02 "WC]

DL 5AT–

DL50AT,  

DL 5KT–

50KT

± 15% or ± 4 Pa [± 0.016 "WC]

DL 5–150A,  

DL 5–150K

± 15% or ± 4 Pa [± 0.016 "WC]

Содержание DL A Series

Страница 1: ...in accordance with the regulations and standards in force These instructions can also be found at www docuthek com 1 2 Explanation of symbols 1 2 3 a b c Action Instruction 1 3 Liability We will not be held liable for damage resulting from non observance of the instructions and non com pliant use 1 4 Safety instructions Information that is relevant for safety is indicated in the instructions as fo...

Страница 2: ...re mains volt age ambient temperature enclosure see type label 3 INSTALLATION CAUTION Please observe the following to ensure that the unit is not damaged during installation Dropping the device can cause permanent damage In this event replace the entire device and associated modules before use Use approved sealing material only Condensation must not be allowed to get into the housing If possible i...

Страница 3: ...5 x 8 mm DL A Ø 3 5 x 8 mm Ø 4 x 8 mm DL 3K Ø 2 7 x 8 mm Ø 3 x 8 mm DL 3K Ø 3 5 x 8 mm Ø 4 x 8 mm DL 5 150K Ø 3 x 16 mm Ø 3 5 x 16 mm 49 5 1 9 44 5 1 7 ø 2 7 x 8 0 11 x 0 3 ø 3 5 x 8 0 14 x 0 3 ø 6 1 ø 0 24 DL A Rp DL AT NPT DL 1 5A DL 3A DL 3K 49 5 1 9 44 5 1 7 ø 2 7 x 8 ø 0 11 x 0 3 ø 3 5 x 8 ø 0 14 x 0 3 DL A Rp DL AT NPT DL 5 150A 9 5 0 4 9 5 0 4 15 5 0 6 45 1 8 54 5 2 1 6 0 2 ø 3 x 16 ø 0 11 ...

Страница 4: ...his power rating or higher power rating CAUTION To ensure that the DL is not damaged during operation note the switching capacity see page 7 8 Technical data In the case of low switching capacities such as 24 V 8 mA for example we recommend using an RC mod ule 22 Ω 1 μF in air containing silicone or oil NO C 1 µF R 22 Ω 2 NC 1 COM 3 1 Disconnect the system from the electrical power supply 2 3 4 5 ...

Страница 5: ...x DL 1 5A 0 5 1 5 50 0 1 0 16 DL 3A DL 3K 0 2 3 50 0 1 0 16 DL 3AT DL 3KT 0 3 3 150 0 1 0 16 DL 5A DL 5K 0 4 6 300 0 2 0 3 DL 5AT DL 5KT 0 5 5 300 0 2 0 3 DL 10A DL 10K DL 10AT DL 10KT 1 10 300 0 25 0 4 DL 30A DL 30K 2 5 30 300 0 35 0 9 Adjusting range1 mbar Max inlet pres sure2 mbar Mean switching differential3 mbar min max min max DL 50A DL 50K DL 50AT DL 50KT 2 5 50 300 0 8 1 5 DL 150A DL 150K ...

Страница 6: ...0430 230 V AC I 0 6 mA Order No 74920429 Pilot lamp blue 110 120 V AC I 1 2 mA Order No 74916121 230 V AC I 0 6 mA Order No 74916122 1 2 3 4 NC 1 COM 3 NO NO 2 N NO 2 NC 1 COM 3 L1 N NC 1 COM 3 NO NC 2 N NO 2 NC 1 COM 3 L1 N 7 2 Red green pilot LED for 24 V DC AC or for 110 V AC to 230 V AC 24 V DC I 16 mA 24 V AC I 8 mA Order No 74921089 110 V AC to 230 V AC Order No 74923275 1 2 3 4 NC 1 COM 3 N...

Страница 7: ...mponent Tightening torque Ncm Cover screws 65 M16 x 1 5 cable gland 50 Clamping terminal screws 80 Rp 1 8 connection on upper housing section 250 Rp 1 4 1 4 NPT connection on lower housing section 600 8 3 Electrical data Line entrance M16 x 1 5 1 2 NPT conduit clamping range diameters of 4 to 10 mm Type of connection screw terminals cable diameter 0 5 to 1 8 mm AWG 24 to AWG 13 8 3 1 Switching cap...

Страница 8: ...mage on the unit or packaging without delay Check that the delivery is complete Storage Storage temperature see page 7 8 Technical data Storage is subject to the ambient conditions described Storage time 6 months in the original packaging before using for the first time If stored for longer than this the overall service life will be reduced by the corresponding amount of extra storage time 12 DISP...

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