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© 2012 Elster GmbH · Edition 08.12

03251233

Safety

Please read and keep in a safe place

 Please read through these instructions 

carefully before installing or operating. Following the 
installation, pass the instructions on to the opera-
tor. This unit must be installed and commissioned 
in accordance with the regulations and standards 
in force. These  instructions can also be found at 
www.docuthek.com.

Explanation of symbols
 • ,  1 ,  2 ,  3 

... = Action

 

= Instruction

Liability

We will not be held liable for damages resulting 
from non-observance of the instructions and non-
compliant use.

Safety instructions

Information that is relevant for safety is indicated in 
the instructions as follows:

 DANGER

Indicates potentially fatal situations.

 WARNING

Indicates possible danger to life and limb.

 CAUTION

Indicates possible material damage.

All interventions may only be carried out by qualified 
gas technicians. Electrical interventions may only be 
carried out by qualified electricians.

Conversion, spare parts

All technical changes are prohibited. Only use OEM 
spare parts.

Transport

On receipt of the product, check that the delivery is 
complete (see Part designations). Report any trans-
port damage immediately. 

Storage

Store the product in a dry place. Ambient tempera-
ture: see Technical data.

Contents

Operating instructions

D

GB

F

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GB-1

03251233

Translation from the German

Pressure switches for gas DG..S 

for NH

3

 and O

2

 

Pressure switches for gas DG..S for NH

3

 

and O

2

 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Contents  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Checking the usage . . . . . . . . . . . . . . . . . . . . . 2

Type code  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Part designations . . . . . . . . . . . . . . . . . . . . . . . . 2

Type label. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Installation  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Wiring  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Adjustment  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Tightness test . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Technical data  . . . . . . . . . . . . . . . . . . . . . . . . . 4

Declaration of conformity . . . . . . . . . . . . . . . . 4
Contact  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Safety

Contents

Содержание DG..S Series

Страница 1: ... WARNING Indicates possible danger to life and limb CAUTION Indicates possible material damage All interventions may only be carried out by qualified gas technicians Electrical interventions may only be carried out by qualified electricians Conversion spare parts All technical changes are prohibited Only use OEM spare parts Transport On receipt of the product check that the delivery is complete se...

Страница 2: ...orrosion of the lower section pressure supply can become blocked and de formation of the diaphragm causing the switching point to shift Continuous operation at high temperatures accel erates the ageing of elastomer materials In places where a high thermal capacity is required thermal equipment trips must be installed upstream of the DG Use approved sealing material only Check max ambient temperatu...

Страница 3: ...ed during operation Note the switching capacity see page 4 Tech nical data 1 Disconnect the system from the electrical power supply M16 x 1 5 ø 4 5 10 mm 3 4 2 5 6 7 M16 x 1 5 ø 4 5 10 mm 3 4 2 5 6 7 Contacts 3 and 2 close when subject to increas ing pressure Contacts 1 and 3 close when sub ject to falling pressure NO 2 NC 1 COM 3 L1 COM 3 NC 1 NO 2 Adjustment The switching point is adjustable via...

Страница 4: ...entire system temporarily 15 minutes 2 bar Switching capacity DG U 24 250 V AC I 0 05 5 A at cos ϕ 1 I 0 05 1 A at cos ϕ 0 6 DG G U 5 250 V AC I 0 01 5 A at cos ϕ 1 I 0 01 1 A at cos ϕ 0 6 DG G U 5 48 V DC I 0 01 1 A Max medium temperature 15 to 80 C Storage and transport temperature 40 to 80 C RoHS compliant pursuant to 2002 95 EC Diaphragm pressure switch silicone free Diaphragm IIR Housing glas...

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