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Siemens VGD40.080/L User Manual

Siemens VGD40.080/L
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CC1U7643en
14.03.2018
Building Technologies
Operation Manual and Mounting Instructions for a
VGD4/VRD4 double gas valve with 2 SKPx5
actuators
Β
Note!
The combination of a VGD4/VRD4 double gas valve with a QPLx5 pressure switch
and SKPx5 actuator does not require any maintenance.
Caution!
This document is intended for end users. All legal, safety, warning, and
technical notes contained in the data sheets for the SKPx5 actuator (N7643),
VGD4 double gas valve (N7631), VRD4 double gas valve for biogases and
recycling gases (N7649), and the QPLx5 pressure switch (N7221) are also
applicable!
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Siemens VGD40.080/L Specifications

General IconGeneral
BrandSiemens
ModelVGD40.080/L
CategoryControl Unit
LanguageEnglish

Summary

1 Product Usage

1.1 SKP15 Actuator Function

Explains the SKP15 actuator as a safety shutoff valve with slow opening and rapid closing.

1.2 SKP25 Actuator Function

Details the SKP25 actuator as a safety shutoff valve and gas pressure governor.

1.3 Application Example

Illustrates common combinations of VGD4/VRD4 valves with SKP15 and SKP25 actuators.

2 SKPx5 Actuator Overview

2.1 SKPx5 Electrical Connection

Covers electrical connections for SKPx5 actuators, including voltage options and end switch integration.

2.2 SKP15 Actuator Components

Describes SKP15 actuator components: valve stroke display, LED, power supply, and end switch.

2.3 SKP25 Actuator Components

Outlines SKP25 actuator components: valve stroke display, LED, power supply, end switch, and setpoint spring.

2.4 VGD4/VRD4 Valve Details

Details the VGD4/VRD4 double gas valve, including operating conditions and safety notes.

2.7 Installation Dimensions

Provides installation dimensions for VGD4 double gas valves with SKPx5 actuators.

2.8 Valve Pressure Connections

Illustrates pressure connections for VGD4/VRD4 valves, including pilot gas and pressure switch ports.

3 QPLx5 Pressure Switch Description

3.1 QPLx5 Functionality

Explains the QPLx5 pressure switch's function to monitor gas pressure and change electrical circuits at set points.

3.2 QPLx5 Attachment Options

Shows various options for attaching QPLx5 pressure switches to the valve system.

4 System Connection Diagrams

4.1 Min/Max Pressure Switch Operation

Illustrates how pressure switches operate as minimum/maximum pressure monitors within the system.

4.2 AGA65 Connector Wiring

Details the electrical connection via the AGA65 connector as per DIN 43650 standard.

5 Technical Specifications

5.1 SKPx5 Actuator Specs

Lists technical specifications for the SKPx5 actuator, covering climatic, mechanical, and temperature conditions.

5.2 VGD4/VRD4 Valve Specs

Provides technical data for the VGD4/VRD4 double gas valve, including operating and environmental conditions.

5.3 QPLx5 Pressure Switch Specs

Details technical specifications for the QPLx5 pressure switch, including environmental and temperature ranges.

6 Spare Parts and Accessories

7 Product Lifetime

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