GEM 0324 User manual

GEMÜ 0324

Electrically operated pilot solenoid valve

Operating instructions

further information

webcode: GW-0324

All rights including copyrights or industrial property rights are expressly reserved.

Keep the document for future reference.

24.02.2020

www.gemu-group.com2 / 21GEMÜ 0324

Contents

1 General information .................................................. 4

1.1 Information .......................................................... 4

1.2 Symbols used ...................................................... 4

1.3 Definition of terms .............................................. 4

1.4 Warning notes ..................................................... 4

2 Safety information .................................................... 5

3 Product description ................................................... 5

4 GEMÜ CONEXO ......................................................... 6

5 Correct use ............................................................... 6

6 Order data ................................................................. 7

7 Technical data .......................................................... 10

8 Dimensions ............................................................... 12

9 Manufacturer's information ....................................... 13

9.1 Delivery ................................................................ 13

9.2 Transport ............................................................. 13

9.3 Storage ................................................................. 13

10 Installation ................................................................ 13

11 Electrical connection ................................................. 14

11.1 Plug design A ....................................................... 15

11.2 M12 plug (code 02, 03) ....................................... 16

11.3 Manual override (option) .................................... 16

12 Commissioning ......................................................... 16

13 Troubleshooting ........................................................ 17

14 Inspection and maintenance ...................................... 18

15 Disassembly .............................................................. 18

16 Disposal .................................................................... 18

17 Returns ..................................................................... 18

18 Declaration of conformity in accordance with

2014/35/EU (Low Voltage Directive) and 2014/30/EU

(EMC Directive) ......................................................... 19

19 EU Declaration of conformity in accordance with

2014/34/EU (ATEX) ................................................... 20

GEMÜ 0324www.gemu-group.com 3 / 21

www.gemu-group.com4 / 21GEMÜ 0324

1 General information

1.1 Information

– The descriptions and instructions apply to the stand-

ard versions. For special versions not described in this

document the basic information contained herein ap-

plies in combination with any additional special docu-

mentation.

– Correct installation, operation, maintenance and repair

work ensure faultless operation of the product.

– Should there be any doubts or misunderstandings, the

German version is the authoritative document.

– Contact us at the address on the last page for staff

training information.

1.2 Symbols used

The following symbols are used in this document:

Symbol Meaning

Tasks to be performed

Response(s) to tasks

– Lists

1.3 Definition of terms

Working medium

The medium that flows through the GEMÜ product.

1.4 Warning notes

Wherever possible, warning notes are organised according to

the following scheme:

SIGNAL WORD

Type and source of the danger

Possible

symbol for the

specific

danger

Possible consequences of non-observance.

Measures for avoiding danger.

Warning notes are always marked with a signal word and

sometimes also with a symbol for the specific danger.

The following signal words and danger levels are used:

DANGER

Imminent danger!

▶Non-observance can cause death or

severe injury.

WARNING

Potentially dangerous situation!

▶Non-observance can cause death or

severe injury.

CAUTION

Potentially dangerous situation!

▶Non-observance can cause moderate

to light injury.

NOTICE

Potentially dangerous situation!

▶Non-observance can cause damage to

property.

The following symbols for the specific dangers can be used

within a warning note:

Symbol Meaning

Danger of explosion

Risk of electric shock

Protect against leakage!

Danger of burning from hot surfaces!

www.gemu-group.com 5 / 21 GEMÜ 0324

2 Safety information

The safety information in this document refers only to an indi-

vidual product. Potentially dangerous conditions can arise in

combination with other plant components, which need to be

considered on the basis of a risk analysis. The operator is re-

sponsible for the production of the risk analysis and for com-

pliance with the resulting precautionary measures and re-

gional safety regulations.

The document contains fundamental safety information that

must be observed during commissioning, operation and main-

tenance. Non-compliance with these instructions may cause:

– Personal hazard due to electrical, mechanical and

chemical effects.

– Hazard to nearby equipment.

– Failure of important functions.

– Hazard to the environment due to the leakage of dan-

gerous materials.

The safety information does not take into account:

– Unexpected incidents and events, which may occur

during installation, operation and maintenance.

– Local safety regulations which must be adhered to by

the operator and by any additional installation person-

nel.

Prior to commissioning:

1. Transport and store the product correctly.

2. Do not paint the bolts and plastic parts of the product.

3. Carry out installation and commissioning using trained

personnel.

4. Provide adequate training for installation and operating

personnel.

5. Ensure that the contents of the document have been fully

understood by the responsible personnel.

6. Define the areas of responsibility.

7. Observe the safety data sheets.

8. Observe the safety regulations for the media used.

During operation:

9. Keep this document available at the place of use.

10. Observe the safety information.

11. Operate the product in accordance with this document.

12. Operate the product in accordance with the specifications.

13. Maintain the product correctly.

14. Do not carry out any maintenance work and repairs not de-

scribed in this document without consulting the manufac-

turer first.

In cases of uncertainty:

15. Consult the nearest GEMÜ sales office.

3 Product description

3.1 Construction

Item Name Materials

1 Plug PA

2 Coil housing Standard: PA 6

M12 connection: Duroplast

(Epoxyd NU463)

ATEX version: PPS

3 Valve body PBT

4 Hollow bolt Aluminium

Seal materials FPM

3.2 Description

The GEMÜ 0324 directly controlled 3/2-way pilot solenoid

valve is designed for direct mounting to pneumatically oper-

ated valves. The body is made of plastic. The coil is plastic

encapsulated.

3.3 Functional description

GEMÜ 0324 is a 3/2-way pilot solenoid valve. GEMÜ 0324 is

designed for direct mounting (hollow bolt) to pneumatically

operated valves or other devices.

3.3.1 Safety function

The fail-safe state is defined as the state where the solenoid

valve is de-energized and the valve is returned to the CLOSED

position (de-energized).

3 Product description

www.gemu-group.com6 / 21GEMÜ 0324

4 GEMÜ CONEXO

In the corresponding design with CONEXO, this product has

an RFID chip for electronic identification purposes. The posi-

tion of the RFID chip can be seen below. The CONEXO pen

helps read out information stored in the RFID chips. The CON-

EXO app or CONEXO portal is required to view this informa-

tion.

Installing the RFID chip

RFID chip

5 Correct use

DANGER

Danger of explosion

▶Danger of death or severe injury.

●Only use the product in potentially ex-

plosive zones confirmed in the declara-

tion of conformity.

WARNING

Improper use of the product

▶Risk of severe injury or death.

▶Manufacturer liability and guarantee will be void.

●Only use the product in accordance with the operating

conditions specified in the contract documentation and in

this document.

1. Use the product in accordance with the technical data.

The GEMÜ 0324 directly controlled 3/2-way pilot solenoid

valve is designed for direct mounting to pneumatically oper-

ated valves. The body is made of plastic. The coil is plastic

encapsulated.

5.1 Product without ATEX, code 06, 08, 09

The product is not intended for use in potentially explosive

areas.

5.2 Product with ATEX, code 04, 05, 07, 11

The product with the ATEX ordering option is intended for use

in potentially explosive areas of zone 2 with gases, mists or

vapours and zone 22 with combustible dusts in accordance

with EU directive 2014/34/EU (ATEX).

The product has the following explosion protection marking:

Gas: II 2G Ex mb II T4

Dust: II 2D Ex tD A21 IP65 T130°C

Type examination certificate: PTB 03 ATEX 2018 X

The product has been developed in compliance with the fol-

lowing harmonised standards:

– DIN EN 60079-0:2012+A11:2013

– DIN EN 60079-7:2015

– DIN EN 60079-15:2010

– DIN EN 60079-31:2014

Use of the product is permissible in the following ambient

temperature ranges: 0 to +60°C

For use in potentially explosive areas, the following

conditions or operation limits must be observed:

The following special conditions must be complied with:

1. Connection cables and connectors must be protected

from damage.

2. Layers of dust > 5 mm must be removed.

3. Warning label "Danger from electrostatic build-up".

4. Warning label "Do not disconnect when live".

6 Order data

The order data provide an overview of standard configurations.

Please check the availability before ordering. Other configurations available on request.

Order codes

1 Type Code

Pilot solenoid valve, directly controlled,

direct mount/hollow bolt

0324

2 DN Code

DN 2 2

3 Body configuration Code

Multi-port version M

4 Connection type Code

Threaded socket DIN ISO 228,

with hollow bolt G 1/4

Threaded socket DIN ISO 228,

with hollow bolt G 1/8

Threaded socket DIN ISO 228,

with hollow bolt M5

5 Valve body/solenoid material Code

PA, polyamide 74

6 Seal material Code

FPM 4

7 Control function Code

Normally closed (NC) 1

Normally open (NO) 2

8 Voltage/Frequency Code

24 V DC C1

24 V/50 - 60 Hz C4

120 V/50 - 60 Hz G4

230 V/50 - 60 Hz L4

9 Electrical connection Code

Plug design A 00

Plug design A,

with cable socket, without cable

M12 plug,

(only NC and 24V DC version)

M12 plug,