Madas M14/RM N.C Manuale utente

ELETTROVALVOLA A RIARMO MANUALE NORM. CHIUSA PER GAS

NORMALLY CLOSED MANUAL RESET SOLENOID VALVE FOR GAS

ÉLECTROVANNE A RÉARMEMENT MANUEL NORMALEMENT FERMÉE POUR GAZ

ELECTROVÁLVULA CON REARME MANUAL NORMALMENTE CERRADA PARA GAS

CE-51AT1438

MADE IN ITALY

IT EN FR ES

M14/RM N.C. - M14/RMC N.C.

M16/RMO N.C.

0497

0051

Omologazione CE secondo EN 161, conforme Regolamento (UE) 2016/426, Direttiva PED 2014/68/UE

EC approval according to EN 161, compliant with Regulation (EU) 2016/426, PED Directive 2014/68/EU

Homologation CE conformément à la norme EN 161, au Règlement (UE) 2016/426, Directive PED 2014/68/UE

Homologación CE según EN 161, conforme con el Reglamento (UE) 2016/426, Directiva PED 2014/68/UE

ITENFRES

INDICE  INDEX  INDEX  ÍNDICE

pag.

Italiano ........................................................................................................................................................3

English ........................................................................................................................................................13

Français ......................................................................................................................................................23

Español .......................................................................................................................................................33

Disegni - Drawings - Dessins - Diseños. ...........................................................................................................43

Dimensioni (tabella 1) ...................................................................................................................................45

Dimensions (table 1) .....................................................................................................................................

Dimensions (tableau 1) ..................................................................................................................................

Dimensiones (tabla 1) ....................................................................................................................................

Bobine e connettori di ricambio (tabella 2) ........................................................................................................46

Spare coils and connectors (table 2) ...............................................................................................................

Bobines et connecteurs de rechange (tableau 2) ...............................................................................................

Bobinas y conectores de recambio (tabla 2) ......................................................................................................

Diagramma - Diagram - Diagramme - Diagrama ∆p ............................................................................................ 47

IT EN FR ES

1.0  GENERAL INFORMATION

This manual shows you how to safely install, operate and use the device.

The instructions for use ALWAYS need to be available in the facility where the device is installed.

ATTENTION: installation/wiring/maintenance need to be carried out by qualiﬁed staff (as explained

in section 1.3) by using suitable personal protective equipment (PPE).

For any information pertaining to installation/wiring/maintenance or in any case problems that cannot be solved with the

instructions, contact the manufacturer by using the address and phone numbers provided on the last page.

1.1  DESCRIPTION

Normally closed, manual reset solenoid valves for gas, suitable to shut off gas both to signal danger sent by gas detectors

(methane, LPG, carbon monoxide and similar) or safety thermostats, and in the event of a power cut.

For additional safety, this solenoid valve can only be reset with the power supply on and only when the gas detector is not

signalling danger.

IMPORTANT NOTE: The valve will not open by simply powering the coil. You must manually press the reset

mechanism (as indicated in 4.0).

Reference standards: EN 161 - EN 13611.

1.2  KEY OF SYMBOLS

ATTENTION: Attention

is drawn to the technical

details intended for

qualiﬁed staff.

DANGER:

In the event of

inobservance, this may cause damage

to tangible goods, to people and/or pets.

DANGER: In the event

of inobservance, this may

cause damage to tangible

goods.

FRES

1.3  QUALIFIED STAFF

These are people who:

•Are familiar with product installation, assembly, start-up and maintenance;

•Know the regulations in force in the region or country pertaining to installation and safety;

•Are trained on ﬁrst aid.

1.4  USING NONORIGINAL SPARE PARTS

•To perform maintenance or change parts (e.g. coil, connector, etc.) ONLY manufacturer-recommended parts can be used.

Using different parts not only voids the product warranty, it could compromise correct device operation.

•The manufacturer is not liable for malfunctions caused by unauthorised tampering or use of non-original parts.

1.5  IMPROPER USE

•The product must only be used for the purpose it was built for.

•It is not allowed to use ﬂuids other than those expressly stated.

•The technical data set forth on the rating plate must not, under any circumstances, be exceeded. The end user or installer is

in charge of

implementing correct systems to protect the device, which prevent the maximum pressure indicated on the rating plate

from being exceeded.

•The manufacturer is not responsible for any damage caused by improper use of the device.

IT EN FR ES

2.0  TECHNICAL DATA

• Use : non-aggressive gases of the three families (dry gases)

• Ambient temperature : -20 ÷ +60°C

• Supply voltages (see table 2) : 12 Vdc, 12 V/50 Hz, 24 Vdc, 24 V/50 Hz, 110 V/50-60 Hz, 230 V/50-60 Hz*

• Power supply tolerance : -15% ... +10%

• Electric wiring : cable gland M20x1.5

• Absorbed power : see table 2

• Maximum operating pressure : 500 mbar (M14/RM N.C. - M14/RMC N.C.)

500 mbar - 6 bar (M16/RMO N.C. - see product label)

• Closing time : <1 s

• Protection rating : IP65

• Class : A

• Mechanical resistance : Group 2

• Rp Threaded connections : (DN 15 - DN 20 - DN 25) according to EN 10226

• NPT Threaded connections : request feasibility

• Filter element : 1 mm wire mesh (only for M14/RM N.C. - M14/RMC N.C.)

• In compliance with : Regulation (EU) 2016/426 (Appliances burning gaseous fuels)

PED Directive 2014/68/EU (versions with P.max = 6 bar)

EMC Directive 2014/30/EU - LVD Directive 2014/35/EU

RoHS Directive II 2011/65/EU

* Only single-phase, the device does not work if powered with three-phase voltage.

2.1  MODEL IDENTIFICATION

M14/RM N.C. : Die-cast aluminium body (Rp DN 15 - Rp DN 20 - Rp DN 25) - max P. 0.5 bar

M14/RMC N.C. : Die-cast aluminium body (Rp DN 25 compact) - max P. 0.5 bar

M16/RMO N.C. : Brass body (Rp DN 15 - Rp DN 20 - Rp DN 25) - max P. 0.5 - 6 bar

FRES

3.0  COMMISSIONING THE DEVICE

3.1  OPERATIONS PRIOR TO INSTALLATION

•It is necessary to close the gas upstream of the valve prior to installation;

•Make sure that the line pressure DOES NOT EXCEED the maximum pressure declared on the product label;

•Any protective caps (if any) must be removed prior to installation;

•Valve pipes and insides must be clear of any foreign bodies;

• Make sure that the pipe thread is not too long, to prevent damaging the body of the device when screwing it on;

•In accordance with EN 161, a suitable ﬁlter must be installed upstream of a gas closing safety device;

•With outdoor installation, it is advisable to provide a protective roof to prevent rain from damaging the electrical parts of

the device;

•Prior to carrying out any electrical wiring operations, make sure that the mains voltage matches the supply voltage indicated

on the product label;

•Cut off power prior to proceeding with wiring;

•According to the plant geometry, check the risk of an explosive mixture arising inside the piping;

•If the solenoid valve is installed near other devices or as part of an assembly, compatibility between the solenoid

valve and this other device must be evaluated beforehand;

• Avoid installing the solenoid valve near surfaces that could be damaged by the coil’s temperature;

•Provide a protection against impacts or accidental contacts if the solenoid valve is accessible to unqualiﬁed personnel.

3.2  INSTALLATION (see example in 3.4)

•Assemble the device by screwing it, with the due seals, onto the plant with pipes and/or ﬁttings whose threads are consistent

with the connection being attached;

•Do not use the coil (12) as a lever to help you screw it on, only use the speciﬁc tool;

IT EN FR ES

•The arrow, shown on the body (5)of the device, needs to be pointing towards the application;

•The device can also be installed vertically without affecting correct operation. It cannot be put in upside

down (with the coil (12) pointing downwards);

•During installation, avoid debris or metal residues from getting into the device;

•To guarantee mechanical tension-free assembly, we recommend using compensating joints, which also

adjust to the pipe’s thermal expansion;

•If the device is to be installed in a ramp, it is the installer’s responsibility to provide suitable or correctly sized supports to hold

and secure the assembly. Never, for any reason whatsoever, leave the weight of the ramp only on the connections (threaded or

ﬂanged) of the individual devices;

•In any case, following installation, check the tightness of the plant;

• Wiring cannot have cables connected directly to the coil. ALWAYS and ONLY use the connector identiﬁed by the manufacturer;

•Before wiring the connector (1), unscrew and remove the central screw (14). Use the designated cable terminals (see ﬁgures

below). NOTE: Coil and/or connector wiring (1) need to be carried out taking care to ensure the IP65 rating of the product;

•Wire the connector (1) with 3x0.75mm² cable for external Ø 6.2 to 8.1 mm. The cable must be in double sheath, suitable for

outdoor use, with a minimum voltage of 500V and a temperature of at least 90°C;

•Connect terminals 1 and 2 to the power supply and the earth cable to terminal ;

•Secure the connector (1) to the coil (12) by tightening (recommended tightening torque 0.4 N.m ± 10%) the centre screw

(14);

•The valve needs to be connected to earth either through the pipe or through other means (e.g. cable jumpers).

FRES

3.3  INSTALLATION IN PLACES WHERE THERE IS THE RISK OF EXPLOSION (DIRECTIVE 2014/34/EU)

The solenoid valve is not suitable for use in potentially explosive areas.

3.4  GENERIC EXAMPLE OF AN INSTALLATION

1. M14/RM N.C. Manual reset solenoid valve

2. SM jerk ON/OFF valve

3. FM gas ﬁlter

4. OPSO series MVB/1 MAX shut off valve

5. RG/2M pressure regulator

6. MVSP/1 relief valve

7. Pressure gauge and relative button

8. Gas detector

9. SM remote jerk ON/OFF valve lever control

10. Expansion joint/anti-vibration mount

discharge in open air

internal thermal unit

external roof

piping

applicaon

IT EN FR ES

4.0  MANUAL RESET (see ﬁg.1 and 2)

To reset the solenoid valve:

• Make sure there is power;

•Closetheﬂowdownstreamofthesolenoidvalveinordertobalancethepressurebetweenupstreamanddownstreamwhenopening;

•Loosen completely and remove the protective cover (7);

•Fully press the reset pin (6) and wait a few seconds for the pressure upstream and downstream of the valve to stabilise until it

locks into place*;

•Screw the protective cover (7) back on in its original place. Or seal it in that position.

5.0  FIRST STARTUP

•Before start-up make sure that all of the instructions on the rating plate, including the direction of ﬂow, are

observed;

•After having gradually pressurised the system, check the tightness and operation of the solenoid valve.

IMPORTANT NOTE: Do not use the connector as a switch to close the solenoid valve.

5.1

- RECOMMENDED PERIODIC CHECKS

•Check the tightness of the ﬂanged/threaded connections on the system;

•Check the tightness and operation of the solenoid valve;

It is the responsibility of the ﬁnal user or installer to deﬁne the frequency of these checks based on the severity of the service

conditions.

FRES

6.0  MAINTENANCE

No maintenance operations need to be carried out inside the device.

If the coil and/or electronic board/connector need to be replaced:

•Before performing any operation, make sure that the device is not electrically powered;

•Since the coil is also suitable to be permanently powered, coil heating in case of continuous operation is an entirely

normal phenomenon. It is advisable to avoid touching the coil with bare hands after a continuous power supply lasting

longer than 20 minutes. In case of maintenance, wait for the coil to cool down or, if necessary, use suitable protections;

NOTE: if the coil (12) needs to be changed following an electrical failure, we recommend changing the connector (1) as well.

The coil and/or connector replacement operations need to be carried out taking care to ensure the product’s IP65 rating.

6.1 - REPLACING THE CONNECTOR

•Fully unscrew and remove the central screw (14), then remove the connector (1) from the coil (12);

•When you have taken out the existing internal electrical wiring, wire the new connector and secure it to the coil, as shown in 3.2;

6.2 - REPLACING THE COIL

•Fully unscrew and remove the central screw (14), then remove the connector (1) from the coil (12);

•Loosen the screw (13) that locks the coil (12) and take it out from the armature assembly (11 ) along with the gaskets/discs;

•Insert the new coil + seals + discs into the armature assembly (11 ) and secure everything with the screw;

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