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9

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M90W

Madas Technical Manual

 - 9|9.3 - REV. 0 of 1

th

 May 2018

2.0  TECHNICAL DATA

• Ambient temperature 

: -20 ÷ +60°C

• Supply voltage 

: 12 Vdc - 12 V/50 Hz - 24 Vdc - 24 V/50 Hz - 110 V/50 Hz - 230 V/50-60 Hz*

• Supply voltage tolerance 

: -15% ... +10%

• Electric wiring 

: cable gland PG 11

• Absorbed power 

: 3 VA

• Protection rating 

: IP65

• In compliance with 

: EMC Directive 2014/30/EU - LVD Directive 2014/35/EU - RoHS II Directive 2011/65/EU

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

 

3.0  FIRST STARTUP

  3.1  OPERATIONS PRIOR TO INSTALLATION

• Before start-up, make sure that all the instructions on the rating plate are observed;
• Cut off power prior to proceeding with wiring;
• Provide a protection against impacts or accidental contacts if the device is accessible to unqualified personnel.

  3.2  WALL INSTALLATION

It must be installed securely, fastened to an element integral with the ground (wall, masonry fences).

• Fasten (screws not supplied) the device to the building structure using the fixing holes on the bracket (

5

) provided; 

• It must only be installed in a vertical position (see installation example in 3.3 and fig. 1);

• Perform the connection with the solenoid valve on the system.

3.3  GENERIC EXAMPLE OF INSTALLATION

1.   Manual reset solenoid valve 
2.   SM jerk ON/OFF valve
3.   RG/2MC pressure regulator
4.   Pressure gauge

5.  Electrical power supply
6.  Gas detector
7.   SM remote jerk ON/OFF valve lever control

8.  Seismic device - wall installation

mains

application

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

The device is not suitable for use in potentially explosive areas.

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