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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
mains
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.
4.0 - ELECTRICAL CONNECTIONS (see diagrams fig. 3 and 4)
They must be carried out with the system stopped and NOT electrically powered.
• Prior to carrying out any electrical wiring operations, make sure that the mains voltage matches the supply voltage indicated
on the product label.
• NOTE: The wiring operations must be carried out ensuring the product's IP65 protection rating;
• Undo the fixing screws (9) and remove the cover (10).
• Connect the power supply to the power terminals using the appropriate cable terminals. The 12 V and 24 V versions can be
powered both with direct current and with alternating current. The connection terminals are not polarised.
• For the electrical connection, use the cable indicated in the valve instruction sheet:
• Relay for valve/alarm/failure (Max 3A 30Vdc - Max 5A 250Vac):
N.O. : Normally open contact
C : Common contact
N.C. : Normally closed contact
• Normally closed contact - DIG IN
Contact to be used for connection with gas leak detector or for emergency closure button. The contact is dry and must not
be powered.
• After making the connection put the cover (10) back in its original position and fasten it using the relevant screws (9)
making sure that the gasket (11) is inside the groove.
M90W
5. Electrical power supply
6. Gas detector
7. SM remote jerk ON/OFF valve lever control
8. Seismic device - wall installation
10
Madas Technical Manual - 9|9.3 - REV. 1 of 6
application
Apr 2023
th
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