10
ES
FR
EN
IT
M90W
Madas Technical Manual
- 9|9.3 - REV. 1 of 6
th
Apr 2023
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.
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.
