I N S T A L L A T I O N
Main gas connection
The connection must be made using gas pipes with Rp 1/2 ISO 7. Torque: 25 Nm.
If optional flanges are used, first screw the pipes onto the flanges and then the flanges
onto the valve. Recommended torque for flange fixing screws: 3 Nm.
Connection to the pilot burner
Ø 4 mm, Ø 6 mm or Ø 1/4 pipes can be used. Use appropriately sized nut and olive.
Tighten to 7 Nm torque.
Connection to the combustion chamber
The “air” section of the pressure regulator may be connected to the combustion chamber
if the latter is under pressure.
Use the SIT fittings provided. Torque: 1 Nm
Electrical connections
The use of special connectors is recommended for the mains powered versions. In order to
ensure that the valve is connected to the appliance’s earth circuit, always use the power
connector with the earth terminal, fixing it with the appropriate screw.
The 24 VAC versions must be powered by an isolating transformer (at a very low safety
voltage as per EN 60742). Use AMP 6.3x0.8 mm DIN 46244 terminals for the connection.
Make the connections according to the specific standards for the appliance.
All relevant safety devices (e.g. the overheat thermostat) must cut off the power supply to
the magnet unit.
CAUTION:
When all the connections have been completed, check the gas seals and wiring
insulation.
6
4
2
8
10 12
WIRING DIAGRAMS
Ambient thermostat
V~
V~
