Settings And Adjustments - Sit 630 EUROSIT Manual Del Usuario

SETTINGS AND ADJUSTMENTS

All adjustments must be made on the basis of the specific characteristics of the appliance.
Check inlet and outlet pressure using the pressure test points
the provided screws. Recommended torque: 2.5 Nm.
Adjusting maximum and minimum outlet flow
These adjustments must be made when the thermostatic bulb is cold.
Maximum flow (versions without pressure regulator) - fig. A.
Turn the knob to position 7. Screw in the adjustment screw 4
increase the gas flow.
CAUTION: After screwing in fully, do not unscrew the adjustment screw more than two turns.
Overriding the flow adjustment function
Screw in the adjustment screw
adjustment function may be excluded by substituting the adjustment screw
In this case the plug must be fixed firmly.
Maximum flow (versions with pressure regulators) - fig. A'
Turn the knob to position 7. Screw the adjustment screw
Overriding pressure regulator
Rotate the adjustment screw 2' completely in a clockwise direction.
Minimum flow
Starting from position 7, slowly turn the knob clockwise to the minimum flow position (just before the main burner
shut-off). Turn screw anticlockwise to increase the flow. It is possible to use screws with calibrated holes (available
3
on request) to replace the maximum and minimum flow adjustment screws. In this case, it is necessary to tighten
these screws to a torque of 7 Nm.
Adjustment of gas flow to the pilot burner
Turn screw clockwise to reduce the flow.
5
Overriding the pilot flow adjustment function
Screw in adjustment screw fully and then unscrew it two complete turns.
5
Seal the adjustment.
Changing the gas family or group
Check that the appliance is suitable for operation with the gas family or group desired.
Following the instructions given above, adjust the outlet pressure to the values given in the appliance's instruction
booklet. With Family III gas: override the maximum flow adjustment or the pressure regulator according to the version.
Override the adjustment of the gas flow to the pilot burner.
IMPORTANT: At the end of all setting and adjustment operations, check gas seals and the efficiency of the appliance. It
is particularly important to check that flame lift or light back to minimum and maximum outlet pressures are absolutely
impossible. After carrying out all adjustments, fit the provided seals and/or block the setting screws with paint.
MAINTENANCE
The only maintenance operation permitted is the replacement of the magnet unit. This operation must be carried
out by qualified personnel only and according to the instructions provided in the instruction leaflet supplied with
the spare parts.
ACCESSORIES
Calibrated maximum flow screws
Calibrated minimum flow screws
Pressure regulator 3-18 mbar
3/8 sealing plug for unused outlets
Nut and Olive connection for connection to pilot burner with pipes of: Ø 4 mm
Sand coloured cover with screw
Sand coloured cover with screw and piezo ignition
Disc adaptor for remote control
Other accessories are available on request
and
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2
2 fully, unscrew it two complete turns and seal it. Alternatively, the gas flow
clockwise to increase gas flow.
2'
Ø 6 mm
Ø 1/4
. After testing, carefully seal test points with
7
fully, turn the adjustment screw anticlockwise to
with the plug code 0.972.057.
2
0.907.630
0.972.058
0.958.030
0.958.031
0.958.032
0.973.044
0.073.954
0.997.209
7