INSTALLATION INSTRUCTIONS
843/845 OUTLET PRESSURE ADJUSTMENT
WARNING: to ensure the correct operation of the modulator it is necessary that the plastic cap E is
returned to its original location
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 provided. After testing, carefully seal test
points with the provided screws. Recommended
torque: 1.0 Nm.
Disconnect pressure regulator connection
"VENT" (if used).
Maximum Pressure: power the modulator in
·
the maximum condition. Screw in the nut C to
increase the outlet pressure and screw it out to
decrease it. Use a 10 mm spanner.
Minimum Pressure: Turn off the power supply
·
to the modulator and, keeping the nut C sta-
tionary. Screw in the D to increase the pres-
sure and screw it out to decrease it. Screwdriv-
er 6 x 1 blade. Carefully put back the modula-
tor plastic cap. Reconnect pressure regulator
connection (if used).
.
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