22
N° 0002931170
AIR REGULATION SERVOMOTOR
SQN 30 401 A 2700
Main valve/s feeding
Air ignition opening
Total air closure
(burner at a standstill)
Maximum opening
end of the run
Motor-Cam shaft coupling exclusion pin.
Push it to disconnect motor from cam sheft.
To change cam position, operate the respective red rings.
By pushing hard enough in the desired direction, all the red rings can rotate around the reference scale.
The pointer of the red ring indicates in its reference scale the rotation angle set for each cam.
Summary of Contents for BGN 100 DSPGN
Page 6: ...6 BGN 40 DSPGN 100 DSPGN N 7604 2 Rev 02 02 96 BGN 120 DSPGN 350 DSPGN N 7605 5 Rev 17 11 97...
Page 19: ...19 AIR REGULATION PRINCIPLE DIAGRAM FOR GAS BURNERS BT 8769 1...
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