baltur BT 40 DSN 4T Manual De Instrucciones página 29

AIR REGULATION SERVOMOTOR SQN
30.111 A3500 BURNER MODELS BT
120 / 180 / 250 / 300 / 350 DSN 4T
PRE-VENTILATION WITH AIR OPEN IN 2ND STAGE POSITION
AND AIR CLOSED WITH STOPPED BURNER
Camshaft-motor coupling exclusion pin
Pressing it disconnects the motor - camshaft
connection.
1 2nd stage valve control CAM (must be set in the inter-
mediate position between the 1st and 2nd stage cam)
2 1st stage air regulation CAM
3 air gate CAM closed with burner stopped
4 2nd stage air regulation CAM
Use the corresponding red rings to modify cam regulation. By
turning in the desired direction each red ring with respect to
the reference scale, it is possible to change the angle set for
the air gates.
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