baltur BT 75 DSPG Manual User Instructions page 59

Electric connections
2 stage burner
Electric connections
Modulating burner
Power command to completely/ not to regulate. During the operation stops the air damper closes.
Servomotor command SA according to the single wire command principle.
(Servomotor SA SQN3 type... according to the catalogue sheet 7808). For other wiring please see
the connection diagrams.
Pre and post-ignition when the ignition transformer is connected to terminal 15.
Potentiality variation through progressive regulator with electrically separated command contacts for
the OPEN and CLOSED regulation signal.
The air damper is closed during the burner operation stops. In case of servomotors without limit
switch "z" for the CLOSED position, terminals 10 and 11 must be connected. See other connections
diagrams on the following pages.
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