baltur BT 75 DSPG Manual User Instructions page 60

Programmer diagram
Cut off position indication
Time key
t1 Pre-ventilation time with open air damper _
t2 Safety time
t3 Short pre-ignition time (ignition transformer on terminal 16)
t3' Long pre-ignition time (ignition transformer on terminal 15) .
t3 Short post-ignition time (ignition transformer on terminal 15)
t4 Time of powering between terminals 18 and 19 (BV1 - BV2)
t5 Time of powering between terminals 19 and 20 (BV2 - power command)
t6 Post-ventilation time (with M2)
t7 Time between consensus upon start-up and the voltage to terminal 7 (start delay for fan motor M2)
t8 Start-up duration (without t11 and t12)
t10 Only for LAL2: time until the beginning of the air pressure check
t11 Dampers opening travel time
t12 Damper travel time in low flame position (MIN)
t13 Allowed post-combustion time
t16 Starting delay of consensus to air damper OPENING
t20 Time until the programmer automatic stop (without all burner commands)
* These data refer only to LAL2 type.
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Control box