35
Notes on the programmer
Programmer sequence
Output signals on terminal
Times Legend
time (50 Hz) in seconds
31.5 .......... t1
Pre-ventilation time with air damper open
3 ............... t2
Safety time
- ................ t2'
Safety time or safety time with burners that use pilot burners
6 ............... t3
Short pre-ignition time (ignition transformer on terminal 16)
- ................ t3'
Long pre-ignition time (ignition transformer on terminal 15)
12 ............. t4
Time between beginning of t2' and valve consensus on terminal 19 with t2
- ................ t4'
Time between beginning of t2' and valve consensus on terminal 19
12 ............. t5
Time between end of t4 and consensus at power regulator or at valve on terminal 20
18 ............. t6
Post-ventilation time (with M2)
3 ............... t7
Time between consensus for start-up and voltage at terminal 7 (start delay for fan motor M2)
72 ............. t8
Start-up duration (without t11 and t12)
3 ............... t9
Second safety time for burners that use pilot burners
12 ............. t10
Time from start-up to beginning of air pressure control without air damper travel time
t11
Air damper opening travel time
t12
Air damper in flow flame position (MIN) travel time
18 ............. t13
Permitted post-combustion time
6 ............... t16
Initial delay of consensus for air damper OPENING
27 ............. t20
Time up to automatic closure of programmer mechanism after burner start-up
NOTE: With voltages at 60 Hz, the times are reduced by about 20%.
CONTROL BOX FOR LFL 1...
SERIES 02 GAS BURNERS
N° 7451
Rev. 10/1997
