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Building Technologies Division
Basic Documentation LME7...
CC1P7105en
Infrastructure & Cities Sector
14 PME72.541...
29.11.2011
14.5 Time table and settings for program sequence PME72.541...
Type
Times in seconds
PME72.541...
tw
TSA
max.
t1
min.
t3
min.
t3n
approx.
t4
min.
t5
min.
t8
min.
t9
approx.
t10
approx.
t11
approx.
t12
approx.
t22 1) 2) 3)
Requirement
2.5 3 30 6 2.5 9 8.5 15 3 15 300 300 t9+1
---
--- ---
Factory
setting
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Max. 2.5
3
---
---
---
---
---
---
---
---
---
---
---
1
0.45
0.45
Min.
--- --- 30 6
---
9 8.5 15 ---
---
---
--- --- 0.3
0.3 ---
Step
size
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Legend
tw
Waiting time
t8
Postpurge time
TSA
Safety time
t9
Interval: Fuel valve 1 ON - pilot valve OFF
t1
Prepurge time
t10
Specified time air pressure switch state message (timeout)
t3 Preignition
time
t11
Opening time of actuator (timeout)
t3n Postignition
time
t12 Closing time of actuator (timeout)
t4
Interval: End of safety time - fuel valve 1 ON
t22
2nd safety time
t5
Interval: Pilot valve OFF - load controller release
1)
Response time to a change of signal by the air pressure switch (opens) and response time in the event of loss of flame
2)
Response time to a change of signal by the inputs
(e.g. pressure switch-min)
3)
Flame detection time