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Building Technologies Division
Basic Documentation LME7...
CC1P7105en
Infrastructure & Cities Sector
13 PME72.521...
29.11.2011
13.5 Time table and settings for program sequence PME72.521...
Type
Times in seconds
PME72.521...
tw
TSA
max.
t1
min.
t3
min.
t3n
approx.
t4
min.
t8
min.
t10
approx.
t11
approx.
t12
approx.
1) 2) 3)
Requirement 2.5
3 30 6 2.5 9 15 15 300 300 ---
--- ---
Factory setting
---
---
---
---
---
---
---
---
---
---
---
---
---
Max. 2.5
3
---
---
---
---
---
---
---
---
1
0.45
0.45
Min. ---
---
30
6
---
9
15
---
---
---
0.3
0.3
---
Step size
---
---
---
---
---
---
---
---
---
---
---
---
---
Legend
tw
Waiting time
t4
Interval: End of safety time – load controller release
TSA
Safety time
t8
Postpurge time
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)
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