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Building Technologies Division Basic documentation LMV36... CC1P7544en
Infrastructure & Citiies Sector 7 Basic unit 25.09.2013
7.7.6 Legend to sequence diagrams
7.7.7 Legend to the sequence diagrams
Note
Not all phases, times, indices, abbreviations and symbols appear in the
individual sequence diagrams or are needed there!
Phase numbers
00 Lockout phase
02 Safety phase
10 Home run
12 Standby (stationary)
22 Fan motor (M) = ON, safety valve (SV) = ON
24 Air damper (LK) fuel valve (V) – position
30 Prepurging
36 Air damper (LK) ignition (Z) – position
38 Preignition ignition (Z) = ON
39 Test pressure switch-min (Pmin)
40 Fuel valve (V) = ON
42 Ignition (Z) = OFF
44 Interval 1 (t44)
50 Safety time 2 (TSA2)
52 Interval 2 (t52)
60 Operation 1 (stationary)
62 Operation 2 air damper (LK) low-fire (KL) – position
70 Afterburn time (t13)
72 Air damper (LK) Rated load (NL) – position
74 Postpurge time (t8)
78 Postpurge time (t3)
80 Evacuation of test space
81 Atmospheric pressure test
82 Filling of test space
83 Gas pressure test
90 Gas shortage waiting time
Valve proving is performed depending on the parameter settings:
Simultaneously with the prepurge time and
/or the afterburn time.
Times
TSA1 1st safety time
TSA2 2nd safety time
t1 Prepurge time
t3 Postpurge time
t8 Postpurge time
t13 Afterburn time
t44 Interval 1
t52 Interval 2
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