Siemens LME71.000A2 - Page 241

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Building Technologies Division Basic Documentation LME7... CC1P7105en
Infrastructure & Cities Sector 27 PWM settings 29.11.2011
Gas pilot ignition 1 Gp1, 1-stage,
with valve proving alternate
burning ignition burner........... 136
Gas pilot ignition 2 Gp2, 1-stage,
without valve proving
simultaneously ignition burner
.................................................. 135
LME73.000
Inputs and outputs/internal
connection diagram........... 143
Parameter list .......................... 144
Program sequence.................. 130
Time table and settings for
program sequence .................. 141
Valve proving of gas valves ... 137
PME73.840..................................... 148
Connection diagram for
LME73.000 with actuator SQM4
.................................................. 154
Connection diagram for
LME73.000 without actuator
SQM4 ........................................ 155
Connection diagrams for fuel
train applications..................... 150
Gas direct ignition 1 Gp1/2, 1-
stage, with valve proving........ 151
Gas direct ignition G, 1-stage 150
Gas pilot ignition 1 Gp1/1, 1-
stage......................................... 150
Gas pilot ignition 1 Gp1/2, 1-
stage, with valve proving........ 151
Gas valve proving ................... 152
LME73.000
Inputs and outputs/internal
connection diagram........... 157
Parameter list .......................... 158
Program sequence.................. 148
Time table and settings for
program sequence .................. 156
PWM settings
Initial PWM parameter settings
.................................................. 225
Final settings of PWM safety
parameters ......................... 229
Initial settings of PWM basic
parameters ......................... 225
Matching the working points 232
Reading the value of parameter
920 in the prepurge phase and
ignition load phase ............ 228
Setting safety parameters
675.00/675.01 and checking
the safety settings under
worst-case conditions .......231
Overview of PWM fan parameters
...................................................236
PWM control parameters ........223
PWM safety parameters ..........224
Relevant parameters ...............221
via the AZL2... operating unit .234
via the onboard operating panel
of the LME7... basic unit..........233
PWM settings.................................221
S
Safety notes
Commissioning notes ...............18
Correct use.................................20
Disposal notes ...........................19
Electrical connection of flame
detectors.....................................17
Installation notes....................15, 16
Lifetime.......................................19
Mounting notes..........................15
Qualified personnel ...................20
Standards and certificates........19
Typographical conventions......20
Safety notes.....................................13
Warning notes............................13
T
Technical data
Actuators....................................32
AZL2 - BCI ..................................33
Basic unit LME7 .........................30
Cable lengths .............................32
Cross-sectional areas ...............32
Dummy plug for RJ11................33
Environmental conditions.........33
Flame detector
QRA2/QRA4.U/QRA10 ...............36
Flame supervision .....................34
Ionization probe.........................34
Signal cable AGV50 ...................33
Terminal rating Inputs...............30
Terminal rating Outputs............31
Type summary
Actuators....................................27
Burner controls..........................23
Connector sets for LME7 ..........28
Dummy plugs for RJ11..............28
External display and operating
units ............................................26
Flame detectors .........................26
Pressure switch .........................27
Program module ........................24
Service tools ..............................28
Test case and accessories .......29