113/301 
Siemens Building Technologies  Basic Documentation LMV5...  CC1P7550en 
HVAC Products  7 Display and operating unit AZL5...  13.08.2004 
 
 
100 %
90°
7550d09e/0704
Pos.
Load
0 %
0°
AIR
AUX
FUEL
Low fire
2nd curve point
Nominal load
Ignition
 
 
Change of load / position with several points 
 
Using this method, up to 15 points can be defined. 
 
6. Shutdown 
 
On the menu:  «Params & Display» → «Ratio Control» → «Settings Gas / Oil» 
→ «Special Positions» → «Autom / Manual / Off» 
or on:  «Manual Operation» Æ «Autom / Manual / Off» to «Burner off» 
and confirm 
 
7. Setting the postpurge positions
 
 
The system shuts down and stops in phase «Driving to postpurge 72». 
Now, the postpurge positions on menu «Special positions» can be set. 
Then, on «Program Stop», set to «deactivated». 
The system continues the shutdown sequence and stops in phase «Standby 12».