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Building Technologies Division  Basic documentation LMV36...  CC1P7544en 
Infrastructure & Citiies Sector  7 Basic unit  25.09.2013 
 
In dual-fuel operation, the parameters 325...399 are assigned to fuel 1. 
 
No. Parameter 
325  Fuel 1 gas: Prepurge time 
326  Fuel 1 gas: Preignition time 
327  Fuel 1 gas: Safety time 1 (TSA1) 
329  Fuel 1 gas: Time to respond to pressure faults within safety time 1 (TSA1) and 
safety time 2 (TSA2) 
330  Fuel 1 gas: Interval 1
331  Fuel 1 gas: Safety time 2 (TSA2) 
332  Fuel 1 gas: Interval 2 
333  Fuel 1 gas: Afterburn time
334  Fuel 1 gas: Postpurge time (no extraneous light test) 
342  Fuel 1 gas: Valve proving evacuation time 
343  Fuel 1 gas: Valve proving time test atmospheric pressure 
344  Fuel 1 gas: Valve proving filling time 
345  Fuel 1 gas: Valve proving time test gas pressure 
346  Fuel 1 gas: Waiting time gas shortage 
348  Fuel 1 gas: Postpurge time 3 (abortion if load controller On) 
365  Fuel 1 oil: Prepurge time 
366  Fuel 1 oil: Preignition time 
367  Fuel 1 oil: Safety time 1 (TSA1) 
369  Fuel 1 oil: Time to respond to pressure faults within safety time 1 (TSA1) and 
safety time 2 (TSA2) 
370  Fuel 1 oil: Interval 1 
371  Fuel 1 oil: Safety time 2 (TSA2) 
372  Fuel 1 oil: Interval 2 
373  Fuel 1 oil: Afterburn time 
374  Fuel 1 oil: Postpurge time (no extraneous light test) 
384  Fuel 1 oil: Postpurge time 3 (abortion if load controller On) 
 
 
Caution! 
The OEM or the heating engineer must make certain that the times conform to 
the standards covering the respective type of plant.