Minimum Limitation Of The Burner Running Time - Siemens SIGMAGYR RVP540 Basic Documentation

Benefit
Description
Setting
Effect
Minimum burner running
time
Restriction
Siemens Building Technologies
HVAC Products
5.5

Minimum limitation of the burner running time

• Reduction of burner switching frequencies
Defines the minimum burner running time (burner cycling protection).
Setting range
0...10
Once switched on, burner stage 1 will remain activated for at least the period of time
set here.
As soon as the burner is switched on, the minimum burner running time starts, making
certain that the burner will not be switched off before the set minimum time has
elapsed.
If the boiler temperature exceeds the setpoint by the amount of the switching differen-
tial, the minimum burner running time will be ignored or reset.
TK
°C
60
50
40
30
0 4
1
FZ
0
1
BR
0
BR Burner
FZ Release counter
SDK Switching differential of the boiler
Basic Documentation RVP540 / RVP550
Description of the EXP settings
Unit
min
TK
x
8 12 16
tBRmin
tBRmin
TKw
TKx
Factory setting
4
TKw
+SDK
TKw
+SDK/2
TKw
TKw-
SDK/2
20
min
t
Minimum burner running time
Boiler temperature setpoint
Actual value of the boiler temperature
CE1P2488en
281/348
18.10.2002