Samson TROVIS 5474 Mounting And Operating Instructions page 33

Flow temperature set point +
Hysteresis
Flow temperature set point
Flow temperature set point –
Hysteresis
Burner start
Fig. 3 · Criteria for switching the boiler stages
Flow temperature set point +
Hysteresis
Flow temperature set point
Flow temperature set point –
Hysteresis
Burner start
Fig. 2 · Criteria for switching the modulating boiler
t [°C]
VL
Lockout time
Operational alarm
Activation of
f. burner
boiler stage
t [°C]
VL
Lockout time
Operational alarm
Activation of
f. burner
boiler stage
Tolerance time
Tolerance time
Boiler functions
t [s]
t [s]
33
EB 5474 EN