Systems
System Anl 4
KF1
1
System Anl 5
KF1
1
2
30
EB 5474 EN
RK1
Pu1
RüF1
RK1
Pu1
RüF1
RüFg
RK2
KF2
Pu2
1
RüF2
K1 One-stage condensing boiler
2
K2 Two-stage low-temperature boiler
RüFg
RK2
KF2
Pu2
1
RüF2
2
VFg
VL
RL
VFg
VL
RL
K1, K2 Two-stage burner
AF
AF