85
A
B
C
D
E
F
Fig. 48
A1 HBMU heat management unit
A2 Power supply unit
X... Electrical interfaces
A
Power supply 230 V/50 Hz
B
Vitotrol 100, type UTA
C
Vitotrol 100, type UTDB
D
Ignition unit/ionisation
E
Fan motor control
F
Outlet temperature sensor (combi boiler only)
lH
230 V connection accessories for accessories
a-Ö
230 V fan motor
dG
Gas solenoid valve
gF
Ignition unit
Connection and wiring diagram
HBMU heat management unit
6179762
Appendix