Viessmann B1HF - Connection and Wiring Diagrams; HBMU Heat Management Unit Wiring Diagram

98
F
E
D
B C
A
Fig. 61
A1 HBMU heat management unit
X... Electrical interfaces
A2 Power supply unit
A
Power supply
fÖ
B
Vitotrol 100, type UTA
C
Vitotrol 100, type UTDB
D
Ignition unit/ionisation
gF
F
Outlet temperature sensor (combi boiler only)
dG
Gas solenoid valve
a-Ö
Fan motor
E
Fan motor control
lH
230 V connection accessories
sÖ
Heating circuit pump
sA
No function
Connection and wiring diagram
HBMU heat management unit
6167586
Appendix