Connection And Wiring Dia-Hbmu Heat Management Unit - Viessmann VITODENS 100-W Installation And Service Instructions Manual

Connection and wiring diagram
HBMU heat management unit
Fig. 35
A1 HBMU heat management unit
A2 Power supply unit
X... Electrical interfaces
Power supply 230 V/50 Hz
A
Vitotrol 100, type UTDB
B
Vitotrol 100, type UTA
C
External connection for 230 V circulation pump
D
68
Ignition/ionisation
E
Fan control
F
Cylinder demand junction box
G
Jumper; remove when making this connection.
230 V connection accessories for accessories
lH
sÖ No function
230 V fan motor
a-Ö