Viessmann B2HF - Page 122

122
jF
PlusBus
lA
CAN bus
lH
Floating input 230 V, output 230 V
aBH
Mains voltage output
P1 Output 230 V for:
■
Circulation pump for heating circuit without
mixer
■
Circulation pump for cylinder heating
P2 Output 230 V for:
■
Circulation pump for heating circuit without
mixer
■
DHW circulation pump
A
To BCU burner control unit
B
To BCU burner control unit
Connection and wiring diagram
HMU heat management unit (cont.)
5593201
Appendix