Connection And Wiring Dia-Hmu Heat Management Unit - Viessmann Vitodens 200-W B2HE Installation And Service Instructions Manual

Connection and wiring diagram
HMU heat management unit
Fig. 70
A1 HMU heat management unit
A2 HMI programming unit with RF module (wireless
module)
A3 Switching mode power supply
X... Electrical interfaces
114
A
B
Outside temperature sensor
!
Cylinder temperature sensor (gas condensing
%
system boiler)
Power supply
fÖ
PlusBus
jF