Connection Scheme Heat Management Unit, Gas Condensing Module - Viessmann Vitovalor PT2 Installation And Service Instructions For Contractors

Connection scheme heat management unit, gas condensing module

Fig. 117
A1 Heat management unit gas condensing module
A4 Programming module
A9 Switching mode power supply
X... Electrical interfaces
Outside temperature sensor
!
Power supply
fÖ
Connection and wiring diagram
PlusBus
jF
CAN bus
lA
Floating input 230 V and output 230 V
lH
Mains voltage output
aBH
P1 Parametrisable output for e.g. circuit pump for
heating circuit without mixer
157