Connecting The Circulation Pump To P1 - Viessmann Vitovalor PT2 Installation And Service Instructions For Contractors

Electrical connections
Connections to LV plugs
! Outside temperature sensor
No function
%
PlusBus
jF
CAN bus
lA
To the burner control unit
A
To the cylinder module
B
From the cylinder module
C
To the external electricity meter
D
To the fuel cell module
E

Connecting the circulation pump to P1

Connectible function: Heating circuit pump for A1 heat-
ing circuit without mixer in connection with low loss
header and heating circuit with mixer
M
A
1~
B
Fig. 36
Circulation pump
A
P1 plug on heat management unit
B
(cont.)
Information on connecting accessories
When connecting accessories observe the sep-
arate installation instructions provided with
them.
The mains connection and PlusBus wiring
chamber of accessories takes place on the
M2IO electronics module of the cylinder module.
Specification
Rated current
Rated voltage
Installation sequence
1 A
230 V ~
43