Power Supply For Accessories (230 V ~) - Viessmann Vitovalor PT2 E11T Installation And Service Instructions Manual

Electrical connections
Connecting the DHW circulation pump (accessory or on site)
M
A
1~
B
Fig. 34
DHW circulation pump
A
Plug on the cylinder module control unit
B sK

Power supply for accessories (230 V ~)

Where the boiler is sited in a wet room, accessories
outside the wet area must not be connected to the
power supply at the control unit. If the boiler is not
sited in a wet room, the power supply for accessories
can be connected at the control unit. This connection
is switched directly with the ON/OFF switch of the con-
trol unit.
Power supply and PlusBus connection of accessories
Power supply of all accessories on the gas condensing and fuel cell module control unit
A
E
Fig. 35
Some accessories with direct power supply
A
E
Fig. 36
Gas condensing and fuel cell module
A
Cylinder module
B
Extension kit for heating circuit with mixer
C
D Extension kit for heating circuit with mixer
ON/OFF switch
E
(cont.)
B C
B C
Specification
Rated current
Recommended connecting
cable
If the total system current exceeds 6 A, connect one or
more extensions directly to the mains supply via an
ON/OFF switch (see next chapter).
D
D
Mains input
fÖ
A Power outlet
fÖ
jF PlusBus
/ Power outlet at the control unit
lH aBH
Installation sequence
1 A
H05VV-F3G 0.75 mm 2
or
2
H05RN-F3G 0.75 mm
39