Viessmann VITOPEND 222 WHSA - Accessories for Vitopend Installation; Installation Template for Finished Walls

Power supply for accessories
The power supply of accessories can be connected directly to the
control unit. This connection is controlled with the system ON/OFF
switch (max. 4 A).
Where the boiler is installed in a wet area, the power supply con-
nection of accessories must not be carried out at the control unit.
A Reference point Vitopend top edge
B Area for electrical supply cabl es
Allow al l cables/leads to protrude approx. 1300 mm from the wall
in area B.
Cables
NYM-J
3×1.5mm
2
2-core min.
0.75 mm
2
NYM-O 3 x 1.5 mm
2
– Power suppl y
cables (also for
accessories)
– Fault notification
– External exten-
sion H1 and H2
(KM BUS)
– Outside tempera-
ture sensor
– Vitotronic 050
(LON)
– Extension kit for
heating circuit with
mixer (KM BUS)
– Vitotrol 100, type -
UTD
– Vitotrol 200
– Vitotrol 300
– Vitotrol 100, type -
UTA
Interlocking circuit
Install an interlock for open flue operation if required, if an extrac-
tor (e.g. cooker hood) is fitted in the room providing the boiler air
supply.
For this, the internal extension H2 ( accessories) can be used.
This switches the extractors OFF when the burner is started.
Accessories for Vitopend installation
Installation template for fi nished walls
Part no. 7186 95 7
&
Wall mounting fixture
&
Installation brace
&
Mounting panel with shut-off valves and boiler fill & drain valve
&
Pipe bends Ø 15/22
&
Gas stop cock G ¾"
Part no. 7186 95 8
&
Wall mounting fixture
&
Installation brace
&
Mounting panel with shut-off valves and boiler fill & drain valve
&
Pipe bends Ø 16/22
&
Gas stop cock G ¾"
Part no. 7186 95 9
&
Wall mounting fixture
&
Installation brace
&
Mounting panel with shut-off valves and boiler fill & drain valve
&
Pipe bends Ø 16/20
&
Gas stop cock G ¾"
5822 335-1 GB
VITOPEND 222 VIESMANN 13
Pre-installation (cont.)