Viessmann Vitodens 200 Technical Manual page 65

Pre-installation in unfinished buildings for the installation of the Vitodens 200 and 300 (up to 35 kW)
directly on the wall installation on unfinished walls
Required accessories for installations
without DHW cylinder
Installation template
incl. fixing parts, valves and gas stop cock
R ½" with integral thermal safety shut-off
valve
Illustration: Connection - Vitodens 300 gas fired combi boiler
Key to symbols
ATR Drain outlet connection R 1"
E Drain
GA Gas connection R ½"
HR Heating return G ¾"
HV Heating flow G ¾"
OKFF Top edge finished floor
VITODENS
2.3 Installation in unfinished buildings on unfinished walls
Additional requirements when
connecting a DHW cylinder
Connection set for DHW cylinders
SVL/WW
ATR
SRL/KW
E
HR
GA
HV
Only for gas fired combi boilers
KW Cold water G ½"
WW Hot water G ½"
Only for gas fired boilers
SRL Cylinder return G ¾"
SVL Cylinder flow G ¾"
Note
Ensure a clearance of 700 mm in front of
the Vitodens or the DHW cylinder for
maintenance purposes.
Maintenance spaces to the l.h. or r.h. side
of the Vitodens are not required.
Vitodens 200 and Vitodens 300
(4.2 kW 13 kW):
Min. 350 mm above the boiler for the
removal of the expansion vessel.
A Installation template
B Vitodens
C Area for electrical supply cables.
Allow all cables to protrude approx.
800 mm from the wall.
D Compulsory in conjunction with DHW
cylinders installed below the boiler;
otherwise this is a recommendation
only.
200
300
2
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