Installation In Unfinished Buildings (On Finished Walls); Installation Template - Viessmann VITODENS 300 Datasheet

Installation in unfinished buildings (on finished walls)

Pre−installation in unfinished buildings for Vitodens 300 (up to 35 kW) installation directly to the
wall installation on finished walls
Required accessories for installations
without DHW cylinder

Installation template

incl. fixing parts, valves and gas stop cock
Rp ½" with integral thermal safety
shut−off valve
D
Illustration: Gas fired combination boiler connection
Key to symbols
E Drain
GA Gas connection Rp ½"
HR Heating return Rp ¾"
HV Heating flow Rp ¾"
OKFF Top edge finished floor
12
Additional requirements when
connecting a DHW cylinder
Connection set for DHW cylinders
A B C
E
HR
SRL/KW
GA
SVL/WW
HV
Only for gas fired combination 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"
*1
Obligatory in conjunction with DHW
cylinders installed below the boiler.
Otherwise, recommendation only.
Note
Ensure a clearance of 700 mm in front of
Vitodens or the DHW cylinder for
maintenance purposes.
Maintenance spaces to the l.h. or r.h. side
of Vitodens are not required.
A Installation template
B Vitodens
C Area for electrical supply cables.
Allow all cables to protrude approx.
1 200 mm from the wall.
D Wall mounted DHW cylinder
(if installed)
VITODENS 300