Viessmann Vitodens 200 Technical Manual page 66

2.3 Installation in unfinished buildings (mounting frame)
300
Pre-installation with a mounting frame in unfinished buildings
Mounting frame with expansion vessel for the Vitodens 300 (26 kW and 35 kW)
(The Vitodens 300, 13 kW is equipped with an integral diaphragm expansion vessel; capacity: 8 litres)
2
Key to symbols
E Drain
GA Gas connection G ¾"
HR Heating return G ¾"
HV Heating flow G ¾"
OKFF Top edge finished floor
Gas fired combi boilers only:
KW Cold water G ½"
WW Hot water G ½"
Gas fired boilers only:
SRL Cylinder return G ¾"
SVL Cylinder flow G ¾"
66
HV
E
HR
SRL/KW
SVL/WW
GA
A Mounting frame Vitodens 300
B Boiler top edge
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.
Mounting frame
With diaphragm expansion vessel
(volume 11 litres), valves, fixing parts and
gas angle valve G ¾" incl. thermal safety
shut-off valve
H for gas fired combi boiler
for installation on finished walls
with solder fittings
with compression fittings
for installation on unfinished walls
H for gas fired boiler
for installation on finished walls
with solder fittings
with compression fittings
for installation on unfinished walls
All fittings are located under the boiler
covers.
Note
Ensure a clearance of 700 mm in front of
the Vitodens 300 or the DHW cylinder for
maintenance purposes.
Maintenance spaces to the l.h. or r.h. side
of the Vitodens 300 are not required.
The mounting frame must not be
plastered over.
VITODENS