Viessmann VITODENS 111-W Technical Manual page 42

Design information
A
Illustration of installation aid for Vitodens 100-W gas condensing boiler
A Vitodens
B Installation aid
C Area for power cables
Allow all cables to protrude approx. 800 mm from the wall.
D 1800 mm: Compulsory in conjunction with DHW cylinders,
below
1925 mm: Recommendation for all other versions
6
E Drain outlet
Installation on finished walls with connection accessories
Required accessories:
■ If installing without DHW cylinder:
VIESMANN
42
(cont.)
B
HR
E
GA
HV
SVL/WW
SRL/KW
C
O K
F F
GA Gas connection Rp ½
HR Heating return 22 mm
HV Heating flow 22 mm
KW Cold water 15 mm (gas condensing combi boiler)
OKFF Top edge, finished floor
WW DHW 15 mm (gas condensing combi boiler)
SRL Cylinder return G ¾ (gas condensing boiler)
SVL Cylinder flow G ¾ (gas condensing boiler)
Connection accessories with fixings, valves and gas shut-off valve
with integral thermally activated safety shut-off valve
■ If installing with DHW cylinder:
Connection accessories with fixings, valves and gas shut-off valve
with integral thermally activated safety shut-off valve
and
Connection set for DHW cylinders
VITODENS