Boiler Connections Preparing The Connections; Dimensions Overview Without Bottom Piping Connections - Viessmann VITODENS 100-W WB1B Series Installation And Service Instructions Manual

Boiler Connections
Preparing the Connections

Dimensions overview without bottom piping connections

Fig. 5 Front view
Connections Vitodens 100-W,
WB1B 26, 35
Legend
Connections
A Condensate drain, plastic hose
Ø 0.87" / 22 mm
B Boiler water supply, NPT ¾" (male
thread)
C Gas connection, NPT ¾" (male
thread)
D Boiler water return, NPT ¾" (male
thread)
E Combustion air opening for double
pipe system
F Combustion air opening for coaxial
system
14
(continued)
Side view
Dimensions
a See fig. 6 for dimensions
b 15¾" / 400 mm
c 2f" / 68 mm
d 28½" / 725 mm
7
e 4 / " / 123 mm
8
f 6d" / 156 mm
g 14d" / 360 mm
h 5" / 125 mm
7
j 9 / " / 250 mm
8
k 1a" / 31 mm
7
m 7 / " / 200 mm
8
n 3d" / 80 m
Top view
When preparing gas, water
and electrical connections in
the field, see section entitled
"Wall Mounting" on page 16
of this manual for information
regarding the installation of
the wall mounting bracket.
IMPORTANT
The maximum ambient temperature
must not exceed 104º F / 40º C.
Heating water connections and
g
gas connection to be made
in the field. See Fig. 5 and
connection-specific section for
details.
See subsection entitled "Power
g
supply connection" for details
regarding power supply to the
Vitodens 100-W boiler.