Viessmann Vitodens 222-F B2TA Installation And Service Instructions Manual page 9

Preparing for boiler installation
330
220
55
G
C
F
A
B
50
600
A Heating flow R ¾
B DHW R ½
C Gas connection R ¾
D Cold water R ½
E Heating return R ¾
F DHW circulation R ½ (separate
accessory)
G Condensate drain to the back into
the wall
(cont.)
H Side condensate drain
K Wiring area
D
Rated heating
E
output range
a (mm)
b (mm)
c (mm)
d (mm)
e (mm)
f (mm)
g (mm)
h (mm)
k (mm)
l (mm)
m (mm)
n (mm)
p (mm)
q (mm)
Note
All height dimensions have a tolerance
of +15 mm due to the adjustable feet.
1. Prepare the heating water connec-
tions.
Thoroughly flush the heating sys-
tem.
Note
Should an additional expansion ves-
sel be required on site, connect this
vessel in the heating return.
Preparing for installation
3.2 to 5.2 to
26 kW 35 kW
745
750
972 1172
1027 1227
1082 1302
1137 1337
1191 1391
1247 1447
1302 1562
1437 1637
1466 1666
1465 1665
1526 1726
201
945
950
224
9