Viessmann VITODENS 222-F Installation And Service Instructions Manual page 8

Preparing for installation
Preparing for installation
Rated output range
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.
L
8
(cont.)
4.8 to 19 kW
1027
1082
1137
1191
1247
1302
1437
1466
1465
1526
201
M
6.5 to 26 kW
1027
1082
1137
1191
1247
1302
1437
1466
1465
1526
224
1. Prepare the heating water connec-
tions.
Flush the heating system thor-
oughly.
Note
Should an additional diaphragm
expansion vessel be required on site,
connect that vessel into the heating
return.
2. Prepare the connections on the DHW
side. Install the safety assembly
(accessory or on-site provision)
according to DIN 1988 in the cold
water line (see page 9).
Recommendation:
Install the safety valve above the
DHW cylinder to protect it against
contamination, scaling and high tem-
peratures.
Connect the drain hose to conden-
sate collector L. Remove plug from
condensate collector.
8.8 to 35 kW
1227
1302
1337
1391
1447
1562
1637
1666
1665
1726
224