Preparing For Boiler Installation - Viessmann Vitodens 222-F Installation And Service Instructions For Contractors

Preparing for installation

Preparing for boiler installation

Use a connection set or connection kit, available as an
accessory, to make the connection on the gas and
water sides.
Fitting accessories
Fit all accessories that are installed at the back of the
boiler (e.g. connection sets).
Preparing connections on site:
Connection set installation instructions
or
Assembly kit installation instructions
410
398
361
320
E A
D
B
F
C C
F
B D
A E
K
G
80
50
140
Fig. 1
330
220
55
G
C
F
A
B
50
600
Fig. 2
Heating flow R
A
¾
DHW R
B ½
8
50
46
D
E
!
Please note
Avoid damaging the appliance.
Connect all pipework free of load and torque
stress.
The following diagram shows sample connection sets
for installation on finished walls, with connection to the
top or side.
Ø 96
-0,5
Ø 60,5
+0,8
G
40
H
C Gas connection R
¾
Cold water R
D ½
Heating return R
E ¾
DHW circulation R
F
½
Condensate drain facing backwards into the wall
G
Condensate drain to the side
H
Wiring area
K
Rated heating output
(kW)
a (mm)
Note
All height dimensions have a tolerance of +7 mm on
account of the adjustable feet.
(separate accessory)
13 19
201 201
26
224