Preparing For Boiler Installation - Viessmann VITODENS 100-W Installation And Service Instructions Manual

Preparing for installation
The following components are integra-
ted into the hydraulic system:
■ Circulation pump
■ 3-way diverter valve
■ Safety valve
■ Diaphragm expansion vessel
■ Plate heat exchanger for DHW heating

Preparing for boiler installation

Dimensions and connections
400
5
A B C D
F
58 58
123 123
Shown without fittings
A Heating flow 7 22 mm
B DHW 7 15 mm
(cont.)
E
Preparing for installation
Accessory connection
A time switch is connected with low volt-
age to the control unit.
350
156
34
125
C Gas connection 7 22 mm
D Cold water 7 15 mm
175
7