Installation Sequence Assembly And Installation - Viessmann Vitotron 100 Series Installation And Operating Instructions Manual

Installation sequence
Assembly and installation
126
A
93
min. 150
Heating return (to boiler) G ¾"
A
Heating flow G ¾"
B
1. Secure the boiler vertically with fixings and flow
and return lines pointing downwards. Maintain
clearances to the wall and ceiling.
2. Connect the boiler to the central heating system
with shut-off valves.
3. Fill the central heating system with treated water
or frost-proof fluid.
4. Vent the central heating system.
5. Connect the boiler to the electrical connection.
6. Install and connect the Tr and Tos sensors and
other appliances to the connection points for
external sensors and appliances.
7. After completing the above steps, start the boiler,
select the language on the boiler, run the boiler at
maximum output for 60 minutes, then vent the pump
[Configuration > Pump > Vent].
8. Set the maximum temperature factor in the
installation [Configuration > Central heating circuit >
MAX. power supply temp.].
8
316
215
50
B
64
min. 60
159
235
117
Caution
An incorrect electrical connection will result in
damage.
Do not connect the FN, MA, RT, Tcyl, Tos, Tr
inputs when they are supplied with power!
VxN3
400 V
VxN3
230 V