Filling and venting the secondary equipment
A
Fill & drain valve
B
Pressure gauge
1.
Open any non-return valves
installed on site.
2.
Check the pre-charge pressure of
the diaphragm expansion vessel
(see page 102).
3.
Thoroughly flush the on-site pipe-
work.
4.
Fill the heating circuit via fill &
drain valve
A
with water; during
filling, check the system pressure
at pressure gauge
B
.
Minimum system pres-
sure
0.8 bar
Permissible operating
pressure
3 bar
5.
Close fill & drain valve
A
.
6.
Open a suitable air vent valve in
the heating circuit.
7.
Switch ON the power.
8.
Setting the operating mode selec-
tor (
D
on page 113) to "
9
".
9.
Start the equipment at the system
ON/OFF switch (see page 174).
Further details regarding the individual steps
(cont.)
101
Commissioning, inspection, maintenance
55
92
968
GB
Service
Summary of Contents for VITOCAL 200-G
Page 8: ...Certificates Declaration of conformity 201 Keyword index 202 Index cont 8 Index 5592 968 GB ...
Page 122: ...Main menu Information Menu structure overview information 122 Control settings 5592 968 GB ...
Page 187: ...Parts lists cont 187 Parts lists 5592 968 GB Service ...
Page 188: ...Parts lists cont 188 Parts lists 5592 968 GB ...
Page 189: ...Parts lists cont 189 Parts lists 5592 968 GB Service ...
Page 206: ...206 5592 968 GB ...
Page 207: ...207 5592 968 GB ...
