Heating Water Connections - Viessmann Vitocrossal 300 CU3A 26 Installation Instructions Manual

Vitocrossal 300 CU3A 26 to 199 Installation
Connections
(continued)
Typical connection
with supplied;
- reducing tee 1a in.
x 1a in. x b in.
- thermal well
- tridicator (temp and
pressure gauge)
All other piping is
field supplied.
Vertical connection
with supplied;
- reducing tee 1a in.
Apply sufficient amount of thread sealant when making
x 1a in. x b in.
the connections.
- thermal well
- tridicator (temp and
pressure gauge)
All other piping is
field supplied.
Horizontal (left)
connection with
supplied;
- reducing tee 1a in.
x 1a in. x b in.
- thermal well
- tridicator (temp and
pressure gauge)
All other piping is
field supplied.
Horizontal (right)
connection with
supplied;
- reducing tee 1a in.
x 1a in. x b in.
- thermal well
- tridicator (temp and
pressure gauge)
All other piping is
field supplied.

Heating water connections

1. Thoroughly flush heating system (particularly before
connecting the boiler to an existing system).
2. Connect boiler to the heating system.
WARNING
Exposing the boiler to pressures and temperatures in
excess of those listed will result in damages, and will
render warranty null and void.
Min. operating pressure ............................ 1 bar (14 psig)
Max. allowable working pressure (MAWP)..2 bar (30 psig)
IMPORTANT
CAUTION
To prevent equipment damage, install all pipework
free of load and torque stresses.
Boiler Connections
17