Water Connections - termovana Stella Installation, Maintenance And User Manual

The gas feed pipes must be manufactured so as to comply with the dimensions required
by the specific regulations in force and to meet the maximum boiler output. Make sure that
the gas cock is the correct size and is adequately connected.
Before installing the boiler, clean the gas pipes carefully to remove any residues
that may impair the correct operation of the appliance. It is essential to check
the gas type (methane or LPG) to be used to feed the boiler and the
corresponding rated pressure (see the "Technical Details" section); insufficient
pressure could cause a reduction in the generator capacity and could result in
discomfort for users.
Warning
Before connecting water pipes, clean the appliance carefully to remove
any residues or dirt that may impair the correct operation of the boiler.
Warning
To avoid possible short circuits, install the feed cables and, if supplied, the
Warning
7
6
5
4
3
2
1
0
0 0,25 0,5

Water connections

Make sure that the expansion tank capacity is suitable for the water
room thermostat at least 3 cm from the boiler connection pipes.
1. Heat system return 3/ 4"
2. Cold water inlet 1/ 2"
3. Gas inlet 3/ 4"
4. Hot water outlet 1/ 2"
5. Heating system flow 3/4"
Protect connection pipes so that they cannot be damaged
Residual head of circulators
0,75 1 1,25
m3/h
8
content of the boiler.
Pipe sizes
1,5 1,75
1. Circulator fitted
Stella 24 models
2. Circulator fitted
Stella 28 models
on
on