4.6
Hydraulic connections
4.6.1.
Flushing the system
Installation must be carried out in accordance with the prevailing
regulations, the codes of practice and the recommendations in these
instructions.
n
Installing the boiler in new installations (installations
less than 6 months old)
4
Clean the installation with a universal cleaner to eliminate debris
from the appliance (copper, flaxen thread, flux).
4
Thoroughly flush the installation until the water runs clear and
shows no impurities.
n
Installing the boiler in existing installations
4
Remove sludge from the installation.
4
Flush the installation.
4
Clean the installation with a universal cleaner to eliminate debris
from the appliance (copper, flaxen thread, flux).
4
Thoroughly flush the installation until the water runs clear and
shows no impurities.
4.6.2.
Connection of the heating circuit
1. Connect the heating water outlet pipe to the heating flow
connection.
2. Connect the heating water inlet pipe to the heating return
connection.
{
Connection by internal brazing ∅ 22 mm
z
Connection by internal brazing ∅ 22 mm
T001625-A
4. Installation
MCA 15 - MCA 25 MCA 25/28 MI
22
29/04/2010 - 300022146-001-B