7.2 Strainer
Caution!
Lock the unit and relieve the pressure before any work
with the strainer.
Note
To open the cold water/primary flow strainer, use internal
hexagon (
6 mm
).
CD0000347
The strainer collects dirt and its filter can be removed for inspection
and cleaning.
7.3 Filling, flushing and venting
SI0000310
B
A
The filling and draining valve on the primary heating can be used for
filling and flushing of the heating system.
Filling and flushing the system
1.
Open the draining valve (A).
2.
Fill and flush the system with heating water.
Venting the system
1.
Open the venting valve (B).
2.
Vent the heat interface unit.
7.4 Tightness testing
Warning!
Leaking connections can cause personal injury and
property damages.
Caution!
Pressure leaks may occur even at normal operating
pressure, and must be fixed immediately.
2 h
P
SI0000308
1.
Test the heating circuit for two hours according to the applicable
guidelines.
2.
Fix any leaks immediately.
7.5 Visual inspection
Caution!
Improper commissioning can lead to property damage.
Note
If an installation error is found during visual inspection,
temporarily stop commissioning and rectify the error.
Complete commissioning by following these steps:
1.
Make a complete check up of the installation prior to
commissioning:
1.1.
Make sure that the hydraulics are connected correctly
1.2.
Check that any dirt accumulated during installation and/or
dust on the unit has been removed properly. Check
strainers and, if necessary, flush/clean them.
1.3.
Check the tightness of all seals on pipe - and device
connections and tighten them if necessary. When
tightening connections, always lock the opposite side
1.4.
Optional: Check that all electrical connections have been
made correctly, including polarity of the mains connection
and that grounding is assured.
2.
Check that the installation is filled/flushed and vented.
3.
Check the settings in the controller via the App.
Combi Port E
|
Installation and operation manual
|
19
