5 Additional installation
5.1 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
).
CD0000389
The strainer collects dirt and its filter can be removed for inspection
and cleaning.
5.2 Differential pressure regulator
Note
Pay attention to the diagram "Differential pressure
regulator" in the chapter Technical data.
CD0000391
The differential pressure controller secures for constant pressure
difference in the system.
The setting is made by turning the spindle.
5.3 Combi Port E D-X
Expansion vessel
CD0000388
The heat interface unit Combi Port E D-X is equipped with an
expansion vessel.
The pre-set pressure is defined based on the calculated static height
from the expansion vessel to the highest point in the heating system.
DI0000023
The pressure in the vessel is pre-set to
1.0 bar
which normally fits
most systems.
Safety valve
Warning!
Never block the flushing pipe from the safety valve!
Note
Check the function of the safety valve at minimum once a
year.
The heat interface unit Combi Port E D-X is equipped with a safety
valve to protect the heating system from a rising pressure. The safety
valve is a part of the optional circulation line.
The opening pressure is pre-set to
3.0 bar
.
Safety temperature limiter
The safety temperature limiter serves to limit the flow temperature of
the heating (secondary).
If the heating should be operated with a flow temperature higher than
58 °C, the safety temperature limiter must be disconnected in the
Combi Port E D
|
Installation and operation manual
|
13
