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Installation and User Instructi
ons R01127
-
2 06
/11
Page 14
Installation
5 Installation
5.1 Cold Water Inlet with
Inlet Control Group
5.1.1 Correctly site the
cylinder
Install the cylinder in an appropriate
location, ensuring all of the
recommendations have been
considered (see chapter 4.2).
5.1.2 Install the inlet group
The inlet group regulates the pressure
of the incoming mains water supply to
the cylinder and removes any debris
that might be water borne.
Note: Between the inlet group and
the cold water inlet on the
cylinder NO
isolating device may
be fitted, as by doing so important
safety devices could be isolated!
5.1.3 Expansion vessel
The expansion vessel is mandatory on
all Ec-eau cylinders and can be
connected directly to the cold water
inlet group, utilising the flexible hose
supplied with the vessel. The
expansion vessel should always be
fitted in accordance with the
manufacturer’s instructions. No
isolating device must be fitted
between the water cylinder and the
cold water inlet group.
Furthermore, it is recommended to
mount the vessel higher than the
cylinder to avoid having to drain the
cylinder when maintaining and
replacing the expansion vessel.
Figure 4: Connection of the expansion
vessel to the inlet group
It is important to check the
pre-charge pressure of the
expansion vessel membrane
before filling the cylinder. The
pre-charge should be greater
than or equal to 3 bar.
5.1.4 Balanced cold water
supply
If a balanced cold water supply is
required a connection can be taken
from the bottom of the inlet group.
5.1.5 Drain valve
It is also recommended to install a
drain valve (not supplied) in the
lowest point of the cold water feed to
the cylinder. This allows the cylinder
to be drained in a controlled manner
should this become necessary.
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