SYR 7500 Manuel utilisateur
1
Instructions for use
Anti legionella valve 7500
2
Description........................................................ 3
Installation Guidance........................................ 3
Maintenance..................................................... 5
Specification and Dimensions .......................... 7
Contents
3
Description
TheRelianceantilegionellavalve
is designed to be connected to a
Reliance (Aquasystems) potable
water expansion vessel with a
¾” connection. It is designed
to divert a proportion of the
water that is owing through a
system into the vessel to cause
turbulence and encourage an
exchange of water within it.
Installation
Before installing the anti
legionella valve ensure that
the water system has been
flushed and is free from debris
and that the system pressures
and temperatures are within
the working parameters of the
valve.
To install the anti legionella
valve onto a vessel follow these
steps.
1. First insert the paddle
retaining tube into the
vessel connection as
shown. This is the small
plastic tube with a cut down
the side. To insert it you
squeeze the tube together
and push it into the vessel
connection (Fig. 1) and
then let it spring back into
place.
Fig. 1
Fig. 2
2. Taking care not to damage
the paddle or the paddle
retaining clip, screw the
anti legionella valve onto
the expansion vessel and
tighten up with a spanner.
Note the valve includes
a rubber seat so extra
washers and PTFE tape
are not needed.
4
3.
Connect the ¾” FBSP tee
piece onto the anti legionella
valve and tighten with a
spanner, the connection is
sealed by an oring so extra
washers and PTFE tape are
not needed. The tee piece
remains rotatable through
360° when tightened (Fig. 3).
Fig. 3
Fig. 4 Fig. 5
4. Mount the vessel vertically
with the connections at
the bottom using suitable
fixings and a strap type
bracket (Fig. 4).
Note: Expansion vessels
shouldalways bemounted
in vertically with the
connections at the bottom
to avoid the possibility
of sediment and debris
being deposited inside the
membrane and providing
a possible breeding
ground for bacteria such
as Legionella.
5. Connect the water supply
so that water from the
supply enters one end of
the tee and the water that
feeds the system exits
from the other side of the
tee (Fig. 5).
5
Fig. 6
Fig. 7
6. Ensure that the isolating
valve is in the open position
then turn on the water
supply and commission the
system (
Fig. 6)
.
Maintenance
f for some reason it is
necessary to remove the
expansion vessel for service or
replacement the anti legionella
valve helps to make this quick
and easy.
Isolate the expansion vessel
from the system using the
integral isolating valve (Fig. 7)
Making sure that you have a
suitable collection vessel to
hand remove the plastic test
plug (Fig. 8) from the port
directly opposite the isolating
valve to drain the residual
water from the vessel.
6
After draining replace the
test plug, service or replace
the vessel and open up the
isolating valve to return the
vessel to service.
Fig. 8
7
80 Dimensions in mm unless otherwise stated.
Specication
Nominal size DN20
Max. inlet temp. 30°C
Medium Potable Water
Dimensions (Vessel Supplied Separately)
8printed in Germany - 9.7500.00 1608 - Änderungen vorbehalten
Hans Sasserath GmbH & Co. KG • Tel.: +49 2161 6105-0 • Fax: +49 2161 6105-20
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