Supplied By www.heating spares.co Tel. 0161 620 6677
16
GENERAL REQUIREMENTS
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Volume flow [l/min]
Lift [mbar]
setting II
setting I
Fig. R.7: Pump specifications
Euro B/S_VC_011/0GB
Pump specifications
Circulating pump
The circulating pump is included in
the boiler. The pump head available
for the heating system is shown in
fig. R.7.
System by-pass
A fixed system by-pass is included
within the boiler. The boiler is suitable
for use in systems with thermostatic
radiator valves and no additional
by-pass is required.
Venting
The boiler is fitted with an automatic
air vent. Additional provision should
be made to enable the heating system
to be vented during filling and
commissioning either by automatic air
vents or manually.
DHW expansion vessel accessory
A DHW expansion vessel kit (Art.No
306 237) is available as an optional
extra from Vaillant Ltd. This expansion
vessel kit should be fitted to the boiler
whenever, either a stop valve of the
loose jumper type or a non return
valve are present in the cold water
mains supply to the boiler.
