18
GENERAL REQUIREMENTS
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Volume flow [l/min]
Lift [mbar]
Pump switch in position II (pre-delivery setting)
Pump switch in position I
Fig. R.7: Pump specifications
Euro B/S_VC_010/0GB
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
An automatic 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
(TURBOmax Plus only)
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.
