Circulating Pump; System By-Pass; Venting; Dhw Expansion Vessel Accessory - Vaillant TURBOmax Pro 28/2 E Instructions For Installation And Servicing

GENERAL REQUIREMENTS
Pump specifications
700
650
600
550
500
450
400
350
300
250
200
150
100
50
0 100 200 300 400
Fig. R.7: Pump specifications
16
Supplied By www.heating spares.co Tel. 0161 620 6677
setting II
setting I
500 600 700 800 900 1000
Volume flow [l/min]

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.
1100 1200 1300 1400

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.