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1.0 Introduction – Page 4
NOTE: This appliance must be installed in accordance
with the manufacturer’s instructions and the
regulations in force. Read the instructions fully before
installing or using the appliance.
Baxi UK Limited declare that no substances harmful to
health are contained in the appliance or used during
appliance manufacture.
1.1 Description
1. The Baxi Maxflow Combi WM is a fully automatic gas
fired wall mounted combination boiler incorporating a 54
litre unvented hot water storage cylinder. It is room sealed
and fan assisted.
2. The boiler is designed for use with a fully pumped,
sealed and pressurised system and provides central
heating and hot water at mains pressure. It incorporates a
pump, diverter valve, pressure relief valve, expansion
vessel and pressure gauge.
3. As supplied the boiler will automatically modulate to
provide a central heating output between 10.4kW and 28.0
kW. The maximum output to central heating can be
adjusted between 10.4 kW and 28.0 kW (see Section 9.2).
The maximum output available for domestic hot water is
28.0 kW.
4. The boiler has been approved to the Building
Regulations for unvented hot water storage systems and
the Local Authority must be informed of the intention to
install.
IMPORTANT: The installation of unvented hot water
storage systems and their components must only be
carried out by suitably qualified personnel.
Consideration should be given to Building Regulations
document G3.
5. The components supplied in the box marked ‘Unvented
Kit” MUST be fitted to the mains water supply in
accordance with the instructions included.
6. It is designed for use on Natural Gas (G20) and can be
converted to use Propane or Butane.
7. A label giving details of the model, serial number and
Gas Council number is situated on the rear of the facia
panel (Fig. 1).
8. The boiler data badge is positioned inside the left hand
outercase panel (Fig. 2).
9. The boiler is intended to be installed in residential /
commercial / light industrial E.M.C. environments on a
governed meter supply only.
10. The boiler must be installed with one of the purpose
designed flues such as the standard horizontal flue kit.
11. All systems must be thoroughly flushed and
treated with Inhibitor (see section 6.2).
“Benchmark” Log Book
As part of the industry-wide “Benchmark” initiative all Baxi
boilers now include an Installation, Commissioning and
Service Record Log Book. Please read the Log Book
carefully and complete all sections relevant to the appliance
and installation. These include sections on the type of
controls employed, flushing the system, burner operating
pressure etc. The details of the Log Book will be required in
the event of any warranty work. Also, there is a section to
be completed at each subsequent regular service visit.
1.2 Installation
1. The appliance is suitable for installation only in G.B.
and I.E. and should be installed in accordance with the
rules in force. For Ireland install in accordance with l.S.813
“Installation of Gas Appliances”. The installation must be
carried out by a CORGI Registered Installer or other
competent person and be in accordance with the relevant
requirements of current Gas Safety (Installation and Use)
Regulations, the Building Regulations (Scotland)
(Consolidation), the Local Building Regulations, the
Current I.E.E. Wiring Regulations and the bye laws of the
Local Water Undertaking. Where no specific instructions
are given, reference should be made to the relevant
BRITISH STANDARD CODES OF PRACTICE.
