Introduction - Potterton Promax Ultra Combi 24 Installation And Service Manual

Information Label
Fig. 1
Gas Type Label
Fig. 2
© Baxi Heating UK Ltd 2016
Control Flap
Data Badge

1.0 Introduction

1.1 Description
1. The Potterton Promax Ultra Combi Range are fully
automatic gas fired wall mounted condensing combination
boilers. It is room sealed and fan assisted, and will serve central
heating and mains fed domestic hot water.
2. The boiler is set to give a maximum output of :-
24 models - 24 kW DHW
21.2 kW CH Pnc (Condensing)
28 models - 28 kW DHW
25.3 kW CH Pnc (Condensing)
33 models - 33 kW DHW
29.6 kW CH Pnc (Condensing)
40 models - 40 kW DHW
33.8 kW CH Pnc (Condensing)
3. The boiler is factory set for use on Natural Gas (G20). It can
be converted to operate on Propane (G31) - see Section
10.1.11 'Gas Type Check'.
4. The boiler is suitable for use only on fully pumped sealed
heating systems. Priority is given to domestic hot water.
5. The boiler data badge gives details of the model, serial
number and Gas Council number and is situated on the inner
door panel. It is visible when the case front panel is removed
(Fig. 2).
6. The boiler model, serial number and Gas Council number
are also shown on the information label behind the boiler
control flap (Fig. 1). This is for user reference.
7. The boiler is intended to be installed in residential /
commercial / light industrial E.M.C. environments on a
governed meter supply only.
8. The boiler must be installed with one of the purpose
designed flues such as one of the standard horizontal
telescopic flue kits detailed in the Flue Installation Guide .
9. All systems must be thoroughly cleansed, flushed and
treated with inhibitor (see section 6.2).
1.2 Optional Extras
Various timers, external controls, etc. are available as optional
extras. Full details are contained in the relevant sales literature.
1.3 Contents of Pack
The pack contains:-
• Boiler
• Wall Plate inc. Taps
• Template
• Fittings & Literature Pack
NOTE: These Installation & Servicing Instructions MUST be
read in conjunction with the Flue Installation Guide
supplied in the Literature Pack.
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