Installation & Servicing instructions ATAG A-Series
6
3 Delivery package
The boiler is delivered ready for use. The delivery package is composed as follows:
• Boiler with cover;
• Automatic air vent (in boiler);
• Safety valve 3 bar
• Three way valve (in boiler, only Combi);
• Expansion vessel 8 Litre / 0,8 bar or 12 Litre / 1 bar (in boiler);
• Flow restrictor;
• Commissioning valves with drainpoint (CH 2x, 1x DHW cold)
• Gas isolating valve;
• Flue non return valve (pre-assembled in boiler)
• 230V switched live electrical cable;
• Suspension bracket;
• Fittings consisting of plugs and screws;
• Drawing template;
• Installation instruction;
• User manual;
• Warranty Card and Benchmark logbook.
The ATAG A is mainly equipped with 230V electrical components.
The following components are not present in the boiler as a standard and should be
included in the installation according to the requirements (supplied by third parties):
• Filling loop;
• Automatic by-pass;
• External controls.
4 Boiler description
The ATAG A is a room sealed, condensing and modulating CH boiler equipped with an
integrated hot water supply.
The boiler is equipped with a compact stainless steel heat exchanger with smooth pipes.
It is a well thought-out principle using sustainable materials.
The boiler burns (natural) gas to supply heat. This heat is transferred in the heat
exchanger to the water in the CH installation. The rapid cooling off of the ue gases causes
condensation. This results in a very high efciency. The condensate that is formed, has
no negative impact on the heat exchanger and it's operation, and is removed through
the internal siphon.
The boiler is equipped with an intelligent control system: CMS (Control Management
System). Each boiler anticipates the heat demand of the heating installation or hot water
demand. This will cause the boiler to tune its capacity to the installation. This means that
the boiler will function longer and at a low level.
If an outside sensor is connected, the control system is able to function, depending on the
weather. This means that the control system measures the outside temperature and the
supply water temperature. On the basis of this information the control system calculates
optimum supply water temperature required for the installation.
The boiler has been tested according to valid CE standards and has a CE certicate and
SEDBUK A-rating.
Statement: No banned materials including asbestos, mercury, CFC's have or will be
included in the product.
Room sealed boiler
The boiler retrieves its
combustion air from the
outside then discharges
the ue gasses to the
outside.
Condensing
Retrieves heat from the
ue gasses. Water con-
densates on the heat
exchanger.
Modulating
Higher or lower burning
according to the heat
demand.
Stainless Steel
Super solid kind of steel
which keeps its quality
for life. It will not rust
or erode in contrast to
composition materials,
like aluminium.
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