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Atag A203C Installation & Servicing Instructions

Atag A203C
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Installation & Servicing instructions ATAG A-Series
5
Ireland:
- Irish standard 813 - Domestic gas installations
The current Electricity at Work Regulation must be complied with and also be in
accordance with the relevant and current editions of the British Standards.
The ATAG A boiler is a certied appliance and must not be modied or installed in any
way contrary to this Installation Manual. Manufacturers instructions must not be taken,
in any way, as overriding statutory obligations.
The ATAG A is a central heating boiler with an optional integrated hot water function.
These boilers must be connected according to these instructions and all installation norms
in respect of the part of the boiler to be connected.
The device may be operated only by authorized persons who have been instruc-
ted on the operation and use of the device. Improper use may cause damage to
the device and / or to the connected installation.
The appliance is not to be used by children or persons with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless
they have been given supervision or instructions.
Children being supervised are not to play with the appliance.
Observe the following rules of safety:
- All work on the boiler must take place in a dry environment.
- ATAG boilers may never be in operation without their housing, except in connection
with maintenance or adjustments (see Chapter 13 and 14).
- Never allow electrical or electronic components to come into contact with water.
Carry out the following tasks in connection with maintenance, etc. to an already-installed
boiler:
- Shut down all programs
- Close the gas tap
- Remove the plug from the wall socket
- Close the stop cock of the boiler’s intake connection
Take note of the following when maintenance or adjustments are needed:
- The boiler must be able to function during these activities; for this reason, the boiler’s
supply voltage, gas pressure and water pressure must be maintained. Ensure that
there is not a source of potential danger during these activities.
Following maintenance or other activities; always check the installation of all parts
through which gas ows (using leak-search spray).
The following (safety) symbols may be encountered in these installation instructions and
on the boiler:
This symbol indicates that the boiler must be stored away from frost.
This symbol indicates that the packaging and/or contents can be damaged as a
result of insufcient care taken during transport.
This symbol indicates that, whilst still in its packaging, the boiler must be
protected from weather conditions during transport and storage.
KEY-symbol. This symbol indicates that assembly or dismantling, must be
carried out.
ATTENTION symbol. This symbol indicates that extra attention must be paid in
connection with a particular operation.
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Atag A203C Specifications

General IconGeneral
Type-
Fuel typeNatural gas
Boiler systemCombi boiler system
Product colorWhite
Heater locationIndoor
Placement supportedVertical
Boiler type (NL label)HR
HR inspection label class107
Maximum power20000 W
Minimum power4400 W
Water flow (60 °C)6 l/min
Domestic Hot Water (DHW) flow10.7 l/min
Weight and Dimensions IconWeight and Dimensions
Depth395 mm
Width500 mm
Height650 mm
Weight37000 g

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