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1. INSTRUCTIONS PRIOR TO INSTALLATION
This boiler has been designed to heat water to a temperature lower than boiling point at atmospheric pressure. It must be connected to
a central heating system and to a domestic hot water supply system according to its performance and power output.
Before having the boiler installed by a qualified service engineer, make sure the following operations are performed:
a) Make sure that the boiler is adjusted to use the type of gas delivered by the gas supply. To do this, check the markings on the packaging
and the rating plate on the appliance.
b) Make sure that the flue terminal draft is appropriate, that the terminal is not obstructed and that no exhaust gases from other appliances
are expelled through the same flue duct, unless the latter has been specially designed to collect exhaust gas from more than one
appliance, in compliance with current laws and regulations.
c) Make sure that, if the boiler is connected to existing flue ducts, these have been thoroughly cleaned as residual products of combustion
may detach from the walls during operation and obstruct the flow of fumes.
d) To ensure correct operation and maintain the warranty, observe the following precautions:
1. DHW circuit:
1.1. If the water is harder than 20 °F (1 °F = 10 mg calcium carbonate per litre of water), install a polyphosphate dispenser or an
equivalent treatment system, compliant with current regulations.
1.2. Thoroughly flush the system after installation of the appliance and before use.
2. Heating circuit
2.1. new system
Before proceeding with installation of the boiler, the system must be cleaned and flushed to eliminate residual thread-cutting
swarf, solder and any solvents, using suitable proprietary products. To avoid damaging metal, plastic and rubber parts, only use
neutral cleaners, i.e. non-acid and non alkaline. Recommended cleaning products are: SENTINEL X300 or X400 and FERNOX
Regenerator for heating circuits. Use these products in strict compliance with the manufacturers' instructions.
2.2. existing plant:
Before installing the boiler, drain the system and clean it to remove sludge and contaminants, using suitable proprietary products
as described in section 2.1. To avoid damaging metal, plastic and rubber parts, use only neutral cleaners, i.e. non-acid and non-
alkaline such as SENTINEL X100 and FERNOX Protector for heating circuits. Use these products in strict compliance with the
manufacturers' instructions. Remember that the presence of foreign bodies in the heating system can adversely affect boiler
operation (e.g. overheating and excessive noise of the heat exchanger).
Failure to observe the above will render the guarantee null and void.
2. INSTRUCTIONS PRIOR TO COMMISSIONING
Initial lighting of the boiler must be carried out by an authorised Service Engineer who must first ensure that:
a) the rated data correspond to the supply (electricity, water and gas) data;
b) the installation complies with current laws and regulations;
c) the appliance is correctly connected to the power supply and earthed.
The names of the authorised Service Centres are indicated in the attached sheet.
Failure to observe the above will render the guarantee null and void.
Prior to commissioning, remove the protective plastic coating from the boiler. Do not use any tools or abrasive detergents to do this as
you may damage the painted surfaces.
The instructions shall state the substance of the following:
This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack
of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person
responsible for their safety.
Children should be supervised to ensure that they do not play with the appliance.
INSTRUCTIONS FOR USERS
3
C607215 - GB
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