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3.2.4. Installing the Boiler
Before connecting the boiler to the CH and DHW pipe systems, clean the pipes carefully and eliminate
any metal left during manufacturing and welding process, any oil or grease that may be left and that could damage
the boiler or alter its operation if it reaches the boiler.
Do not use solvents as they could damage components.
Exclusively employ original and manufacturer supplied, air intake/flue gas discharge systems in order to ensure correct
boiler operation
The manufacturer shall not be held responsible in case of damage to people, animals, or property due to failure
in following the above mentioned information.
In order to install the boiler, proceed as follows:
- affix the template to the wall;
-
check that 1 cm to the right and 1 cm to the left of the boiler is left for casing removal;
-
provide two 12 mm Ø holes in the wall for the boiler wall plugs, insert the wall plugs provided with the boiler and place in the screws;
-
when necessary provide holes in the wall to allow air intake and/or flue gas discharge pipes to pass through it;
-
Position the couplings for connection to the gas supply pipe (G), the cold domestic water supply pipe (F), the domestic cold water flow
pipe (C), and the central heating flow (M) and return pipes (R), as shown on the template (lower area);
-
Hook the boiler to the previously provided screws;
- Connect the boiler to the feed pipes;
-
Connect the boiler to the air intake and flue gas discharge system (refer to 3.2.5. and 3.2.6. paragraphs);
- Connect power supply and ambient thermostat (when available).
3.2.5. Boiler room ventilation
CTN
boiler model has an open combustion chamber and is designed for connection to a chimney: combustion air
is drawn directly from the room where the boiler is installed.
CTFS
boiler model has a sealed combustion chamber and does not withdraw combustion air from the room where the boiler is
installed, so specific recommendations do not need to be applied involving air intake ventilation openings, or concerning boiler room
requirements.
The Manufacturer shall not be held liable for damage resulting in incorrect installation, use, modification of the
equipment or non-observance of instructions provided by the manufacturer or applicable installation standards for
the product.
3.2.6. Air intake and flue gas discharge system
In terms of the flue discharge into the atmosphere, comply with applicable laws and prescriptions in the country
of installation.
The boiler is equipped with a safety device which is oversees flue gas exhaustion.
In case of malfunction of the air intake/flue gas discharge system, the device shuts down the equipment and no. 1
LED turns on (yellow).
It is strictly forbidden to tamper or de-activate the safety device.
Should the boiler repeatedly shut down, it is necessary to have the boiler air intake/flue gas discharge ducts checked,
they could be obstructed or incorrectly sized for flue gas exhaust into the atmosphere.
3.2.6.1. Natural draught boiler
Connecting to the chimney
The chimney is indispensable for correct boiler operation; it must therefore comply with the following requirements:
- it must be made of waterproof material and be resistant to flue gas temperature and related condensate;
- it must have appropriate mechanical characteristics and low thermal conductivity;
- it must be perfectly sealed;
- it must be as vertical as possible and the roof terminal is to have a removable cap for inspection and cleaning;
- the chimney diameter is not to be less wide than the boiler flue gas outlet diameter; squared or rectangular section chimneys must
bear an internal section, 10% larger than the section connected to the boiler anti-wind gust device;
- starting from the boiler, the duct connecting to the chimney is to follow a vertical direction and must be long not less than twice its
diameter before joining the chimney.
