Instructions for the installer
44
3.4 Installing the boiler
DANGER
Before connecting the boiler to CH and DHW networks, clean the pipes carefully.
Before commissioning a NEW system, clean it to remove any metal chips due to machining and welding, and any oil and
grease that might negatively affect boiler operation or even damage it in case they get inside it.
Before commissioning a RECONDITIONED system (where radiators have been added, the boiler has been replaced, etc.)
thoroughly clean it to remove any sludge and residues.
Clean the system using standard non acid products, available on the market.
Do not use solvents as they could damage system components.
Furthermore, in the central heating system (either new or reconditioned), it is always advisable to add to water a suitable
percentage of corrosion protectants for multi-metal systems that will create a protective film onto all internal surfaces.
The manufacturer shall not be held responsible in case of damage to people, animals, or property due to failure to follow
the above mentioned instructions.
WARNING
For all boiler installation types, it is necessary to install a filter which can be inspected (Y-shaped type) with Ø 0.4mm-
mesh, on the return pipe before the boiler.
In order to install the boiler proceed as follows:
•
Affix the template to the wall.
• Drill two Ø 12 mm holes in the wall to accommodate the boiler bracket wall blocks.
•
If necessary, provide holes in the wall to allow air intake and/or flue gas venting ducts to pass through it.
• Secure the supporting bracket to the wall using the blocks supplied with the boiler.
•
With reference to the lower part of the template, position the fittings for the connection of:
» gas supply pipe G;
» cold water supply pipe (KC/KR) or return from water heater (KRB) F;
»
DHW outlet (KC) or flow to water heater (KRB)
C;
»
CH flow
M;
» CH return R.
• Provide a condensate drain and an outlet for the 3-bar safety valve.
• Hook boiler to supporting bracket.
• Connect the boiler to mains pipes by means of the coupling kit supplied with the boiler (see Hydraulic connections on page
56
).
• Connect the boiler to pipe for condensate drain (refer to Hydraulic connections on page
56
).
•
Connect the boiler to the air intake and flue gas venting system (see
Air intake and flue gas venting system
on page
45
).
• Connect power supply, ambient thermostat (when available) and other available accessories (refer to the following paragraphs).
3.5 Boiler room ventilation
The boiler has sealed combustion chamber. Combustion air is not drawn from boiler room, therefore no specific recommendations
need to be applied concerning the boiler room or openings and ventilation provided to the boiler room.
DANGER
the boiler must be installed in a room that is compliant with the legislation and standards in force in the country of instal-
lation, which are herein considered as entirely transcribed.