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17.- BOILER MAINTENANCE
To maintain the boiler in perfect working order, a yearly overhaul should be performed by
TRIANCO’s authorised personnel.
17.1.- Cleaning the boiler
To keep the boiler in perfect working order, we recommend cleaning the boiler chamber,
exhaustion ducts and condenser on a yearly basis. A cleaning brush of a suitable size for
cleaning the inside of the exhaustion ducts is supplied with the boiler for this purpose. This
brush is located at the rear of the boiler, beside the condenser.
The combustion chamber and exhaustion ducts should not be cleaned using chemical
products or hard steel brushes. After any cleaning operation has been carried out, it is
important to run several ignition cycles to check all the elements are functioning correctly.
For correct cleaning, the following recommendations should be carefully observed:
Cleaning the boiler body
- Open and remove the outer door of the boiler.
- Remove the burner (10) by unscrewing the fixing nut on the top of the burner.
- Remove the combustion chamber door and the exhaustion duct cover, unscrewing the
six fixing nuts beside them.
- Clean the exhaustion ducts on the cast iron body, using the cleaning brush supplied with
the boiler.
- Clean the boiler combustion chamber. We recommend using a soft brush for scraping
the combustion chamber surfaces, and a blower to remove scale.
- After cleaning, replace the combustion chamber door, the exhaustion duct cover, the
burner and the outer door of the boiler.
Cleaning the condenser
- Open and remove the top cover of the boiler to access the condenser on the rear of the
boiler body.
- Open the upper cover of the condenser, to access to the flue gases pipes of it. To open
this cover, first open the fixing clamp and extract it.
- Remove the fume deflectors (6) inside the fume outlets.
- Clean the exhaustion ducts using the cleaning brush supplied with the boiler. Scale could
fall out of the lower condenser cover and come out of the condensation drain, and it is
therefore recommendable to pour water into the top of the condenser, for more
effective cleaning. This water will be automatically discharged through the
condensation drain.
- To clean the outer part of the condenser cylinder, remove the three screws (3) and then
remove the metal ring (4). Take out the seal (5) and use the brush to clean it. Then put
the components back in place again and replace and tighten the three screws and the
metal ring.
- If the lower condenser cover (9) needs cleaning, remove the side cover of the boiler to
access it. Firstly remove the bracket (8) holding it in place and pull on it to open it. Then
pull the lower cover down to open and clean it.
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