70
COMMISSIONING AND MAINTENANCE
3.9
Cleaning and maintenance
It is essential to clean the boiler and remove carbon deposits
from the surfaces of the heat exchanger in order to keep the
boiler efficient and economical.
9
All cleaning operations MUST be performed under the fol-
lowing conditions:
− boiler cold
− boiler switched OFF
− Suitable personal protection equipment
Perform the following operations before beginning any mainte-
nance or cleaning:
− set the main switch of the equipment to (0) and the main
switch of the system to (OFF);
− close the fuel shut-off valves outside the equipment.
3.9.1
"Service reminder" function
The thermal module is fitted with a function that reminds the
user of the need to carry out planned maintenance on the ap-
pliance after a number of hours defined in the maintenance
plan.
When this maintenance activity is required, the following text
appears on the normal display:
"Maintenance required!"
This text will remain active until the technical support service
resets the internal meter after maintaining the appliance.
The user can check at any time how many hours miss from the
next planned maintenance activity by accessing the "Informa-
tion” menu
“
Menu
”
“
Central Heating (CH)
”
“
Domestic Hot Water (DHW)
”
“
Information
”
“
Settings
”
and selecting "Maintenance" using the
▲
/
▼
arrows
“
Information
”
“
Service
”
The menu also shows the hours from the last maintenance ac-
tivity performed and access to a log that lists the dates of the last
15 maintenance activities.
“
Service
”
“
Service history
”
“
Burn hours since last service
”
“
Burn hours till service
”
“
Reset Service Reminder
”
The “Settings”
→
“Boiler set.”
→
”Maintenance” menu contains
the advanced controls for this function, which, in any case, are
only available if you access it with the manufacturer password.
If it is necessary to use this access level, contact the Technical
Assistance Service.
3.9.2
Annual cleaning
It is mandatory to perform maintenance and cleaning of the de-
vice at least once a year.
9
The non-performance of the annual maintenance will in-
validate the warranty.
This operation, carried out by Technical Assistance Service or by
professionally qualified personnel, is necessary to monitor and
ensure that the flue pipes inside and outside of the device, the
fan, the safety valves, the condensate removal devices, the wa-
ter drainage tubes and all the measurement and control devices
are in perfect working order.
Table of the compulsory maintenance activities (to be
performed every 2000 working hours or at least once a year)
Make the combustion test
Check the conditions of the inlet pipes (if present) and the
flue pipes by making sure that no leakage is present
Check the ignition electrode
Clean the combustion chamber and check the conditions of
the gaskets you have dismantled during such operation
Clean the condensate discharge pipe
Check the parameters settings
Check if there is any gas leakage
Check if there is any leakage on the hydraulic connections
Check the integrity of the cabling system and its related
connections
Make sure the ignition takes place regularly
Make sure that there is the flame after ignition
Check the safety devices down the equipment
Check the system pressure
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