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Instructions for opening the casing and performing
an internal inspection
Before performing any work on the appliance, first
disconnect it from the electrical power supply using the
external bipolar switch and shut off the gas valve.
To access the inside of the appliance, the following is
necessary:
- loosen the 4 screws on the lower part of the casing,
- pull it forward and remove it.
Maintenance is an essential part of the safe and efficient
operation of the appliance and ensures its durability. It
should be performed according to the instructions given in
current legislation. Perform combustion analysis regularly
in order to check the operating efficiency of the appliance
and to make sure any polluting substances relased are
within the boudaries set by current legislation.
Before beginning maintenance work:
-
Disconnect the appliance from the electricity supply
by turning the external bipolar switch to the "OFF"
position;
-
Close the gas valve and the central heating and
domestic hot water system valve.
After the work has been completed the initial settings will
be restored.
General comments
It is recommended that the following inspections be
carried out on the appliance at least once a year:
1. Check the seals in the water part and, if necessary,
replace the gaskets and restore the seal to perfect
working order.
2. Check the seals in the gas part and, if necessary,
replace the gaskets and restore the seal to perfect
working order.
3. Visually check the overall condition of the appliance.
4. Visually check the combustion and, if necessary,
disassemble and clean the burner.
5. Following the inspection detailed in point "3",
disassemble and clean the combustion chamber, if
necessary.
6. Following the inspection detailed in point "4",
disassemble and clean the burner and injector, if
necessary.
7. Cleaning the primary heat exchanger
8. Make sure the following safety devices are operating
correctly:
- temperature limit safety device.
9. Make sure that the following gas part safety devices
are operating correctly:
- absence of gas or flame safety device (ionisation).
10. Check the efficiency of the domestic hot water
production
process
temperature).
11. Cleaning the filter in cold water inlet.
WARNING! THE APPLIANCE MUST NOT
BE PUT IN FUNCTION WITHOUT FILTER.
12. Perform a general inspection of the aplliance
operation.
13. Remove oxide from the detection electrode using an
emery cloth.
Operational test
After having carried out the maintenance operations, fill
the appliance and the water circuit.
- Begin operating the boiler.
- Check the settings and make sure all the command,
adjustment and monitoring parts are working correctly.
- Check the seal and that the system for the expulsion of
fumes/suction of comburent air is operating correctly.
MAINTENANCE
(test
the
flow
rate
and
/
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