MODENA S HE
21
EN
cod. 3541C364 - Rev. 00 - 12/2012
3.2 Start-up
B
Checks to be made at first lighting, and after all maintenance operations that involved disconnection from the
systems or an operation on safety devices or parts of the boiler:
Before lighting the boiler
•
Open any on-off valves between the boiler and the systems.
•
Check the tightness of the gas system, proceeding with caution and using a soap and water solution to detect any leaks
in connections.
•
Check correct prefilling of the expansion tank (ref. section "4.4 Technical data table" pag. 30).
•
Fill the water system and make sure all air contained in the boiler and the system has been vented, by opening the air vent
valve on the boiler and any vent valves on the system.
•
Fill the condensate trap and check correct connection of the condensate
discharge
system.
•
Make sure there are no water leaks in the system, DHW circuits, connections or boiler.
•
Check correct connection of the electrical system and efficiency of the earthing system
•
Make sure there are no flammable liquids or materials in the immediate vicinity of the boiler.
Checks during operation
•
Turn the unit on as described in section "1.3 Turning ON and OFF" pag. 5.
•
Make sure the fuel circuit and water systems are tight.
•
Check the efficiency of the flue exhaust and air ducts while the boiler is working.
•
Check the correct tightness and functionality of the condensate
discharge
system and trap.
•
Make sure the water is circulating properly between the boiler and the systems.
•
Check proper boiler lighting by doing several tests, turning it on and off with the room thermostat or remote control.
•
Using a combustion analyser connected to the boiler fume outlet, check that the CO
2
content in the fumes, with the boiler
operating at max. and min. output, corresponds to that given in the technical data table for the corresponding type of gas.
(Because the combustion for this appliance has been checked, adjusted and preset at the factory, it is only necessary to
undertake a further combustion check if there are operating performance difficulties or the boiler has been converted or if
essential components have been replaced).
•
Make sure the gas rate indicated on the meter matches that given in the technical data table on section "4.4 Technical data
table" pag. 30.
•
Check the correct programming of the parameters and carry out any necessary customization (compensation curve, pow-
er, temperatures, etc.).
(As the parameters for each boiler are factory set, there is no requirement to recheck
parameters
at the time of commis-
sioning unless a gas conversion has been undertaken.)
3.3 Commisioning instructions
General
PLEASE NOTE:
The combustion for this appliance has been checked, adjusted and preset at the factory for operation on the
gas type defined on the appliance data plate.
Having checked:
•
That the boiler has been installed in accordance with these instructions,
•
The integrity of the flue system and the flue seals.
•
The integrity of the boiler combustion circuit and the relevant seals.
Test mode
Proceed to put the boiler into operation as follows:
1. To operate the boiler in test mode, press the CH keys
together for 5 seconds (see
fig. 26
)
2. The boiler lights at
the ignition percentage rate
(40% dependant on model)
fig. 26 - Test Mode
3. The heating power will be displayed 80% on the LCD
display.
4. The flame symbol will be displayed once the boiler
has lit.
5. Use the
CH keys
(part. 3 and 4
fig. 1
) to give the re-
quired output.
6. To exit the test mode, press the
CH keys
(part. 3 and
4
fig. 1
) together for 5 seconds, or leave the boiler to
automatically switch off after 15 minutes or stopping
DHW drawing.
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