Commisioning Instructions - Ferroli MODENA 27 C HE Instructions For Use, Installation And Maintenance

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. 28)
2. The boiler lights at
3. The heating power will be displayed 100% - denoted by
flashing '1' then '00' continuously on the LCD display.
4. The flame symbol will be displayed once the boiler has lit.
5. N.B. The ECO symbol will only be displayed if boiler is in
the ECO mode.
Check the operational (working) gas inlet pressure
Set up the boiler to operate at maximum rate as de-
scribed in section Test mode of section 3.3.
With the boiler operating at maximum rate check that
the operational (working) gas pressure at the inlet gas
pressure test point (see fig. 29) complies with the re-
quirements of section 4.4.
Ensure that this inlet pressure can be obtained with all
other gas appliances in the property working.
Measure the gas rate
Measure the gas rate and check against following table:
22
the ignition percentage rate
fig. 28 - Test Mode
cod. 3541D054 - Rev. 00 - 11/2013
(40% dependant on model)
6. Use the CH keys (part. 3 and 4 fig. 1) to give the re-
quired output.
7. To exit the test mode, press the CH keys (part. 3 and 4
fig. 1) together for 5 seconds, or leave the boiler to au-
tomatically switch off after 15 minutes or stopping DHW
draw off.
Inlet test point
GAS RATES (NATURAL GAS)
AFTER 10 MINUTES FROM COLD
BOILER MODEL
MODENA 27 C HE
MODENA 32 C HE
MODENA C HE
fig. 29
Maximum rate Minimum rate
3 3 3
m /h ft /h m /h
2.86 101.15 0.61
3.38 119.55 0.71
3
ft /h
21.57
25.11
EN