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ECONCEPT 51/51i - 101/101i
3. Service and maintenance
All adjustment, conversion, commissioning and maintenance operations described below must only be carried out by Qual-
ified Personnel (meeting the professional technical requirements prescribed by current regulations) such as those of the
Local After-Sales Technical Service.
FERROLI declines any liability for damage and/or injury caused by unqualified and unauthorised persons tampering with
the unit.
3.1 Adjustments
Gas supply conversion
The unit can operate on Natural Gas or LPG and is factory-set for use with one of these two gases, as clearly shown
on the packing and on the dataplate. Whenever a different gas to that for which the unit is arranged has to be used, a
conversion kit will be required, proceeding as follows:
1. Using the special key supplied, open the cabinet of the upper exchanger body.
2. Loosen the gas valve fixing ring "A".
3. Undo the three fixing screws "B" and remove the gas valve "C".
4. Replace the gas valve "D" positioning it inside the seal "E", with that contained in the conversion kit. Refit the parts
and check the tightness.
5. Repeat steps 2, 3 and 4 for the lower exchanger body (model ECONCEPT 101/101ionly)
6. Apply the label, contained in the conversion kit, near the dataplate.
7. Using a combustion analyser connected to the boiler fume outlet, make sure the CO
boiler operating at max. and min. output, complies with that given in the technical data table for the corresponding
type of gas.
EN
fig. 40 - Gas conversion
cod. 3540N680 - 06/2008 (Rev. 00)
content in the fumes, with the
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